Field Wiring Diagram - Trane 2/4WCC30 Series Installer's Manual

Field Wiring Diagram

GROUND
WIRE
1 PH
1 PH
POWER
POWER
3 PH
3 PH
POWER POWER
UNIT HEATER
NOTE 1,8
SINGLE POWER ENTRY ACCESSORY CONNECTIONS
FIG. 1
UNIT CONTROL
BOX
TO COMPR.
CONTACTOR
UNIT LOW
VOLTAGE AREA
GROUND
WIRE
1 PH
POWER
3 PH
POWER
SINGLE POWR ENTRY
FIG. 3 OUTDOOR THERMOSTAT ACCESSORY CONNECTIONS
HEATER SECOND STAGE AMBIENT
TEMPERATURE LOCKOUT
NOTE 7,8
UNIT LOW
VOLTAGE
AREA
TYPICAL THERMOSTAT
UNIT CONTROL BOX
UNIT LOW VOLTAGE AREA
TYPICAL THERMOSTAT
UNIT HEATER AREA
FACTORY PROVIDED
ELECTRIC
FIELD CONNECTED
HEATER
WIRES
CONTROL
BOX
HEATER
UNIT
FUSES
FUSES
SPE
ACCESSORY
KIT
(WH)
W1
(WH) W2
OUTDOOR
THERMOSTAT
ACCESSORY
BAYSTAT033A
NOTE 10
Figure 20. WC Field Wiring Diagram
UNIT HEATER AREA
POLARIZED
PLUG
ELECTRIC
HEATER
CONTROL
BOX
B COMMON
G
FAN
Y
COMPRSSOR
1ST STAGE ELECTRIC HEAT
W1
W2 2ND STAGE ELECTRIC HEAT
O
SWITCHOVER VALVE
T DEFROST CONTROL 'T' SIGNAL
R
24 VOLTS
FIG. 2 ECONOMIZER ACCESSORY
CONNECTIONS
TO ECONOMIZER
(NOT APPLICABLE TO THE
FACTORY PROVIDED
WCM---F MODELS)
FIELD INSTALLED WIRES
NOTE 9
(BL)
(YL)
(GR)
(PR)
(OR)
(OR)
UNIT LOW
VOLTAGE AREA
TYPICAL 2-STAGE
THERMOSTAT
HEATER AMBIENT
TEMPERATURE LOCKOUT
NOTE 7,8
UNIT LOW
(WH)
VOLTAGE
AREA (WH)
OUTDOOR
THERMOSTAT
ACCESSORY
BAYSTAT033A
NOTE 10
TYPICAL THERMOSTAT
Installer's Guide
NOTES:
1. FUSED DISCONNECT SIZE, POWER WIRING AND
GROUNDING OF EQUIPMENT MUST COMPLY
WITH CODES.
2. BE SURE POWER SUPPLY AGREES WITH
EQUIPMENT AND HEATER NAMEPLATE.
3. LOW VOLTAGE WIRING TO BE 18 AWG MINIMUM
CONDUCTOR.
4. SEE HEATER NAMEPLATE FOR CURRENT
RATING OF HEATER USED.
5. SEE UNIT AND HEATER DIAGRAM FOR
ELECTRICAL CONNECTION DETAILS.
6. IF ELECTRIC HEATER ACCESSORY IS NOT
INSTALLED OMIT THE ELECTRIC HEATER,
ASSOCIATED POWER WIRES AND THE 'W' AND
'X2' THERMOSTAT WIRES.
7. FIG. 3 DEMONSTRATES CONNECTION OF THE
OUTDOOR THERMOSTAT ACCESSORY ONLY.
FOR FURTHER UNIT CONNECTION DETAILS
REFER TO THE OTHER FIGURES.
8. THE 41A(BR) WIRE IS FIRST STAGE ELECTRIC
HEAT. IF THE ELECTRIC HEATER ACCESSORY
HAS TWO HEATING STAGES THE 41C(BR) WIRE
IS SECOND STAGE ELECTRIC HEAT.
9. WHEN THE BAYECON054A OR –055A
ECONOMIZER IS INSTALLED THE BAYRLAY003
RELAY ACCESSORY KIT IS REQUIRED TO
INTERFACE THE ECONOMIZER TO THE HEAT
PUMP FOR PROPER SYSTEM OPERATION.
WHEN THE BAYECON054B OR –055B OR 073A
ECONOMIZER IS INSTALLED, THE
BAYRLAY004A RELAY ACCESSORY KIT IS
REQUIRED TO INTERFACE THE ECONOMIZER TO
THE HEAT PUMP FOR PROPER SYSTEM
OPERATION.
10. THE BAYSTAT033A OUTDOOR THERMOSTAT
ACCESSORY KIT CONTAINS A THERMOSTAT
AND A RELAY. THE RELAY IS NOT REQUIRED
TO BE USED IN THIS APPLICATION.
(BL) B
(GR)
G
Y
(YL)
(WH)
W1
(WH) W2
(OR) O
(BR) T
(RD) R
W1
W2
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