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Manafacture: Carrier File size: 70.33 kb File name: 31kax-11si.pdf Language of manual:

of insulation from wire. Splice wires to new power supply wires with wire nuts provided in kit. (See Fig. 1.) 3. Remove existing surge resistor, if applicable, and discard. Surge resistor is an integral part of the new power supply. 4. Install proper length bus bar. 5. Route wires so they will not contact high-voltage circuit and install wire clip. 6. Reinstall power door in air cleaner. 7. Turn on main electrical supply to the air cleaner and air handler. 8. Check air cleaner for proper operation before leaving the job. ® Step 4—Install of New Power Supply in 120v Models 31KAX, 31SX, 901E and G, and 901KAX 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 1 4 PC 101 Catalog No. 533-104 Printed in U.S.A. Form 31KAX-11SI Pg 1 7-95 Replaces: 31KAX-6SI Tab 7a 9a EXISTING SURGE RESISTOR BUSBAR EXISTING WIRES GND TYPICAL WIRENUT (WHEN REQUIRED) WIRE CLIP BLK RED OR VIO WHT RED RED WHT BLK VIO EXISTING SURGE RESISTOR BUSBAR EXISTING WIRES GND TYPICAL WIRENUT (WHEN REQUIRED) WIRE CLIP BLK RED OR VIO WHT RED RED WHT BLK VIO A95271 Fig. 1—Models 31MB, 31MM, 31MP, 31SX, 907A, 901A/B, 901E/G, 907B/C with 120-60-1 Electrical Supply 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. 2 BUSBAR GND WIRE TIE BLK BLKBLK YEL YEL YEL VIO VIO RED BUSBAR GND WIRE TIE BLK BLKBLK YEL YEL YEL VIO VIO RED A95272 Fig. 2—Models 31SX, 901E, and 901G with 240-60-1 Electrical Supply BUSBAR BLUE/SILVER BLUE/GOLD BLK WHT A95273 Fig. 3—Models 31KAX/901KAX with 120-60-1 Electrical Supply 3 "Z" BUSBAR MOUNTING PLATE WIRE CLIP SPLICE CONNECTORS TRANSFORMER BLK BLK BLK WHT WHT WHTBLUE/SILVER BLUE/GOLD "Z" BUSBAR MOUNTING PLATE WIRE CLIP SPLICE CONNECTORS TRANSFORMER BLK BLK BLK WHT WHT WHTBLUE/SILVER BLUE/GOLD 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 4 PC 101 Catalog No. 533-104 Printed in U.S.A. Form 31KAX-11SI Pg 4 7-95 Replaces: 31KAX-6SI Tab 7a 9a ...

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