Specifications
SiBE28-805
ii Index
Local setting switch ................................................81
Low Pressure Drop Due to Refrigerant Shortage or
Electronic Expansion Valve Failure ..............190
M
M1 ........................................................................212
M8 ........................................................................213
MA ........................................................................215
Malfunction code indication by outdoor unit
PC board .......................................................134
Malfunction of Capacity Determination
Device ...........................................................146
Malfunction of Discharge Pipe Thermistor
(R3T) .............................................................168
Malfunction of Drain Level Control System
(S1L) .............................................................140
Malfunction of High Pressure Sensor ...................173
Malfunction of Humidity Sensor System ..............150
Malfunction of Inverter Radiating Fin Temperature
Rise ...............................................................175
Malfunction of Inverter Radiating Fin Temperature
Rise Sensor ..................................................187
Malfunction of Liquid Pipe Thermistor (R6T) ........171
Malfunction of Low Pressure Sensor ...................174
Malfunction of Moving Part of Electronic Expansion
Valve (Y1E) ...................................................143
Malfunction of Moving Part of Electronic Expansion
Valve (Y1E, Y2E) ..........................................162
Malfunction of Outdoor Unit Fan Motor ................159
Malfunction of Subcooling Heat Exchanger Gas Pipe
Thermistor (R5T) ...........................................172
Malfunction of System, Refrigerant System Address
Undefined ......................................................210
Malfunction of Thermistor (R1T) for
Outdoor Air ....................................................167
Malfunction of Thermistor (R1T) for
Suction Air .....................................................149
Malfunction of Thermistor (R2T) for
Heat Exchanger ............................................147
Malfunction of Thermistor (R2T, R7T) for
Suction Pipe ..................................................169
Malfunction of Thermistor (R3T) for
Gas Pipes .....................................................148
Malfunction of Thermistor (R4T) for
Outdoor Unit Heat Exchanger .......................170
Malfunction of Thermostat Sensor in Remote
Controller ......................................................151
Malfunction of Transmission Between Centralized
Controller and Indoor Unit .............................206
Malfunction of Transmission Between Indoor and
Outdoor Units in the Same System ...............202
Malfunction of Transmission Between
Indoor Units ...................................................196
Malfunction of Transmission Between Inverter and
Control PC Board ..........................................183
Malfunction of Transmission Between Main and Sub
Remote Controllers .......................................201
Malfunction of Transmission Between Optional
Controllers for Centralized Control ................213
Malfunction of Transmission Between
Outdoor Units ................................................199
Malfunction of Transmission Between Remote
Controller and Indoor Unit ............................ 198
MC ....................................................................... 217
Microcomputer normal monitor .............................. 81
Mode setting switch ............................................... 81
Monitor Mode ...................................................... 106
Motor side connectors ......................................... 226
O
Operation Lamp Blinks ........................................ 220
Optional Output Switching ..................................... 87
Outdoor Unit PC Board Layout ............................. 81
P
P1 ........................................................................ 186
P4 ........................................................................ 187
PC Board Defect ................................. 139, 152, 212
PJ ........................................................................ 189
Power Supply Insufficient or
Instantaneous Failure ................................... 192
Procedure and Outline .......................................... 65
R
Refrigerant Circuit ................................................. 16
CMSQ200A7 ................................................... 16
CMSQ250A7 ................................................... 18
Refrigerant Flow for Each Operation Mode ........... 22
CMSQ200A7 ................................................... 22
CMSQ250A7 ................................................... 26
Refrigerant Overcharged ..................................... 165
Reverse Phase, Open Phase .............................. 191
S
Selection of Thermistor ......................................... 87
Set mode display (LED) ........................................ 81
Setting by push button switches .......................... 100
Setting of Airflow Direction Adjustment
Range ............................................................. 90
Setting of Direct Duct Connection ......................... 91
Setting of Normal Airflow ....................................... 89
Setting of Operation Mode to "AUTO" ................... 88
Setting of the Static Pressure Selection ................ 90
System is not Set yet .......................................... 209
T
Thermostat Switching ............................................ 88
Troubleshooting
(OP: Central Remote Controller) .................. 212
Troubleshooting
(OP: Unified ON/OFF Controller) ................. 220
U
U0 ........................................................................ 190
U1 ........................................................................ 191
U2 ........................................................................ 192
U3 ........................................................................ 195
U4 ........................................................................ 196
U5 ........................................................................ 198
U7 ........................................................................ 199
U8 ........................................................................ 201
U9 ........................................................................ 202