INSTALLATION ADDENDUM

69-2576-01
Wiring Configuration

ADVANCED MODELS (HE150/HE250/HE300)

Fig. 1. Wiring H8908 to humidify only with a call for heat or fan.
Fig. 2. Wiring TrueIAQ, VisionPRO IAQ, or Prestige, using the intelligent control to program humidity calls with heat,
cool, or on demand.
HE150 OR HE250
DIP SWITCH SETTING
RESET POWER AFTER
ANY DIP SWITCH CHANGES
HE300
H8908
10
OFF ON
20
30 40
50
60
M29938A
POWER IN
G OR W
C
OR AIR PROVING
DEVICE
HE150/HE250 USES A 15 VA TRANSFORMER WIRED INTO 24V IN.
HE100/HE200 USES A 10 VA TRANSFORMER WIRED INTO 24V IN.
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
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
3
2
H8908
10
OFF ON
20
30 40
50
60
POWER IN
G OR W
C
AIR PROVING
DEVICE
1
23
OR
M29939A
FROMHUMIDITYCONTROLHE150 OR HE250DIP SWITCH SETTINGRESET POWER AFTER ANY DIP SWITCH CHANGESHE300POWER IN
HE150/HE250 USES A 15 VA TRANSFORMER WIRED INTO 24V IN.
HE100/HE200 USES A 10 VA TRANSFORMER WIRED INTO 24V IN.
1
1
HE300 USES A LINE CORD PLUG.
1
POWER INFROMHUMIDITYCONTROL
1