Trane GEHB018 Manuale utente

Crankcase Heater

Wiring

For KIT14712 and KIT14718

Models: GEHB018, GEVB018, KIT14712, KIT14718

Installation

PART-SVN100A-EN

2 Crankcase Heater Wiring PART-SVN100A-EN

Installation

Literature change history

PART-SVN100A-EN (October 2006) manual first release.

Warnings and Cautions

Instructions

 WARNING

Hazardous Voltage w/Capacitors!

Disconnect all electric power, including remote disconnects and discharge all

motor start/run capacitors before servicing. Follow proper lockout/tagout

procedures to ensure the power cannot be inadvertently energized. Verify

with an appropriate voltmeter that all capacitors have discharged. Failure to

disconnect power and discharge capacitors before servicing could result in

death or serious injury.

Note: For additional information regarding the safe discharge of capacitors,

see PROD-SVB06A-EN or PROD-SVB06A-FR.

This KIT includes a relay, wiring assembly, and crankcase (sump) heater. The

following information and wiring digram shown in Figure 1 (p. 3) should be

used to install this device.

HTR06811 - Crankcase heater, 30 Watt, 5.07” diameter, 208/230 Vac or

HTR06851 - Crankcase heater, 30 Watt, 5.07” diameter, 265 Vac

and

RLY01357 - DPDT relay, 24 Vac coil 50/60 HZ, 3 A 277 Vac pilot duty contacts

WIR004682 - Wire harness for adding crankcase heater

1Turn off all power sources to the unit. Follow proper lock out and tag out

procedures.

2Install mechanical components, heater and relay.

NOTICE: Warnings and Cautions appear at appropriate sections

throughout this literature. Read these carefully.

WARNING: Indicates a potentially hazardous situation which, if not

avoided, could result in death or serious injury.

 CAUTION: Indicates a potentially hazardous situation which, if not

avoided, may result in minor or moderate injury. It may also be used to

alert against unsafe practices.

CAUTION: Indicates a situation that may result in equipment or prop-

erty-damage only accidents.

PART-SVN100A-EN Crankcase Heater Wiring 3

Installation

3Connect new blue wire 3 to incoming compressor power and terminal 1

on the new relay

4Connect new black wire 4 to the second incoming compressor power and

terminal 4 on the new relay.

5Connect crankcase heater wires to terminals 2 and 5 on the new relay.

6Connect the new relay coil (double tab terminals) to the terminals 4 and 6

on the customer terminal block. Use wires yellow 1 and orange 2.

Figure 1. Crankcase heater wiring diagram

Crankcase Heater

Relay

Wire relay terminals 1 & 4

to the compressor

contactor incoming power

Connect heater ground wire

to the unit chassis ground

Connect Relay coil leads to

terminal 4 & 6 on the

customer terminal block. The

relay coil terminals have

double tabs.

Connect heater leads

to relay terminals 2 & 5

Installation

Tr a n e

A business of American Standard Corporation

www.trane.com

For more information, contact your local Trane

office or e-mail us at comfor[email protected]

Trane has a policy of continuous product data and product improvement and reserves the right to

change design and specifications without notice. Only qualified technicians should perform the

installation and servicing of equipment referred to in this bulletin.

Literature Order Number PART-SVN100A-EN

File Number SV-SP-PART-SVN100A-EN-1006

Supersedes New

Stocking Location Electronic only

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