Trane BAYCCHT301 Installer's Manual

Installer's Guide
Crankcase Heater
BAYCCHT301
BAYCCHT302
WARNING:
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.
KIT CONTENT:
Crankcase Heater (with wires) - Qty 1
Wiring Diagram - Qty 1
Installer's Guide - Qty 1
INSPECTION:
Check carefully for any shipping damage. This must be
reported to and claims made against the transportation
company immediately. Any missing parts should be
reported to your supplier at once and replaced with
authorized parts only.
INSTALLATION:
1. Place the thermostat selector switch in the OFF
position.
2. Open all unit electrical switches.
WARNING:
DUE TO ELECTRICAL SHOCK OR CONTACT WITH MOVING
PARTS. LOCK UNIT DISCONNECT SWITCH IN OPEN
POSITION BEFORE SERVICING UNIT.
3. Remove the unit's control box cover. Disconnect the
fan motor leads. This will allow for complete re-
moval of the top cover/fan assembly.
4. Place the Crankcase Heater Band around the
bottom of the compressor. (See Figure 1.)
5. Tighten the Crankcase Heater around the compres-
sor and attach the green ground wire to the Com-
pressor Terminal Housing. (See Figure 1.)
6. Remove the louvered side panel to the right of the
control box. To remove, push in the bottom/center
section of the panel, while pulling upward, to slide
the panel out of the unit.
© 2009 Trane
60-watt heater for scroll compressors 6.5 - 7.5 in. diameter
40-watt heater for scroll compressors 5.5 in. diameter
HAZARDOUS VOLTAGE - DISCONNECT POWER BEFORE SERVICING
TO PREVENT INJURY OR DEATH
(BELLYBAND STYLE)
FOR SCROLL COMPRESSORS (208 - 230V)
7. Route the crankcase heater leads along the existing
compressor lead wires, underneath the coil and up
into the top of the control box. Use wire ties to
secure the crankcase heater wires to the compres-
sor lead wires. 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.
8. In the control box, route the two (2) crankcase
heater lead wires down to the compressor motor
contactor (MS). Cut both wires to obtain proper
length; terminate the wires for connection to the
contactor. Connect the leads to the L1 and L2
terminals of the contactor as shown in the diagram.
(See Figure 1.)
NOTE: Connect both leads on the line side of the
contactor. (See Figure 1.)
9. Place the wiring diagram provided with the kit on
the inside of the control box cover.
10. Reinstall the side panel and the unit top, and the
control box cover.
11. Reapply power to the unit.
12. The crankcase heater should immediately begin to
heat.
13. The crankcase heater will heat at all times.
14. Reset the thermostat.
18-HE48D1-2