Trane TWA075A - Jobsite Connections and Wiring; Wiring for TWA050;TWE050; Wiring for TWA050;TWE100 B; Wiring for TWA075 A;TWE075 A and TWA100 A;TWE100 A

33SSP-PRC002-EN
Jobsite
Connections
Wiring shown with dashed lines is to be
furnished and installed 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.
NOTE:
1. 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.
TWA050/TWE050
Field Wiring:
A — 3 power wires. Line voltage.
B — 3 power wires. Line voltage.
C — Heat pump thermostat: 6 wires,
24 volts.
— Electric heat: add 2 additional
wires, 24 volts.
D — 2 wires, 24 volts.
— Outdoor thermostat: add 1
additional wire per ODT, 24 volts.
— Electric heat: add 1 additional
wire, 24 volts.
(2) TWA050/TWE100B
Field Wiring:
A — 3 power wires. Line voltage.
B — 3 power wires. Line voltage.
C — Heat pump thermostat: 7 wires,
24 volts Electric Heat: add 2
additional wires, 24 volts.
D — 5 wires, 24 volts to outdoor
section ‘’A’’ 2 wires, 24 volts to
outdoor section ‘’B’’ 2 wires, 24
volts between outdoor sections
‘’A’’ ‘’B’’
— Electric heat: add 1 additional
wire, 24 volts.
— Outdoor thermostat: add 1
additional wire, 24 volt.
TWA075A/TWE075A;
TWA100A/TWE100A
Field Wiring:
A — 3 power wires, line voltage.
B — 3 power wires, line voltage.
C — Heat pump thermostat: 6 wires,
24 volts.
— Electric heat: add 2 additional
wires, 24 volts.
D — 6 wires, 24 volts.
— Outdoor thermostat: add 1
additional wire, 24 volts.
— Electric heat: add 1 additional
wire, 24 volts.
(2) TWA075A/TWE155B;
(2) TWA100A/TWE200B
Field Wiring:
A — 3 power wires, line voltage.
B — 3 power wires, line voltage.
C — Heat pump thermostat: 7 wires,
24 volts.
— Electric heat: add 2 additional
wires, 24 volts.
D — 9 wires, 24 volts.
— Electric heat: add 4 additional
wires, 24 volts.
— Outdoor thermostat: add 3
additional wires, 24 volts.
TWA155B/TWE155B;
TWA200B/TWE200B
Field Wiring:
A — 3 power wires, line voltage.
B — 3 power wires, line voltage.
C — Heat pump thermostat: 7 wires,
24 volts.
— Electric heat: add 2 additional
wires, 24 volts.
D — 7 wires, 24 volts.
— Electric heat: add 4 additional
wires, 24 volts.
— Outdoor thermostat: add 1
additional wire, 24 volts.