14
Fig. 19 — TXV Valve and Sensing Bulb
COOLING CHARGING CHARTS
How To Use Cooling Charging Charts
Take the outdoor ambient temperature and read the suction
pressure gauge. Refer to chart to determine what suction tem-
perature should be. If suction temperature is high, add refriger-
ant. If suction temperature is low, carefully recover some of the
charge. Recheck the suction pressure as charge is adjusted.
EXAMPLE:
50HCQD12
Outdoor Temperature . . . . . . . . . . . . . . . . . . 85° F (29° C)
Suction Pressure . . . . . . . . . . . . . . . . . 140 psig (965 kPa)
Suction Temperature should be . . . . . . . . . . 55° F (13° C)
Refer to Fig. 20-28 for Cooling Charging Charts.
Fig. 20 — Cooling Charging Chart — 50HCQA04
Fig. 21 — Cooling Charging Chart — 50HCQA05
SIZE DESIGNATION
NOMINAL TONS REFERENCE
A04
3.0
A05
4.0
A06
5.0
A07
6.0
D07
6.0
D08
7.5
D09
8.5
D12
10.0
TXV SENSING
BULB
CLAMP
THERMAL EXPANSION
(TXV) VALVE
SENSING BULB INSULATION REMOVED FOR CLARITY
COOLING CHARGING CHARTS
Содержание 50HCQ04---12
Страница 85: ...85 APPENDIX E WIRING DIAGRAMS cont Fig B 50HCQA04 A05 Control Wiring Diagram 208 230 1 60 208 230 3 60 460 3 60...
Страница 86: ...86 APPENDIX E WIRING DIAGRAMS cont Fig C 50HCQA04 A05 Control Wiring Diagram 575 3 60...
Страница 87: ...87 APPENDIX E WIRING DIAGRAMS cont Fig D 50HCQ 06 Control Wiring Diagram 208 230 1 60 208 230 3 60 460 3 60...
Страница 88: ...88 APPENDIX E WIRING DIAGRAMS cont Fig E 50HCQ 06 Control Wiring Diagram 575 3 60...
Страница 93: ...93 APPENDIX E WIRING DIAGRAMS cont Fig J 50HCQ 04 05 06 Power Wiring Diagram 208 230 1 60...
Страница 94: ...94 APPENDIX E WIRING DIAGRAMS cont Fig K 50HCQ 04 05 06 Power Wiring Diagram 208 230 3 60...
Страница 95: ...95 APPENDIX E WIRING DIAGRAMS cont Fig L 50HCQ 04 05 06 Power Wiring Diagram 460 3 60...
Страница 96: ...96 APPENDIX E WIRING DIAGRAMS cont Fig M 50HCQ 04 05 06 Power Wiring Diagram 575 3 60...
Страница 97: ...97 APPENDIX E WIRING DIAGRAMS cont Fig N 50HCQA07 Power Wiring Diagram 208 230 3 60 460 3 60 575 3 60...
Страница 98: ...98 APPENDIX E WIRING DIAGRAMS cont Fig O 50HCQD07 Power Wiring Diagram 208 230 3 60 460 3 60 575 3 60...
Страница 99: ...99 APPENDIX E WIRING DIAGRAMS cont Fig P 50HCQ 08 09 Power Wiring Diagram 208 230 3 60 460 3 60 575 3 60...
Страница 100: ...100 APPENDIX E WIRING DIAGRAMS cont Fig Q 50HCQ 12 Power Wiring Diagram 208 230 3 60...
Страница 101: ...101 APPENDIX E WIRING DIAGRAMS cont Fig R 50HCQ 12 Power Wiring Diagram 460 3 60 575 3 60...
Страница 102: ...102 APPENDIX E WIRING DIAGRAMS cont Fig S 50HCQ PremierLink Control Diagram...
Страница 103: ...103 APPENDIX E WIRING DIAGRAMS cont Fig T 50HCQ RTU Open Control Diagram...