Trane BAYCCHT101AA Istruzioni per il montaggio

Installer’s Guide

MODEL:

18-HE71D1-7

Crankcase Heater

ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES

IMPORTANT — This Document is customer property and is to remain with this unit. Please return to service information

pack upon completion of work.

HAZARDOUS VOLTAGE - DISCONNECT POWER BEFORE SERVICING

WARNING:

BAYCCHT101AA

BAYCCHT102AA

BAYCCHT404BA

For this Unit Use this Heater

4WC*3018, 2WC*3024-030,2WC*3048,

4YC*3018, 4YC*3024B, 2YC*3024-030,

2YC*3042-048, 4TC*3018-024, 4WCY4024-

030, 4TCY4024-030, 4YCY4024-030,

4DCY4024-030 (230V)

BAYCCHT101AA

(Reciprocating)

(65 Watts)

2WC*3036-042, 2WC*3060, 4WC*3036-060,

2YC*3036, 4YC*3036-060, 2YC*3060,

4TC*3030-060, 4YCY4036-060, 4WCY4036-

060, 4TCY4036-060,4DCY4036-060,

4WCZ6036-060, 4YCZ6036-060,

4DCZ6036-060 (230V)

BAYCCHT102AA

(Scroll)

(60 Watts)

4WC*3036-060, 4YC*3036-060, 4TC*3036-060,

4WCZ6036-060, 4YCZ6036-060 (460V)

BAYCCHT404BA

(Scroll)

(60 Watts)

Table 1. Crankcase Heater Accessory Numbers

SAFETY HAZARD!

Bodily injury can result from high voltage electrical compo-

nents, fast moving fans, and combustible gas. For protection

from these inherent hazards during installation and service,

the electrical supply must be disconnected and the main gas

valve must be turned off. If operating checks must be per-

formed with the unit operating, it is the technicians respon-

sibility to recognize these hazards and proceed safely.

▲

WARNING

Installation

1. Set the thermostat to OFF.

2. Open all unit electrical switches.

3. Remove the unit's Control Box, Blower, and Compressor ac-

cess panels.

4. Open the Crankcase Heater Kit and remove the crankcase

heater. The BAYCCHT101AA is a cartridge type and the

BAYCCHT102AA and BAYCCHT404BA are the band type.

5. Cartridge Type Crankcase Heater - Insert the crank-

case heater fully into the mating tube attached under the

compressor near the electrical header.

Secure the cartridge into the tube with the spring provided

in the kit. The hook end connects to the back end of the

tube. The hoop end latches around the cartridge. See Fig-

ures 1 and 2.

Band Type Crankcase Heater - Place the crankcase

heater band around the bottom of the compressor within 1

inch of the base. See Figure 3.

Tighten the crankcase heater around the compressor

and attach the green ground wire to the base as shown.

Torque heater to 20-25 inch-pounds.

7. Route the black crankcase heater leads from the Compres-

sor compartment, through the Blower compartment, and

into the Control Box compartment.

8. In the Control Box compartment, connect the leads to the

Compressor

Blower

Compartment

Compressor

Compartment

Control Box

Compartment

Compressor

Contactor

Load Line

Figure 2. BAYCCHT101AA (Reciprocating Compressor)

Insert Cartridge Heater

Fully into Tube under

Compressor. Secure with Spring

Figure 1. Cartridge Latching Spring

End View Side View

Hook.

Connect

hook to end

of tube

Hoop. Latch

hoop around

cartridge

(CC) compressor contactor as shown in the diagram. Refer to

Figure 4 if you have a single phase unit. Refer to Figure 5 if

you have a three phase unit.

NOTE: Connect both leads on the line side of the contactor.

(See Figures 4 (page 3) or 5 (page 4)

9. Secure the crankcase heater leads with wire ties. Care must

be taken to ensure the leads do not come in contact with the

compressor discharge line, with any moving parts, or any sharp

edges.

10. Place the wiring diagram provided with the kit on the inside

of the Control Box access panel.

11. Reinstall the Compressor, Blower, and Control Box access

panels.

12. Reapply power to the unit.

13. The crankcase heater should immediately begin to heat. The

crankcase heater will heat at all times.

14. Reset the thermostat.

Figure 3. BAYCCHT102AA and BAYCCHT404BA (Scroll Compressor)

Figure 4. Single Phase Wiring

Field Wiring =

Factory Wiring =

GND

Wire

Screw

Compressor

Contactor

Load Line

Compressor

Blower

Compartment

Compressor

Compartment

Control Box

Compartment

Page 4

Trane

6200 Troup Highway

Tyler, TX 75707-9010

The manufacturer has a policy of continuous product and product data improvement, and it

reserves the right to change design and specification without notice.

Figure 5. Three Phase Wiring

Field Wiring =

Factory Wiring =

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