1
TCH120A
SERVICE MANUAL
CONTENTS
1. REFERENCE MANUAL
........................
2
2. SAFETY PRECAUTION
........................
3
3. PARTS NAMES AND FUNCTIONS
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6
4. SPECIFICATIONS
.................................
7
5. NOISE CRITERION CURVES
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10
6. OUTLINES AND DIMENSIONS
............
12
7. WIRING DIAGRAM
.............................
13
8.
REFRIGERANT SYSTEM DIAGRAM
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14
9. TROUBLESHOOTING
........................
15
10. FUNCTION SETTING
.........................
30
11. SPECIAL FUNCTION
..........................
31
12. DISASSEMBLY PROCEDURE
...........
34
13. REMOTE CONTROLLER
................... 41
PARTS CATALOG (TCB120)
WIRED REMOTE
CONTROLLER
(Option)
INDOOR UNIT
Model name
indication for
MAIN UNIT
Model name
indication for GRILLE
PLA-A12EA8
PLA-A18EA8
PLA-A24EA8
PLA-A30EA8
PLA-A36EA8
PLA-A42EA8
PLA-A48EA8
PLA-A12EA8
PLA-A18EA8
PLA-A24EA8
PLA-A30EA8
PLA-A36EA8
PLA-A42EA8
PLA-A48EA8
Indoor unit
[Model Name] [Service Ref.]
SPLIT-SYSTEM HEAT PUMP
No. TCH120
August 2023
MENU
ON
OFF
RETURN
SELECT
HOLD
Grille model
[Model Name]
PLP-41EAEU
WIRELESS REMOTE
CONTROLLER
(Option)
REVISED EDITION-A
Revision:
• Some descriptions have been
revised in REVISED EDITION-A
TCH120 is void.