Indoor Unit
SiUS121827E
46
Part 3 Printed Circuit Board Connector Wiring Diagram
Note
Sensor PCB
(PCB1)
Service PCB
(PCB3)
Display/Signal
Receiver PCB
(PCB4)
LED3 does not function.
The symbols in the parenthesis are the names on the appropriate wiring diagram.
1)
S49
Connector for control PCB (PCB2)
2)
RTH2 (R1T)
Room temperature thermistor
S49
RTH2
3P191450-1
1)
S27
Connector for control PCB (PCB2)
2)
SW2 (S2W)-4
Switch for upward airflow limit setting
∗
Refer to page 261 for details.
∗
Keep the other switches as factory setting.
3)
SW4 (S4W)
Switch for airflow selection
∗
S27
SW4
SW2-4
3P191448-1
1)
S47
Connector for control PCB (PCB2)
2)
SW1 (S1W)
Indoor unit
ON/OFF
switch
3)
LED1 (H1P)
LED for operation (green)
4)
LED2 (H2P)
LED for timer (yellow)
S47
SW1
LED2
LED1
3P191447-1
Содержание 4MXL-T Series
Страница 107: ...SiUS121827E SA Indoor Unit Functions Part 4 Functions and Control 101 FFQ Series Emergency operation switch R24077 ...
Страница 182: ...Troubleshooting for RA Indoor Unit SiUS121827E 176 Part 6 Service Diagnosis Reference Check No 11 Refer to P 235 ...
Страница 190: ...Troubleshooting for SA Indoor Unit SiUS121827E 184 Part 6 Service Diagnosis Reference Check No 02 Refer to P 233 ...
Страница 249: ...SiUS121827E Check Part 6 Service Diagnosis 243 R6000583 1 2 3 4 Multimeter Front side Rear side ...
Страница 288: ...Piping Diagrams SiUS121827E 282 Part 8 Appendix 1 2 Outdoor Unit 5MXS48TVJU 4MXL36TVJU 3D117817 3D118311 ...
Страница 298: ...Operation Limit SiUS121827E 292 Part 8 Appendix 4 Operation Limit 5MXS48TVJU 4MXL36TVJU 3D048149D 3D101428 ...