Chromalox SRCCH-1 User manual

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SRCCH-1 and SRCCH-2 Self-Regulating Crankcase Heaters are

supplied with flexible lock-strap and pre-stripped 28” cold leads for

easy connection and hardwiring. These heaters are only to be used on

up to 40” diameter compressors located in non-hazardous areas.

ELECTRIC SHOCK/FIRE HAZARD. Do not expose

heater to temperatures above 150˚F.

PJ490

RT

161-891364-004

JULY, 2004

4

(Supersedes PJ478-1)

SRCCH-1 and SRCCH-2

Self Regulating Crankcase Heaters

© 2010 Chromalox, Inc.

GENERAL

Before installing the SRCCH-1 or SRCCH-2 heater, a megger test

should be performed to check integrity of electrical insulation jacket of

the heating cable.

To use the SRCCH-1 and SRCCH-2 heaters, wrap cable around

crankcase and tighten the flexible lock-strap. Make certain to have

good contact between the heater and the surface of the crankcase.

Connect leads to GFCI protected circuit.

ELECTRIC SHOCK HAZARD. Disconnect all power

before installing or servicing heating cable and

accessories. A qualified person must perform

installation and service of heating cable and

accessories. Heating cable must be effectively

grounded in accordance with the National

Electrical Code. Failure to comply can result in

personal injury or property damage.

Use SRCCH-1 for 120V operation and SRCCH-2 for 208-277V

operation.

MEGGER TESTING:

Megger testing should be performed before first use and periodi-

cally thereafter. Unplug assembly. Using a 2500 Vdc megohmmeter

(500 Vdc minimum), check the insulation resistance between the

power leads (black and white clamped simultaneously) and the green

ground lead. Reading should be at least 20 meg-ohms regardless of

cable length.

If low reading occurs, cable and insulation should be inspected for

signs of damage. DO NOT attempt to repair damaged heating cable.

If physical damage is found, the entire unit should be replaced.

INSTALLATION

1347 HEIL QUAKER BLVD., LAVERGNE, TN 37086

Phone: (615) 793-3900 www.chromalox.com

Limited Warranty:

Please refer to the Chromalox limited warranty applicable to this product at

http://www.chromalox.com/customer-service/policies/termsofsale.aspx.