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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
Página 18
Diagrama de cableado en campo
UNIT CONTROL BOX
UNIT LOW VOLTAGE AREA
TYPICAL THERMOSTAT
UNIT HEATER AREA
FACTORY PROVIDED
ELECTRIC
FIELD CONNECTED
HEATER
WIRES
CONTROL
BOX
UNIT
HEATER
FUSES
FUSES
SPE
ACCESSORY
KIT
SEE SPEK INSTALLER'S GUIDE
FOR ALL OTHER EXAMPLES
(WH)
W1
W2
(WH)
OUTDOOR
THERMOSTAT
ACCESSORY
BAYSTAT033A
NOTE 10
Figura 20. 4WCY4 Diagrama de cableado en campo
UNIT HEATER AREA
POLARIZED
PLUG
ELECTRIC
HEATER
CONTROL
BOX
B
COMMON
G
FAN
Y
COMPRSSOR
W1
1ST STAGE ELECTRIC HEAT
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
NOTES:
1. FUSED DISCONNECT SIZE, POWER WIRING AND
GROUNDING OF EQUIPMENT MUST COMPLY WITH
CODES.
2. BE SURE POWER SUPPLY AGREES WITH EQUIP-
MENT 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, AS-
SOCIATED 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 ECONO-
MIZER 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 RE-
QUIRED TO INTERFACE THE ECONOMIZER TO THE
HEAT PUMP FOR PROPER SYSTEM OPERATION.
10. THE BAYSTAT033A OUTDOOR THERMOSTAT AC-
CESSORY KIT CONTAINS A THERMOSTAT AND A
RELAY. THE RELAY IS NOT REQUIRED TO BE USED
IN THIS APPLICATION.
B
(BL)
(GR)
G
Y
(YL)
(WH)
W1
(WH)
W2
(OR)
O
(BR)
T
(RD)
R
W1
W2
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