Daikin BSVQ36MVJU, Serivce Manual

Page: 3 / 273

SiUS39-601
ii Table of Contents
3.7 Pressure Equalization prior to Startup ........................................................ 48
4. Protection Control .....................................................................................49
4.1 High Pressure Protection Control............................................................... 49
4.2 Low Pressure Protection Control................................................................ 50
4.3 Discharge Pipe Protection Control ............................................................. 51
4.4 Inverter Protection Control ......................................................................... 52
4.5 STD Compressor Overload Protection....................................................... 53
5. Other Control.............................................................................................54
5.1 Outdoor Unit Rotation................................................................................. 54
5.2 Emergency Operation ................................................................................ 55
5.3 Demand Operation ..................................................................................... 57
5.4 Heating Operation Prohibition .................................................................... 57
6. Outline of Control (Indoor Unit) .................................................................58
6.1 Drain Pump Control.................................................................................... 58
6.2 Thermostat Sensor in Remote Controller................................................... 60
6.3 Freeze Prevention ...................................................................................... 62
Part 5 Test Operation .................................................................... 63
1. Test Operation ..........................................................................................64
1.1 Procedure and Outline ............................................................................... 64
1.2 Operation When Power is Turned On ........................................................ 67
2. Outdoor Unit PC Board Layout .................................................................68
3. Field Setting ..............................................................................................69
3.1 Field Setting from Remote Controller ......................................................... 69
3.2 Field Setting from Outdoor Unit.................................................................. 81
Part 6 Troubleshooting ................................................................ 105
1. Troubleshooting by Remote Controller ...................................................108
1.1 The INSPECTION / TEST Button............................................................. 108
1.2 Self-diagnosis by Wired Remote Controller ............................................. 109
1.3 Self-diagnosis by Wireless Remote Controller ......................................... 110
1.4 Operation of The Remote Controller’s Inspection /
Test Operation Button .............................................................................. 112
1.5 Remote Controller Service Mode ............................................................. 113
1.6 Remote Controller Self-Diagnosis Function ............................................. 115
2. Troubleshooting by Indication on the Remote Controller ........................120
2.1 “
A0
” Indoor Unit: Error of External Protection Device ............................... 120
2.2 “
A1
” Indoor Unit: PC Board Defect............................................................. 121
2.3 “
A3
” Indoor Unit: Malfunction of Drain Level Control System (S1L) .......... 122
2.4 “ A6 ” Indoor Unit: Fan Motor (M1F) Lock, Overload................................... 124
2.5 “
A7
” Indoor Unit: Malfunction of Swing Flap Motor (MA) ........................... 125
2.6 “ A9 ” Indoor Unit: Malfunction of Moving Part of
Electronic Expansion Valve (20E) ............................................................ 127
2.7 “ AF ” Indoor Unit: Drain Level above Limit.................................................. 129
2.8 “ AJ ” Indoor Unit: Malfunction of Capacity Determination Device .............. 130
2.9 “ C4 ” Indoor Unit: Malfunction of Thermistor (R2T) for Heat Exchanger .... 131