FSFXXAOA1180: Installation and User Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
8
Connection to the AHU
IMPORTANT:
Control interface of AHU systems may vary. Please contact your AHU supplier for any installation involving alternate wiring
electrical specifications.
A200602
Connection to the Supply Fan Optional Wall Control
A200603
HOW TO TEST THE UNIT
After the unit has been installed, the low voltage connection has been
made, and the ducts and hoods have been installed, the airflow can be
tested. To do so:
1. Open the unit's door and take note of the unit's Run time % setting.
2. If connected to the ducting of an AHU, turn the AHU OFF while
measuring the airflow.
3. Turn the Run time % button in the "Test" position and close the
door.
4. Wait until the booting sequence is done (at least 45 seconds).
5. Remove the test port cap located on the port on the intake side of
the unit (closest to the filter).
6. Test the airflow using a Pitot tube. The distance between the test
port and VD0472 the center of the duct is 3.75 inches.
7. Put the cap back on the test port.
8. Set the Run time % button back to its previous setting.
A200604
WARNING
!
SHOCK HAZARD
Risk of electric shock. Electrical wiring must be done by qualified personnel in accordance with all applicable codes and standards. Before
connecting wires, switch power off at service panel and lock service disconnecting means to prevent power from being switched on accidentally.
Not synchronized:
g
Y
W
G
F
G
R
C
COM
NC
NO
Internal
Logic
Supply Fan
System
Y
W
G
R
C
Y W G R C
Thermostat
Optional Installation Wiring
Supply Fan Hard Connections
AHU
J4
Mandatory Installation Wiring
Synchronized: Start AHU blower when supply fan is running
Y
W
G
F
G
R
C
COM
NC
NO
Internal
Logic
Supply Fan
System
J4
120VAC
24VAC
Transformer
Line
Neutral
24VAC
Y
W
G
F
G
R
C
COM
NC
NO
Internal
Logic
Supply Fan
System
Y
W
G
R
C
Y W G R C
Thermostat
AHU
J4
