3 PB
TABLE OF CONTENTS
COMPONENT TESTING‑ 58
Electronic Expansion Valve (EEV)‑ 58
Reversing Valve Description And Operation‑ 59
Testing The Reversing Valve Solenoid Coil‑ 60
Checking The Reversing Valve‑ 61
Replace The Reversing Valve‑ 62
Touch Test Chart : To Service Reversing Valves‑ 63
Heating Elements‑ 64
Fmc Board Pin Out‑ 65
Heater Board Pin Out‑ 66
Thermistor Values‑ 67
Thermistor Part numbers‑ 68
TROUBLESHOOTING‑ 69
VRP Troubleshooting Map‑ 69
Required Tools‑ 70
Required Skills‑ 71
Troubleshooting by Rule Out Methodology‑ 71
Troubleshooting Flowchart‑ 72
Wall Controller Not “Smart”‑ 73
Verify FMC Firmware‑ 74
Diagnostic Code Check‑ 75
Diagnostic Codes‑ 77
Diagnostic Code (Temperature Based)‑ 78
WIRING DIAGRAMS‑ 79
208/230V 2.5 & 3.4 kW‑ 79
265V 2.5 & 3.4 kW‑ 80
PARTS CATALOG‑ 81
Main Diagram‑ 81
Control Box Diagram‑ 87
Control Box Wiring‑ 89
ACCESSORIES‑ 91
Accessories ‑ Drain Kit‑ 91
CUSTOMER SATISFACTION and QUALITY ASSURANCE‑ 95
FRIEDRICH AUTHORIZED PARTS DEPOTS‑ 95
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