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Si21-205
Index
iii
list of mode No. ................................................58
range of air flow direction ................................60
wireless remote controller ................................61
low Hz high pressure limit ....................................111
low-voltage detection ...........................................216
M
main circuit electrolytic capacitor check ...............227
MAIN/SUB switch (SS1) .........................................61
maintenance mode setting
forced fan ON ..................................................71
individual setting ..............................................71
malfunction hysteresis .....................................71
sensor data display ..........................................71
unit no. change ................................................71
malfunction hysteresis ............................................71
malfunction of drain water level system ...............143
malfunction of field setting switch .........................159
malfunction of heat exchanger thermistor (R2T) ..152
malfunction of heat exchanger thermistor (R3T) ..153
malfunction of indoor unit fan motor .....................147
malfunction of remote controller thermistor ..........155
malfunction of suction air thermistor ....................154
MID .................................................................70, 271
mode conflict ..........................................................84
mode hierarchy ..............................................88, 104
models, list of ...........................................................2
moisture protection function 1 ................................94
moisture protection function 2 ........................95, 110
molded interconnect device (MID) .................70, 271
motor valve ...........................................................281
multiple settings .....................................................62
N
noise absorption pad ............................................275
O
OL activation ................................................164, 195
outdoor air thermistor ...................................174, 207
outdoor unit fan system check (with AC motor) ...191
outdoor unit fan system check (with DC motor) ...224
outdoor unit identification function ..........................77
outdoor unit PCB (25/35 class) ......................67, 267
outdoor unit PCB (50/60 class) ......................69, 294
output over current detection .......................179, 212
over current, input ........................................166, 198
over current, output ......................100, 115, 179, 212
overload .......................................100, 115, 164, 195
over-voltage detection ..........................................183
P
P4 .................................................................173, 206
partition plate ................................................277, 302
PI control ........................................................90, 106
piping diagrams ....................................................312
piping work
drain (FFQ model) ...........................................37
drain (FHQ model) ...........................................47
refrigerant (FFQ model) ...................................35
refrigerant (FHQ model) ..................................44
position sensor abnormality .........................170, 203
power supply PCB ......................................... 69, 296
power supply waveforms check .................. 192, 225
power transistor check ................................ 193, 226
preheating operation ..................................... 91, 107
printed circuit board (PCB)
control PCB ............................................. 69, 298
indoor unit PCB (FFQ-B) ........................ 65, 250
indoor unit PCB (FHQ-B) ........................ 66, 256
MID ......................................................... 70, 271
outdoor unit PCB (25/35 class) ............... 67, 267
outdoor unit PCB (50/60 class) ............... 69, 294
power supply PCB .................................. 69, 296
service monitor PCB ............................... 69, 295
SPM ................................................................ 70
program dry operation function ............................. 82
propeller fan ................................................ 273, 292
R
R410A ................................................................... 26
radiation fin temperature rise ...................... 177, 210
radiation fin thermistor ................................. 174, 207
reactor ......................................................... 278, 303
receiver section ................................................... 253
refrigerant .............................................................. 26
remote controller
wired remote controller ................................... 18
wireless remote controller ............................... 22
remote controller display malfunction code and
contents ........................................................ 137
remote controller thermistor ................................ 155
remote controller thermostat ................................. 81
removal procedure .............................................. 229
reset ...................................................................... 54
right side panel .................................................... 294
right side plate ..................................................... 275
S
S10 .............................................................. 297, 298
S101 ............................................................ 297, 298
S102 .................................................................... 298
S20 .............................................................. 296, 298
S31 ...................................................................... 298
S32 ...................................................................... 298
S33 ...................................................................... 298
S34 ...................................................................... 298
S40 .............................................................. 296, 298
S51 .............................................................. 297, 298
S52 ...................................................................... 298
S70 .............................................................. 273, 291
S71 ...................................................................... 298
S72 ...................................................................... 298
S80 .............................................................. 296, 298
S90 .............................................................. 296, 298
S91 ...................................................................... 298
self-diagnosis by LED ......................................... 138
self-diagnosis by remote controller ..................... 133
self-diagnosis by wired remote controller ............ 134
self-diagnosis by wireless remote controller ....... 135
sensor data display ............................................... 71
sensor malfunction detection ...................... 100, 115
service monitor PCB ..................................... 69, 295
Summary of Contents for Sky Air B-Series R-410A
Page 7: ...Si21 205 vi Table of Contents ...
Page 15: ...Models Si21 205 4 Model Name and Power Supply ...
Page 16: ...Si21 205 Functions 5 Part 2 Functions 1 List of Functions 6 ...
Page 35: ...Wireless Remote Controller Si21 205 24 Remote Controller ...
Page 79: ...Settings Concerning Maintenance Si21 205 68 Field Setting Detail of PCB 2 ...
Page 83: ...Maintenance Mode Setting Si21 205 72 Field Setting ...
Page 239: ...Troubleshooting for Outdoor Unit 50 60 class Si21 205 228 Troubleshooting ...
Page 321: ...Outdoor Unit 50 60 class Si21 205 310 Removal Procedure ...