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HE220, HE260 HUMIDIFIER INSTALLATION KIT
Fig. 12. Attaching sail to switch.
5. Press together the sides of the wire loop. Insert the
sail into the duct. (When in the Off position, the sail
should point into the direction of airflow as shown
in Fig.13.)
Fig. 13. Inserting sail switch in direction of airflow.
6. Secure the switch by using the sheet metal screws
provided.
7. After wiring, snap on the cover.
INSTALLING HUMIDISTAT
Mounting Duct
1. Apply the template to the duct location chosen for
the humidistat. Make sure the template is level
before drilling the holes.
2. Refer to the template (provided with the H8909
Humidistat Installation Instructions) to drill the con-
trol assembly opening and mounting holes for the
H8908.
3. Remove the H8908 case from the base.
4. Position the foam gasket on the H8908 base.
69-1570
– LOOSEN SETSCREW
– INSERT SAIL
– TIGHTEN SETSCREW
SAIL
M20181
M20178
5. Position the base on the duct with the arrow up.
6. Secure the base to the duct using the four
1 in. (25 mm) mounting screws provided with humi-
distat.
7. Connect the low-voltage wires to the leads and
replace the H8908 case. See Fig. 14.
NOTE: For wall mounting instructions, see the H8908
Installation Instructions.
HUMIDISTAT BASE
WIRE SLOT
Fig. 14. Humidistat base and rear view.
WIRING
CAUTION
Hazardous Voltage.
Can cause personal injury or equipment
damage.
Disconnect power supply before installing or
servicing equipment.
IMPORTANT
All wiring must comply with applicable local
code, ordinances and regulations.
Wire the humidifier solenoid valve, sail switch, humidistat
and transformer.See Fig. 15
HUMIDIFIER
SOLENOID
VALVE
Fig. 15. Wiring the controls.
6
REAR OF HUMIDISTAT
HUMIDISTAT WIRES
HUMIDISTAT
TRANSFORMER
BLACK
BLACK
BLACK
WHITE
WHITE
M20179
SAIL
SWITCH
M20180
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