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Automatic Humidifier Control 

SEH-7100-000 

by

 Skuttle

®

 Indoor Air Quality Products 

 

Safety and Installation Instructions* 

 

INSTALLER: R

EAD

 

COMPLETE

 

INSTALLATION

 

INSTRUCTIONS

 

BEFORE

 

BEGINNING

  

INSTALLATION

(

Throughout this document, the terms 

“Compustat”  

and “humidifier control” 

are used interchangeably.) 

 

WARNING:  

This product is for residential applications only, and must be installed by a qualified HVAC contractor. 

Failure to comply could invalidate the product warranty, or result in serious injury or electrocution.  

 

DANGER: 

• 

Disconnect electrical power to the furnace before beginning installation. 

Contact with a live electrical wire can cause 

serious injury or electrocution.  

• 

Use caution when cutting plenum openings and handling ductwork. 

Sharp edges can cause serious cuts and bleeding.  

 

CAUTION: 

• 

Do not mount 

Compustat

 on the supply duct or plenum. 

The unit will not withstand supply temperatures.  

• 

Do not mount 

Compustat

 downstream of the bypass outlet. 

Inaccurate humidity readings will cause the humidifier to 

operate incorrectly.  

• 

When installing 

Compustat

 on downflow furnaces, 

make sure the blower continues to run after a heat call is satisfied, 

to prevent high temperatures from damaging the control.

  

• 

Do not set the humidity so high that condensation forms on windows or walls. 

Indoor condensation may result in 

damage to the home.  

*

These instructions are for installation of the Skuttle 

Compustat

 humidifier control only.

 For installation of a 

Skuttle humidifier, refer to the instructions packaged with the humidifier. 

S

TEP

 1:

  

Check Contents of 

Compustat

 Carton 

Make sure the following components are present (see Figure 1): 

•   

Humidifier Control 

•   

Manual Mode Faceplate  

•   

Outdoor Temperature Sensor 

•   

Mounting Template 

•   

Sensor Shield  

 

S

TEP

 2:

  

Disassemble the Humidifier Control 

Pull the knob off, then remove the cover by inserting a screwdriver in the slot on the 
right side of the control.  
 

S

TEP

 3:

  

Select an Interior Location and Mount the Control 

Select a location to mount the humidifier control that is at least 6 inches upstream from 
any of the following (see Figure 2):  

• 

Humidifier 

• 

Humidifier Bypass Ductwork (if applicable)  

• 

Fresh Air Intake Ductwork (if applicable)  

 

Once a location has been selected, carefully position the humidifier control template, then 
drill and cut the opening. Use four sheet metal screws and the gasket (provided) to mount 
the control over the duct opening. Make sure the control is sealed tightly to the duct.  

Figure 1 

Figure 2 

TM 

Summary of Contents for Compustat SEH-7100-000

Page 1: ...a heat call is satisfied to prevent high temperatures from damaging the control Do not set the humidity so high that condensation forms on windows or walls Indoor condensation may result in damage to the home These instructions are for installation of the Skuttle Compustat humidifier control only For installation of a Skuttle humidifier refer to the instructions packaged with the humidifier STEP 1...

Page 2: ...Compustat for Manual Operation STEP 6 Route the Sensor Wire to the Selected Location Run wire between the humidifier control and the outdoor sensor lead If the sensor is out doors snap the probe end of the sensor into the sensor shield and attach it to an exterior wall The probe must be completely covered by the shield NOTE The outdoor temperature sensor wire must not exceed 30 feet in length CAUT...

Page 3: ...he Out terminals on the humidifier con trol Also attach a jumper wire to the Wire Connector as shown in Figures 6 and 7 Do not use a Model A50 relay NOTE See the furnace manual for operation of accessory terminals If an external transformer is used connect a Model A50 relay in series with the solenoid valve and the Out terminals on the humidifier control This will allow the humidifier to operate o...

Page 4: ... Guide below 5 Set the humidifier control If the home is occupied set the humidifier control knob to 5 For manual operation set the knob to 35 If the home is vacant turn the humidifier control knob counterclockwise 4 to Off 6 Tell the homeowner to refer to the Compustat Operating Instructions for direction regarding initial adjustment Troubleshooting Guide applies to automatic and manual operation...

Page 5: ...e verify that the humidifier will shut off after approxi mately one minute Check the resistance of the sensor See previous section For automatic applications Make sure the outdoor temperature sensor is mounted completely outside the house i e not recessed into the hole on the North Northeast or North west side away from direct sunlight Turn the humidifier control knob counterclockwise 4 to the Off...

Page 6: ...101 Margaret Street Marietta OH 45750 Phone 800 848 9786 Fax 740 373 9565 Email customerservice skuttle com Web www skuttle com ...

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