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Johnson Controls Manuals
Air Conditioner
R Series
Installation and maintenance manual
Indoor Unit - Johnson Controls R SERIES Installation And Maintenance Manual
Inverter-driven air conditioning unit
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Service manual
(93 pages)
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Contents
Table of Contents
Troubleshooting
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Table of Contents
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Model: DHR48CSB21S
8.2 Indoor unit
The actual wiring should always refer to the wiring diagram of the unit.
8.2.1 Duct Type
Model: DHR18NDB21S / DHR24NDB21S / DHR30NDB21S / DHR36NDB21S / DHR42NDB21S
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Table of Contents
Troubleshooting
MAINTENANCE TROUBLESHOOTING
49
FLOW CHART OF TROUBLESHOOTING
53
Troubleshooting Flow Chart of Drive Malfunction
60
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This manual is also suitable for:
Dhr24csb21s
Dhr30csb21s
Dhr18csb21s
Dhr36csb21s
Dhr42csb21s
Dhr48csb21s
...
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Dhr18ndb21s
Dhr24ndb21s
Dhr30ndb21s
Dhr36ndb21s
Dhr42ndb21s
Dhr18nkb21s
Dhr48ndb21s
Dhr24nkb21s
Dhr30nkb21s
Dhr36nkb21s
Dhr42nkb21s
Dhr18ncb21s
Dhr48nkb21s
Dhr30ncb21s
Dhr24ncb21s
Dhr36ncb21s
Dhr42ncb21s
Dhr48ncb21s
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