Table Of Contents - York VCH 20A User Manual

Index
1 User manual.............................................................................................................................1
1.1 General description of the unit.................................................................................................2
1.1.1 Technical specifications...........................................................................................................2
1.1.2 Operating diagram....................................................................................................................4
1.1.3 Parts of the VCH/VIR series.....................................................................................................5
1.1.4 YKN2 Open Control Circuit......................................................................................................5
1.1.5 Service and Maintenance Access............................................................................................6
1.2 Intended use of the unit............................................................................................................6
1.3 Description of the unit's main control panel..............................................................................7
1.4 Modes of operation..................................................................................................................8
1.4.1 Cold mode................................................................................................................................8
1.4.2 Heat mode................................................................................................................................8
1.4.3 General instructions.................................................................................................................8
1.5 Operating instructions..............................................................................................................9
1.5.1 Thermostat connections to the control board...........................................................................9
1.5.2 Thermostat connections...........................................................................................................9
1.6 Safety and equipment protection systems.............................................................................10
1.7 Placing the unit out of service for a planned stoppage or breakdown....................................10
1.7.1 Placing the unit out of service for a planned stoppage...........................................................10
1.7.2 Placing the unit out of service for seasonal stoppage............................................................10
1.7.3 Placing the unit out of service due to breakdown...................................................................11
1.7.4 Fault codes for the air conditioning unit..................................................................................11
1.7.5 Restarting the air conditioning unit in the case of breakdown................................................12
1.8 Regular maintenance activities for which the user is responsible..........................................12
1.8.1 Maintenance Schedule...........................................................................................................12
1.8.2 Maintenance responsibilities of the user................................................................................14
Index
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