Index
1
User manual............................................................................................................................ 1
1.1
General description of the unit .............................................................................................. 2
1.1.1
Operating diagram.................................................................................................................. 2
1.1.2
Parts of the VITALITY............................................................................................................ 2
1.1.3
Description of the unit............................................................................................................. 4
1.1.4
YKN2 Open Control Circuit.................................................................................................... 6
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................................................................................................................ 7
1.4.1
VAC models: air conditioning................................................................................................. 7
1.4.2
VAH models: heat pump........................................................................................................ 7
1.4.3
General instructions............................................................................................................... 8
1.5
Operating instructions............................................................................................................ 8
1.5.1
Thermostat connections to the control board......................................................................... 8
1.5.2
Thermostat connections......................................................................................................... 9
1.6
Safety and equipment protection systems............................................................................. 9
1.7
Placing the unit out of service for planned stoppage or malfunction ................................... 10
1.7.1
Placing the unit out of service for 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 a fault......................................................................... 10
1.7.4
Fault codes for the air conditioning unit................................................................................ 10
1.7.5
Restarting the air conditioning unit in the case of breakdown.............................................. 11
1.8
Regular maintenance by the user ....................................................................................... 11
1.8.1
Maintenance Schedule......................................................................................................... 11
1.8.2
Maintenance responsibilities of the user.............................................................................. 12
Index
i
