![background image](http://html1.mh-extra.com/html/carrier/50tc-17-series/50tc-17-series_service-and-maintenance-instructions_2561622018.webp)
18
and cannot be serviced separately; replace the entire core
body if necessary. Service tools are available from RCD
that allow the replacement of the check valve core without
having to recover the entire system refrigerant charge.
Apply compressor refrigerant oil to the check valve core’s
bottom o-ring. Install the fitting body with 96 ±10 in-lbs
of torque; do not over- tighten.
OUTLET
INLET
PUSHRODS
DIAPHRAGM
NEEDLE
VALVE
SPRING
DISTRIBUTOR
FEEDER TUBES
CAPILLARY TUBE
COIL
BULB
EXTERNAL EQUALIZER TUBE
C150325
Fig. 20
−
Thermostatic Expansion Valve (TXV) Operation
TXV SENSOR
BULB
CLAMP
CIRCUIT 1
CIRCUIT 2
TXV
(CIRCUIT 2)
TXV
(CIRCUIT 1)
TXV SENSOR
BULBS
TXV
SENSOR
BULBS
C12557
Fig. 21
−
TXV Sensor Bulb Locations
Summary of Contents for 50TC*17 Series
Page 39: ...39 C10818 Fig 44 RTU OPEN Control Module...
Page 69: ...69 APPENDIX IV WIRING DIAGRAMS C150370 Fig 58 50TC D30 Control Diagram 208 230 3 60...
Page 70: ...70 APPENDIX IV WIRING DIAGRAMS 5 C150368 Fig 59 50TC D30 Control Diagram 460 575 3 60...
Page 71: ...71 APPENDIX IV WIRING DIAGRAMS C150373 Fig 60 50TC D17 D30 Power Diagram 208 230 3 60...
Page 72: ...72 APPENDIX IV WIRING DIAGRAMS C12399 Fig 61 50TC D17 D30 Power Diagram 460 575 3 60...
Page 77: ...77 APPENDIX IV WIRING DIAGRAMS C12690 Fig 66 50TC PremierLinkt System Control Wiring Diagram...
Page 78: ...78 APPENDIX IV WIRING DIAGRAMS C12691 Fig 67 50TC RTU OPEN Wiring Diagram...
Page 79: ...79 APPENDIX IV WIRING DIAGRAMS C12689A Fig 68 50TC SAV VFD System Control Wiring Diagram...