WIRING
Wiring Configuration: Advanced Models (HE150/HE250/HE300)
Wiring to force the HVAC system fan on whenever humidity is needed (on demand).
Wiring to force fan on and prove airflow in the duct.
MCR29940
POWER IN
HUM
GT OR W
G (FURNACE)
G (THERMOSTAT)
R
24V OUT
24V OUT
R
GF
ONLY NEEDED IF SYSTEM’S THERMOSTAT DOES NOT ISOLATE Y FROM G.
IF NEEDED, BREAK THE THERMOSTAT G TO SYSTEM G CONNECTION
AND ROUTE THROUGH HUMIDIFIER AS SHOWN.
HE150/HE250 USES A 15 VA TRANSFORMER WIRED INTO 24V IN.
HE100/HE200 USES A 10 VA TRANSFORMER WIRED INTO 24V IN.
HE300 USES A LINE CORD PLUG.
1
1
POWER OUT
24V FOR
ELECTRONIC
HUMIDISTAT
2
2
FROM
HUMIDITY
CONTROL
MCR29941
POWER IN
HUM
GT OR W
G (FURNACE)
G (THERMOSTAT)
AFS
AFS
AFS
GF
ONLY NEEDED IF SYSTEM’S THERMOSTAT DOES NOT ISOLATE Y FROM G.
IF NEEDED, BREAK THE THERMOSTAT G TO SYSTEM G CONNECTION
AND ROUTE THROUGH HUMIDIFIER AS SHOWN.
HE150/HE250 USES A 15 VA TRANSFORMER WIRED INTO 24V IN.
HE100/HE200 USES A 10 VA TRANSFORMER WIRED INTO 24V IN.
HE300 USES A LINE CORD PLUG.
1
1
POWER OUT
24V FOR
ELECTRONIC
HUMIDISTAT
2
2
FROM
HUMIDITY
CONTROL
R
24V OUT
24V OUT
R
Humidifier 69-2413EF—01
18