5
board
3) Disassemble the display
board
Remove the display
board cover(4
screws)
Remove the display
board(4 screws)
4
Remove the
swing
motor
1) Remove the panel
Repeat the operation of step1,2,3 of No.2
2) Screw off 3 screws to
remove the swing motor
assy.
3) Screw off 1 screws to
remove the swing motor.
5
Remove the
PCB
1) Open the grille
Repeat the operation of step1 of No.1(No need
to remove the panel)
2) Disassemble the
electronic control box
cover after remove the 2
screws.
2 screws
4 screws
4 screws
3 screws
1 screw
Summary of Contents for 38QUS012DS
Page 1: ...SERVICE MANUAL 12 18 24K LIGHT COMMERCIAL ...
Page 5: ...2 PRODUCT LINEUP ...
Page 6: ...3 UNIT MODEL INDENTIFICATION ...
Page 7: ...PART 1 GENERAL INFORMATION 1 1 DUCT ...
Page 9: ...2 INSTALLTION SPACE ...
Page 10: ...3 STATIC PRESSURE ...
Page 11: ...4 STATIC PRESSURE 42QSM012DS ...
Page 12: ...5 STATIC PRESSURE 42QSM018DS ...
Page 13: ...6 STATIC PRESSURE 42QSM024DS ...
Page 18: ...11 5 Screw off the fixing screws to remove the evaporator 1 screw ...
Page 19: ...PART 1 GENERAL INFORMATION 1 2 CASEETTE ...
Page 22: ...3 INSTALLTION SPACE ...
Page 29: ...PART 1 GENERAL INFORMATION 1 3 UNDER CEILING ...
Page 31: ...3 INSTALLTION SPACE ...
Page 37: ...PART 1 GENERAL INFORMATION 1 4 OUTDOOR UNIT ...
Page 44: ...8 compressor on bottom plate 4 Lift the compressor from the base pan assembly ...
Page 45: ...PART 2 ELECTRICAL DIAGRAM ...
Page 46: ...1 WIRING DIAGRAM 42QSM012 18 24DS ...
Page 47: ...2 WIRING DIAGRAM 42QTD012 18DS ...
Page 48: ...3 WIRING DIAGRAM 42QTD024DS ...
Page 49: ...4 WIRING DIAGRAM 42QZL018 24DS ...
Page 50: ...5 WIRING DIAGRAM 38QUS012DS ...
Page 51: ...6 WIRING DIAGRAM 38QUS018DS ...
Page 52: ...7 WIRING DIAGRAM 38QUS024DS ...
Page 53: ...PART 3 TROUBLE SHOOTING ...