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MODEL 8145NC – TEST MODE
After all ducting and wiring is complete, plug in the ventilator, restore power to the HVAC system and make sure the switch controlling the outlet into
which the ventilator is plugged (if applicable) is turned on .
1. Use the installed control to complete a circuit between the VENT terminals on the 8145NC .
2. Verify that the ventilator blower starts and that the integral damper opens .
3. If the ventilator has been wired to turn on the HVAC blower with ventilation, verify that the blower is on .
4. Measure the airflow (CFM) that the installed ventilator is delivering . See MEASURE DELIVERED AIRFLOW section on page 8 .
5. Using the instructions provided with the installed control, adjust the ventilation settings as required .
MODEL 8145NC – SEQUENCE OF OPERATION
Refer to the installation manual provided with the control that is wired to the Model 8145NC .
MODEL 8145 – WIRING THE CONTROL TO THE HVAC SYSTEM
NOTICE
Disconnect power to HVAC system during wiring to avoid
electrical shorts.
1. Remove the control from the mounting plate as shown in FIGURE 9.
Set control aside in a safe place until all wiring has been completed .
2. Run a 6-conductor (min . ) cable (for furnace/AC applications) or a
7-conductor (min . ) cable between the control and the HVAC system .
3. Wire to the HVAC system in accordance with FIGURE 10 if installed in
a furnace/AC application or FIGURE 11 if installed with a heat pump .
FIGURE 10 – WIRING VENTILATION CONTROL TO A FURNACE
R & C = 24 VAC
Y = COOLING
W = HEAT
GS = FAN INPUT
GH = FAN OUTPUT
6 English
THERMOSTAT
R
C
Y
W
G
WIRE NUT
(FIELD
SUPPLIED)
R
C
Y
W
G
FURNACE
FIGURE 9 – REMOVE CONTROL FROM MOUNTING PLATE
CONTROL
CONNECTOR
VENTILATION CONTROL
R
C
Y
W
O
GS
GH
CONTROL
CONTROL
MOUNTING
PLATE
90-2514
ODT
VENT
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