Honeywell Honeywell Dehumidifier H8908A/B User's Manual

Honeywell Dehumidifier User's Manual - Honeywell Dehumidifier H8908A/B.
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INSTALLATION INSTRUCTIONS

Place Bar Code Here

69-1341EF-07

H8908A/B Humidistat;

H8908C/D Dehumidistat

APPLICATION

The H8908 family of low-voltage humidistats/
dehumidistats provide accurate control of whole house 
humidifiers, dehumidifiers, and ventilators. They have a 
snap-acting, dust-proof SPST switch and can be 
mounted to a duct or wall.

Before Installing this Product...

1. Read these instructions carefully. Failure to follow 

them could damage the product or cause a hazard-

ous condition.

2. Check the ratings given in the instructions and on 

the product to make sure the product is suitable for 

your application.

3. Installer must be a trained, experienced service 

technician.

CAUTION

Personal Injury Hazard.
Power supply can cause electrical shock.
Disconnect power supply before beginning 
installation.

NOTE: The H8908 electrical connections are not 

shared with the thermostat.

Fig. 1. H8908A,D control.

Fig. 2. H8908B,C control.

M24726

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

M13371

CASE REMOVAL 
SLOT

HOLE FOR WIRING 
THE DUCT MOUNTING 
INSTALLATIONS

0.525548s