Table Of Contents - Century B-VMH36SD-1 Service Manual

Table of Contents

Service Manual1
Table Of Contents2
Safety Precaution3
Warning3
Part Names And Functions5
Model Names Of Indoor/Outdoor Units5
Part Names Of Indoor/Outdoor Units6
Dimension7
Indoor Unit7
Outdoor Unit9
Refrigerant Cycle Diagram10
Installation Details11
Wrench Torque Sheet For Installation11
Connecting The Cables11
Pipe Length And The Elevation11
Wiring Diagram11
Initial Installation12
Adding The Refrigerant After Running The System For Many Years12
Air Purging With Vacuum Pump12
Procedure12
Re-Installation If The Indoor Unit Has Been Repaired13
Evacuation For The Whole System13
Refrigerant Charging14
Operation Characteristics15
Electronic Function16
Abbreviation16
Display Function16
Icon Explanation On Indoor Display Board16
Main Protection17
Operation Modes And Functions18
Fan Mode18
Cooling Mode18
Heating Mode18
Auto-Mode19
Drying Mode20
Forced Operation Function20
Auto-Restart Function20
Refrigerant Leakage Detection20
Point Check Function21
Troubleshooting23
Safety23
Electrolytic Capacitors23
Indoor Unit Error Display24
Outdoor Unit Error Display25
Ipm Board27
Diagnosis And Solution28
Eeprom Parameter Error Diagnosis And Solution28
Indoor/Outdoor Unit's Communication Diagnosis and Solution29
Zero Crossing Detection Error Diagnosis And Solution31
Fan Speed Has Been Out Of Control Diagnosis And Solution32
Indoor Or Outdoor Dc Fan Motor33
Outdoor Dc Fan Motor33
Indoor Ac Fan Motor33
Open/Short Circuit Of Temperature Sensor Diagnosis And Solution34
Refrigerant Leakage Detection Diagnosis And Solution35
Overload Current Protection Diagnosis And Solution36
Ipm Malfunction/Igbt Over-Strong Current Protection Diagnosis/Solution37
Over Voltage/Too Low Voltage Protection Diagnosis And Solution42
High Temperature Protection Of Ipm Module Diagnosis/Solution43
Inverter Compressor Drive Error Diagnosis And Solution44
Ipm Continuity Check45
Low Pressure Protection Diagnosis And Solution47
Main Parts Check48
Temperature Sensor Checking48
Temperature Sensor Resistance Value Table For T1,T2,T3,T449
Temperature Sensor Resistance Value Table For Tp50
Compressor Checking53
Pressure On Service Port55
Cooling Chart55
Heating Chart56
Disassembly Instructions57
Front Panel57
Electrical Parts58
Evaporator59
Fan And Motor60
Panel Plate61
Fan Assembly62
Four-Way Valve65
Compressor65
Fan Ass'y73