WIRING CONFIGURATION
HE150 OR HE250
HE300
POWER OUT
POWER OUT
24V FOR
ELECTRONIC
HUMIDISTAT
G (THERMOSTAT)
1
24V FOR
G (THERMOSTAT)
1
ELECTRONIC
HUMIDISTAT
FROM
HUMIDITY
CONTROL
FROM
HUMIDITY
CONTROL
R
R
2
G (FURNACE)
POWER IN
G (FURNACE)
2
POWER IN
DIP SWITCH SETTING
RESET POWER AFTER
ANY DIP SWITCH CHANGES
1
2
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.
1
2
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.
M29940A
Fig. 3. Wiring to force the HVAC system fan on whenever humidity is needed (on demand).
HE150 OR HE250
HE300
POWER OUT
24V FOR
ELECTRONIC
HUMIDISTAT
POWER OUT
24V FOR
ELECTRONIC
HUMIDISTAT
G (THERMOSTAT)
1
G (THERMOSTAT)
1
AFS
AFS
FROM
HUMIDITY
CONTROL
FROM
HUMIDITY
CONTROL
R
R
2
G (FURNACE)
POWER IN
G (FURNACE)
2
POWER IN
DIP SWITCH SETTING
RESET POWER AFTER
ANY DIP SWITCH CHANGES
1
2
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.
1
2
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.
M29941A
Fig. 4. Wiring to force fan on and prove airflow in the duct.
69-2576—01
2