TWA-SVX01A-EN
15
Figure 8 -Typical Field Wiring
TWA090 & 075A/TWE090 & 075A
--B
--B
D
TWA120 & 100A/TWE120 & 100A
FIELD WIRING:
A-- 3 POWER WIRES, LINE VOLTAGE
B-- 3 POWER WIRES, LINE VOLTAGE FOR 3 PHASE;
--C
A--
2 WIRES FOR SINGLE PHASE
C-- HEAT PUMP THERMOSTAT: 6 WIRES, 24 VOLTS
-- ELECTRIC HEAT: ADD 2 ADDITIONAL WIRES, 24 VOLTS
D-- 6 WIRES, 24 VOLTS
Notes:
-- OUTDOOR THERMOSTAT: ADD 1 ADDITIONAL WIRE, 24 VOLTS
1. WIRING SHOWN WITH DASHED LINES IS TO BE FURNISHED AND INSTALLED
-- ELECTRIC HEAT: ADD 1 ADDITIONAL WIRE, 24 VOLTS
BY THE CUSTOMER. ALL CUSTOMER SUPPLIED WIRING MUST BE COPPER ONLY
AND MUST CONFORM TO NEC AND LOCAL ELECTRICAL CODES.
CODES MAY REQUIRE LINE OF SIGHT BETWEEN DISCONNECT SWITCH AND UNIT.
2. WHEN ELECTRIC HEATER ACCESSORY IS USED SINGLE POINT POWER ENTRY
OR DUAL POINT POWER ENTRY IS FIELD OPTIONAL, SINGLE POINT POWER
ENTRY OPTION IS THROUGH ELECTRIC HEATER ONLY.
Disconnect Switch
(By Others)
Note 2
Electric Heat
Accessory
Air Handler
Thermostat
Condensing
Unit
Disconnect
Switch
(By Others)
Disconnect Switch
(By Others)
Installation
