Nordyne Q4 Series User manual

460 Volt Q4 Series
Readtheseinstructionsthoroughlybeforestartingtheinstallation. Follow
all precautions and warnings contained within these instructions and on
the unit.
These instructions are primarily intended to assist qualified individuals
experienced in the proper installation of heating and/or air conditioning
appliances. Some local codes require licensed installation/service per-
sonnel for this type equipment. All installations must be in accordance
with these instructions and with all applicable national and local codes
and standards.
Installation Instructions
Single Package Heat Pump
IMPORTANT

2
TABLE OF CONTENTS
OWNER INFORMATION .......................................................................................................... 3
SPECIFICATIONS..................................................................................................................... 4
SAFETY CONSIDERATIONS................................................................................................... 5
• Labels, Tags................................................................................................................ 5
• Pressures Within The System..................................................................................... 5
INSTALLATION REQUIREMENTS .......................................................................................... 5
• Equipment Check........................................................................................................ 5
• Requirements and Codes ........................................................................................... 5
• Unit Location ............................................................................................................... 5
• Air Filters ..................................................................................................................... 5
• Condensate Drain ....................................................................................................... 5
UNIT INSTALLATION...............................................................................................................7
• Ground Level............................................................................................................... 7
• Rigging and Hoisting................................................................................................... 7
• Rooftop........................................................................................................................ 7
AIR DUCTS ............................................................................................................................... 7
• Unconditioned Spaces. ............................................................................................... 7
• Acoustical Duct Work .................................................................................................. 8
• Horizontal to Down flow Conversion........................................................................... 8
• Clearance .................................................................................................................... 8
ELECTRICAL WIRING ............................................................................................................. 8
• Line Voltage ................................................................................................................ 8
• Blower Speed.............................................................................................................. 9
• Low Voltage Connections ........................................................................................... 9
• Room Thermostat ....................................................................................................... 9
• Defrost Cycle Timer .................................................................................................... 9
START-UP AND SYSTEM CHECK ........................................................................................ 10
• Air Circulation ............................................................................................................ 10
• System Cooling ......................................................................................................... 10
• System Heating......................................................................................................... 10
UNIT MAINTENANCE............................................................................................................. 11
• Refrigerant Charging................................................................................................. 11
• Routine Maintenance ................................................................................................ 11
BLOWER TABLE ....................................................................................................................12
CHARGING CHARTS ........................................................................................................ 13-16
ACCESSORY KIT TABLE ...................................................................................................... 17
WIRING DIAGRAM ................................................................................................................. 18

3
It is the sole responsibility of the homeowner to
makecertain thatheat pumphas beencorrectly
set up and adjusted to operate properly.
NORDYNE warrants the heat pump to be free
from defects in material or workmanship for a
period of one year. A warranty certificate with
fulldetailsis includedwiththeheatpump. How-
ever, NORDYNE willnotberesponsibleforany
costs found necessary to correct problems due
to improper setup, improper installation, adjust-
ments, improper operating procedure on the
part of the user, etc.
Some specific examples of service calls which
are not included in the limited warranty are:
1. Correcting wiring problems in the electrical
circuit supplying the heat pump.
WINTER HEATING
1. Outdoor air enters the heat pump.
2. The cold, heat-transfer section (outdoor coil)
extractstheheatfromtheairastherefrigerant
evaporates from a liquid to a cold gas.
3. The refrigerant, compressed to a hot gas by
the heat pump, carries the heat to the heat-
transfer section (indoor coil).
4. The hot, heat-transfer section (indoor coil)
releasestheheatastherefrigerantcondenses
from a gas to a liquid.
5. The blower circulates the heat throughout
the home via the supply duct.
6. The refrigerantreturnsto the outdoorcoiland
evaporates once again to absorb more heat.
SUMMER COOLING
1. Indoor air enters the return air duct.
2. The cold, heat-transfer section (indoor coil)
extractstheheatfromtheairastherefrigerant
evaporates from a liquid to a cold gas.
3. The refrigerant, drawn to the heat pump and
compressed to a hot gas, carries the heat
outdoors.
4. The hot, heat-transfer section (outdoor coil)
releasestheheatastherefrigerantcondenses
from a gas to a liquid.
5. The heat pump (outdoor fan) discharges the
heat to the outside air.
6. The refrigerant returns to the indoor coil and
evaporates once again to absorb more heat.
1
2
36
5
4
1
2
3
6
4
5
2. Resetting circuit breakers or other switches.
3. Adjusting or calibrating of thermostat.
To avoid misunderstandings at a later date,
carefully review these responsibilities with your
dealer or service company.
The heat pump system will heat and cool your
home and save your energy dollars.
During the summer, a heat pump cools a house
by absorbing heat from within the house and
exhaustingitoutdoors. Duringthewinter,aheat
pumpheatsahousebyabsorbingheatoutdoors
and exhausting it indoors. This is an efficient
heating means because you pay for “moving”
heat from outdoors to indoors, but do not pay to
generate the heat.
SECTION 1. OWNER INFORMATION

4
OPERATING INSTRUCTIONS
To Operate Your Heat Pump For Cooling —
1. Set the thermostat system switch to COOL
andthethermostatfanswitchtoAUTO. (See
Figure 1)
2. Set the thermostat temperature selector to
thedesiredcoolingtemperature. Theoutdoor
unit fan, the indoor blower, and the
compressorwillallcycleonandofftomaintain
theindoortemperatureatthedesiredcooling
level.
NOTE: Ifthethermostat temperaturelevelisre-
adjusted,orifthethermostatsystemswitchisre-
positioned, the outdoor unit fan and the
compressor may not start immediately. A
protective timer circuit holds the compressor
and the outdoor fan off for approximately six
minutes following a previous operation or the
interruption of the main electric power
To Operate Your Heat Pump For Heating —
1. Set the thermostat system switch for HEAT
andthethermostatfanswitchtoAUTO. (See
Figure 1)
2. Set the thermostat temperature selector to
thedesiredheatingtemperature. Theoutdoor
unit fan, the indoor blower, and the
compressor will all cycle on and off to
maintaintheindoortemperatureatthedesired
heating level.
NOTE: If the thermostat temperature level is re-
adjusted,orifthethermostatsystemswitchisre-
positioned, the outdoor unit fan and the
compressor may not start immediately. A
protective timer circuit holds the compressor
and the outdoor fan off for approx-imately six
minutes following a previous operation or the
interruption of the main electrical power.
Emergency Heat — Some thermostats will
include a system switch position termed EM HT
orAUX HT,etc. Thisisa back-upheatingmode
to be used only if there is a suspected problem.
With the system switch set to EM HT, etc., the
compressor and outdoor fan will be locked off
and supplemental heat (electric resistance
heating) will be used as a source of heat.
Sustained use of electric resistance heat in
place of the heat pump will result in an increase
in electric utility costs.
Figure 1. Typical Thermostat
Defrost — During cold weather heating
operation,theoutdoorunitwilldevelopacoating
ofsnow andice onthe heattransfer coil. Thisis
normalandtheunitwillperiodicallydefrostitself.
During the defrost cycle, the outdoor fan will
stop,whilethecompressorcontinues torunand
heat the outdoor coil, causing the snow and ice
to melt. During defrost, there may be some
steamrisefromtheoutdoorunitasthewarmcoil
causes some melted frost to evaporate.
SPECIFICATIONS
Model Series Q4 Single Package Heat Pumps
aredesigned foroutdoorrooftopor groundlevel
slab installations. The units are shipped ready
for horizontal duct connections and are easily
converted for down flow applications.
Figure 2. Thermostat Interlock System
Cooling
Thermostat Furance
Thermostat
Double Throw
Double Pole Switch
To Heat Pump To Furance
RR
FAN SWITCH
TEMPERATURE SELECTOR

5
All models are shipped from the factory with the
following:
1. Zero clearance to combustibles
2. Multi-speed direct-drive blower.
3. Blower Speed Relay.
4. Horizontal or Down flow duct connections.
The unit dimensions are shown in Figure 3.
Optional field-installed electric heater kits are
available in 9 kw and 15 kw heating capacities.
A separate installation instruction document for
the electric heaters and their application
accompaniesthisone. Atwostageheat24VAC
thermostat should be used with electric heater
kits installed.
SAFETY CONSIDERATIONS
It is the responsibility of the installer to ensure
that the installation is made in accordance with
all applicable local and national codes.
!WARNING:
Improper installation, service,
adjustment,ormaintenancemaycause
explosion,fire,electricalshockorother
hazardousconditionswhichmayresult
in personal injury or property damage.
Unless otherwise noted in these
instructions, only factory authorized
kits or accessories may be used with
thisproduct. Noncompliancemayvoid
the unit’s warranty.
Labels, Tags —When working with this
equipment, follow all precautions in the
literature, on tags, and on labels provided with
the unit and/or approved field installed kits.
The type of hazard and severity are described
on each label or tag.
Pressures Within The System —This
equipment contains liquid and gaseous
refrigerant under high pressure. Installation or
servicing should only be performed by qualified
trained personnel thoroughly familiar with this
type equipment.
INSTALLATION REQUIREMENTS
Equipment Check —Before beginning the
installation, verify that the unit model is correct
for the job. The unit model number is printed on
the data label. All units have been securely
packaged at the point of shipment. After
unpacking the unit, carefully inspect it for
apparent and concealed damage. Claims for
damage should be filed with the carrier by the
consignee.
RequirementsandCodes—Theinstallermust
comply with all local codes and regulations
which govern this type equipment. Local codes
and regulations take precedence over any
recommendations contained in these
instructions. All electrical wiring must be made
in accordance with local codes and regulations
andwiththeNationalElectricCode(ANSI/NFPA
70) or in Canada the Canadian Electric Code
Part 1 CSA C.22.1. Air Ducts must be installed
inaccordancewiththestandardsoftheNational
Fire Protection Association “Standards for
Installation of Air Conditioning and Ventilation
Systems”(NFPA90A),“StandardforInstallation
of Residence Type Warm Air Heating and Air
Conditioning Systems” (NFPA 90B), these
instructions and all applicable local codes.
NFPA publications are available by writing:
National Fire Protection Association
Batterymarch Park
Quincy, Maine 02269
Unit Location —The Q4 series heat pump is
designedonlyforoutdoorinstallations.Choosing
the location of the unit should be based on
minimizing the length of the supply and return
ducts. Consideration should also be given to
availability of electric power, service access,
noise, and shade. Sufficient clearance for
unobstructed airflow through the outdoor coil
must be maintained in order to achieve rated
performance See Figure 4 for minimum
clearances to obstructions.
AirFilters—Asuitableairfiltermustbeinstalled
in the return air system. Air filter pressure drop
must not exceed 0.08 inches w.c. at 300 fpm.
Condensate Drain —Condensate is removed
from the unit through the 3/4" female pipe fitting
locatedonthefrontsideoftheunit. (SeeFigure
5.) Install a 2 inch condensate trap in the drain
line of the same size and prime with water.
Whenconnectingrigiddrainline,holdthefemale
fitting with a wrench to prevent twisting. Do not
over tighten! Refer to local codes and
restrictions for proper condensate disposal
requirements.

6
Figure 3. Dimensions
24.9
13.5
16.0
23.512.0
13.3
13.5 16.0
12.0
CG
A
47.5
3/4" NPT Female
Drain Connector
B
SUPPLY
RETURN
Top View
Side View Back View
Center of Gravity Height (in inches)
Model No. C
with base rails without base rails
Q4SA-036 340 28.0 26.0 33.7 31.3
Q4SA-048 345 28.0 26.0 33.7 31.3
Q4SA-060 400 29.5 26.5 37.7 35.3
AB
Unit
Weight
16.0
13.5
11.2
13.5
16.0
11.2
10.0 24.9 55.8
C
SUPPLY RETURN
1.25 ØPower Entry
1.75 ØPower Entry (Capped)
0.88 ØControlWiring Entry
22.4
26.0
28.7
1.8

7
Figure 4. Minimum Clearances
36"
36"
6"
72"
36"
Condensate Drain
Figure 5. Condensate Drain
UNIT INSTALLATION
Ground Level —When installing the unit at
ground level, provide a concrete mounting pad
separate from the building foundation. The pad
must be level to insure proper condensate
disposalandstrongenoughtosupporttheunit’s
weight. Refer to Figure 3. Make sure the slab
is a minimum of 2" above the grade and in an
area that drains well (See Figure 6).
Rigging and Hoisting —The unit should be
lifted using slings and spreader bars. The
spreaderbarsarenecessarytopreventdamaging
the top of the unit’s cabinet. Make sure that the
liftingequipment is adequateforthe load. Refer
toFigure 3 for unit weights. Keep the unit in an
upright position at all times.
!WARNING:
To avoid the risk of property damage or
personal injury; it is the rigger’s
responsibility to insure that whatever
means are used to hoist the unit are
safe and adequate.
!
CAUTION:
All panels must be securely in place
when rigging and hoisting.
The rigging must be located outside the unit’s
center of gravity. Refer to Figure 3 for center of
gravity locations.
Rooftop —For rooftop installations use the
appropriate accessory roof curb and follow all
instructions included with it. Locate the unit
accordingtolocalbuildingcodesandordinances.
The curb must be level to insure proper
condensate drainage (See Figure 7).
Theroofmustbecapableofhandlingtheweight
of the unit. (See Figure 3) for unit weights.
Reinforce the roof if required.
AIR DUCTS
This unit is designed only for use with a
supply and return duct. Air ducts should be
installed in accordance with the standards of
the National Fire Protection Association
“Standard for Installation of Air Conditioning
Systems” (NFPA 90A), “Standard for
Installation of Residence Type Warm Air
HeatingandAirConditioningSystems”(NFPA
90B), and all applicable local codes.
Design the duct work according to methods
describedbytheNationalWarmAirHeatingand
AirConditioningAssociation(ACCA).Theducts
must be properly sized not to exceed .2" w.c.
pressure drop at 400 scfm per nominal ton of
cooling capacity.
Ductworkshould beattacheddirectlytotheunit
flangesforhorizontalapplications. Onroof curb
installations the ducts must be attached to the
curb hangers, not the unit.
UnconditionedSpaces—Allductworkpassing
through unconditioned space must be properly
insulated to minimize duct losses and prevent
condensation. Use insulation with an outer
vaporbarrier. Referto localcodesforinsulation
material requirements.

8
Acoustical Duct Work —Certain installations
may require the use of acoustical lining inside
thesupplyductwork. Acousticalinsulationmust
bein accordancewiththe currentrevisionof the
Sheet Metal and Air Conditioning Contractors
National Association (SMACNA) application
standard for duct liners. Duct lining must be UL
classified batts or blankets with a fire hazard
classification of FHC-25/50 or less. Fiber duct
workmaybe usedinplaceof internalductliners
if the fiber duct work is in accordance with the
current revision of the SMACNA construction
standard on fibrous glass ducts. Fibrous duct
workandinternalacousticalliningmustbeNFPA
Class 1 air ducts when tested per UL Standard
181 for Class 1 ducts.
Horizontal to Down flow Conversion —The
unit is shipped ready for horizontal duct
connections. If down flow ducts are required,
the unit must be converted following the steps
below for both the supply and return ducts.
1) Locatetheduct capinsidetheductopenings
and remove the screw holding it in place.
2) Lift the cap out of the unit. (The cap can be
pushed up from the bottom by reaching
through the fork slot).
3) Cover the horizontal duct opening with the
cap. Theinsulationwillbeontheindoorside.
4) Fasten the cover with screws and seal to
prevent air leakage.
Clearance —The Q4 Series is approved for 0
inch clearance.
Figure 6. Ground Level Installation
2"
Figure 7. Roof Top Installation
ELECTRICAL WIRING
General —Electrical power wiring must be
made in accordance with all applicable local
codes and ordinances, and with the current
revision of the National Electric Code NFPA 70
orinCanadaCSA C.22.1-CanadianElectrical
Code Part 1. If any of the original wire as
supplied with the unit must be replaced, it must
be replaced with material of the same gage and
temperature rating.
Line Voltage —Before proceeding with the
electrical connections, make certain that the
voltage, frequency, and phase of the supply
source are the same as those specified on the
unit rating plate. Also verify that the service
provided by the utility is sufficient to handle the
additional load imposed by this equipment.
!WARNING:
To avoid the risk of electrical shock,
personal injury, or death, disconnect
all electrical power to the unit before
performinganymaintenanceorservice.
The unit may have more than one
electrical power supply.
See Figure 8 or the unit wiring label for proper
high and low voltage wiring. Make all electrical
connections in accordance with all applicable
codes and ordinances.

9
Use a separate branch electrical circuit for this
unit. A means of electrical disconnect must be
located within sight of and readily accessibility
to the unit. Internally mounted circuit breakers
are available as field installed options. These
circuit breakers can be used as an electrical
disconnect.
Providepowersupply(orsupplies)fortheunitin
accordance with the unit wiring diagram, and
the unit rating plate. Connect the line-voltage
leads to the corresponding terminals on the
contactor (or the circuit breaker when the field
installedcircuitbreakerkits areused)insidethe
control compartment. Use only copper wire for
the line voltage power supply to this unit. Use
propercodeagencylistedconduitandaconduit
connectorforconnectingthesupplywirestothe
unit and for obtaining proper grounding.
Grounding may also be accomplished by using
the grounding lug provided in the control box.
!WARNING:
The unit cabinet must have and
uninterrupted or unbroken electrical
groundtominimizepersonalinjuryifan
electrical fault should occur. This
groundmayconsistofelectricalwireor
approved conduit when installed in
accordance with existing national or
local codes.
BlowerSpeed—Theblowerspeedispresetat
the factory for operation at the same speed for
heating and cooling. For optimum system
performance and comfort, it may be necessary
tochange thefactoryset speed. Tochangethe
blower speed:
1. Disconnect all electrical power to the unit
and remove the service panel.
2. Cut the wire tie holding the motor lead
bundle. See Figure 9 for detailed
information on the appropriate model and
speed desired.
3. If the desired heating blower speed is
differentthanthecoolingspeed,remove
and discard the jumper wire between
terminals#6and#4.ontheblowerrelay.
Place the desired heating blower speed
lead on terminal #6 and the desired
cooling blower speed lead on terminal
#4 of the blower relay. Use another wire
tie (field supplied) to bundle the
remaining motor leads.
!CAUTION:
To avoid personal injury or property
damage, make certain that the motor
leads cannot come into contact with
any uninsulated metal components of
the unit.
Check all factory wiring per the unit wiring
diagram and inspect the factory wiring
connections to be sure none loosened during
shipping or installation.
Low Voltage Connections
RoomThermostat—Severaloptionsareavail-
able for a room thermostat depending on the
accessories installed with the unit. The avail-
ablethermostatsrecommendedforusewiththe
Q4unitsare listedwiththeaccessoriesin Table
5. Select a thermostat which operates in con-
junction with the installed accessories. The
thermostat should be mounted about five feet
above the ground on an inside wall. The ther-
mostat should be kept away from drafts, slam-
mingdoors,lamps,directsunlight,orinlinewith
the supply air flow.
To install the thermostat:
1. Positionthesubbaseonaninsidewalland
mark the mounting holes and thermostat
cable openings.
2. Cut out the cable opening and route the
thermostatcablefromtheunit’slowvoltage
compartment to the thermostat location.
The thermostat cable is supplied by the
installer.
3. Connectthecableleadstothesubbaseor
thermostat terminals and to the unit’s low
voltage pigtails as shown in Figure 10. A
system wiring diagram is also provided on
the inside of the control panel cover and in
Figure 8 of these installation instructions.
4. Secure sub base or thermostat to the wall
usingscrewsprovidedwiththethermostat.
5. If sub base is used, install the correct
thermostat housing to sub base.
6. Refer to thermostat instruction sheet for
complete detailed mounting information.
Defrost Cycle Timer —Thedefrostcycletimer
controls the time interval of the hot gas defrost
after the defrost sensor closes. It is located in
the lower left corner of the defrost control board
onthelowvoltagesideofthecontrolbox. Three

10
interval settings are available: 30 minutes, 60
minutes,and90 minutes.Timesettingselection
is dependent on the climate where the unit is
being installed.
Example 1. Dry climate of Southern
Arizona. A 90 minute setting is
recommended.
Example 2. Moist climate of Seattle,
Washington. A 30 minute setting is
recommended.
Tosetthecycletimer,placethetimingpinonthe
defrostcontrol boardtothe desired timeinterval
post.
Note: Allunitsareshippedfrom thefactorywith
the default time setting of 30 minutes.
START UP AND SYSTEM CHECK
Pre-Start Check List
•Verify that the unit is level to allow proper
condensate drainage.
•Verify that there is free airflow to and from
the outdoor coil and that all clearance
requirements are met.
•Verifythattheductworkissealedtoprevent
air leakage.
•Verifythat thelinevoltage powerleadsare
securelyconnectedandtheunitisproperly
grounded.
•Verifythatthelowvoltagewiresaresecurely
connected to the correct leads on the low
voltage terminal strip.
Q4SA-048D & Q4SA-060D Blower Wiring
Figure 9. Motor Lead Connection
Q4SA-036D Blower Wiring
Blower Speed
Blower Leads Low Medium High
Red BR T3 TB T1 TB T2
Black BR T6 BR T6 BR T3
Gray BR T4 BR T4 BR T4
Blue TB T1 BR T3 TB T1
Violet BR T5 BR T5 BR T5
Blower Speed
Blower Leads Low Medium High
Red BR T3 TB T1 TB T2
Black BR T6 BR T6 BR T3
Gray BR T4 BR T4 BR T6
Blue TB T1 BR T3 BR T5
Violet TB T1 TB T2 TB T1
BR T( ) - Blower Relay Terminal (number)
TB T( ) - Terminal Block Terminal (number)
•Verify that all exterior panels are replaced
and securely fastened.
•Verify that the outdoor fan turns freely.
•Verify that the power supply branch circuit
overcurrent protection is sized properly.
•Verifythatthethermostatiswiredcorrectly.
The thermostat function switch should be
set to “Off’and the thermostat fan switch
should be set to “Auto.”
Start-Up Procedure
Close all electrical disconnects to energize the
system.
!WARNING:
If the unit is equipped with a crankcase
heater, allow 24 hours prior to
continuing the start up procedures to
allow for heating of the refrigerant
compressor crankcase. Failure to
complymayresultindamageandcould
cause premature failure of the system.
Thiswarningshouldbefollowedatinitial
start up and any time the power has
been removed for 12 hours or longer.
AirCirculation—Leavethethermostatsystem
switch set to “Off”and set the thermostat fan
switch to “On.”The blower motor should run
continuously. Check for air delivery at the
register(s). Ensurethattherearenoobstructions
attheregistersorintheductwork. Setthermostat
fan switch to “Auto.”
System Cooling
1. Setthethermostat systemswitchto“Cool”
and the thermostat fan switch to “Auto”.
Graduallylowerthethermostattemperature
switch below room temperature and
observe that the blower, compressor, and
fan energize. Check that air cooler than
room temperature is being discharged at
theregister.Listen for anyunusualnoises.
2. After allowing the unit to run for several
minutes,setthetemperatureselectorabove
roomtemperature.Thefanandcompressor
cycles off with the thermostat. The blower
shouldalso stopunless fanswitch isset to
“ON”position.
System Heating —Set the system thermostat
switch to HEAT and set the thermostat fan
switch to AUTO. Verify that the compressor,
outdoor fan, and blower are energized. Check
for warm air at the supply registers.

11
UNIT MAINTENANCE
!WARNING:
To avoid risk of electrical shock, personal
injury, or death, disconnect all electrical
power to the unit before performing any
maintenanceorservice.Theunitmayhave
more than one electrical supply.
Refrigerant Charging —The Q4 packaged
heatpumpsarefullychargedatthefactory. The
system refrigerant charge can be checked and
adjusted through the service ports provided in
thefrontpanel. Useonlygaugelineswhichhave
a “Schrader”depression device present to
actuatethevalve. Refrigerantchargingmustbe
done by qualified personnel familiar with safe
and environmentally responsible refrigerant
handling procedures.
!WARNING:
The Q4 Single Packaged Heat Pumps
areshippedfullychargedandreadyfor
installation. Whenasystemisinstalled
according to these instructions, no
refrigerant charging is required. If
repairs make it necessary for
evacuationandcharging,itshouldonly
bedonebyqualified,trainedpersonnel
thoroughlyfamiliarwiththisequipment.
Some local codes require licensed
installation/service personnel to
service this type of equipment. Under
no circumstances should the owner
attempt to install and/or service this
equipment. Failure to comply with this
warning could result in property
damage, personal injury, or death.
!CAUTION:
Use care when removing parts from
this unit. Personal injury can result
from sharp metal edges present in all
equipmentofsheetmetalconstruction.
Routine Maintenance —Proper maintenance
is important to achieve optimum performance
from the heat pump. The ability to properly
performmaintenanceonthisequipmentrequires
certainmechanicalskillsandtools. Ifyoudonot
possess these skills, contact your dealer for
maintenance. Consult your local dealer about
the availability of maintenance contracts. At a
minimum, routine maintenance should include
the following:
1. Inspect and clean or replace air filters at
the beginning of each heating and cooling
season, or more frequently if required.
2. Inspect the condensate drain and outdoor
coilatthebeginningofeachcoolingseason.
Removeanydebris. Cleantheoutdoorcoil
and louvers as necessary using a mild
detergent and water. Rinse thoroughly
with water.
3. Inspect the electrical connections for
tightness at the beginning of each heating
andcoolingseason. Serviceasnecessary.
!CAUTION:
The unit should never be operated
without a filter in the return air system.
Replacedisposablefilterswiththesame
type and size.

12
Typical Wiring (Field Supplied)
for 1-Stage Cool, 1-Stage Heat Typical Wiring (Field Supplied)
for 2-Stage Cool, 1-Stage Heat
Figure 10. Typical Thermostat Connection
E
O
G
R
Y1
1
2
3
4
5
6
7
8
9
Blue
ECONOMIZER
PLUG
INDOOR
THERMOSTAT
SUB-BASE
Green
FROM
BLOWER
RELAY
(Optional,Check
Thermostat
Instructions)
Y2
W2
W3
X
E
R
W2
O
Y
C
DEFROST
BOARD
E
O
G
R
Y1
1
2
3
4
5
6
7
8
9
Blue
ECONOMIZER
PLUG
INDOOR
THERMOSTAT
SUB-BASE
Green
FROM
BLOWER
RELAY
(Optional,Check
Thermostat
Instructions)
Y2
W2
W3
X
E
R
W2
O
Y
C
DEFROST
BOARD
External Static Pressure Drop - inches water column
Model Speed 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
Q4SA-036 High 1600 1510 1410 1310 1200 1070 930 760
Medium 1410 1330 1250 1150 1050 940 820 670
Low 1130 1070 1000 930 850 760 650 530
Q4SA-048 High 2200 2140 2070 2000 1930 1850 1770 1690
Medium 1940 1890 1830 1760 1700 1630 1560 1490
Low 1560 1510 1460 1410 1360 1310 1250 1200
Q4SA-060 High 2200 2140 2070 2000 1930 1850 1770 1690
Medium 1940 1890 1830 1760 1700 1630 1560 1490
Low 1560 1510 1460 1410 1360 1310 1250 1200
- Speed set at factory
Table 1. Q4 Blower Curves

13
Heat Pump in Heating
* Note: All pressures are listed in
psig. and all temperatures in deg. F. —Shaded Boxes indicate flooded conditions
—Rated Design Values. Suction Pressure will be lower than design value if indoor air
flow, entering dry bulb, or entering wet bulb temperatures are lower than design.
—Discharge temperatures greater than charted values indicates a refrigerant
undercharge.
Table 2. Q4SA Heating Charging Charts
Q4SA-036
OUTDOOR TEMPERATURE (°F)
0 102030405060
Suc.
Press. Disch. Press. Disch. Temp. Suc. Press. Disch. Press. Disch. Temp. Suc. Press. Disch. Press. Disch. Temp. Suc. Press.
Disch.
Press. Disch. Temp. Suc. Press.
Disch.
Press. Disch. Temp. Suc. Press. Disch. Press. Disch. Temp. Suc. Press. Disch. Press. Disch. Temp.
17 123 138 22 135 138 27 146 138 32 158 137 41 164 149 54 190 171 67 215 194
18 130 136 23 141 136 28 151 136 33 161 135 42 171 146 55 197 167 68 222 187
19 137 134 24 147 134 29 156 134 34 165 133 43 178 143 56 204 162 69 229 181
20 144 132 25 152 132 30 161 132 35 169 131 44 185 140 57 211 158 70 236 175
21 151 130 26 158 130 31 165 130 36 172 129 45 192 137 58 218 153 71 243 169
22 158 128 27 164 128 32 170 128 37 176 127 46 199 134 59 225 149 72 250 163
23 165 126 28 170 126 33 175 126 38 180 125 47 206 132 60 232 144 73 257 157
Q4SA-048
OUTDOOR TEMPERATURE (°F)
0 102030405060
Suc.
Press. Disch. Press. Disch. Temp. Suc. Press. Disch. Press. Disch. Temp. Suc. Press. Disch. Press. Disch. Temp. Suc. Press.
Disch.
Press. Disch. Temp. Suc. Press. Disch. Press. Disch. Temp. Suc. Press. Disch. Press. Disch. Temp. Suc. Press. Disch. Press. Disch. Temp.
14 129 134 20 143 135 25 158 135 31 172 136 39 178 141 51 200 152 62 222 162
15 136 132 21 149 133 26 162 133 32 175 134 40 185 138 52 207 147 63 229 156
16 143 130 22 155 131 27 167 131 33 179 132 41 192 136 53 214 143 64 236 150
17 150 128 23 161 129 28 172 129 34 183 130 42 199 133 54 221 138 65 243 144
18 157 126 24 167 127 29 177 127 35 186 128 43 206 130 55 228 134 66 250 137
19 164 124 25 173 125 30 181 125 36 190 126 44 213 127 56 235 129 67 257 131
20 171 122 26 179 123 31 186 123 37 194 124 45 220 124 57 242 125 68 264 125

14 Table 2a. Q4SA Heating Charging Charts
Heat Pump in Heating
* Note: All pressures are listed in
psig. and all temperatures in deg. F. —Shaded Boxes indicate flooded conditions
—Rated Design Values. Suction Pressure will be lower than design value if indoor air
flow, entering dry bulb, or entering wet bulb temperatures are lower than design.
—Discharge temperatures greater than charted values indicates a refrigerant
undercharge.
Q4SA-060
OUTDOOR TEMPERATURE (°F)
0 102030405060
Suc.
Press. Disch. Press. Disch. Temp. Suc. Press. Disch. Press. Disch. Temp. Suc. Press. Disch. Press. Disch. Temp. Suc. Press.
Disch.
Press. Disch. Temp. Suc. Press. Disch. Press. Disch. Temp. Suc. Press. Disch. Press. Disch. Temp. Suc. Press. Disch. Press. Disch. Temp.
12 122 126 19 139 127 26 156 127 33 172 128 41 179 135 51 199 148 61 220 161
13 129 124 20 145 125 27 160 125 34 176 126 42 186 132 52 206 143 62 227 155
14 136 122 21 151 123 28 165 123 35 180 124 43 193 129 53 213 139 63 234 149
15 143 120 22 156 121 29 170 121 36 183 122 44 200 126 54 220 134 64 241 143
16 150 118 23 162 119 30 175 119 37 187 120 45 207 123 55 227 130 65 248 136
17 157 116 24 168 117 31 179 117 38 191 118 46 214 120 56 234 125 66 255 130
18 164 114 25 174 115 32 184 115 39 194 116 47 221 118 57 241 121 67 262 124

15
Q4SA-036 OUTDOOR TEMPERATURE ( °F )
70 75 80 85 90 95 100 105
Suct.
Pres. Disch. Pres. Disch. Temp. Disch. Pres. Disch. Temp. Disch. Pres. Disch. Temp. Disch. Pres. Disch. Temp. Disch. Pres. Disch. Temp. Disch. Pres. Disch. Temp. Disch. Pres. Disch. Temp. Disch. Pres. Disch. Temp.
72 189 153
74 190 167 204 158
76 190 184 205 170 219 158 230 155 242 156
78 191 201 206 184 221 172 234 160 245 164 256 160
80 192 218 208 198 222 185 236 172 249 170 260 166 271 163
82 209 213 224 198 238 187 252 178 265 171 275 169 286 167
84 226 210 240 198 254 189 267 181 280 175 291 173
86 256 200 269 191 282 184 295 178
88 285 194 298 187
90 287 203 300 196
92 303 205
Q4SA-048 OUTDOOR TEMPERATURE ( °F )
70 75 80 85 90 95 100 105
Suct.
Pres. Disch. Pres. Disch. Temp. Disch. Pres. Disch. Temp. Disch. Pres. Disch. Temp. Disch. Pres. Disch. Temp. Disch. Pres. Disch. Temp. Disch. Pres. Disch. Temp. Disch. Pres. Disch. Temp. Disch. Pres. Disch. Temp.
68 188 122
70 191 123 204 135
72 192 140 207 139 222 137 234 146 248 152
74 192 157 208 154 224 151 239 147 252 160 266 160
76 193 174 210 168 226 164 241 160 257 164 270 166 284 167
78 211 182 227 177 243 174 259 172 274 171 288 173 302 174
80 229 190 245 185 261 183 276 181 292 180 307 180
82 263 193 279 191 294 189 310 188
84 297 199 312 197
86 299 208 315 206
88 317 215
Table 3. Q4SA Cooling Charging Charts
Heat Pump in Cooling
* Note: All pressures are listed in
psig. and all temperatures in deg. F. —Shaded Boxes indicate flooded conditions
—Rated Design Values. Suction Pressure will be lower than design value if indoor air
flow, entering dry bulb, or entering wet bulb temperatures are lower than design.
—Discharge temperatures greater than charted values indicates a refrigerant
undercharge.

16
Q4SA-060 OUTDOOR TEMPERATURE ( °F )
70 75 80 85 90 95 100 105
Suct.
Pres. Disch. Pres. Disch. Temp. Disch. Pres. Disch. Temp. Disch. Pres. Disch. Temp. Disch. Pres. Disch. Temp. Disch. Pres. Disch. Temp. Disch. Pres. Disch. Temp. Disch. Pres. Disch. Temp. Disch. Pres. Disch. Temp.
68 192 157
70 193 165 208 164
72 194 182 210 172 226 164 239 165 252 167
74 195 199 211 187 227 178 243 168 256 175 269 171
76 195 216 213 201 229 191 245 181 260 180 273 178 287 175
78 214 215 231 204 247 195 262 188 278 183 291 181 304 179
80 232 216 249 207 265 199 280 193 295 188 309 185
82 267 210 282 203 298 197 313 192
84 300 206 315 201
86 303 216 318 210
88 320 219
Table 3a. Q4SA Cooling Charging Charts
Heat Pump in Cooling
* Note: All pressures are listed in
psig. and all temperatures in deg. F. —Shaded Boxes indicate flooded conditions
—Rated Design Values. Suction Pressure will be lower than design value if indoor air
flow, entering dry bulb, or entering wet bulb temperatures are lower than design.
—Discharge temperatures greater than charted values indicates a refrigerant
undercharge.

17
Q4 ACCESSORIES
Description Part Number
Roof Curb (8") 547830
Roof Curb (14") 547831
Manual Fresh Air Damper 547832
Economizer, downflow 547833
Supply/return transition, 16" 547834
Supply/return transition, 18" 547835
Concentric diffuser, flush, 16" 547836
Concentric diffuser, flush, 18" 547837
Concentric diffuser, step down 16" 547838
Concentric diffuser, step down 18" 547839
Motorized Fresh Air Damper 547840
Economizer, horizontal (special order) 547841
Power Exhaust, downflow economizer (special order) 547842
Power Exhaust horizontal economizer (special order) 547843
Hail guard 30x76 (special order, see Note 1) 547845
Hail guard 34x76 (special order, see Note 2) 547846
Filter Kit, Downflow (See Note 1) 547887
Filter Kit, Downflow (See Note 2) 547888
Filter Rack, Downflow 547885
T-stat, HP, 2 stage htg/1 stage cool, auto, ("M" brand) 912931
T-stat, HP, 2 stage htg/1 stage cool, auto, ("I" brand) 912929
T-stat, HP, 2 stage htg/1 stage cool, manual, ("M" brand) 912932
T-stat, HP, 2 stage htg/1 stage cool, manual, ("I" brand) 912930
T-stat, AC, 2 stage htg/1 stage cool, ("T, P, F" brand) 917004
T-stat, HP, 2 stage htg/1 stage cool, ("T, P, F" brand) 917005
12" Flex duct adapter kit 913811
14" Flex duct adapter kit 913812
12" Flex duct adapter kit & P-Trap 913813
14" Flex duct adapter kit & P-Trap 913814
Universal Hard Start Kit 912933
Low Pressure Switch Kit 913551
High Pressure Switch Kit 913550
Low Ambient Kit 913770
P-Trap Kit 913810
Outdoor Thermostat Kit 913852
Circuit Breaker Kit-Single Phase 913554
Circuit Breaker Kit-Three Phase 913740
4-pole single circuit adapter kit (Single Phase Units Only) 913350
6-pole single circuit adapter kit (Single Phase Units Only) 913556
Note 1: Q4SA-036( )
Note 2: Q4SA-048( ), Q4SA-060( ), Q4SC-036( )
Note 3: Q4SC-048K, Q4SC-060K
Table 4. Field Installed Accessory Kits

18
Convertible Packaged Heat Pump 460 Volt Three Phase 60Hz
NNOTES:
1. Disconnect all power before servicing.
2. For supply connections use copper conductors only.
3. If any of the original wire as supplied with the furnace must be replaced, it must be
replaced with wiring material having a temperature rating of at least 105°C.
4. For supply wire ampacities and overcurrent protection, see unit rating plate.
1. Couper le courant avant de faire letretien.
2. Employez uniquement des conducteurs
en cuivre.
Figure 8. Single Phase Wiring Diagram

INSTALLER:
PLEASE LEAVE THESE
INSTALLATION INSTRUCTIONS
WITH THE HOMEOWNER.
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¢707885W¤
707885ASt. Louis, MO
707885A (Replaces 7078850)
Specifications and illustrations
subject to change without notice and
without incurring obligations. (6/00)