WIRING
Wiring Configuration: Advanced Models (HE150/HE250/HE300)
Wiring H8908 to humidify only with a call for heat or fan.
Wiring TrueIAQ, VisionPRO IAQ, or Prestige, using the intelligent control to program humidity calls with heat,
cool, or on demand.
HUMIDIFIER
HE150 (PICTURED), HE250, HE300
H8908
10
OFF
ON
20
30
40
50
60
MCR29938
POWER IN
GT OR W
G OR W
C
OR
AIR PROVING
DEVICE
AFS
AFS
HUM
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.
CONNECT G TO HUMIDIFY WHEN THERE IS A FAN CALL.
CONNECT W TO HUMIDIFY WHEN THERE IS A HEAT CALL.
NEVER CONNECT BOTH. CONNECT C WHEN USING G OR W.
USE AIR PROVING DEVICE INSTEAD OF THE G/W CONNECTION
TO HUMIDIFY ANY TIME THE FAN IS OPERATING.
1
1
2
3
3
2
MCR29939
HUMIDIFIER
HE150 (PICTURED), HE250, HE300
FROM
HUMIDITY
CONTROL
POWER IN
HUM
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
Humidifier 69-2413EF—01
17
