TrueFRESH™ ERV/HRV Ventilation Systems 69-2480EF—05
21
Wiring (continued)
Follow this diagram
for
Standard Furnace
Interlock Wiring with
Forced Air System
ERV/HRV is interlocked with the forced air system and is used in conjunction with a conventional HEAT/
COOL thermostat with ventilation contacts (could use a different wall control for ventilator).
ERV/HRV is used in conjunction with a conventional HEAT/COOL thermostat or other wall control.
Follow this diagram
for
General Ventilator
Wiring
FURNACE
24-VOLT
TERMINAL BLOCK
POWERED
VENTILATOR
R
W
G
Y
C
R
W
G
Y
THERMOSTAT
VENTILATION
CONTACTS
M28990
M28991
C
Y
W
G
R
Y
W
G
R
FURNACE
24-VOLT
TERMINAL BLOCK
POWERED
VENTILATOR
THERMOSTAT
VENTILATION
CONTACTS