FIGURE 6.40 Schematic diagram of heat pump with solid-state defrost contral L1 L2 240 V/10/60 Hz. (Outdoor unit) COMP DT DB1 AVS DB2 R SHR1 SHR2 DB3 ODT BR Legend Contactor COMP Compressor OFM Outdoor fan motor BM DB Defrost board BR Defrost thermostat Reversing valve solenoid Strip heat relay a1 Strip heat relay a2 Blower relay DT RVS SHR1 SHR2 BR SHR1 SHT1 SH1 SHT1 SHT2 Strip heat thermostat 2 SH1 SH2 Strip heat thermostat 1 Strip heater 1 Strip heater 2 Outdoor thermostat Blower motor SHR2 SHT2 SH2 ODT (Indoor unit) BM 240 V/10/60 Hz- L1 12

FIGURE 6.40 Schematic diagram of heat pump with solid-state defrost contral L1 L2 240 V/10/60 Hz. (Outdoor unit) COMP DT DB1 AVS DB2 R SHR1 SHR2 DB3 ODT BR Legend Contactor COMP Compressor OFM Outdoor fan motor BM DB Defrost board BR Defrost thermostat Reversing valve solenoid Strip heat relay a1 Strip heat relay a2 Blower relay DT RVS SHR1 SHR2 BR SHR1 SHT1 SH1 SHT1 SHT2 Strip heat thermostat 2 SH1 SH2 Strip heat thermostat 1 Strip heater 1 Strip heater 2 Outdoor thermostat Blower motor SHR2 SHT2 SH2 ODT (Indoor unit) BM 240 V/10/60 Hz- L1 12

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter44: Geothermal Heat Pumps

Section: Chapter Questions

Problem 2RQ: An important factor (or factors) involving water quality with regard to open-loop heat pump systems...

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