Service and Repair


Electrical Wire Position

Guideline Available here.

Applicable Series:
All Series

Halogen Light Fixture

Guideline Available here.

Fixture/Cover Dimensions for Halogen Lights

How to Install Duct Cover

Model No.: CH1120DC-1

Applicable Series:
CH22 SQB-1 SERIES CH27 SQB-1 SERIES
CH77 SQB-1 SERIES CH91 SQB-1 SERIES
CHX22 SQB-1 SERIES CHX38 SQB-2 SERIES
CHX38 SQBD-3 SERIES CHX79 SQB-1 SERIES
CHX91 SQB-1 SERIES

Model No.: RA0930DC-1 / RA0946DC-1

Applicable Series:
RA92 SQB-1 SERIES RA94 SQB-1 SERIES
CHX81 SQB-1 SERIES RAX94 SQB-1 SERIES

Model No.: RA02DC-24-1

Applicable Series:
RA02 SQB-1 SERIES RAX95 SQB-1 SERIES

Model No.: RA02DC-24

Applicable Series:
RA02 SQB-1 SERIES RAX95 SQB-1 SERIES

Duct Cover Installation for CHX38 SQBD-WM-3

Applicable Series:
CHX38 SQBD-WM-3

How to Replace Control Panel

Chinese version
English version

Applicable Series:
CH22 SQB-1 SERIES CH27 SQB-1 SERIES
CH77 SQB-1 SERIES CH91 SQB-1 SERIES
IS22 SQB-1 SERIES IS23 SQB-1 SERIES
RA22 SQB-1 SERIES RA92 SQB-1 SERIES
RA94 SQB-1 SERIES

How to Replace LED Lights

Guideline Available here.

Applicable Series:
CH00 SQB-1 SERIES CH22 SQB-1 SERIES
CH27 SQB-1 SERIES CH77 SQB-1 SERIES
CH91 SQB-1 SERIES IN26 SQB-700-2 SERIES
IN26 SQB-1200-1 SERIES IS22 SQB-1 SERIES
IS23 SQB-1 SERIES RA02 SQB-1 SERIES
RA22 SQB-1 SERIES RA38 SQB-1 SERIES
RA92 SQB-1 SERIES RA94 SQB-1 SERIES

How to Replace Halogen Light Bulb with G4 LED Bulbs

Guideline Available here.

Replace halogen bulbs with LED light

How to Replace Processor Board

Guideline Available here.

Applicable Series:
CH22 SQB-1 SERIES CH27 SQB-1 SERIES
CH77 SQB-1 SERIES CH91 SQB-1 SERIES
IS22 SQB-1 SERIES IS23 SQB-1 SERIES
RA22 SQB-1 SERIES RA92 SQB-1 SERIES
RA94 SQB-1 SERIES

How to Setup Top and Rear Exhaust

Top Exhaust Setup Process

Applicable Series:
CH22 SQB-1 SERIES CH27 SQB-1 SERIES
CH77 SQB-1 SERIES CH91 SQB-1 SERIES
CHX20 SQB-1 SERIES CHX22 SQB-1 SERIES
CHX38 SQB-2 SERIES CHX38 SQBD-3 SERIES
CHX79 SQB-1 SERIES CHX91 SQB-1 SERIES

Rear Exhaust Setup Process

Applicable Series:
CH22 SQB-1 SERIES CH27 SQB-1 SERIES
CH77 SQB-1 SERIES CH91 SQB-1 SERIES
CHX20 SQB-1 SERIES CHX22 SQB-1 SERIES
CHX38 SQB-2 SERIES CHX38 SQBD-3 SERIES
CHX79 SQB-1 SERIES CHX91 SQB-1 SERIES