Carrier 45 Series Dimensions and installation guide

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53450004-01 Printed in U.S.A. Form 45-6SI Pg 1 12-22 Replaces: 45-5SI
Installation, Start-Up and
Service Instructions
CONTENTS
Page
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . 1
PRE-INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . 2
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
• CONTROL OFFERINGS
• STORAGE AND HANDLING
• INITIAL INSPECTION
Unit Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
• INSTALLATION PRECAUTION
• SERVICE ACCESS
• CODES
• UNIT SUSPENSION
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
• CONTROL OPTIONS
VAV CCN Controls and OPEN VAV Controls . . . . . . 4
VVT CCN Controls and OPEN VVT Controls . . . . . . 4
Analog Electronic Controls . . . . . . . . . . . . . . . . . . . . 4
Pneumatic Controls . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Direct Digital Controls (By Others) . . . . . . . . . . . . . . 4
No Control Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Step 1 — Install Fan-Powered Box . . . . . . . . . . . . . . 4
• SELECT LOCATION
• POSITION UNIT
• INSTALL UNIT
Step 2 — Make Duct Connections . . . . . . . . . . . . . . . 5
Step 3 — Connect Power Wiring . . . . . . . . . . . . . . . . 5
Step 4 — Set Up System and Calibrate . . . . . . . . . . . 7
• GENERAL
• SET POINTS
• SYSTEM CALIBRATION OF THE INLET AIRFLOW
SENSOR
START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Initial Start-Up Procedures . . . . . . . . . . . . . . . . . . . . . 8
Balancing Carrier Fan Terminals . . . . . . . . . . . . . . . . 9
• 45J,K,Q SERIES FLOW UNITS
• BALANCING 45M,N,R PARALLEL FLOW UNITS
Speed Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Setting Fan Air Flow with ECM Motors . . . . . . . . . . 17
• VCU (CONTROL OPTION 6)
• ACU-O, 0-10VDC (0-20MA) INPUT 
(CONTROL OPTION 7)
• ACU-P, 2-10VDC (4-20MA) INPUT (CONTROL
OPTION 8)
General — Single Function Pneumatic Controller
Control Sequences (1300-1305, 1400-1401) . . . . 33
Units with Single-Function Controllers . . . . . . . . . .33
Units with Multi-Function Controllers (Sequences
1306-1317 and 1402-1405) . . . . . . . . . . . . . . . . . . .34
Operation Sequences . . . . . . . . . . . . . . . . . . . . . . . .34
Analog Controls Installation and Balancing
Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Thermostat Installation . . . . . . . . . . . . . . . . . . . . . . .35
Programming Thermostat . . . . . . . . . . . . . . . . . . . . .36
Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Fan Motor and Wheel . . . . . . . . . . . . . . . . . . . . . . . . .37
• TO CHECK WIRING
• TROUBLESHOOTING
Fan Motor Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Fan Motor Maintenance . . . . . . . . . . . . . . . . . . . . . . .37
SAFETY CONSIDERATIONS
See Fig. 1for the Proposition 65 warning label.
Fig. 1 — Proposition 65 Warning Label
IMPORTANT: Air-handling equipment will provide safe
and reliable service when operated within design specifica-
tions. The equipment should be operated and serviced only
by authorized personnel who have a thorough knowledge of
system operation, safety devices, and emergency proce-
dures. Good judgment should be used in applying any man-
ufacturer’s instructions to avoid injury to personnel or
damage to equipment and property.
WARNING
Disconnect all power to the unit before performing mainte-
nance or service. Unit may automatically start if power is not
disconnected. Electrical shock and personal injury could result.
WARNING
If it is necessary to remove and dispose of mercury contactors
in electric heat section, follow all local, state, and federal
laws regarding disposal of equipment containing hazardous
materials.
!WARNING: Cancer - www.P65Warnings.ca.gov
45J,K,M,N,Q,R
Fan Powered
Variable Air Volume Terminals

2
PRE-INSTALLATION
General
The 45J,K,Q constant volume (series) and 45M,N,R variable vol-
ume (parallel) fan powered boxes (see Fig. 2and 3) can be
equipped to provide pressure independent, variable volume
(VAV). All units can also be equipped with factory-installed ana-
log electronic, pneumatic, or variable air volume (VAV) controls.
Units are available with factory-installed electric or hot water heat.
Fig. 2 — Parallel Flow Unit (45M Shown)
Fig. 3 — Series Fan Unit (45Q DOAS Shown)
The 45J/M units are standard fan powered terminal units. The
45K/N units are quiet fan powered terminal units. The 45Q/R
units are low profile fan powered terminal units.
CONTROL OFFERINGS
Each 45J, 45K, 45M, 45N, 45Q, 45R unit is supplied with a four
quadrant multi-point center averaging airflow sensor that provides
an amplified differential pressure that is proportional to the unit
airflow. The output from this probe is used to provide a flow signal
to both pneumatic and electronic controls.
Control options include VAV, VVT, analog electronic, and pres-
sure-independent pneumatic.
Pneumatic controls are available with linear actuators and single-
function or multi-function controller. The multi-function control-
ler provides a simple switchover from normally open to normally
closed applications.
Electronic control units feature a factory-installed enclosure that
provides easy access for field connections.
STORAGE AND HANDLING
Inspect for damage upon receipt. Shipping damage claims should
be filed with shipper at time of delivery. Store in a clean, dry, and
covered location. Do not stack units. When unpacking units, care
should be taken that the inlet collars and externally mounted com-
ponents do not become damaged. Do not lift units using collars,
sensors, or externally mounted components as handles. If a unit is
supplied with electric or hot water heat, care should be taken to
prevent damage to these devices. Do not lay uncrated units on end
or sides. Do not stack uncrated units over 6 ft high. Handle with
care. Do not handle control boxes by tubing connections or other
external attachments. Tables 1-7 shows component weights.
INITIAL INSPECTION
Once items have been removed from packing, check carefully for
damage to duct connections, coils, or controls. File damage claim
immediately with transportation agency and notify Carrier.
NOTE: Remove all packaging material and foreign material from
unit and ensure the blower wheel moves freely before installation.
Units are shipped with a cardboard ring in one side of the fan inlet
that MUST be removed. This ring is accessible from the unit’s
plenum.
Unit Identification
Each unit has 2 main labels attached to the casing. The fan unit la-
bel (Fig. 4) lists the model number, supply voltage requirements,
motor horsepower and overcurrent protection requirements. The
airflow label (Fig. 5) lists the model number, unit size, factory or-
der number and location. The location “tag” indicates where the
unit is intended for installation. There may be other labels attached
to the unit, as options or codes may require. Read all labels on a
typical unit before attempting installation. Control boxes are as-
sembled as indicated on the identification label.
Contact your local Carrier representative for more information.
Fig. 4 — Fan Unit Label
Fig. 5 — Airflow Label
MODEL NO
MOTOR
45N 5 —12
VOLT
HP
VOLT
KW
PHASE
PHASE
FLA(EA)
AMPS
HZHZ
HZ
CODE
HEAT
TAG:
MOTOR(S) ARE THERMALLY PROTECTED
MIN. SUPPLY CIRCUIT AMPS
MAX. FUSE OR HACR CIRCUIT BREAKERS
MAX. OUTLET AIR TEMPERATURE 200 F
UNIT DESIGNED TO OPERATE AT NO LESS THAN 0.2 IWG STATIC PRESSURE.
ZERO CLEARANCE FROM UNIT, CONNECTED DUCT AND/OR PLENUM
TO COMBUSTIBLE MATERIAL.
REPLACEMENT LINE FUSE
REV:
277
1/2
480
12.0
FPB—313
21.920
25.000
AMPS
1
3
60
014
3.110
60
14.43
25 AMP 600V
10 579600 C
FAN UNIT
ORDER:
MODEL:
LINE VLT:
STEP:
MIN CIR AMP:
MAX. FUSE OR HACR CIRCUIT BREAKERS
MIN WIRE SIZE (COPPER CONDUCTORS ONLY):
ITEM: REV: SN:
DUCT SIZE: MIN FPM:
PH: HZ: KW: AMP:
CTL VOLT: CTL VA:
INTERNAL FUSE
AMP
(SUITABLE FOR AT LEAST 75 DEGREES CENT.)
TAG:
599049 010 C – 599049
– 10
45J 12 X 10 0375
480 03 60 2.50 3.00
01 24 50
5.60 15 AMP 600V
15.00
12AWG
VAV – 05 – 01
DUCT HEATER
AIR
FLOW
UP

3
INSTALLATION PRECAUTION
Check that construction debris does not enter unit or ductwork. Do
not operate the central-station air-handling fan without final or
construction filters in place. Accumulated dust and construction
debris distributed through the ductwork can adversely affect unit
operation.
SERVICE ACCESS
Provide service clearance for unit access (see Installation section
on page 4for details).
CODES
Install units in compliance with all applicable code requirements.
UNIT SUSPENSION
See Installation section on page 4for unit suspension details.
Warranty
All Carrier-furnished items carry the standard Carrier warranty.
Table 1 — 45J Unit Weights
45J SIZE UNIT ONLY (lb) WITH PNEUMATIC
CONTROLS (lb)
WITH DDC OR
ANALOG
CONTROLS (lb)
WITH
ELECTRIC
HEAT (lb)
WITH HOT WATER (lb)
1-Row 2-Row
270 +4 +9 +30 +19 +21
370 +4 +9 +30 +20 +22
485 +4 +9 +32 +22 +25
585 +4 +9 +32 +24 +28
6100 +4 +9 +35 +25 +30
7175 +4 +9 +40 +35 +43
Table 2 — 45M Unit Weights
SIZE UNIT ONLY (lb) WITH PNEUMATIC
CONTROLS (lb)
WITH DDC OR
ANALOG
CONTROLS (lb)
WITH
ELECTRIC
HEAT (lb)
WITH HOT WATER (lb)
1-Row 2-Row
2114 +4 +9 +30 +19 +21
3114 +4 +9 +30 +20 +22
4115 +4 +9 +32 +22 +25
5122 +4 +9 +32 +24 +28
6123 +4 +9 +35 +25 +30
7127 +4 +9 +40 +35 +43
Table 3 — 45K Unit Weights
45K
SIZE UNIT ONLY (lb)
WITH
PNEUMATIC
CONTROLS (lb)
WITH DDC OR
ANALOG
CONTROLS (lb)
WITH
ELECTRIC
HEAT (lb)
WITH HOT WATER (lb)
1-Row 2-Row
2185 +4 +9 +30 +9 +12
3200 +4 +9 +30 +9 +12
4200 +4 +9 +32 +9 +12
5225 +4 +9 +32 +12 +17
6250 +4 +9 +35 +12 +17
7260 +4 +9 +40 +12 +17
Table 4 — 45N Unit Weights
45N
SIZE UNIT ONLY (lb)
WITH
PNEUMATIC
CONTROLS (lb)
WITH DDC OR
ANALOG
CONTROLS (lb)
WITH
ELECTRIC
HEAT (lb)
WITH HOT WATER (lb)
1-Row 2-Row
2185 +4 +9 +30 +9 +12
3200 +4 +9 +30 +9 +12
4200 +4 +9 +32 +9 +12
5225 +4 +9 +32 +12 +17
6250 +4 +9 +35 +12 +17
7260 +4 +9 +40 +12 +17
Table 5 — 45Q Unit Weights
45Q SIZE UNIT ONLY (lb) WITH PNEUMATIC
CONTROLS (lb)
WITH DDC OR
ANALOG
CONTROLS (lb)
WITH
ELECTRIC
HEAT (lb)
WITH HOT WATER (lb)
1-Row 2-Row
390 +4 +9 +30 +10 +12
4110 +4 +9 +35 +12 +14
5120 +4 +9 +35 +12 +14

4
LEGEND FOR TABLES 1-7
CONTROL OPTIONS
The units are offered with a wide variety of factory-mounted con-
trols that regulate the volume of air delivery from the unit and re-
spond to cooling and heating load requirements of the conditioned
space. All control packages can operate stand-alone and will fulfill
the thermal requirements of a given control space. These devices
are available in both pneumatic and electronic arrangements. The
3V™and ComfortID™control types are communicating controls
which can be integrated into a CCN building system. A number of
DDC (direct digital control) control packages by others are avail-
able for consignment mounting as indicated.
Control offerings are:
A: Analog Electronic
C: VAV
P: Pneumatic
V: VVT®(45M,N,R units only)
N: None or DDC by others
Each control approach offers a variety of operating functions; a
control package number identifies combinations of control func-
tions. Because of the variety of functions available, circuit dia-
grams, operating sequences, and function descriptions are con-
tained in separate Application Data publications. Refer to the spe-
cific control publication for details.
VAV CCN Controls and OPEN VAV Controls
Pressure independent control packages are available with or with-
out heat. These controls provide occupied and unoccupied heating
and cooling, demand controlled ventilation (DCV), and zone hu-
midity control. They can be networked together via either
BACnet™1or Carrier Comfort Network®(CCN) protocols to pro-
vide integrated system operation of all components, including the
operation of air source equipment. These controls may be used in
a stand-alone terminal, or as part of the Carrier DDC control sys-
tem. All control arrangements include a standard inlet flow sensor,
control enclosure, SCR (silicone control rectifier) fan speed con-
troller, class II 24-volt power transformer, and fan contactor. Sev-
eral types of room sensors may be ordered, with and without set
point adjustment, and with integral CO2sensors.
VVT CCN Controls and OPEN VVT Controls
Pressure dependent control packages are available with or without
hot water, electric heat, or SSR (solid-state relay) electric heat.
They are designed to be an integral part of the Carrier Comfort
Network (CCN) or Carrier i-Vu®Open Digital Control Systems,
for parallel flow units only. All control arrangements include a
standard inlet flow sensor, control enclosure, SCR fan speed con-
troller, 24-volt transformer and fan relay.
Analog Electronic Controls
Pressure independent control packages are available with or with-
out hot water or electric heat, automatic or remote night shutdown,
and automatic night setback. All control arrangements include a
standard inlet flow sensor, control enclosure, SCR fan speed con-
troller, 24-volt transformer, fan relay, and wall thermostat to match
the control type.
Pneumatic Controls
Pressure independent control packages are available with or with-
out hot water or electric heat, night shutdown and/or unoccupied
heating. All control arrangements include a standard inlet flow
sensor and SCR fan speed controller.
Single function controller: Provides single function, i.e., DA-NO.
Multi-function controller: Capable of providing DA-NO, DA-NC,
RA-NC or RA-NO functions.
Direct Digital Controls (By Others)
Control sequences are available for factory installation of numer-
ous field-supplied controls from various manufacturers. All pack-
ages include a standard inlet flow sensor, control enclosure, SCR
fan speed controller, 24-v transformer, and fan relay.
Contact Carrier for information on mounting field-supplied
controls.
No Control Units
Control sequences are also available to provide a control box on
units supplied with no factory-installed controls. These arrange-
ments include a standard inlet flow sensor, control enclosure, SCR
fan speed control, 24-v transformer, and fan relay.
INSTALLATION
Step 1 — Install Fan-Powered Box
SELECT LOCATION
1. Units should be installed so that they do not come in con-
tact with obstacles such as rigid conduit, sprinkler piping,
Greenfield flexible metal covering, or rigid pneumatic tub-
ing; such contact can transmit vibration to the building
structure, causing objectionable low frequency noise.
2. Units should never be installed tight against concrete slabs
or columns, as vibration transmission is amplified in this
condition.
Table 6 — 45Q Dedicated Outdoor-Air System Unit Weights
45Q DOAS
BOX SIZE
UNIT WITH COOLING
COILS (lb) WITH DDC OR
ANALOG
CONTROLS (lb)
WITH ELECTRIC HEAT
(lb)
WITH HOT WATER (lb)
2-Row 4-Row 6-Row 1-Row 2-Row
3115 125 135 +9 +30 +10 +12
5150 160 170 +9 +35 +12 +14
Table 7 — 45R Unit Weights
45R
SIZE
UNIT ONLY
(lb)
WITH
PNEUMATIC
CONTROLS
(lb)
WITH DDC OR
ANALOG
CONTROLS (lb)
WITH ELECTRIC
HEAT (lb)
WITH HOT WATER (lb)
1-Row 2-Row
291 +4 +9 +25 +9 +12
4106 +4 +9 +25 +9 +12
DDC —Direct Digital Controls
DOAS —Dedicated Outdoor-Air System
1. Third-party trademarks and logos are the property of their respective
owners.

5
3. Fan powered terminals require sufficient clearance for ser-
vicing the blower/motor assembly from the bottom of the
unit, low voltage controls from the side and line voltage
motor controls or electric heat (if equipped) from the rear
(discharge end) of the unit.
Bottom access panel removal requires a minimum of 3 in.
minimum clearance, plus substantial horizontal clearance to
slide the access panel out of the way for service. Actual hori-
zontal dimensions will vary due to varying access panels for
different sized units. See your particular unit’s submittal
drawings for more detail.
NOTE: Be certain appropriate accommodations for panel
removal of most unit casings are large enough to allow ade-
quate internal service room once the panels are removed.
A clearance of 18 in. is recommended for control enclosure
access. Unit control enclosure will vary depending on which
control package is used. Control enclosure location is speci-
fied on unit submittals. Low voltage enclosure covers are
removable, not hinged.
A clearance of 36 in. is recommended for line voltage motor
controls and electric heat control access. High-voltage motor
controls or electric heat control access is supplied with hinged
access doors for units with fused disconnect. Specific loca-
tion is indicated on the unit submittal.
NOTE: These recommendations do not supersede NEC
(National Electrical Code) or local codes that may be applica-
ble, which are the responsibility of the installing contractor.
4. Whenever possible, fan-powered boxes should be installed
over halls or passageways (rather than over occupied
spaces) in order to limit the sound reaching occupants.
POSITION UNIT
1. When moving boxes, use appropriate material handling
equipment and avoid contact with shaft extensions, con-
trols, wiring, piping, heaters, and control boxes.
2. Raise unit to position using safe mechanical equipment
and support until hanging means are attached and box is
level.
INSTALL UNIT
1. Install field-supplied eye bolts, strap hangers or bolt rod
supports. Figure 6illustrates possible unit suspension
methods. A typical installation is shown in Fig. 7.
2. Care should be taken to use hanging materials of sufficient
stiffness and strength, rigidly attached to the unit. Straps
should not be located on coil flanges, electric heat sec-
tions, or control boxes. When using trapeze supports,
avoid areas where access is required to side mounted con-
trols, or side or bottom access doors. For best installation
with trapeze supports, provide elastomeric material
between unit and supports.
3. Hangers should be securely attached to bar joist or mount-
ing anchors properly secured to building structure with
lugs or poured-in-place hangers. Percussion nails are not
considered adequate anchors.
Step 2 — Make Duct Connections
1. Install supply ductwork on each of the unit inlet collars. It
is recommended that 3 duct diameters of straight duct are
supplied to the inlet of the unit. An elbow put at the inlet
of the unit will create turbulence at the inlet making it dif-
ficult for the flow sensor to accurately measure the air-
flow. Check that the pressure pick-up in primary air collar
is located properly and that air supply duct connections are
airtight. Install supply ductwork on unit inlet collar, fol-
lowing all accepted medium-pressure duct installation pro-
cedures. Seal joints against leakage.
NOTE: For maximum efficiency in controlling radiated noise in
critical applications, inlet ducts should be fabricated of 24-gage
minimum sheet metal in place of flex connections. Flex duct is ex-
tremely transparent to radiated sound; consequently high inlet stat-
ics (Ps) or sharp bends with excessive pressure drop can cause a
radiated noise problem in the space. If flex duct is used, it should
be limited to the connection between the distribution duct and the
boot diffuser.
2. Install the discharge duct. On units with electric heat, the
recommended minimum distance of straight duct before
any transitions, elbows or branch connections is 48 inches.
It is strongly recommended that lined discharge duct be
used downstream of the unit. Insulate duct as required.
3. Fan boxes should not be attached to octopus sections
immediately downstream of the unit.
4. Install optional return-air filters before operating the unit.
5. Where construction filters were supplied with the box,
leave filters in place until installation is complete and
building is cleaned for occupancy.
Step 3 — Connect Power Wiring
1. All power wiring must comply with local codes and with
the NEC (National Electrical Code) ANSI/NFPA (Ameri-
can National Standards Institute/National Fire Protection
Association) 70-2020. Disconnect switches are optional
equipment. Electrical, control and piping diagrams are
shown on the exterior labeling or on a diagram inside the
control and high-voltage enclosure covers, unless other-
wise specified in the order write-up. All units are wired for
a single point electrical connection to the fan and electric
heater (if equipped). Electric heaters provided by Carrier
are balanced by kW per stage. The installing electrician
should rotate incoming electric service by phase to help
balance overall building load.
2. All field wiring must be provided with a safety disconnect
per NEC 424-19, 20, and 21.
3. Disconnect all incoming power before wiring or servicing
unit. All disconnect switches on the terminal (if equipped)
should be in the OFF position while making power con-
nections.
4. Units with electric heat should use copper wires rated at
least 125% of rating plate amperage. Refer to the unit’s
rating label and minimum supply circuit amps.
5. Refer to wiring diagram and instructions attached to the
unit. Refer to Fig. 8for typical power connections for fan
powered units with 3-stage electric heat. The 480-v, 3-
phase units require a Wye power source with a fourth
(neutral) wire in addition to the full sized ground wire. All
units must be grounded as required by NEC 424-14 and
250.

6
Fig. 6 — Typical Unit Suspension Methods (45K Shown)
Fig. 7 — Typical Perimeter Installation — Constant Volume Fan-Powered Box
FIELD-SUPPLIED
HANGER
BRACKET
OPTIONAL
ACCESSORY
HANGER
FIELD-SUPPLIED
HANGING STRAPS
DO NOT suspend unit
by trapeze hangers
that interfere with the
unit access panel.

7
Fig. 8 — Typical Power Connections for Fan Powered Units with 3-Stage Electric Heat
Step 4 — Set Up System and Calibrate
GENERAL
The parallel fan powered terminals (45M, 45N, and 45R) are de-
signed to provide varying quantities of cold primary air to a space
in response to a thermostat demand for cooling. For a heating de-
mand, the fan will operate to supply ceiling plenum air to the
space. For units equipped with a heating coil, the heater will oper-
ate as required to meet a heating demand.
The series fan powered terminals (45J, 45K, and 45Q) are de-
signed to provide a constant airflow to the space. The air supplied
to the space is a mixture of primary air and ceiling plenum air. The
fan speed is adjusted to provide the required airflow to the space.
In response to a cooling demand from a thermostat, the damper
will increase the amount of cold primary air while reducing the
amount of ceiling plenum air to decrease the temperature of the air
being delivered to the space.
Most terminal control packages provide pressure compensation to
allow pressure independent operation of the primary air damper,
regardless of changes to the available static pressure in the supply
ductwork. To balance the unit it is necessary to set both the mini-
mum and maximum airflow set points of the controller. The many
types of control options available each have specific procedures
required for balancing. Refer to the submittal information for these
requirements.
SET POINTS
Maximum and minimum airflow set points are normally specified
for the job and specific for each unit on the job. Default set point
values are provided by the factory and can be reset to the specific
requirements in the field. The fan speed must be field adjusted af-
ter all discharge ductwork and diffusers have been installed.
Field Adjustment of the Maximum and Minimum Airflow Set
Points
Each fan powered terminals unit is equipped with an airflow sen-
sor installed in the primary air inlet which measures a differential
pressure. The relationship between the airflow probe pressure and
the corresponding airflow is shown in the Flow Probe Graph. See
Fig. 9. This chart is attached to each unit.
SYSTEM CALIBRATION OF THE INLET AIRFLOW
SENSOR
To achieve efficient pressure independent operation, the velocity
sensor and linear averaging flow probe must be calibrated to the
controller. This will ensure that airflow will be accurate for all ter-
minals at system start-up.
System calibration is accomplished by calculating a flow coeffi-
cient that adjusts the pressure fpm characteristics. The flow coeffi-
cient is determined by dividing the flow for a given unit (design
air volume in cfm), at a different velocity pressure of 1.0 in. wg,
by the standard pitot tube coefficient of 4005. This ratio is the
same for all sizes, if the standard averaging probe is used.
Carrier inlet areas are shown in Table 8, which illustrates the de-
sign air volume. It can be determined from Table 8that the aver-
age design air velocity for units is equal to 2660 fpm at 1.0 in. wg.
Determine the design air velocity by dividing the design air vol-
ume (the flow at 1.0 in. wg) by the nominal inlet area (sq ft). This
factor is the K factor.
LEGEND
AFS — Airflow Switch
CAP — Capacitor
SCR — Silicone Control Rectifier

8
Fig. 9 — Linear Probe cfm vs Signal Chart
NOTE: For ComfortID™ terminals, all flow sizes are normalized using a single probe multiplier (PMF) for all sizes equal to 2.273.
START-UP
General
Before balancing the system, the air handlers must be operating in
accordance with the specifications for air capacity, static pressure,
and temperature. Record data on the startup checklist (Fig. 10).
The following items must be checked:
1. All fans must be running at calculated and specified rpm.
2. Permanent or temporary filters must be clean and installed
where required.
3. All central station dampers must be adjusted and operating
properly.
4. All thermostats must be calibrated and at the desired set-
tings.
5. All ductwork must be tight.
6. All dirt or loose lining must be removed from inside
ductwork.
7. Pumps and sprays, when used, must be in operation.
8. Connections to the coil, when used, must be checked.
9. Water control valve, if used, must be checked.
NOTE: All 45 Series terminal units are shipped with cardboard
packaging rings placed in one side of the blower housing internal
to the blower/motor. These rings are provided to prevent damage
to the motor during shipment. The rings MUST BE REMOVED
prior to operation. The packing rings are accessible through the
terminal’s plenum. Turn the fan wheel by hand to ensure that
blower is free spinning. Carrier will not accept responsibility for
any additional costs for removal of this packaging material.
Remove the bottom access panel to remove the cardboard packing
material.
Initial Start-Up Procedures
NOTE: The following steps MUST be followed in order to prop-
erly operate and service this unit.
1. Disconnect all electrical power to the unit. Failure to dis-
connect the power to the fan box prior to checking and/or
servicing the fan box could result in a serious injury.
2. Verify that the fan box is installed level, and that adequate
mounting support has been provided.
3. Remove motor access panel from the bottom of the fan
box, and also remove the control panel cover.
4. Test the fan motor setscrew. The setscrew should fit
tightly, but it may have come loose during shipment or
installation.
5. Rotate the blower by hand to ensure proper clearance
between the blower and the blower housing.
6. Check the fan box for loose fiberglass insulation, espe-
cially on the electric heater elements or the hot water coils
(if these accessories are installed).
7. Check the control enclosure and remove any debris.
8. Check the induction inlet filter (if provided) for obstruc-
tions, and verify the filter is securely in place.
9. Verify the main power supply to the connection to the fan
box for proper voltage. If the fan box is installed with elec-
tric heat, the electric heat voltage may exceed the blower
motor voltage requirement. Excessive voltage to the fan
box may seriously damage it. Verify that the DDC (if
equipped) are receiving 24-vac, –15%, +20%.
10. Identify the control system supplied.
Table 8 — Inlet Areas — 45J,K,M,N,Q,R
INLET DIAMETER (in.)
4 5 6 8 10 12 14 16
Inlet Area 0.087 ft20.136 ft20.196 ft20.349 ft20.545 ft20.785 ft21.069 ft21.369 ft2
cfm at 1 in. wg 230 360 515 920 1430 2060 2800 3660
INLET SIZES 456789101214
16 22
40
(19)
50
(24)
70
(33)
100
(47)
200
(94)
300
(142)
500
(236)
600
(330)
1000
(472)
2000
(944)
3000
(1437)
5000
(2360)
7000
(3303)
1.4
1.8
2.0
2.6
3.4
4.6
5.8
6.8
8.2
9.7
11
(108)
229 (169) 358 (243) 515 (331) 702 (432)
916 (547)
1160 (676)
1432 (973)
2062 (1324) 2806 (1730)
3665 (3303) 7000
1.0 (245.5)
.8 (192.0)
.6 (149.3)
.4 (99.5)
.3 (74.5)
.2 (49.8)
.1 (24.9)
.07 (17.4)
.05 (12.4)
.04 (10.0)
.03 (7.5)
CFM (L/s)
VOLTS (DC), ANALOG CONTROLS
INLET AIRFLOW SENSOR
CFM (L/s) @ 1” W.G. SIGNAL
INLET SENSOR P
INCHES W.G. (PASCALS)
IMPORTANT: Before proceeding with start-up, be certain
that voltage, frequency, and phase correspond to unit speci-
fications. Unless noted, all fan motors are 60 Hz, 115, 208/
240, or 277-v, single-phase ac. electric heat, the electric
heat voltage may exceed the blower motor voltage require-
ment. Excessive voltage to the fan box may seriously dam-
age it. Verify that the DDC (if equipped) are receiving 24-v
ac, –15%, +20%.

9
11. Check all control connections (and/or electric) for proper
installation.
12. Connect electrical power.
Balancing Carrier Fan Terminals
Carrier fan terminal units contain primary air dampers which, un-
der the control of a volume controller, regulate the amount of cold
air distributed to the space.
45J,K,Q SERIES FLOW UNITS
The 45J,K,Q series flow terminals direct all primary air through
the unit fan. The terminal is designed to operate with the fan sup-
plying airflow equal to or greater than the airflow supplied by the
VAV damper. To balance the unit, therefore, it is necessary to first
set the fan flow, and then the VAV damper (primary) flow.
Each control option has specific procedures required for balancing
the unit, but some steps are common to all 45J,K,Q units. The fan
box adjustments described below must be made in conjunction
with the adjustments described in the Speed Controller and Con-
trol Adjustments section.
The VAV damper airflow may be set at the factory, but the fan air-
flow must be set in the field as described in “Setting of VAV (Pri-
mary) Airflow.”
Setting Fan Airflow
1. Set the controller to provide heating airflow demand only.
Typically, this is accomplished by setting the thermostat to
the highest possible temperature setting.
NOTE: A minimum of 0.1 in. wg downstream static pressure is
required in the duct to ensure proper heater operation.
2. Determine that the VAV valve is fully closed and that the
fan is rotating in the proper direction. (If the VAV damper
is open when the fan is started and there is primary air in
the system, the fan may start and run backward.)
3. Using a flow hood or duct traverse, determine the deliv-
ered fan airflow (cfm).
NOTE: Both flow hood and duct traverse are subject to measure-
ment errors. Be sure that all applicable measurement precautions
are taken.
4. Compare the actual cfm in heating mode to the designed
airflow. If there is a minimum setting for the VAV damper
in heating mode (as recommended by ASHRAE [Ameri-
can Society of Heating, Refrigeration, and Air Condition-
ing Engineers] Standard 62), this quantity is included in
the total measured heating airflow to determine if the
desired induction airflow level has been met.
5. Adjust the fan SCR at unit control box to achieve the
desired airflow rate. Refer to Tables 9-14 to ensure airflow
through electric heaters meets the requirements before
operating the heater.
Setting of VAV (Primary) Airflow
Adjustment of Set Points
Each 45J, 45K, and 45Q supplied with controls is equipped with a
pneumatic or electronic volume controller which regulates the
quantity of cold primary air entering the terminal and the condi-
tioned space. If required airflow levels are specified with the job
order, the minimum and maximum cfm levels will be set at the
factory where applicable. If minimum and maximum levels are
not specified, a default value of 0 is used for minimum setting at
the factory. Other settings of minimum and maximum primary air-
flow must be set in the field. Airflow (cfm) ranges for the primary
air damper are shown in Tables 9-14. The minimum primary air-
flow (other than zero) is the minimum flow rate controllable by
the unit volume controller. The primary air damper can be set at
zero for shutoff or at the minimum cfm listed.
Field Adjustment of Minimum and Maximum Airflow Set
Points
Each 45J, 45K, and 45Q unit is equipped with a centerpoint aver-
aging airflow sensor which provides an amplified differential
pressure that is proportional to the unit airflow. Output from this
probe is used to provide a flow signal to both pneumatic and elec-
tronic controls. Unit airflow (cfm) can be read directly from the
flow probe on the unit (refer to Fig. 9).
1. With the unit airflow from the fan set, turn on primary
(VAV) air supply.
2. To set cfm in the field, connect a gage to the flow probe at
the provided ‘T’ taps, and check the differential pressure.
(Alternately, the total flow may be measured, and the pre-
viously determined fan induction flow rate may be sub-
tracted from the total flow to determine VAV flow.
However, for low primary settings, this may not be as
accurate as the flow tap method.)
3. If a minimum VAV flow is required in heating mode,
adjust the volume until the differential pressure corre-
sponds to the cfm required.
4. Set the controller to provide maximum cooling demand.
This is typically accomplished by first setting the thermo-
stat to the lowest possible temperature setting.
a. In most series fan boxes, the primary airflow rate is
equal to the fan induction flow; in these cases, adjust the
volume controller until a balance is achieved between
fan induced airflow and primary airflow. When a bal-
ance exists, a strip of paper hung at the induction port
should hang straight down, and neither be blown in or
out of the unit.
b. If the primary airflow desired is less than the fan induc-
tion flow, adjust the volume controller until the differen-
tial pressure (measured through the flow probe as
described above) corresponds to the cfm required. Verify
that induction exists through the inlet ports, using the
paper strips as described above. When induction exists,
the paper strip should be pulled into the unit.
5. Return all reheat options to normal connections.
6. Cap the ‘T’ taps.
7. Reset the thermostat to a normal setting.
NOTE: It is normal for the total airflow to the room to increase
slightly in full cooling mode.
NOTE: If the unit has electric heat or hot water heat, temporar-
ily disable these functions before balancing the fan.
If unit has optional electric heat disconnect downstream of fan
motor connections to power, open disconnect.
If unit does not have optional electric heat disconnect, remove
one electric heat power line connection. Be sure to insulate
loose line from ground wire or other wires.

10
START-UP CHECKLIST
JOB NAME _________________________________________
JOB LOCATION _____________________________________
CUSTOMER ________________________________________
ENGINEER _________________________________________
BUILDING LOCATION/FLOOR _________________________
BUS NUMBER ______________________________________
Fig. 10 — Air Terminal Performance Sheet
CONTROL SET POINTS
Tag
Number
Zone
Address #
Box
Size
(in./cfm)
Cooling
(cfm) Fan
cfm
Heating
(cfm) Heat kW Occupied Unoccupied Calibration Gain
Min Max Min Max Type Btu Min Max Min Max Mult.

11
Table 9 — 45J Series Fan Powered Terminal Unit Performancea,b,c
45J WITH PSC FAN MOTOR
UNIT SIZE INLET SIZE (in.) FAN AIRFLOW (cfm) PRIMARY AIRFLOW (cfm) MOTOR HP MOTOR AMPS
MIN MAX MIN MAX 120V 208/240V 277V
26100 560 52 or 0 515 1/10 1.8 10.7
36300 990 52 or 0 515 1/4 3.6 21.5
892 or 0 916
4
8
550 1440
92 or 0 916
1/4 52.8 2.110 143 or 0 1432
12 206 or 0 1440
510 1100 2140 143 or 0 1432 1/2 8.3 4.6 3.5
12 206 or 0 2062
612 1200 2530 206 or 0 2062 3/4 9.5 5.8 4.4
14 281 or 0 2530
716 2100 3900 367 or 0 3665 (2) 3/4 N/A 13.2 9.9
45J WITH ECM FAN MOTOR
UNIT SIZE INLET SIZE (in.) FAN AIRFLOW (cfm) PRIMARY AIRFLOW (cfm) MOTOR HP MOTOR AMPS
MIN MAX MIN MAX 120V 208/240V 277V
36165 1100 52 or 0 515 1/2 7.7 5.0 4.1
892 or 0 916
6
10
385 2550
143 or 0 1432
112.8 10.5 6.912 206 or 0 2062
14 281 or 0 2550
716 685 4550 367 or 0 3665 (2) 1 N/A 21.0 13.8
NOTE(S):
a. 45J maximum primary airflow (cfm) is set by the maximum induced airflow, which may vary as a function of downstream pressure. Maximum airflow shown is based on
the maximum induced airflow (fan airflow) or 1.00 in. wg differential pressure signal from inlet airflow sensor, whichever is less.
b. Minimum recommended primary airflow (cfm) is based on 0.03 in. wg differential pressure of the inlet airflow sensor, or 0 airflow. 0.03 in. wg is equal to 15% to 20% of
the nominal flow rating of the terminal. Less than 15% to 20% may result in greater than +5% control of box flow.
c. 45J maximum/minimum fan airflow is based on 0.10 in. wg / 0.60 in. wg downstream static pressure, respectively.

12
Table 10 — 45K Series Fan Powered Terminal Unit Performancea,b,c
NOTE(S):
a. 45K maximum primary airflow (cfm) is set by the maximum induced airflow, which may vary as a function of downstream pressure. Maximum airflow shown is based on
the maximum induced airflow (fan airflow) or 1.00 in. wg differential pressure signal from inlet airflow sensor, whichever is less.
b. Minimum recommended primary airflow (cfm) is based on 0.03 in. wg differential pressure of the inlet airflow sensor, or 0 airflow. 0.03 in. wg is equal to 15% to 20% of
the nominal flow rating of the terminal. Less than 15% to 20% may result in greater than +5% control of box flow.
c. 45K maximum/minimum fan airflow is based on 0.10 in. wg / 0.60 in. wg downstream static pressure, respectively.
45K WITH PSC FAN MOTOR
UNIT SIZE INLET SIZE (in.)
FAN AIRFLOW
(cfm)
PRIMARY AIRFLOW
(cfm) MOTOR
HP
MOTOR AMPS
MIN MAX MIN MAX 120V 208/240V 277V
2650 530 52 or 0 515 1/10 1.4 0.8 0.6
8 92 or 0 530
3
6
200 1100
52 or 0 515
1/4 4.3 2.4 1.8
8 92 or 0 916
10 143 or 0 1100
12 360 or 0 1100
4
8
500 1300
92 or 0 916
1/4 4.3 2.4 1.810 143 or 0 1300
12 206 or 0 1300
5
10
800 1900
143 or 0 1432
1/2 8.3 4.4 3.512 206 or 0 1900
14 281 or 0 1900
6
10
1200 2600
143 or 0 1432
3/4 9.5 5.0 4.4
12 206 or 0 2062
14 281 or 0 2600
16 367 or 0 2600
7
10
1250 3000
143 or 0 1432
1 N/A 7.1 5.3
12 206 or 0 2062
14 281 or 0 2806
16 367 or 0 3000
45K WITH ECM FAN MOTOR
UNIT SIZE INLET SIZE (in.)
FAN AIRFLOW
(cfm)
PRIMARY AIRFLOW
(cfm) MOTOR
HP
MOTOR AMPS
MIN MAX MIN MAX 120V 208/240V 277V
3
6
250 1030
52 or 0 515
1/2 7.7 5.0 4.1
8 92 or 0 916
10 143 or 0 1030
12 206 or 0 1030
6
10
500 2600
143 or 0 1432
1 12.8 10.5 6.9
12 206 or 0 2000
14 281 or 0 2000
16 367 or 0 2000
7
10
600 2500
143 or 0 1432
1 12.8 10.5 6.9
12 206 or 0 2062
14 281 or 0 2500
16 367 or 0 2500

13
Table 11 — 45Q Series Fan Powered Terminala,b,c
NOTE(S):
a. 45Q maximum primary airflow (CFM) is set by the maximum induced airflow, which may vary as a function of downstream pressure. Maximum airflow shown is based on
the maximum induced airflow (fan airflow) or 1.00 in. wg differential pressure signal from inlet airflow sensor, whichever is less.
b. Minimum recommended airflow (CFM) is based on 0.03 in. wg differential pressure of the inlet airflow sensor, or 0 airflow. 0.03 in. wg is equal to 15% to 20% of the nominal
flow rating of the terminal. Less than 15% to 20% may result in greater than +5% control of box flow.
c. 45Q maximum/minimum fan airflow is based on 0.10 in. wg / 0.60 in. wg downstream static pressure, respectively.
45Q UNITS WITH PSC FAN MOTOR
UNIT
SIZE
INLET
SIZE
(in.)
FAN AIRFLOW PRIMARY AIRFLOW
MOTOR HP
MOTOR AMPS
MIN MAX MIN MAX 120V 208/240V 277V
38460 1075 92 or 0 916 1/4 5.8 2.6 2.2
10 143 or 0 1075
410 805 1650 143 or 0 1432 (2) 1/6 6.9 3.7 2.7
13.5 X 8 206 or 0 1650
5
10
840 1970
143 or 0 1432
1/2 8.4 4.2 3.712 206 or 0 1970
14 281 or 0 1970
45Q UNITS WITH ECM FAN MOTOR
UNIT
SIZE
INLET
SIZE
(in.)
FAN AIRFLOW PRIMARY AIRFLOW
MOTOR HP
MOTOR AMPS
MIN MAX MIN MAX 120V 208/240V 277V
3
6
170 1100
52 or 0 515
1/3 5.0 3.3 2.68 92 or 0 916
10 143 or 0 1100
410 285 1900 143 or 0 1432 (2) 1/3 10.0 6.6 5.2
13.5 x 8 206 or 0 1900
58265 1745 92 or 0 916 1/2 7.7 5.0 4.1
10 143 or 0 1432
45Q UNITS WITH ECM FAN MOTOR AND DOAS BOX
UNIT
SIZE
INLET
SIZE
(in.)
FAN AIRFLOW PRIMARY AIRFLOW
MOTOR HP
MOTOR AMPS
MIN MAX MIN MAX 120V 208/240V 277V
36150 1000 52 or 0 515 1/3 5.0 3.3 2.6
8 92 or 0 916
5
6
250 1625
52 or 0 515
1/2 7.7 5.0 4.18 92 or 0 916
10 143 or 0 1432

14
BALANCING 45M,N,R PARALLEL FLOW UNITS
A parallel fan terminal is designed to operate with the fan supply-
ing air equal to 40 to 60% of the VAV damper maximum setting.
Adjustments to the parallel units fan should be made with the pri-
mary air closed off. Refer to unit capacity tables to ensure airflow
through the electric heater meets the minimum requirements
before operating heater.
Each control option has specific procedures required for balancing
the unit, but some steps are common to all parallel fan units, as de-
scribed below.
To balance parallel fan unit:
Setting Fan Airflow
NOTE: If the unit has electric heat or hot water heat, temporarily
disable these functions before balancing the fan.
If unit has optional electric heat disconnect downstream of fan
motor connections to power, open disconnect.
If unit does not have optional electric heat disconnect, remove one
electric heat power line connection. Be sure to insulate loose line
from ground wire or other wires.
1. Set the controller to provide heating airflow demand only.
Typically, this is accomplished by setting the thermostat to
the highest possible temperature setting.
NOTE: A minimum of 0.1 in. wg downstream static pressure
is required in the duct to ensure proper heater operation.
2. Determine that the VAV damper is fully closed. This may
require a temporary override of the VAV controller. Do not
adjust minimum and maximum cfm set points at this time.
3. Using a flow hood or duct traverse, determine the deliv-
ered fan airflow (cfm).
NOTE: Both flow hood and duct traverse are subject to mea-
surement errors. Be sure that all applicable measurement pre-
cautions are taken.
4. Compare the required design cfm in heating mode to the
actual delivered airflow. If there is a minimum setting for
the VAV damper in heating mode (as recommended by
ASHRAE [American Society of Heating, Refrigeration,
and Air Conditioning Engineers] Standard 62), this quan-
tity is included in the total measured airflow.
5. Adjust the fan SCR at unit control box to achieve the
desired airflow rate.
Setting VAV (Primary) Airflow
Set Point Adjustments
Each parallel fan unit is equipped with a pneumatic or electronic
volume controller which regulates the quantity of cold primary air
entering the terminal and the conditioned space. If required air-
flow levels are specified with the job order, the minimum and
maximum cfm levels will be set at the factory. If minimum and
maximum levels are not specified, a default value is used. Other
settings of minimum and maximum primary airflow must be set in
the field. Airflow (cfm) ranges for the primary air damper are
shown in Tables 12-14 for 45M,N,R units. The minimum primary
airflow (other than zero) is the minimum flow rate controllable by
the unit volume controller. The primary air damper can be set at
zero for shutoff or at the minimum cfm listed.
Min and Max Airflow Set Points — Field Adjustments
Each parallel fan unit is equipped with a four quadrant multi-point
center averaging airflow sensor which provides an amplified dif-
ferential pressure that is proportional to the unit airflow. Output
from this probe is used to provide a flow signal to both pneumatic
and electronic controls. Unit airflow (cfm) can be read directly
from the flow probe on the unit.
1. After the unit airflow from the fan has been set, turn on
primary (VAV) air supply and turn off the fan.
2. To set cfm in the field, connect a gauge to the flow probe
and check the differential pressure.
3. If a minimum VAV flow is required in heating mode,
adjust the volume controller until the differential pressure
corresponds to the cfm required.
4. Some control sequences allow the fan to start before the
VAV damper reaches minimum setting, for an overlapping
of fan and VAV flow. For these sequences, after controller
minimum airflow has been adjusted, the total airflow with
both fan and primary airflow should be checked. For
sequences that call for the fan to start as the first stage of
heat, the cooling minimum cfm can be verified at the dif-
fuser.
Setting the minimum control point will typically require care-
ful adjustment of the thermostat to create a minimum cooling
demand signal.
5. Set the controller to provide maximum cooling demand.
This is typically accomplished by setting the thermostat to
the lowest possible temperature setting. For most control
sequences, this will cause the fan to shut off.
Adjust the volume controller until the differential pressure
(measured through the flow probe as described above) corre-
sponds to the cfm required.
6. Return all reheat options to normal connections.
7. Cap the ends of the inlet flow sensors.
8. Reset the thermostat to a normal setting.

15
Table 12 — 45M Parallel Fan Powered Terminal Unit Performancea,b,c
NOTE(S):
a. 45M maximum primary airflow (cfm) is based on 1.00 in. wg differential pressure signal from inlet airflow sensor.
b. Minimum recommended primary airflow (cfm) is based on 0.03 in. wg differential pressure of the inlet airflow sensor, or 0 airflow. 0.03 in. wg is equal to 15% to 20% of
the nominal flow rating of the terminal. Less than 15% to 20% may result in greater than +5% control of box flow.
c. 45M maximum/minimum fan airflow (cfm) is based on 0.25 in. wg external (downstream) static pressure.
45M WITH PSC FAN MOTOR
UNIT SIZE INLET SIZE (in.) FAN AIRFLOW (cfm) PRIMARY AIRFLOW (cfm) MOTOR HP MOTOR AMPS
MIN MAX MIN MAX 120V 208/240V 277V
26200 400 52 or 0 515 1/10 1.6 0.9 0.7
8 92 or 0 916
36300 990 52 or 0 515 1/4 2.0 1.2 0.9
8 92 or 0 916
4
8
550 1440
92 or 0 916
1/4 3.2 1.9 1.410 143 or 0 1432
12 206 or 0 1440
510 1100 2140 143 or 0 1432 1/2 7.3 4.1 3.1
12 206 or 0 2062
612 1200 2530 206 or 0 2062 3/4 10.1 5.1 4.2
14 281 or 0 2530
716 2100 3900 367 or 0 3665 (2) 3/4 9.5 5.8 4.4
Table 13 — 45N Parallel Fan Powered Terminal Unita,b
NOTE(S):
a. 45N maximum primary airflow (cfm) is based on 1.00 in wg differential pressure signal from inlet airflow sensor.
b. Minimum recommended primary airflow (cfm) is based on 0.03 in. wg differential pressure of the inlet airflow sensor, or 0 airflow. 0.03 in. wg is equal to 15% to 20% of
the nominal flow rating of the terminal. Less than 15% to 20% may result in greater than +5% control of box flow.
45N WITH PSC FAN MOTOR
UNIT SIZE INLET SIZE
(in.)
FAN AIRFLOW (cfm) PRIMARY AIRFLOW (cfm) MOTOR
HP
MOTOR AMPS
MIN MAX MIN MAX 120V 208/240V 277V
26150 530 52 or 0 515 1/4 2.6 1.5 1.1
8 92 or 0 916
3
6
160 800
52 or 0 515
1/4 3.1 1.7 1.38 92 or 0 916
10 143 or 0 1432
4
6
190 900
52 or 0 515
1/4 3.4 1.9 1.4
8 92 or 0 916
10 143 or 0 1432
12 206 or 0 2062
5
10
480 1700
143 or 0 1432
1/2 7.3 4.1 3.112 206 or 0 2062
14 281 or 0 2806
6
10
500 1700
143 or 0 1432
1/2 7.3 4.1 3.1
12 206 or 0 2062
14 281 or 0 2806
16 367 or 0 3665
7
10
780 2000
143 or 0 1432
3/4 9.5 5.8 4.4
12 206 or 0 2062
14 281 or 0 2806
16 367 or 0 3665
45N WITH ECM FAN MOTOR
UNIT SIZE INLET SIZE
(in.)
FAN AIRFLOW (cfm) PRIMARY AIRFLOW (cfm) MOTOR
HP
MOTOR AMPS
MIN MAX MIN MAX 120V 208/240V 277V
4
6
150 1000
52 or 0 515
1/2 7.7 5.0 4.1
8 92 or 0 916
10 143 or 0 1432
12 206 or 0 2062
7
10
240 1600
143 or 0 1432
1 12.8 10.5 6.9
12 206 or 0 2062
14 281 or 0 2806
16 367 or 0 3665

16
Speed Controller
Each Carrier fan powered air terminal unit is equipped with a fan
SCR speed controller, located on the bottom of the control box.
The SCR can be adjusted in the field.
NOTE: The 45J size 7 unit and 45Q size 4 unit have two SCR
speed controllers, one for each fan. One SCR is located in the stan-
dard position at the bottom of the control box; the other is at the
top of the control box.
The fan airflow output is dependent on the setting of the controller
and the downstream static resistance.
1. To increase the fan speed (RPM), turn the slotted adjust-
ment on the controller clockwise toward the “HI” marking
printed on the controller face plate (see to Fig. 11).
2. To decrease the fan speed (RPM), turn the adjustment
counterclockwise toward the “LO” marking. (see Fig. 11).
Fig. 11 — Fan Speed Controller
Table 14 — 45R Parallel Fan Powered Terminal Unit a,b,c
NOTE(S):
a. 45R maximum primary airflow (CFM) is based on 1.00 in. wg differential pressure signal from inlet airflow sensor.
b. Minimum recommended airflow (CFM) is based on 0.03 in. wg differential pressure of the inlet airflow sensor, or 0 airflow. 0.03 in. wg is equal to 15% to 20% of the
nominal flow rating of the terminal. Less than 15% to 20% may result in greater than +5% control of box flow.
c. 45R maximum/minimum fan airflow is based on 0.25 in. wg external (downstream) static pressure, respectively.
45R WITH PSC FAN MOTOR
UNIT
SIZE
INLET SIZE
(in.)
FAN AIRFLOW PRIMARY AIRFLOW MOTOR HP MOTOR AMPS
MIN MAX MIN MAX 120V 208/240V 277V
2
6
350 665
52 or 0 515
1/6 3.7 1.5 1.48 92 or 0 916
10 143 or 0 1432
4
8
420 855
92 or 0 916
1/4 5.6 2.5 2.010 143 or 0 1432
13.5 x 8 206 or 0 2062
45R WITH ECM FAN MOTOR
UNIT
SIZE
INLET SIZE
(in.)
FAN AIRFLOW PRIMARY AIRFLOW MOTOR HP MOTOR AMPS
MIN MAX MIN MAX 120V 208/240V 277V
2
6
125 820
90 or 0 515
1/3 5.0 3.3 2.68 160 or 0 920
10 250 or 0 1430
4
8
135 885
160 or 0 920
1/3 5.0 3.3 2.610 250 or 0 1430
8 x 14 360 or 0 2060
CAUTION
The minimum stop on the speed controller is factory set at an
internal minimum stop to prevent damage to the motor. Do not
attempt to override this minimum stop or electrical damage to
the fan motor may result.
LO
HI
U
R
RANCO
MXF-544002-001
100533-01
277 V 12L
5 FLA
50
6
Z

17
Setting Fan Air Flow with ECM Motors
Several terminal unit models are available with ECM motors for
easy balancing. These motors supply a determined amount of air
regardless of static pressure from ductwork layout or air distribu-
tion. The ECM motors are programmed to provide a maximum
cfm depending on model and unit size. The motors are then set to
provide the desired cfm as a proportional amount of the maxi-
mum. The proportion can be set by several options:
VCU (CONTROL OPTION 6)
VCU controlled units are manually operated with a digital readout
on the ECM controller (see Fig. 12). The digital readout provides a
percent of maximum. A fan adjustment knob is rotated until the
desired percent is displayed. After 20 seconds from final adjust-
ment, the controller display will alternate between percent and
motor RPMs. See Tables 15-29 for the percent required for desired
CFM.
Fig. 12 — VCU ECM Controller
ACU-O, 0-10VDC (0-20MA) INPUT 
(CONTROL OPTION 7)
The board is factory set to accept a 0-10 Vdc signal to control the
airflow between 0% and 100% as shown in the chart in Fig. 12.
This option does not allow for on/off control. Setting the jumper to
the “Opt” position as shown in the “Jumper Setting” in Fig. 13 sets
the control signal to 0-10 Vdc signal.
Fig. 13 — ACU ECM Controller
ACU-P, 2-10VDC (4-20MA) INPUT (CONTROL OPTION 8)
Another option is to have the board factory set to allow for on/off
control by setting the jumper on to the “P” position. This setting
uses a 2-10 Vdc control signal range with a voltage signal under
2Vdc turning the motor off. See Fig. 13 for graph of operating
range.
NOTE: Both ACU Options provide a manual Override
for field setting the ECM motor without being connected
to a DDC controller. If a DDC controller is connected,
adjusting the manual override with lock out the
automation signal for 15 minutes.
Volts
0-10Vdc 2-10Vdc with
On/Off
“Opt” Jumper
“P” Jumper
10
9
8
7
6
5
4
3
2
1
0
0 10 20 30 40 50 60 70 80 90 100
Flow Index
JUMPER SETTING

18
NOTE: CFM values below recommended minimum may affect life of
motor.
Table 15 — 45K Size 3 — ECM Calibration
SET
POINT
CFM
VCU
MANUAL %
DISPLAY
(OPTION 6)
ACU-0
REMOTE 0-10VDC
(0-20mA)
DC SIGNAL
(OPTION 7)
ACU-P
REMOTE
2-10VDC
(4-20mA)
DC SIGNAL
(OPTION 8)
VDC mA VDC mA
1050 100 10.0 (20.0) 10.0 (20.0)
1040 99 9.9 (19.8) 9.9 (19.8)
1029 98 9.8 (19.6) 9.8 (19.7)
1019 97 9.7 (19.4) 9.8 (19.5)
1008 96 9.6 (19.2) 9.7 (19.4)
998 95 9.5 (19.0) 9.6 (19.2)
987 94 9.4 (18.8) 9.5 (19.0)
977 93 9.3 (18.6) 9.4 (18.9)
966 92 9.2 (18.4) 9.4 (18.7)
956 91 9.1 (18.2) 9.3 (18.6)
945 90 9.0 (18.0) 9.2 (18.4)
935 89 8.9 (17.8) 9.1 (18.2)
924 88 8.8 (17.6) 9.0 (18.1)
914 87 8.7 (17.4) 9.0 (17.9)
903 86 8.6 (17.2) 8.9 (17.8)
893 85 8.5 (17.0) 8.8 (17.6)
882 84 8.4 (16.8) 8.7 (17.4)
872 83 8.3 (16.6) 8.6 (17.3)
861 82 8.2 (16.4) 8.6 (17.1)
851 81 8.1 (16.2) 8.5 (17.0)
840 80 8.0 (16.0) 8.4 (16.8)
830 79 7.9 (15.8) 8.3 (16.6)
819 78 7.8 (15.6) 8.2 (16.5)
8.9 77 7.7 (15.4) 8.2 (16.3)
798 76 7.6 (15.2) 8.1 (16.2)
788 75 7.5 (15.0) 8.0 (16.0)
777 74 7.4 (14.8) 7.9 (15.8)
767 73 7.3 (14.6) 7.8 (15.7)
756 72 7.2 (14.2) 7.8 (15.5)
746 71 7.1 (14.0) 7.7 (15.4)
735 70 7.0 (13.8) 7.6 (15.2)
725 69 6.9 (13.6) 7.5 (15.0)
714 68 6.8 (13.6) 7.4 (14.9)
704 67 6.7 (13.4) 7.4 (14.7)
693 66 6.6 (13.2) 7.3 (14.6)
683 65 6.5 (13.0) 7.2 (14.4)
672 64 6.4 (12.8) 7.1 (14.2)
662 63 6.3 (12.6) 7.0 (14.1)
651 62 6.2 (12.4) 7.0 (13.9)
641 61 6.1 (12.2) 6.9 (13.8)
630 60 6.0 (12.0) 6.8 (13.6)
620 59 5.9 (11.8) 6.7 (13.4)
609 58 5.8 (11.6) 6.6 (13.3)
599 57 5.7 (11.4) 6.6 (13.1)
588 56 5.6 (11.2) 6.5 (13.0)
578 55 5.5 (11.0) 6.4 (12.8)
567 54 5.4 (10.8) 6.3 (12.6)
557 53 5.3 (10.6) 6.2 (12.5)
546 52 5.2 (10.4) 6.2 (12.3)
536 51 5.1 (10.2) 6.1 (12.2)
525 50 5.0 (10.0) 6.0 (12.0)
515 49 4.9 (9.8) 5.9 (11.8)
504 48 4.8 (9.6) 5.8 (11.7)
494 47 4.7 (9.4) 5.8 (11.5)
483 46 4.6 (9.2) 5.7 (11.4)
473 45 4.5 (9.0) 5.6 (11.2)
462 44 4.4 (8.8) 5.5 (11.0)
452 43 4.3 (8.6) 5.4 (10.9)
441 42 4.2 (8.4) 5.4 (10.7)
431 41 4.1 (8.2) 5.3 (10.6)
420 40 4.0 (8.0) 5.2 (10.4)
410 39 3.9 (7.8) 5.1 (10.2)
399 38 3.8 (7.6) 5.0 (10.1)
389 37 3.7 (7.4) 5.0 (9.9)
378 36 3.6 (7.2) 4.9 (9.8)
368 35 3.5 (7.0) 4.8 (9.6)
357 34 3.4 (6.8) 4.7 (9.4)
347 33 3.3 (6.6) 4.6 (9.3)
336 32 3.2 (6.4) 4.6 (9.1)
326 31 3.1 (6.2) 4.5 (9.0)
315 30 3.0 (6.0) 4.4 (8.8)
305 29 2.9 (5.8) 4.2 (8.6)
294 28 2.8 (5.6) 4.2 (8.5)
284 27 2.7 (5.4) 4.1 (8.3)
273 26 2.6 (5.2) 4.0 (8.2)
263 25 2.5 (5.0) 3.9 (8.0)
252 24 2.4 (4.8) 3.8 (7.8)
242 23 2.3 (4.6) 3.8 (7.7)
231 22 2.2 (4.4) 3.6 (7.5)
221 21 2.1 (4.2) 3.7 (7.4)
210 20 2.0 (4.0) 3.6 (7.2)
200 19 1.9 (3.8) 3.5 (7.0)
189 18 1.8 (3.6) 3.4 (6.9)
179 17 1.7 (3.4) 3.4 (6.7)
168 16 1.6 (3.2) 3.3 (6.6)
158 15 1.5 (3.0) 3.2 (6.4)
147 14 1.4 (2.8) 3.1 (6.2)
137 13 1.3 (2.6) 3.0 (6.1)
126 12 1.2 (2.4) 3.0 (5.9)
116 11 1.1 (2.2) 2.9 (5.8)
105 10 1.0 (2.0) 2.8 (5.6)
95 90.9 (1.8) 2.7 (5.4)
84 80.8 (1.6) 2.6 (5.3)
74 70.7 (1.4) 2.6 (5.1)
63 60.6 (1.2) 2.5 (5.0)
53 50.5 (1.0) 2.4 (4.8)
42 40.4 (0.8) 2.3 (4.6)
32 30.3 (0.6) 2.2 (4.5)
21 20.2 (0.4) 2.2 (4.3)
11 10.1 (0.2) 2.1 (4.2)
Table 15 — 45K Size 3 — ECM Calibration (cont)
SET
POINT
CFM
VCU
MANUAL %
DISPLAY
(OPTION 6)
ACU-0
REMOTE 0-10VDC
(0-20mA)
DC SIGNAL
(OPTION 7)
ACU-P
REMOTE
2-10VDC
(4-20mA)
DC SIGNAL
(OPTION 8)
VDC mA VDC mA

19
NOTE: CFM values below recommended minimum may affect life of
motor.
Table 16 — 45K Size 6 — ECM Calibration
SET
POINT
CFM
VCU
MANUAL %
DISPLAY
(OPTION 6)
ACU-0
REMOTE 0-10VDC
(0-20mA)
DC SIGNAL
(OPTION 7)
ACU-P
REMOTE
2-10VDC
(4-20mA)
DC SIGNAL
(OPTION 8)
VDC mA VDC mA
2000 100 10.0 (20.0) 10.0 (20.0)
1980 99 9.9 (19.8) 9.9 (19.8)
1960 98 9.8 (19.6) 9.8 (19.7)
1940 97 9.7 (19.4) 9.8 (19.5)
1920 96 9.6 (19.2) 9.7 (19.4)
1900 95 9.5 (19.0) 9.6 (19.2)
1880 94 9.4 (18.8) 9.5 (19.0)
1860 93 9.3 (18.6) 9.4 (18.9)
1840 92 9.2 (18.4) 9.4 (18.7)
1820 91 9.1 (18.2) 9.3 (18.6)
1800 90 9.0 (18.0) 9.2 (18.4)
1780 89 8.9 (17.8) 9.1 (18.2)
1760 88 8.8 (17.6) 9.0 (18.1)
1740 87 8.7 (17.4) 9.0 (17.9)
1720 86 8.6 (17.2) 8.9 (17.8)
1700 85 8.5 (17.0) 8.8 (17.6)
1680 84 8.4 (16.8) 8.7 (17.4)
1660 83 8.3 (16.6) 8.6 (17.3)
1640 82 8.2 (16.4) 8.6 (17.1)
1620 81 8.1 (16.2) 8.5 (17.0)
1600 80 8.0 (16.0) 8.4 (16.8)
1580 79 7.9 (15.8) 8.3 (16.6)
1560 78 7.8 (15.6) 8.2 (16.5)
1540 77 7.7 (15.4) 8.2 (16.3)
1520 76 7.6 (15.2) 8.1 (16.2)
1500 75 7.5 (15.0) 8.0 (16.0)
1480 74 7.4 (14.8) 7.9 (15.8)
1460 73 7.3 (14.6) 7.8 (15.7)
1440 72 7.2 (14.2) 7.8 (15.5)
1420 71 7.1 (14.0) 7.7 (15.4)
1400 70 7.0 (13.8) 7.6 (15.2)
1380 69 6.9 (13.6) 7.5 (15.0)
1360 68 6.8 (13.6) 7.4 (14.9)
1340 67 6.7 (13.4) 7.4 (14.7)
1320 66 6.6 (13.2) 7.3 (14.6)
1300 65 6.5 (13.0) 7.2 (14.4)
1280 64 6.4 (12.8) 7.1 (14.2)
1260 63 6.3 (12.6) 7.0 (14.1)
1240 62 6.2 (12.4) 7.0 (13.9)
1220 61 6.1 (12.2) 6.9 (13.8)
1200 60 6.0 (12.0) 6.8 (13.6)
1180 59 5.9 (11.8) 6.7 (13.4)
1160 58 5.8 (11.6) 6.6 (13.3)
1140 57 5.7 (11.4) 6.6 (13.1)
1120 56 5.6 (11.2) 6.5 (13.0)
1100 55 5.5 (11.0) 6.4 (12.8)
1080 54 5.4 (10.8) 6.3 (12.6)
1060 53 5.3 (10.6) 6.2 (12.5)
1040 52 5.2 (10.4) 6.2 (12.3)
1020 51 5.1 (10.2) 6.1 (12.2)
100 50 5(10.0) 6.0 (12.0)
980 49 4.9 (9.8) 5.9 (11.8)
960 48 4.8 (9.6) 5.8 (11.7)
940 47 4.7 (9.4) 5.8 (11.5)
920 46 4.6 (9.2) 5.7 (11.4)
900 45 4.5 (9.0) 5.6 (11.2)
880 44 4.4 (8.8) 5.5 (11.0)
860 43 4.3 (8.6) 5.4 (10.9)
840 42 4.2 (8.4) 5.4 (10.7)
820 41 4.1 (8.2) 5.3 (10.6)
800 40 4.0 (8.0) 5.2 (10.4)
780 39 3.9 (7.8) 5.1 (10.2)
760 38 3.8 (7.6) 5.0 (10.1)
740 37 3.7 (7.4) 5.0 (9.9)
720 36 3.6 (7.2) 4.9 (9.8)
700 35 3.5 (7.0) 4.8 (9.6)
680 34 3.4 (6.8) 4.7 (9.4)
660 33 3.3 (6.6) 4.6 (9.3)
640 32 3.2 (6.4) 4.6 (9.1)
620 31 3.1 (6.2) 4.5 (9.0)
600 30 3.0 (6.0) 4.4 (8.8)
580 29 2.9 (5.8) 4.2 (8.6)
560 28 2.8 (5.6) 4.2 (8.5)
540 27 2.7 (5.4) 4.1 (8.3)
520 26 2.6 (5.2) 4.0 (8.2)
500 25 2.5 (5.0) 3.9 (8.0)
480 24 2.4 (4.8) 3.8 (7.8)
460 23 2.3 (4.6) 3.8 (7.7)
440 22 2.2 (4.4) 3.6 (7.5)
420 21 2.1 (4.2) 3.7 (7.4)
400 20 2.0 (4.0) 3.6 (7.2)
380 19 1.9 (3.8) 3.5 (7.0)
360 18 1.8 (3.6) 3.4 (6.9)
340 17 1.7 (3.4) 3.4 (6.7)
320 16 1.6 (3.2) 3.3 (6.6)
300 15 1.5 (3.0) 3.2 (6.4)
280 14 1.4 (2.8) 3.1 (6.2)
260 13 1.3 (2.6) 3.0 (6.1)
240 12 1.2 (2.4) 3.0 (5.9)
220 11 1.1 (2.2) 2.9 (5.8)
200 10 1.0 (2.0) 2.8 (5.6)
180 90.9 (1.8) 2.7 (5.4)
160 80.8 (1.6) 2.6 (5.3)
140 70.7 (1.4) 2.6 (5.1)
120 60.6 (1.2) 2.5 (5.0)
100 50.5 (1.0) 2.4 (4.8)
80 40.4 (0.8) 2.3 (4.6)
60 30.3 (0.6) 2.2 (4.5)
40 20.2 (0.4) 2.2 (4.3)
20 10.1 (0.2) 2.1 (4.2)
Table 16 — 45K Size 6 — ECM Calibration (cont)
SET
POINT
CFM
VCU
MANUAL %
DISPLAY
(OPTION 6)
ACU-0
REMOTE 0-10VDC
(0-20mA)
DC SIGNAL
(OPTION 7)
ACU-P
REMOTE
2-10VDC
(4-20mA)
DC SIGNAL
(OPTION 8)
VDC mA VDC mA

20
NOTE: CFM values below recommended minimum may affect life of
motor.
Table 17 — 45K Size 7 ECM Calibration
SET
POINT
CFM
VCU
MANUAL %
DISPLAY
(OPTION 6)
ACU-0
REMOTE 0-10VDC
(0-20mA)
DC SIGNAL
(OPTION 7)
ACU-P
REMOTE
2-10VDC
(4-20mA)
DC SIGNAL
(OPTION 8)
VDC mA VDC mA
2500 100 10.0 (20.0) 10.0 (20.0)
2475 99 9.9 (19.8) 9.9 (19.8)
2450 98 9.8 (19.6) 9.8 (19.7)
2425 97 9.7 (19.4) 9.8 (19.5)
2400 96 9.6 (19.2) 9.7 (19.4)
2375 95 9.5 (19.0) 9.6 (19.2)
2350 94 9.4 (18.8) 9.5 (19.0)
2325 93 9.3 (18.6) 9.4 (18.9)
2300 92 9.2 (18.4) 9.4 (18.7)
2275 91 9.1 (18.2) 9.3 (18.6)
2250 90 9.0 (18.0) 9.2 (18.4)
2225 89 8.9 (17.8) 9.1 (18.2)
2200 88 8.8 (17.6) 9.0 (18.1)
2175 87 8.7 (17.4) 9.0 (17.9)
2150 86 8.6 (17.2) 8.9 (17.8)
2125 85 8.5 (17.0) 8.8 (17.6)
2100 84 8.4 (16.8) 8.7 (17.4)
2075 83 8.3 (16.6) 8.6 (17.3)
2050 82 8.2 (16.4) 8.6 (17.1)
2025 81 8.1 (16.2) 8.5 (17.0)
2000 80 8.0 (16.0) 8.4 (16.8)
1975 79 7.9 (15.8) 8.3 (16.6)
1950 78 7.8 (15.6) 8.2 (16.5)
1925 77 7.7 (15.4) 8.2 (16.3)
1900 76 7.6 (15.2) 8.1 (16.2)
1875 75 7.5 (15.0) 8.0 (16.0)
1850 74 7.4 (14.8) 7.9 (15.8)
1825 73 7.3 (14.6) 7.8 (15.7)
1800 72 7.2 (14.2) 7.8 (15.5)
1775 71 7.1 (14.0) 7.7 (15.4)
1750 70 7.0 (13.8) 7.6 (15.2)
1725 69 6.9 (13.6) 7.5 (15.0)
1700 68 6.8 (13.6) 7.4 (14.9)
1675 67 6.7 (13.4) 7.4 (14.7)
1650 66 6.6 (13.2) 7.3 (14.6)
1625 65 6.5 (13.0) 7.2 (14.4)
1600 64 6.4 (12.8) 7.1 (14.2)
1575 63 6.3 (12.6) 7.0 (14.1)
1550 62 6.2 (12.4) 7.0 (13.9)
1525 61 6.1 (12.2) 6.9 (13.8)
1500 60 6.0 (12.0) 6.8 (13.6)
1475 59 5.9 (11.8) 6.7 (13.4)
1450 58 5.8 (11.6) 6.6 (13.3)
1425 57 5.7 (11.4) 6.6 (13.1)
1400 56 5.6 (11.2) 6.5 (13.0)
1375 55 5.5 (11.0) 6.4 (12.8)
1350 54 5.4 (10.8) 6.3 (12.6)
1325 53 5.3 (10.6) 6.2 (12.5)
1300 52 5.2 (10.4) 6.2 (12.3)
1275 51 5.1 (10.2) 6.1 (12.2)
1250 50 5.0 (10.0) 6.0 (12.0)
1225 49 4.9 (9.8) 5.9 (11.8)
1200 48 4.8 (9.6) 5.8 (11.7)
1175 47 4.7 (9.4) 5.8 (11.5)
1150 46 4.6 (9.2) 5.7 (11.4)
1125 45 4.5 (9.0) 5.6 (11.2)
1100 44 4.4 (8.8) 5.5 (11.0)
1075 43 4.3 (8.6) 5.4 (10.9)
1050 42 4.2 (8.4) 5.4 (10.7)
1025 41 4.1 (8.2) 5.3 (10.6)
1000 40 4.0 (8.0) 5.2 (10.4)
975 39 3.9 (7.8) 5.1 (10.2)
950 38 3.8 (7.6) 5.0 (10.1)
925 37 3.7 (7.4) 5.0 (9.9)
900 36 3.6 (7.2) 4.9 (9.8)
875 35 3.5 (7.0) 4.8 (9.6)
850 34 3.4 (6.8) 4.7 (9.4)
825 33 3.3 (6.6) 4.6 (9.3)
800 32 3.2 (6.4) 4.6 (9.1)
775 31 3.1 (6.2) 4.5 (9.0)
750 30 3.0 (6.0) 4.4 (8.8)
725 29 2.9 (5.8) 4.2 (8.6)
700 28 2.8 (5.6) 4.2 (8.5)
675 27 2.7 (5.4) 4.1 (8.3)
650 26 2.6 (5.2) 4.0 (8.2)
625 25 2.5 (5.0) 3.9 (8.0)
600 24 2.4 (4.8) 3.8 (7.8)
575 23 2.3 (4.6) 3.8 (7.7)
550 22 2.2 (4.4) 3.6 (7.5)
525 21 2.1 (4.2) 3.7 (7.4)
500 20 2.0 (4.0) 3.6 (7.2)
475 19 1.9 (3.8) 3.5 (7.0)
450 18 1.8 (3.6) 3.4 (6.9)
425 17 1.7 (3.4) 3.4 (6.7)
400 16 1.6 (3.2) 3.3 (6.6)
375 15 1.5 (3.0) 3.2 (6.4)
350 14 1.4 (2.8) 3.1 (6.2)
325 13 1.3 (2.6) 3.0 (6.1)
300 12 1.2 (2.4) 3.0 (5.9)
275 11 1.1 (2.2) 2.9 (5.8)
250 10 1.0 (2.0) 2.8 (5.6)
225 90.9 (1.8) 2.7 (5.4)
200 80.8 (1.6) 2.6 (5.3)
175 70.7 (1.4) 2.6 (5.1)
150 60.6 (1.2) 2.5 (5.0)
125 50.5 (1.0) 2.4 (4.8)
100 40.4 (0.8) 2.3 (4.6)
75 30.3 (0.6) 2.2 (4.5)
50 20.2 (0.4) 2.2 (4.3)
25 10.1 (0.2) 2.1 (4.2)
Table 17 — 45K Size 7 ECM Calibration (cont)
SET
POINT
CFM
VCU
MANUAL %
DISPLAY
(OPTION 6)
ACU-0
REMOTE 0-10VDC
(0-20mA)
DC SIGNAL
(OPTION 7)
ACU-P
REMOTE
2-10VDC
(4-20mA)
DC SIGNAL
(OPTION 8)
VDC mA VDC mA