Field Wiring Diagrams - Trane UD1A040A9241A Series Installer's Manual

Make wiring connections to the unit as indicated on enclosed
wiring diagram. As with all gas appliances using electrical
power, this furnace shall be connected into a permanently
live electric circuit. It is recommended that it be provided
with a separate "circuit protection device" electric circuit.
The furnace must be electrically grounded in accordance
with local codes or in the absence of local codes with the
National Electrical Code, ANSI/NFPA 70 "latest edition" or
Canadian Electrical Code, CSA C22.1, if an external electri-
cal source is utilized.
B/C
OUTDOOR UNIT
(NO TRANSFORMER)
18-CD19D7-22

FIELD WIRING DIAGRAMS

FIELD WIRING DIAGRAM FOR 1 STAGE FURNACE
1 STAGE HEATING
USING A 1 STAGE HEATING THERMOSTAT
FURNACE
SEE
NOTE 7
TWIN
SEE
TO 115 V 1 PH.,
NOTE 6 60 HZ., POWER
B/C
SUPPLY PER
LOCAL CODES
HUM SEE
NOTE 5
EAC SEE
NOTE 5
FIELD WIRING DIAGRAM FOR 1 STAGE FURNACE
1 STAGE HEATING, 1 STAGE COOLING
USING A 1 STAGE HEATING, 1 STAGE COOLING THERMOSTAT
(OUTDOOR SECTION WITHOUT TRANSFORMER)
FURNACE
SEE
NOTE 7
TWIN
SEE
NOTE 8
SEE
NOTE 6
B/C
B/C
All field supplied wiring must conform with the tempera-
ture limitation for Type T wire [63° F. (35° C)], when in-
stalled in accordance with these instructions and wiring
diagrams supplied with the furnace. A disconnecting means
must be located within sight from, and readily accessible to,
the furnace.
Refer to the SERVICE FACTS literature for unit wiring
diagrams in addition to the diagram inside the blower door.
NO COOLING
TO 115 V 1 PH.,
60 HZ., POWER
SUPPLY PER
LOCAL CODES
HUM SEE
NOTE 5
EAC SEE
NOTE 5
Installer's Guide
From Dwg. B341437 Rev. 1
From Dwg. B341436 Rev. 1
15