Trane 18-BC55D1-2 Installer'S Manual Download Page 2 | Manualshive

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Summary of Contents for 18-BC55D1-2

Page 1: ...emain sealed whenever pos sible Never break a vacuum with air and alwa_Ls change the driers when opening the system for component replacement Check for transportation damage after unit is uncrated Rep...

Page 2: ...EFRIGERANT LINES If using existing refrigerant lines make certain that all joints are brazed not soldered Condensing units have provisions for braze connections Pressure taps are provided on the servi...

Page 3: ...zing 8 Braze using accepted good brazing techniques LEAK CHECK IMPORTANT Replace pressure tap port valve core before attaching hoses for evacuation After the brazing operation of refrigerant lines to...

Page 4: ...results in the normal mode of operation 2 TST Test Shorting TEST_COMMON to this pin speeds up all defrost board timings 3 FRC_DFT Forced Defrost Short TEST_COMMON to this pin for two 2 seconds to init...

Page 5: ...D FROM D 54050P01 2 STAGE I HAT PUMP R ODTA B BR I 0 Notes 1 Be sure power supply agrees with equipment nameplate 2 Power wiring and grounding of equipment must comply with local codes 3 Low voltage w...

Page 6: ...LECIRICAL POWER SUPPLY LIQUID L N VALVE E II FEMALE H F BRAZE CONNECTION WITH 1 4 SAE RLARE PRESSURE TAP FITTINGS FIG 1 FOR A TERNATE ELECTRICAL ROUTING _GAS NE _ 4 TURN BALi SERV CF VALVE 0 ID RFMALF...

Page 7: ...DIMENSIONS ARE IN MM INCHES _DRIII 4 P ES _ i5 i9 22i 869 NOTE T 317 12 48 For model base size see table on page 6 82 5 99 99 5l BASE 3 310 2 20 599 23 58 158 6 24 _DR LL 4 PLACES 795 28 717 28 24 727...

Page 8: ...at 11 Is correct speed tap being used Indoor blower motor 12 Operate complete system in each mode to insure safe operation TROUBLESHOOTING CHART WHAT TO CHECK SYSTEM FAULTS REFRIGERANT CIRCUIT HeadPre...

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