IM 781-2 Page 55
Step 7. Secure the new battery to the bottom of the unit with the bracket and tighten the lock nut.
Step 8. Plug the power connector in and verify normal operation.
Parts List
Standard replacement parts are listed in Table 13.can be order from McQuay Parts.
Table 13. Standard Replacement Parts
Part Number Description
300000326 Battery, 12 VDC, 1.2 AH
300000327 LON Plug, 2-position
300000330 RS-485 connector plug, 3-position
300000329 Battery/ground harness (also includes 6-position power connector)
300000328 Transformer, 120V/28VA, Center Tapped
300042240 Transformer, 230V/28VA, Center Tapped
300000332 CSM Circuit Board*
300040423 CSM Circuit Board with Internal Modem*
300040338 Onboard I/O board
300040339 Onboard I/O ribbon cable
300040340 Screw terminal connectors, 6-position
300040341 Resistors, 499 Ohm
*Serial number and job name from original CSM order are required for ordering a replacement CSM main circuit board.
See Replacement Parts List (RPL) 700001700 for a diagram and location of serial number label.
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