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6 months ago

McQuay_WHS_manual_Eng

Control Box Back Panel-

Control Box Back Panel- Right Side Diagram 113 139 140 184 182 183 T4 03 02 01 J5 3 2 1 J1 EXV Board 4 3 2 1 J2 26 Pin AOX- 04 Board 26 Pin 976 972 971 119 BLK GRN RED WHT 1 2 3 4 J3 BLK GRN RED WHT 1 2 3 4 J4 J2 AC AC DC G J3 - + J4 - + J5 - + J6 - + 970 102 523 525 102A 106 Running Reset Active Power In 18- 24 VCT Compressor Switch 1 2 Keypad/LCD Display CPU Status Output HI Power Fuses AUX Out LO ADDRESS WARNING MCB 280 Digital Outputs 107 109 102B FUSE 1 2 3 4 PORT A PORT B COMMUNICATIONS 524 525 Analog Inputs Digital Inputs 108 108 ADI Board AH4 AH5 AH6 AH1 AH2 AH3 DH1 DH2 DH3 125 typ. 126 typ. 103 104 113 TB2 T3 TB2 3 2 1 TB1 1 2 3 4 Guardistor Board #1 TB2 3 2 1 TB1 1 2 3 4 Guardistor Board #1 SC1 SC2 522 125 126 154 160 142 143 Screw Chiller; WHS 220 Vintage A New 07/12 RPL 7000246 / Page 16

Control Box Back Panel- Right Side Components Ref. Part No. Description Number Qty. 102 MCB280 Main Controller (must be programmed) 065487350 1 102A Power Fuse on MCB GDCT 2A 065822001 2 102B COM Port Fuse .25A 065821901 4 103 ADI Board 065816003 1 104 Circuit Board Mount- 11" 055727206 1 106 Ribbon Cable- 34C 049265103 1 107 Ribbon Cable- 50C 049265208 1 108 Ribbon Cable- 50C 072941801 2 109 Cable Clip 049766201 2 113 T3 & T4 Transformer 24V- 18V 046738114 2 119 Compressor Switch 125V 071995301 1 125 Terminal Block 065499909 11 126 Terminal Block Cover 065500009 11 139 EXV Board Mounting Channel 055727202 1 140 EXV Board 067001601 1 142 SC1 & SC2 Signal Converter 049264901 2 143 Spacer for SC Board 048166702 8 154 Guardistor Control 067113001 2 160 Guardistor Control Mount 055727207 2 182 AOX Board 066794804 1 183 AOX Board Mount 055727203 1 184 Ribbon Cable- 26C 065499702 1 522 Bushing 036561900 1 523 Plug 4- Pin Female 049264502 1 524 Plug 6- Pin Female 049264501 2 525 Terminal Pin- Female 049264702 12 970 Modem Assembly (includes modem, cord set) 063585005 1 Modem only 059476901 1 Cord Set only 059476701 1 971 Modem Interface Cable 073372702 1 972 Modem Gasket 070199207 1 976 Modem Mounting Bracket- Vertical 073014701 1 Screw Chiller; WHS 220 Vintage A New 07/12 RPL 7000246 / Page 17