10
POWERED
HUMIDIFIER
RH
RC
R
C
U3
U3
U2
U2
U1
U1
M39129
24
VAC
120
VAC
24
VAC
120
VAC
24
VAC
M39132
FIELD INSTALLED
JUMPER BETWEEN
R AND U1
RH
RC
R
C
24
VAC
U3
U3
U2
U2
U1
U1
NON-POWERED
HUMIDFIER
24
VAC
120
VAC
1
POWERED
VENTILATOR
RH
RC
R
C
U3
U3
U2
U2
U1
U1
M39130
24
VAC
120
VAC
24
VAC
120
VAC
24
VAC
POWERED
DEHUMIDIFIER
RH
RC
R
C
U3
U3
U2
U2
U1
U1
M39131
24
VAC
120
VAC
24
VAC
120
VAC
24
VAC
RH
RC
R
C
U3
U3
U2
U2
U1
U1
MFCR31587
1
M39133
FIELD INSTALLED
JUMPER BETWEEN
R AND U1
NON-POWERED
VENTILATOR
24
VAC
24
VAC
120
VAC
RH
RC
R
C
U3
U3
U2
U2
U1
U1
OR
DEHUMIDIFICATION
WITH LOW SPEED FAN
1
2
M39134
FIELD INSTALLED
JUMPER BETWEEN
R AND U1
24
VAC
120
VAC
24
VAC
Typical hookup of powered humidifier
Typical hookup of non-powered
humidifier
Typical hookup of powered ventilation
Typical hookup of powered dehumidifier
(whole house dehumidifer)
Typical hookup of variable speed blow-
er for dehumidification in low speed
Typical hookup of non-powered
ventilation
Any combination of universal relays (U1, U2, U3) can be used. They are set in
the thermostat installer setup.
Wire the universal EIM relay to the low speed fan for dehumidification control
at the equipment. The EIM relay can be set to be normally open or normally
closed in the thermostat installer setup.
1
2
Normally open, dry contacts
Normally closed, dry contacts
Wiring humidification, dehumidification and ventilation
(Prestige and RedLINK VisionPRO models only.)
"U" terminals can be used for humidification, dehumidification or ventilation.