Greenheck Vari-Green 309028 User manual

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mith, Marie
BDJM -O&M
BDJM - O&M ection 1.pdf
Last emails, containing the 3 sections of the Owner's Manuals for BDJM . of 3
Diana I. McNeil, AlA. LEEDAP
onstruction ervices - Senior Project/Program Manager
147Charter Oak Avenue, Hartford, CT06106
Phone: 860.524.407 Cell: 860.508. 502
[email protected] Iwww.crecconstruction.org
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~~:~~.~",:s()lvt[6riS
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CREC's Privacy Officer, at (860) 289-8 3 or [email protected], or Doug Casey, CREC's Security Officer, at [phone] or [email protected].
1
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~

ABLE OF CON EN S
SECTION 1
SECTION 2
SECTION 3
VARI-GREEN MOTORAND CONTROLS
INSTALLATION OPERATION / MAINTENANCE
PRODUCTSPECIFICATION GUIDE
GREEHECK CENTRIFUGAL SIDEWALL EXHAUST FANS
INSTALLATION / OPERATION / MAINTENANCE
PRODUCT SPECifiCATION GUIDE
GREEHECKCENTRIFUGAL SIDEWALL EXHAUSTFANS
PERFORMANCE DATA
SUBMITIAL
I
!
I

B.GREENHECK
8l uilding Value in Air.
ocument 473681
Vari-Green@Motor and Controls
nstallation, Operation and Maintenance Manual
Please read and save these instructions for future reference. Read carefully before attempting to assemble,
Install, operate or maintain the product described. Protect yourself and others by observing all safety
information. Failure to comply with instructions could result in personal InJuryand/or property damagel
Table of Contents
eference part number listed in chart to locate specific motor
information page number.
::~~;"I ~~~~.e L;:;g~ JE~~I.J .,F~,
I ontrol : MDtDr I P "
Method ;. Part No. g.,,(
3.1 0-10V Only 311352 2
1/6 115 300-1725 TENV 3.1 PotORly 311353 2
311731 3
3.4 Pot/O-l0V 312359 3
1/6 208-240 300.1725 TENV 1.6 Pot/0-1OV 313233 3
3.9 OolOVOnly 310107 2
1/4 115 300-1725 OOP 3.9 Pot Only 310108 2
3.7 POtlO-1OV 311377 3
1/4 115/ 300-1725 OOP 3.3/1.8 PotIO-1OV 310175 6
208.240
1/4 208.240 300-1725 OOP 2.3 PatIO-1OV 313234 3
6.2 OO10VOnly 309025 2
1/2 115 300-1725 OOP 6.2 Pot Only 309028 2
6.7 Pot/0.l0V 311812 3
1/2 115/ 300-1725 OOP
6.813.5
POt/0-l0V 310176 6
208-240
1/2 208-240 300.1725 OOP 4.2 PatIO-l0V 313235 3
6.5 0-10VOnly 310307 2
1/2 115 300.2500. OOP 6.5 Pot Only 310476 2
6.5 PotlO-1OV 312360 3
10.1 OolOV Only 309026 2
10.1 Pot Only 309029 2
314 115 300.1725 OOP 311388 3
10.6 PotIO-1OV 312619 3
3/4 115/ 300-1725 OOP 9.014.9 POtlO-1OV 310177 6
208-240
3/4 208-240 300-1725 OOP 6.6 PotIO-1OV 314534 3
11.3 OolOVOnly 310306 2
3/4 115 300-2200 OOP 11.3 Pot Only 310475 2
11.3 Pot/O-l0V 312361 3
310359 3
1 115 300-1725 OOP 12.4 PotIOolOV 312362 3
1115/ 300-1725 OOP 11.4/6.3 PotlO-1OV 310178 6
208-240
1115/ 300-1725 TEF 12.016.0 PotlO-l0V 311156 4
208-240
1208-240 301J.1725 OOP 8.6 PotlO-l0V 314945 3
2208-240 300-1725
TEFC
12.0 PotIOolOV 310420 4
"Actual maximum RPM may vary. See RPM column in chart on
pg. 10 for specific motor and fan combinations.
Controls .....•.•••..••.........•.•....... 7-9
Maximum RPM Table .....•.....•.••........ 10
Vari-Green~ Motor
The Vari-Green Motor is an electronically commutated
(EC)motor that uses AC input power and internally
converts it to a C power supply which provides an
80% turndown capability and increased energy savings.
NOTE
When using a clamp meter to measure input amp
draw, the meter must be capable of reading a
non-linear current. Erroneous readings will occur
otherwise.
WARNING
To reduce the risk of fire or electric shock,
do not use this motor with any solid-state speed
control device.

' \

Operation and Wiring
• Potentiometer Dial Only
309028
311353
These motors feature a potentiometer dial on the motor
for speed adjustment. A small screwdriver can be used
to make the speed adjustment. To increase the speed,
rotate the dial clockwise. To decrease the speed, rotate
the dial counter clockwise.
The motor is pre-wired at the factory and cannot be
changed inside the motor. Connect single-phase power
at the voltage listed on the nameplate.
These motors cannot be converted to receive a remote
control signal - a different motor is needed. Please
consult the factory.
Operation and Wiring
• 0-10V Input Only
309025
311352
These motors will accept a 0-10 DC control signal for
speed control. rom 0-1.9 , the motor will be off, and
will operate in the 2-10 range. 24 AC/DC power is
also required for operation. The motor will consume
O.7 A at 24 AC or 25mA at 24 DC. A factory mounted
transformer is available to supply this voltage. See ig. 1
The motor is pre-wired at the factory and cannot be
changed inside the motor. Connect single-phase power
at the voltage listed on the nameplate, along with the
0-10 DC and 24 signal for speed control.
NOTE:The motor will not operate without the proper
control voltages.
eatures, Operation,
Wiring and Troubleshooting
eatures
Soft start - All motors
feature soft-start
technology which
eliminates inrush
current at start-
up. The motors will
reliably start at any
speed setting.
Overload protection - If the motor becomes
overloaded, it will automatically reduce its speed until it
is no longer overloaded. This means that the motor will
never operate in the "service factor" which is possible
with many AC motors.
Locked rotor protection - If the motor ever encounters
a locked-rotor scenario, the motor will automatically
shut itself down. It will try to restart up to 3 times, and if
after the 3rd time the motor will still not rotate, the motor
will not attempt to start again until power is cycled.
Thermal protection - The motors have a one-shot
fuse thermal protector. This is meant to protect the
motor from a severe temperature rise. With the motor
controller's ability to software limit the speed, the fuse
is used as a last resort to prevent a fire.
RPM measurement - The motors have a small shaft
extension on the end of the motor to measure motor
RPM with either a contact or optical tachometer.
Transformer Assembly
ig. 1 0-10 VDC External connection with factory mounted transformer
2X4
JUNCTION
B X
ARIOGR~
tREEN INDICATOR UGHT
-POWER PRESENT
• I
115/230 'lAC INPlIT
TO MATCH MOTOR NAME PLATE
TRANS ORMER
_______ nELOWfRtNG
LOW VOLTAGE. ROUTt AWAY
rROM HIGH VOLTAGE UNES
AND/OR USE SHIELDED CABLE
------ FACTORY WlRINC
TO REMOTE DEVICE
PROVIDED BY
THERS
f1f.

peration and Wiring
- Potentiometer Dial and 0-10V Input
These motors have both a potentiometer dial on the
motor for speed adjustment AND have the ability to
accept a 0-10 VDC signal for remote speed control.
There is a 4 second delay between the application of
power and the motor starting.
The motor is pre-wired at the factory and cannot be
changed inside the motor. Connect single-phase power
at the voltage listed on the nameplate. If remote control
is desired. connect the 0-10 VDC and 24V signal for
remote speed control.
Dial on motor - A small screwdriver can be used to
make the speed adjustment. To increase the speed.
rotate the dial clockwise. To decrease the speed, rotate
the dial counter clockwise. There is no need to connect
the control wires.
0-10 VDC signal- The dial on the motor must be
rotated fully clockwise to achieve the full speed range.
If this is not done, the dial will act as a maximum
speed limiter.
From 0-1.9V. the motor will be off. and will operate in
the 2-10V range. 24 VAC/DC power is also required for
operation. The motor will consume 0.7VA at 24 VAC
or 25mA at 24 VDC. A factory mounted transformer is
available to supply this voltage. See Fig. 1
Troubleshooting
Motor does not operate
1. Check all wiring connections to ensure they are
correct and secure.
2. Verify that all voltages are present at the motor,
including 24V and 0-10 VDC. if applicable.
3. Make sure that the fan wheel will rotate freely and
there are no foreign objects in the wheel. If fan wheel
does not rotate freely, disconnect power from the
motor and adjust the wheel or housing until the
wheel can freely rotate. Apply power and the motor
should restart.
4. If motor has both the dial on the motor and 0-10 VDC
control option. control wiring issues can be tested
by disconnecting the control wires from the motor.
The motor should then operate using the dial on the
motor for speed control.
Motor will not reach maximum speed
1. Make sure dial is rotated full clockwise, if applicable.
2. Make sure motor is receiving 10 VDC, if applicable.
A low voltage wiring harness is needed to supply the
0-10V signal to the motor. This harness is available from
the factory if conversion is necessary.
Low Voltage Harness Part Numbers
~
3-pin 311731.310359 384431 384432
312359.311377,
311812.311388.
312360.312361,
9-pin 312362,312619, 384804 384805
313233.313234.
313235.314534,
314945
N TE
The 9-pin connector on the motor contains 6 wires.
The red. black and white wires are used for the
external control signal and the other three are used for
factory initialization and programing.
..;./,~, U;,.'~', :"10v:,'Ail'ilog;lnput;conne<;tlon ','.
Red + 0-10 VDC
White Common-
Black +24 VAC/DC
-Common is shared between both 24V power
and 0-10V signal.
The impedance of 0-10V circuit is 12K
3. There are some motor/fan combinations
where the motor may not reach nameplate
RPM. See Max RPM table on page 10 for the
maximum motor speed for your application.
Factory Mounted Transformer (Fig. 1)
A factory mounted transformer is available to
supply 24 VDC power to the motor when the
0-10V signal is by others. This transformer has
the capability to power a remote device if desired.
The power available to a remote device is 400mA
at 24 VDC. If the remote device is powered by
a different source. connect the analog output to
the 0-10V and C M terminals of the transformer.
This will pass the signal through to the motor.
WARNING
Do not connect an external 24V supply to the
transformer's control terminal labeled 24V. If the
external device providing the 0-1 Vsignal is powered
elsewhere, this terminal can remain unused.
]j

115V Connection inside control box
' .
.
... .;;'.Oitpx'ArialcijJ ....lriput
con.,e'ct.qn
'.::';f:;:',_~,:~,'\'
Red +0-10 VDC
White Ground
".I~
t
Pl0
pin 1
,010_
t
Pl0
pin 1
Wiring
1. All high and low voltage wiring connections are made
inside the motor control box at the factory. Normally,
there is no reason to enter the control box of the
motor. If there is a need to enter the control box.
disconnect power and wait at least five minutes to
allow the capacitors to discharge.
2. The motors are factory wired for the ordered voltage.
If the factory wired voltage does not match the
desired voltage, the voltage can be changed, with
exception of the 2HP motor (310420), which is
208-240V only.
115V: Connect 115 VAC to L1, connect Neutral to N.
The L2 terminal remains empty. Connect ground to
grounding stud.
208-240V - Connect Line voltage to L1 and L2. The
N terminal remains empty. Connect the ground to the
grounding stud.
eatures
Speed control -
These motors can
be controlled by
either a dial on the
motor or a 0-10 VDC
signal for remote control.
Soft start - All motors feature soft-start technology
which eliminates inrush current at start-up. The motors
will reliably start at any speed setting. There will be up
to a 30 second delay between the application of power
and the motor starting.
Overload protection - If the motor becomes
overloaded, it will automatically shut itself down. The
maximum programed motor speeds have been selected
to prevent this from happening in normal operation.
Locked rotor protection - If the motor encounters a
locked-rotor scenario, it will automatically shut itself
down. It will try to restart up to 3 times, and if after the
3rd time the motor will still not rotate, the motor will not
attempt to start again until power is cycled.
Thermal protection - The motors have an automatic
reset thermal protector. This is meant to protect the
motor from a severe temperature rise.
RPM measurement - The motor RPM can be
measured by removing the cooling fan cover and using
a contact or optical tachometer. Be sure to replace the
cooling fan cover when finished.
Reversible rotation - The motor direction has been
pre-set at the factory for the rotation of the fan but can
be reversed if necessary.
Operation and Wiring
These motors can be controlled by either a dial on the
motor or a 0-10 VDC signal for remote control. The
motor will be supplied from the factory with the correct
accessory depending on what was ordered.
Dial on Motor - Turn the dial with your fingers to adjust.
To increase the speed, rotate the dial clockwise. To
decrease the speed, rotate the dial counter clockwise.
Turning the dial full CCW will turn the motor off.
0-10 VDC 5lgnal- rom 0-1.9V, the motor will be off,
and will operate in the 2-1OVrange. This motor does not
require 24V power for operation.
208-240V Connection inside control box
fj

Rotation selection wires Inside control box
0-10 V C Signal connection inside control box
Number of Blinks . Indicated Fault ...
2 Overcurrent
3Overvoltage
4Undervoltage
5
Communication Error
6
Sync Loss
7 Spin Fault
8
Motor overload
9Motor Over Temperature
Troubleshooting
These motors have a diagnostic red LE on the circuit
board inside the control box, or on the exterior of the
control box, that will be solid (not flashing) when power
is applied to the motor and the motor is operating
normally. The LE may be solid even if the motor is not
spinning, such as when power is applied but the motor
may be commanded to be off with a 0-1.9V V C signal.
1. If external LE is not present, to view the status of
the LE the control box cover must be removed
while power is applied to the motor. If the control
box cover is removed while power is applied,
extreme care must be taken not to touch any of the
components inside the box.
a. If a fault occurs, the LE will blink a specific
number of times to identify the fault that has
occurred. The fault indications are as follows:
3. When the LE is blinking, it will consecutively blink
from 2 to 9 times, followed by a pause, and repeat
the blink sequence. It is best to count the number
of flashes 2 or 3 times to ensure accuracy.
4. Under most fault conditions the motor will
automatically restart. If a motor overload fault occurs
more then 10 times in one hour, the motor will shut
down and require a power cycle to reset.
5. If the fault persists, consult the factory.
Motor does not operate
1. Verify the motor is wired for the correct voltage.
2. Verify that the dial on the motor is properly
connected to the control board - or - verify that
the 0-10 V C wires are properly connected to the
control board.
3. Verify that the Status LE is solid red.
4. Verify that a jumper is in place between terminals
9 and 10. The motor will not run without this jumper
in place.
5. Verify that the two yellow wires coming from the
motor are in place on terminals 5 and 6.
POTENTIOMETER
1 12V
ANGl
3 GN
4 ANG2
5 DGND
6 lGX 1
7 lGX
8 LGX3
9 LGX4
10 GN Pl0
RED
WHITE
BLACK
YELlOW
YEllOW
EXTERNAL 0.10V
1 12V
RE 2 ANG 1
WHITE 3 DGND
4 ANG2
YEllOW ~ 5 DGND
YEllOW ~ 6 lGX 1
7 lGX
8 LGX3
9 lGX4
10 DGND Pl0
ial on motor - the dial
is factory-wired into the
low voltage terminal block
inside the control box.
The wires are connected
as shown.
ial on motor connection inside control box
0-10 V C Signal- a two-wire
pigtail is factory-wired into the
low voltage terminal block.
The wires are connected
as shown.
If the motor needs to be tested before the 0-10 V C
signal is available, a jumper can be placed between
terminals 1 and 2. This will force the motor to run at
full speed.
Motor Rotation
To reverse the rotation of the motor, swap any two of
the red, black and blue wires connecting the control
board to the motor at terminals T1, T2 and T3. Note
that motor warranty is void if motor is rotating in the
wrong direction. See fan instruction manual for correct
rotation direction.
]J

0-10 VDC Signal- rom 0-1.9V, the motor will be off,
and will operate within the 2-1OVrange. This motor
does not require 24V power for operation. or 0-1OV
operation, a 16-pin connector with two wires connected
to pins 8 and 16 is required. (18 in. #384822 •
36 in. #384821)
Wiring
A power cord with a 5-pln connector is required and
is shipped with the motor. A different cord assembly is
needed depending on the desired voltage:
115V -18 in. #384824 • 36 in. #384823
208-230V - 18 in. #384826 • 36 in. #384825
eatures
Speed control -
These motors can
be controlled by
either the dial on the
motor or a 0-10 VDC signal for remote control.
Soft start - All motors feature soft-start technology
which eliminates inrush current at start-up. The motors
will reliably start at any speed setting. There will be a 4
second delay between the application of power and the
motor starting.
Overload protection - If the motor becomes
overloaded, it will automatically reduce its speed until
it is no longer overloaded. This prevents the motor
from operating in the "service factor" should the motor
be misapplied.
Locked rotor protection - If the motor ever encounters
a locked-rotor scenario, the motor will automatically
shut itself down. It will try to restart up to 3 times, and if
after the 3rd time the motor will still not rotate, the motor
will not attempt to start again until power is cycled.
Thermal protection - The motors have electronic
thermal protection. If the motor temperature exceeds
its limits, it will slow itself down until the temperatures
have dropped.
Operation and Wiring
These motors can be controlled by either the dial on
the motor or a 0-10 VDC signal for remote control.
The motor will be supplied from the factory with the
correct accessory depending on what control option
was ordered.
Dial on Motor - Turnthe dial with your fingers to adjust.
Toincrease the speed, rotate the dial clockwise. To
decrease the speed, rotate the dial counter-clockwise.
Turning the dial full CCW will turn the motor off. A 16-pin
connector with two jumper wires must be installed for
the dial to function. pin 384962) See image below.
l1I.

ontrols: Operation,
Wiring and Troubleshooting
Remote DiaifTouch Remote and
2-Speed ontrol
Other Vari-Greenl!>controls, such as the onstant
Pressure and Air Quality families of controls, have their
own manual that ship with the controller. They can also
be found on Greenheck.com. See table on page 9 for
document numbers.
X4
JUN TION
BOX
ARIOGR~.
GREW INDI ATOR LIGHT
-POWER PRESEIH
TRANSFORMER
I-
OM--- -
12',----
"1----
I I D •• IOV
,
o
------- FIELD WIRING
------ rA TORv WIRIN
REMOTE DIAL/
TOU H REMOTE
Remote DiallTouch Remote Assembly
I..
115/230 VA INPUT
TO MAT H MOTOR NAlAE PLATE
Remote Dial
Installation Overview: The remote dial is provided
with the fan, shipped loose for remote installation.
It also includes a factory mounted 24 VD transformer.
1. Disconnect power to the fan.
2. Identify where the remote dial will be mounted.
3. Mount a standard single-gang 2x4 junction box.
4. Run a 3-wire control cable from the remote dial
to the fan motor compartment. The maximum
distance from the fan to the remote dial is 100 feet.
If a greater distance is required, signal loss may
occur and cause the fan to operate erratically.
5. onnect control cable to transformer mounted
inside fan motor compartment. onnect control
cable to remote dial.
6. Secure remote dial to 2x4 junction box.
Touch Remote
Follow installation instructions above. After Power is
applied to the system, operate as follows:
1. Touch power button to turn fan on.
2. Touch UP/DOWN arrow to increase/decrease speed.
3. Subsequent touches of the power button will start
the countdown timer of 90, 60, 30 or 10 minutes.
4. LED's will turn off after a periods of inactivity.
5. To lock/unlock buttons, hold the UP and DOWN
arrows for 3 seconds. When locked, the power
button will light up red.
---------------
---------------
AUTION
Even though the motor may not be operating,
high voltage power may still be present at the motor.
Make sure to disconnect power to the fan before
servicing.
Troubleshooting - Remote Dial Touch
Remote
Remote Dial does not adjust motor RPM
1. heck voltage to ensure the motor and transformer
are receiving the correct line voltage.
2. heck voltage at the remote dial. 24 VD should
be present across the 24V and OM terminals.
0-10 VD should be present across the 0-10Vand
OM terminals.
3. Verify all of the connections at the transformer and
make certain that they are secure.
4. Touch remote: Verify that the touch remote is
unlocked.
,
....•TenTIinal~i .•. 't/
.
"',
..Desired Voltage
"
24V- OM 24 VD Nominal
0-10V- OM 0-10 VD
(varieswith dial position)
1J.

wo Speed ssembly
----_._----------
--.-._---------_._-
SPO
WITCH/RElAY
BY OTHER
~
lOW \iOlTACE ls.tOV)." .ROUTE. AWAY
FROM HIGH VOlTACE UNE
.AND/OR U E HIElDrO CA U:
I ~ 100" ORU:
115/230 YAC INPU
O MA CH MO OR N"ME~ E
fACTORY' WIRING
-'- - - - ••. -' - F1ElO WIRrNC
ARIOo~
Tr'oubleshooting • Two Speed
1. Check all wiring connections to ensure they are
correct and secure. '
2. Verify AC line voltage , present at the motor and
2~speed control., .
3. Verify24V AC is present at the 24V and COM
termin~lIsof the "Motor" terminal block.
4. Measure DC voltage between the 0-10V and COM
terminals of the "Motor" terminal block. his voltage
should match the dial position ot the active dial.
a:, If using dry contact input - ensure contact closure
is connecting the proper terminals.
b. If using AC digital input - disconnect connector
trom2-speedcontrol and measure voltage
between L1 and Neutral or L2 and Neutral.
L-
wo Speed
Installation Overview: he two speed control is factory
mounted to the fan and may be set to provide any
two speeds the application requires. It also includes a
24 VAC transformer which has a dual voltage primary
(115/230V), selectable .viaa switch on the housing
near the power cable. he voltage will be factory se,tto
match the motor vOltage;
1. A green LED will be illuminated when the 2-speed
control is powered.
2. here are two methods of toggling between speed A
and speed 8:
a. Dry contact input - this utilizes an external
switching device such as a relay or SPO switch
to toggle between the two speeds.
• Connect terminal "A" to "COM" for speed A.
• Connect terminal "8" to "COM" for speed 8.
If no contact is made between either terminal. the
motor will be off.
b. AC Digital input - this input allows an AC voltage
signal to be fed directly into the2~speed control
to change speeds.
• Send 115-230V AC to L1 OR L2 for speed 8.
• Send 115~230VAC to L1 AND L2 for speed A.
If no voltage is applied to either terminal, the
motor will be off.
c. DO NO CONNEC 80 H DRY CON AC AND
DIGI ALINPU S SIMUL ANEOUSLY.
3. otest fan operation before the external control
devices are installed, a jumper wire can be
connected between the COM and A or 8 terminal on
the dry contact input fortan operation. '
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