General Ventilator Wiring; Forced Air System; Standard Furnace Interlock Wiring With Forced Air System - Honeywell TrueFRESH ERV Professional Installation Manual

Wiring (continued)
Follow this diagram
for General Ventilator
Wiring
ERV/HRV is used in conjunction with a conventional HEAT/COOL thermostat or other wall control.
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).
TrueFRESH™ ERV/HRV Ventilation Systems 69-2480EF—05
THERMOSTAT
VENTILATION
CONTACTS
Y
W
G
R
THERMOSTAT
VENTILATION
CONTACTS
Y
W
G
R
POWERED
VENTILATOR
C
Y
W
G
R
FURNACE
24-VOLT
TERMINAL BLOCK
M28990
POWERED
VENTILATOR
C
Y
W
G
R
FURNACE
24-VOLT
TERMINAL BLOCK
M28991
21