HE120 BY-PASS DRUM HUMIDIFIER
19 69-1860EF—01
STEP 11: WIRING
WARNING
Hazardous Voltage.
Can cause personal injury of equipment damage.
Disconnect power supply before installing or servicing
equipment.
IMPORTANT
All wiring must comply with applicable code, ordi-
nances and regulations.
1. Run the 18-gauge two-strand Thermostat Wire from the
Humidistat to the Transformer near a wall outlet and cut
to length. (Leave adequate wire at both ends for con-
nection.)
NOTE: Wire is already connected to the Humidistat.
2. Run the 18-gauge two-strand Thermostat Wire from the
Humidifier to the Transformer and cut to length. (Leave
adequate wire at both ends for connection.)
3. At the Humidifier, connect the red and white conductors
to the two motor leads using wire nuts. See Fig. 49.
Fig. 49. Wiring motor.
4. At the transformer, connect both white conductors to the
two transformer terminals. See Fig. 50.
Fig. 50. Wiring Transformer.
5. Use a wire nut to connect the red conductors together.
6. Secure thermostat wire along route to prevent move-
ment (can use duct tape).
7. Check wiring per Fig. 51.
Fig. 51. Wiring diagram.
Humidity Control
Régulateur d'humidité
-20 ¡F
-10 ¡F
0 ¡F
+10 ¡F
+20 ¡F
Over 20 ¡F
15%
20%
25%
30%
35%
40%
HUMIDITY
SETTING
OUTDOOR
TEMPERATURE
-30 ¡C
-25 ¡C
-20 ¡C
-10 ¡C
-5 ¡C
Over 0 ¡C
M13613
TRANSFORMER
RED
WHITE
RED
WHITE
HUMIDIFIER
DRIVE
MOTOR
HUMIDISTAT