Honeywell HE150, HE300, HE250 User Manual
69-2576-01
Wiring Configuration
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
2
3
OR
M29939A
FROM
HUMIDITY
CONTROL
HE150 OR HE250
DIP SWITCH SETTING
RESET POWER AFTER
ANY DIP SWITCH CHANGES
HE300
POWER 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 IN
FROM
HUMIDITY
CONTROL
1
ADVANCED MODELS (HE150/HE250/HE300)
INSTALLATION ADDENDUM
Fig. 2. Wiring TrueIAQ, VisionPRO IAQ, or Prestige, using the intelligent control to program humidity calls with heat,
Fig. 1. Wiring H8908 to humidify only with a call for heat or fan.
cool, or on demand.
WIRING CONFIGURATION
M29940A
G (FURNACE)
G (THERMOSTAT)
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.
1
1
POWER OUT
24V FOR
ELECTRONIC
HUMIDISTAT
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.
HE300 USES A LINE CORD PLUG.
1
2
HE150 OR HE250
DIP SWITCH SETTING
RESET POWER AFTER
ANY DIP SWITCH CHANGES
HE300
POWER IN
2
R
POWER IN
2
FROM
HUMIDITY
CONTROL
G (FURNACE)
G (THERMOSTAT)
1
POWER OUT
24V FOR
ELECTRONIC
HUMIDISTAT
R
FROM
HUMIDITY
CONTROL
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.
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.
HE300 USES A LINE CORD PLUG.
1
2
M29941A
G (FURNACE)
G (THERMOSTAT)
1
POWER OUT
24V FOR
ELECTRONIC
HUMIDISTAT
HE150 OR HE250
DIP SWITCH SETTING
RESET POWER AFTER
ANY DIP SWITCH CHANGES
HE300
POWER IN
2
R
POWER IN
2
FROM
HUMIDITY
CONTROL
AFS
AFS
G (FURNACE)
G (THERMOSTAT)
1
POWER OUT
24V FOR
ELECTRONIC
HUMIDISTAT
R
FROM
HUMIDITY
CONTROL
Fig. 3. Wiring to force the HVAC system fan on whenever humidity is needed (on demand).
Fig. 4. Wiring to force fan on and prove airflow in the duct.
69-2576—01 2
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