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INSTALLATION INSTRUCTIONS 

SK0-0055-001 HUMIDISTAT 

The humidistat is designed for 

either return air duct or wall 

mounting

. Packaged in a duct mount configuration, 

(For this type 

mounting begin installation at the section labeled return air duct 
installation on page 2.)

 for conversion to a wall mount configuration 

simply pull off the knob and remove the mounting screws and rotate the 
control 180° and reattach the mounting base, 

(For this type mounting 

begin installation at the section labeled wall mount installation on 
page 3.)

 
DANGER 

Do not cut or drill any air-conditioning or electrical 
accessories during installation.  

Fatal electrocution is possible if you contact a live wire.  

Electrical power can cause electrical shock 

Disconnect all electrical power supplied to the equipment 
before beginning installation. 

Blindness can occur if freon contacts your eyes. 

 

CAUTION 

Do not install on any electrical system over 30 VAC 

 

CAUTION

 

All electrical wiring should comply with codes and 
ordinances. 

At Outside Temperatures 

Recommended Setting 

-20°F  -30°C 

15% 

-10°F  -25°C 

20% 

   0°F  -20°C 

25% 

+10°F  -10°C 

30% 

+20°F    -5°C 

35% 

Over 20°F  Over 0°C 

40% 

Recommended Settings 

Warning: 

Adjusting the 
humidity control 
higher than the rec-
ommended setting 
may cause conden-
sation resulting in 
possible damage to 
the 

home. 

Summary of Contents for SK0-0055-001

Page 1: ...ot cut or drill any air conditioning or electrical accessories during installation Fatal electrocution is possible if you contact a live wire Electrical power can cause electrical shock Disconnect all electrical power supplied to the equipment before beginning installation Blindness can occur if freon contacts your eyes CAUTION Do not install on any electrical system over 30 VAC CAUTION All electr...

Page 2: ...e and use tin snips to cut the rectangular hole designated by the dotted lines then remove template 5 Remove the backing and adhere the gasket over the opening area 6 Connect the low voltage wires to the humidistat terminals Tuck the wire into the recessed area on the back of the base plate 7 Use sheet metal screws to securely fasten the humidistat to the return air duct CAUTION Mount the humidist...

Page 3: ... plate 4 Place the base assembly in the predetermined location on the wall in a horizontal position make sure it is level Mark and drill a 3 8 in hole in the wall 5 Run low voltage wire to the location and pull about 6 in of wire through the hole 6 Plug the hole with a nonflammable insulation to prevent drafts from affecting the humidistat operation 7 Position the base assembly over the wire and p...

Page 4: ...t require an additional transformer OPERATIONS CHECK 1 Turn the heating system thermostat up and wait until the system blower activates 2 Turn the humidistat clockwise to the on position visually check humidifier for operation 3 Turn the humidistat counterclockwise to 10 or lower visually check to see that humidifier shuts off Note The set point where the humidistat turns on and off may not repres...

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