Carrier 120 60 1 User Manual

Electronic Air Cleaner  
120-60-1 Power Supply Kit  
Cancels: IIK 901K-12-5  
IIK 901K-12-7  
7-95  
Installation Instructions  
Part No. 322044-701  
NOTE: Read the entire instruction manual before starting the  
installation.  
Use care when attaching wires or bus bar to the new power  
supply to avoid damaging terminals and/or printed-circuit  
board.  
This symbol indicates a change since the last issue.  
SAFETY CONSIDERATIONS  
Step 2—Install New Power Supply in Model 31MB or  
907A  
Recognize safety information. This is the safety-alert symbol  
When you see this symbol on the unit and in instructions or  
manuals, be alert to the potential for personal injury.  
.
1. Cut terminal ends off wires disconnected from failed power  
supply and strip 1/2 in. insulation from wires.  
Understand the signal words DANGER, WARNING, and CAU-  
TION. These words are used with the safety-alert symbol. DAN-  
GER identifies the most serious hazards which will result in severe  
personal injury or death. WARNING signifies a hazard which  
could result in personal injury or death. CAUTION is used to  
identify unsafe practices which would result in minor personal  
injury or product and property damage.  
2. Using 4 sheet-metal screws provided in kit, install new power  
supply.  
3. Choose proper length bus bar (2-3/16 in.) and assemble angle  
bracket to bus bar. (See Fig. 1.)  
4. Using machine screw and nut, attach existing surge resistor to  
angle bracket. (See Fig. 1.)  
5. Attach bus bar to high-voltage terminal of power supply.  
INTRODUCTION  
6. Using wire nuts provided in kit, splice wires. Violet wire can  
attach to either red wire. (See Fig. 1.)  
This instruction covers the installation of power supply kit Part No.  
322044-701 in an electronic air cleaner with a 120v-60Hz-1 phase  
power supply.  
7. Route wires so they will not contact high-voltage circuit and  
install wire clip.  
8. Reinstall power door in air cleaner.  
9. Turn on main electrical supply to the air cleaner and air  
handler.  
DESCRIPTION AND USAGE  
10. Check air cleaner for proper operation before leaving job.  
The kit is designed to replace both current and previous design  
power supplies for duct-mounted models only. See Step 2 for  
models 31MB and 907A; see Step 3 for models 31MM, 31MP,  
901A and B also 907B and C; see Step 4 for models 31SX, 120v  
31KAX, 901E and G, 120v 901KAX; see Step 5 for 240v models  
31SX, 31KAX, 901E, 901KAX, and 901G.  
Step 3—Install New Power Supply in Models 31MM,  
31MP, 901A and B, also 907B and C  
1. Using 4 sheet-metal screws provided in kit, install new power  
supply.  
2. Cut terminal ends off wires disconnected from failed power  
supply and strip 1/2 in. of insulation from wire. Splice wires  
to new power supply wires with wire nuts provided in kit. (See  
Fig. 1.)  
The kit contains the following items:  
Power supply  
1
Busbar assembly (2-3/16 in., 4-13/16 in., and 8-1/2 in.)  
1 each  
Wirenut  
4
4
2
1
1
1
1
Phillips-head sheet-metal screw  
6-32 machine screw  
Hex nut  
3. Remove existing surge resistor, if applicable, and discard.  
Surge resistor is an integral part of the new power supply.  
Wire clip  
4. Install proper length bus bar.  
Angle bracket  
5. Route wires so they will not contact high-voltage circuit and  
install wire clip.  
Installation Instructions  
6. Reinstall power door in air cleaner.  
INSTALLATION  
7. Turn on main electrical supply to the air cleaner and air  
handler.  
Step 1—Remove Power Supply  
8. Check air cleaner for proper operation before leaving the job.  
1. Turn off main electrical supply to air cleaner and air handler.  
2. Remove power door from air cleaner. Remove inside of door  
Step 4—Install of New Power Supply in 120v Models  
to expose the power supply.  
31KAX, 31SX, 901E and G, and 901KAX  
3. Disconnect existing wires from existing power supply.  
4. Remove existing power supply from power door.  
1. Using 4 sheet-metal screws provided in kit, install new power  
supply.  
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.  
Book  
Tab 7a 9a  
1
4
PC 101  
Catalog No. 533-104  
Printed in U.S.A.  
Form 31KAX-11SI  
Pg 1  
7-95  
Replaces: 31KAX-6SI  
WIRE TIE  
BLK  
YEL  
VIO  
RED  
BLK  
BLK  
BUSBAR  
YEL  
YEL  
VIO  
GND  
A95272  
Fig. 2—Models 31SX, 901E, and 901G with 240-60-1 Electrical Supply  
BUSBAR  
BLUE/SILVER  
BLK  
BLUE/GOLD  
WHT  
A95273  
Fig. 3—Models 31KAX/901KAX with 120-60-1 Electrical Supply  
3
TRANSFORMER  
BLK  
BLK  
"Z" BUSBAR  
WHT  
WHT  
WHT  
BLK  
BLUE/SILVER  
BLUE/GOLD  
WIRE CLIP  
MOUNTING  
PLATE  
SPLICE CONNECTORS  
Fig. 4—Models 31KAX/901KAX with 240-60-1 Electrical Supply  
Copyright 1995 Carrier Corporation  
901k127  
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.  
Book  
Tab 7a 9a  
1
4
PC 101  
Catalog No. 533-104  
Printed in U.S.A.  
Form 31KAX-11SI  
Pg 4  
7-95  
Replaces: 31KAX-6SI  

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