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SiUS28-902_a
Table of Contents
iv
4. Troubleshooting by Indication on
the Centralized Remote Controller......................................................143
4.1
“
UE
” Malfunction of Transmission between
Centralized Remote Controller and Indoor Unit ................................... 143
4.2
“
M1
” P.C.B. Defect ................................................................................ 145
4.3
“
M8
” Malfunction of Transmission between
Optional Controllers for Centralized Control ........................................ 146
4.4
“
MA
” Improper Combination of Optional Controllers for
Centralized Control .............................................................................. 147
4.5
“
MC
” Address Duplication, Improper Setting ......................................... 149
5. Troubleshooting by Indication on the Unified ON/OFF Controller.......150
5.1
Operation Lamp Blinks......................................................................... 150
5.2
Display “Under Host Computer Integrate Control” Blinks
(Repeats Single Blink) ......................................................................... 152
5.3
Display “Under Host Computer Integrate Control” Blinks
(Repeats Double Blink) ........................................................................ 155
Part 8 Appendix ........................................................................ 159
1. Piping Diagrams..................................................................................160
1.1
Outdoor Unit......................................................................................... 160
1.2
Indoor Unit ........................................................................................... 161
2. Wiring Diagrams for Reference...........................................................162
2.1
Outdoor Unit......................................................................................... 162
2.2
Indoor Unit ........................................................................................... 163
3. Thermistor Resistance / Temperature Characteristics........................166
4. Pressure Sensor .................................................................................168
Part 9 Precautions for New Refrigerant (R-410A) ................... 169
1. Precautions for New Refrigerant (R-410A) .........................................170
1.1
Outline.................................................................................................. 170
1.2
Service Tools ....................................................................................... 172
Summary of Contents for SkyAir FCQ18PVJU
Page 1: ...Split System Air Conditioners SkyAir Inverter R 410A Heat Pump 60Hz P Series SiUS28 902_a...
Page 44: ...Other Control SiUS28 902_a 37 Function...
Page 81: ...SiUS28 902_a Troubleshooting by Remote Controller Troubleshooting 74...
Page 185: ...SiUS28 902 Precautions for New Refrigerant R 410A Precautions for New Refrigerant R 410A 178...