Si33-105
ii
Table of Contents
4. Outline of Control (Indoor Unit) .............................................................97
Drain Pump Control................................................................................97
Louver Control for Preventing Ceiling Dirt..............................................99
Thermostat Sensor in Remote Controller.............................................100
Part 4 Test Operation R407C PLUS Series
Heat Recovery System................................................... 103
Procedure and Outline .........................................................................104
Operation When Power is Turned On ..................................................106
Outdoor Unit PC Board Ass’y...............................................................107
Low Noise Operation............................................................................119
Wiring Check Operation .......................................................................121
Additional Refrigerant Charge Operation .............................................122
1.10 Refrigerant Recovery Mode .................................................................123
1.11 Backup and Emergency Operation ......................................................124
1.12 Indoor Field Setting ..............................................................................126
1.13 Centralized Control Group No. Setting.................................................132
1.14 Contents of Control Modes...................................................................134
Part 5 Troubleshooting R407C PLUS Series
Heat Recovery System................................................... 137
Indoor Unit Operation Flowchart ..........................................................139
2. Troubleshooting by Remote Controller ...............................................144
The INSPECTION / TEST Button.........................................................144
Self-diagnosis by Wired Remote Controller .........................................145
Self-diagnosis by Wireless Remote Controller .....................................146
Remote Controller Service Mode .........................................................151
Remote Controller Self-Diagnosis Function .........................................153
Indoor Unit: Error of External Protection Device ..................................157
Indoor Unit: PC Board Defect...............................................................158
Indoor Unit: Malfunction of Drain Level Control System (33H).............159
Indoor Unit: Fan Motor (M1F) Lock, Overload......................................160
Indoor Unit: Malfunction of Swing Flap Motor (M1S)............................161
Indoor Unit: Drain Level above Limit ....................................................163
Indoor Unit: Malfunction of Capacity Determination Device .................164
Indoor Unit: Malfunction of Thermistor (R2T) for Liquid Pipe ...............165
3.10 Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes ................166
3.11 Indoor Unit: Malfunction of Thermistor (R1T) for Air Inlet.....................167
Summary of Contents for R407C PLUS
Page 1: ...System R407C PLUS Series Heat Recovery System Si33 105 Service Manual ...
Page 11: ...Introduction Si33 105 x ...
Page 41: ...Specifications Si33 105 30 Specifications R407C PLUS Series Heat Recovery System ...
Page 147: ...Test Operation Si33 105 136 Test Operation R407C PLUS Series Heat Recovery System ...
Page 263: ...Si33 105 iv Index ...