Carrier 120-60-1 - Manual (Page 2)

2. Remove wires from power supply and discard.
3. Connect existing wires and busbar for models 31SX and 901E
also G. (See Fig. 1.) Do the same for models 31KAX and
901KAX. (See Fig. 3.)
4. Reinstall power door in air cleaner.
5. Turn on main electrical supply to air cleaner and air handler.
6. Check air cleaner for proper operation before leaving job.
Step 5—Install New Power Supply in 240v Models
31KAX, 31SX, 901E also G, and 901KAX
1. Using 4 sheet-metal screws provided in kit, install new power
supply.
2. Remove and discard wires from power supply.
3. Connect existing wires and bus bar for models 31SX and 901E
also G. (See Fig. 2.) Do the same for models 31KAX and
901KAX. (See Fig. 4.)
4. Reinstall power door in air cleaner.
5. Turn on main electrical supply to air cleaner and air handler.
6. Check air cleaner for proper operation before leaving job. If
the unit fails to operate, check for faulty transformer.
Fig. 1—Models 31MB, 31MM, 31MP, 31SX, 907A, 901A/B, 901E/G, 907B/C with 120-60-1 Electrical Supply
A95271
EXISTING SURGE
RESISTOR
BUSBAR
EXISTING
WIRES
GND
TYPICAL WIRENUT
(WHEN REQUIRED)
WIRE CLIP
BLK
RED OR
VIO
WHT
RED
RED
WHT
BLK
VIO
2