SSP-PRC001-EN 35
Wiring shown with dashed lines is to
be furnished and installed by the cus-
tomer. All customer- supplied wiring
must be copper only and must con-
form 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.
TWA060/TWE060A
Field Wiring:
A — 3 power wires. Line voltage for
3 phase; 2 wires for single phase.
B — 3 power wires. Line voltage for
3 phase; 2 wires for single phase
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) TW-048/TWE090B
(2) TW-030/TWE060B
(2) TW-060/TWE120B
Field Wiring:
A — 3 power wires. Line voltage for 3
phase; 2 wires for single phase.
B — 3 power wires. Line voltage for 3
phase; 2 wires for single phase.
C — Heat pump thermostat: 7 wires,
24 volts Electric Heat: add 2 addi-
tional wires, 24 volts.
D — 5 wires, 24 volts to outdoor sec-
tion A’’ 2 wires, 24 volts to out-
door 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.
TWA090A/TWE090A
TWA120A/TWE120A
Field Wiring:
A — 3 power wires, line voltage.
B — 3 power wires, line voltage for
3 phase; 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.
— Outdoor thermostat: add 1
additional wire, 24 volts.
— Electric heat: add 1 additional wire,
24 volts.
(2) TWA090A/TWE180B
(2) TWA120A/TWE240B
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.
TWA180B/TWE180B
TWA240B/TWE240B
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.
Jobsite
Connections
