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Les langues disponibles
Les langues disponibles
H8908
30
40
50
20
10
60
OFF
ON
TRANSFORMER
L2
CURRENT
LO
SENSING
RELAY
C
HI
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
2
24V WIRING.
Fig. 14. Typical wiring diagram of current
sensing relay with humidifier.
AIR
PRESSURE SWITCH/
SAIL SWITCH
2
TRANSFORMER
L2
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
2
24V WIRING.
Fig. 15. Wiring H8908 in line with
air pressure switch/sail switch and humidifier.
WATER
2
SOLENOID
LEAD WIRE
1
L1
(HOT)
HUMIDIFIER
M24729
H8908
40
30
20
50
10
60
OFF
ON
1
L1
(HOT)
HUMIDIFIER
M24730B
H8908A/B HUMIDISTAT; H8908C/D DEHUMIDISTAT
H8908
FAN WIRING
30
40
TERMINALS
20
50
10
60
1
OFF
ON
HUMIDISTAT
TERMINALS
1
24V WIRING.
NOTE:
FOLLOW THE INSTALLATION INSTRUCTIONS
INCLUDED WITH THE STEAM HUMIDIFIER
TO WIRE THE SYSTEM FAN.
Fig. 16. Wiring H8908 with steam humidifiers.
G (THERMOSTAT)
1
R
G (FURNACE)
HE150/HE250/HE300 Humidifier
1
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.
2
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.
Fig. 17. Wiring to force fan on and prove airflow in
H8908D
30
40
20
50
10
60
OFF
ON
Fig. 18. Typical wiring diagram for HR150,
HR200, ER150 and ER200 Ventilator
or DH90 Dehumidifier applications.
5
1
HUMIDIFIER
M24731
H8908
AIR PROVING
DEVICE
30
40
20
50
10
60
OFF
ON
POWER IN
the duct.
VENTILATOR/DEHUMIDIFIER
TERMINALS
Fresh Air Ventilation System
Système de ventilation à air frais
M24732
69-1341EF—09
TO
SYSTEM
FAN
2
LEFT
RIGHT
M35155A
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