Chromalox WTL-121 Mounting And Wiring, HEAT ANTICIPATION Adjustable Heater, Limited Warranty

Models: WTL-121

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MOUNTING AND WIRING

MOUNTING AND WIRING

WARNING: Hazard of Electrical Shock. Disconnect all power before wiring or servicing this control.

1.Electric wiring to heater must be installed in accordance with Local and National Electrical Codes.

WARNING: Use copper conductors only.

2.Pull thermostat wires through large opening in center of wall mounting plate and fasten wires beneath proper terminal screws as follows:

A. Connect to 4 and 5 as shown.

3.Push excess wire into wall or switch box and plug up hole to prevent drafts from affecting thermostat operations.

4.Thermostat must be level to assure optimum performance. Place level on top of wall mounting plate and mark hole loca- tions for mounting screws. Attach plate loosely to wall with the two screws provided. Again, place level on top of plate to be sure it is level. Then, tighten mounting screws.

5.Remove cover from thermostat by pulling outward. Remove and discard pad (shipping protection for switch). Place ther- mostat base onto wall mounting plate and securely tighten all three screws (four for heating-cooling models). Then, snap on thermostat cover.

HEAT ANTICIPATION

Adjustable Heater

Set heater indicator to match the current rating of the primary con- trol. Heater may be adjusted for current ratings from 0.15 to 1.0 Amp.

 

Primary Control Circuit Ratings

 

 

60Hz

LUH

 

0.375A

 

 

 

KUH

 

0.375A

 

 

 

WARNING: The adjustable Heater (Heat Anticipator) WILL BURN OUT if 25V are applied directly to ther- mostat by shorting out the primary control during testing or by incorrect wiring.

WARNING: This product contains mercury. Dispose of thermostat in a manner in accordance with local, state and federal laws.

Longer

Limited Warranty:

Please refer to the Chromalox limited warranty applicable to this product at http://www.chromalox.com/customer-service/policies/termsofsale.aspx.

1347 HEIL QUAKER BLVD., LAVERGNE, TN 37086

Phone: (615) 793-3900

www.chromalox.com

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Chromalox WTL-121 Mounting And Wiring, HEAT ANTICIPATION Adjustable Heater, Primary Control Circuit Ratings