Service manual
Si06-305
ii Index
J
J3 ...........................................................................91
J6 ...........................................................................91
L
L3 ...........................................................................93
L4 ...........................................................................95
L5 ...........................................................................97
LED11 ......................................................................8
LED12 ......................................................................8
LED14 ......................................................................8
Left Side Plate ......................................................129
Limit Switch Continuity Check ..............................104
Louvres ..................................................................16
M
Mode Hierarchy ......................................................29
Moisture Protection Function 2 ..............................36
Moisture Protection Function 1 ..............................35
Mold Proof Air Filter ...............................................24
molded interconnect device (MID) .......................134
Motor Valve ..........................................................143
N
Names of Parts ......................................................47
Night Set Mode ......................................................21
O
OL Activation ..........................................................82
ON/OFF Button on Indoor Unit ...............................24
Operation Lamp .....................................................70
Outdoor air temperature thermistor ........................92
Outdoor Heat Exchanger Thermistor ...............27, 28
Outdoor Unit Fan System Check
(With AC Motor) ............................................109
Outdoor unit heat exchanger temperature
thermistor ........................................................92
Outdoor Unit Silent Operation ................................58
Output Over Current Detection ..............................97
Over Current ..........................................................41
Over Load ..............................................................41
Over-voltage Detection ........................................101
P
P4 ...........................................................................91
Partition Plate .......................................................140
PCB ..............................................................121, 130
PCB (1) ..................................................................11
PCB (2) ..................................................................11
Photocatalytic Deodorizing Filter ............................24
PI Control ...............................................................31
Piping Diagrams ...................................................150
Position Sensor Abnormality ..................................88
Power Supply PCB ...................................................8
power supply PCB ................................................122
Power Supply Waveforms Check .........................110
Power Transistor Check .......................................111
POWERFUL Operation ..........................................57
Powerful Operation Mode ......................................42
Preheating Operation .............................................32
Preparation before Operation .................................50
Printed Circuit Board Connector Wiring Diagram .... 8
Problem Symptoms and Measures ....................... 71
Programme Dry Function ...................................... 19
Propeller Fan ....................................................... 136
R
Radiation Fin Temperature Rise ........................... 95
Radiation fin thermistor ......................................... 92
Reactor ................................................................ 140
Room temperature thermistor ............................... 79
S
S10 ........................................................................ 10
S11 ........................................................................ 10
S201 ........................................................................ 8
S202 ........................................................................ 8
S203 ........................................................................ 8
S204 ........................................................................ 8
S23 .......................................................................... 8
S24 .......................................................................... 8
S25 .......................................................................... 8
S26 .......................................................................... 8
S30 ........................................................................ 10
S301 ........................................................................ 8
S302 ........................................................................ 8
S31 .......................................................................... 8
S32 .......................................................................... 8
S6 ............................................................................ 8
S7 ............................................................................ 8
S70 ................................................................ 10, 136
S8 ............................................................................ 8
S80 ........................................................................ 10
S90 ........................................................................ 10
Self-Diagnosis Digital Display ............................... 25
Sensor Malfunction Detection ............................... 41
Service Check ....................................................... 72
service PCB ........................................................ 122
shelter ................................................................. 130
Shutter Drive Motor ............................................... 80
Shutter Limit Switch .............................................. 80
Signal Receiver PCB ............................................... 9
Signal Receiving Sign ........................................... 24
Signal Transmission Error
(between Indoor and Outdoor Units) .............. 81
Specifications
Cooling Only ..................................................... 4
Heat Pump ........................................................ 5
stop valve cover .................................................. 127
SW2 .................................................................... 122
T
Thermistor or Related Abnormality (Indoor Unit) ... 79
Thermistor or Related Abnormality
(Outdoor Unit) ................................................ 91
Thermistor Resistance Check ............................. 107
TIMER Operation .................................................. 61
Trouble Shooting ................................................... 66
Troubleshooting .................................................... 73
U
U0 .......................................................................... 99