HE220 AND HE260 BY-PASS FLOW-THROUGH HUMIDIFIER
69-1111EF—05 16
Installing the Humidistat
Installing on 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 H8908 Humidistat Installation
Instructions) to drill the control 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.
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 humidistat.
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.
Fig. 14. Humidistat base and rear view.
M20179A
WIRE SLOT
HUMIDISTAT WIRES
HUMIDISTAT BASE REAR OF HUMIDISTAT
69-1111E_C.fm Page 16 Monday, August 10, 2009 10:53 AM
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