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(9) Emergency and Test Operation.
Emergency operation
– When the remote control is lost, damaged or the battery is discharged, the
Emergency operation can be able to run the unit.
– lf user wants Emergency operation, push the EMERG. button on the T/B cover of
the indoor unit.
– The unit is operated automatically by selecting Cooling or Heating Mode according
to the room temperature.
– lf user wants to stop the Emergency operation, push the EMERG. button again or
operate remote control.
– The setting conditions of Emergency operation are as follows.
• Operation mode :
AUTO (42HQG007/009/012/018/024, HWG195H/225H/305H/455H/605H)
COOL (42HWG007/009/012/018/024, HWG195C/225C/305C/455C/605C)
• Preset temperature:
25ºC (42HQG007/009/012/018/024, HWG195H/225H/305H/455H/605H)
24C (42HWG007/009/012/018/024, HWG195C/225C/305C/455C/605C)
(8) DST Interface
– According to input of selecting address configuration of indoor unit PCB, the one of
below functions is assigned.
– The applicable connector for these functions is CN18 of indoor unit PCB.
DST Interface
1) The DST(Dealer Service Tool) is an application program used to verify a defec-
tive control board in Air Conditioner
2) It can also be used to diagnose the fault before the board replacement.
3) To use DST function, first of all, following preparations are required.
– DST interface converter
– G-DST interconnection wire
– IBM PC 386DX-33 processor with MS Windows OS 3.1
( Minimum system requirement )
4) If there are any problems or questions relating to the operation or installation of
the DST please consult the ‘Installation Guide and User’s Manual’
Address configuration
Functions
A
DST Interface available
B
DST Interface not available
Summary of Contents for HWG195C
Page 36: ...35 CONTROL BLOCK DIAGRAM 6 1 42HWG007 009 012 018 024 HWG195C 225C 305C 455C 605C...
Page 37: ...2 42HQG007 009 012 018 024 HWG195 225 305 455 605H SERIES 36...
Page 43: ...b MAIN CONTROL PART 42HWG018 024 42HQG018 024 HWG455 605C HWG455 605H 42...
Page 45: ...c REMOTE CONTROL PART 44...
Page 48: ...47 c CONTROL PCB SOLDERING SIDE 42HWG018 024 42HQG018 024 HWG455 605C HWG455 605H...
Page 49: ...48 d CONTROL PCB COMPONENTS SIDE 42HWG018 024 42HQG018 024 HWG455 605C HWG455 605H...
Page 60: ...59 TROUBLE SHOOTING 10...
Page 64: ...EXPLODED DIAGRAM AND PARTS LIST 12 63...
Page 89: ...Carrier Corporation P N 42KG8K54600 Version 1 0...