user manual

Wiring with Remote Controls
CONTmode-Ventilatorrunscontinuouslyonlowspeed.Aventilationcallfromacontrolbooststhe
ventilator into high speed.
INT mode - The ventilator is OFF until a ventilation call from a wall control turns it on in high speed..
TrueFRESH™ ERV/HRV Ventilation Systems 69-2480EF—05 19
Wiring (continued)
Controls Wiring
M28987
SENSOR TYPE
C
R
SENSORS
W2
W
Y
W3
G
Y2
U3
L
U3
U3
U2
U1
U1
RC
RH
R
C
S2
S2
S1
S1
IAQ DEVICE
(24 VAC)
TO
THERMOSTAT
EQUIPMENT
IAQ
CONTROL
24 V
POWER
THM5421R
OR
OR
OR
CONV
Follow this
diagram if using a
Prestige™ 2-wire
IAQ and RF EIM.