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APPENDIX 

 

 

 

Electrical diagram for the control unit of the gas boiler section: 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

Summary of Contents for CombinAir

Page 1: ...mmissioning The control unit on the front of the CombinAir is used to adjust the settings during commissioning The settings for the heat pump which need to be checked or adjusted during commissioning are shown in colour This document gives guidance on how to access and change the settings ...

Page 2: ...Control unit Nr Description Type 1 Set button button 2 Reset button button 3 hot water button button 4 hot water LED LED 5 Status display 1 x 7 segments display 6 CH water display 2 x 7 segments display ...

Page 3: ...or 10 seconds until the letter A appears Next setting Press the Set button Different value Press the Hot Water button Exit program Press the Reset button To enter sub menu Press the Hot Water button Status display CH water display Description Remarks A LL HH Ionisation flow virtual when appliance is operating Low capacity continuous alternating with the virtual ionisation flow High capacity contin...

Page 4: ...0 1 0 2 0 3 0 4 1 0 24 Hot water pump overrun time 1 min Hot water pump overrun time 10 min Hot water pump overrun time 20 min Hot water pump overrun time 30 min Hot water pump overrun time 40 min Hot water pump overrun time 60 min Hot water pump overrun time continuous P 00 03 06 heating delay off heating delay 3 min heating delay 6 min delay in responding to a call for space heating after the la...

Page 5: ...temperature ºC b C Value CH pressure bar b d Value CH return temperature ºC b E Value Gas boiler fan speed Rpm x100 b F Value Heat pump fan speed Rpm x100 b G Value Heat pump air inlet temperature ºC b H Value Heat pump evaporator temperature ºC b I Value Heat pump condenser outlet temperature ºC b J Value Heat pump compressed gas temperature ºC b L Value Heat pump flow temperature ºC b n Value Fr...

Page 6: ... base point d o WDC flow temperature ºC at base point d o WDC flow temperature 50 ºC at base point d o Adjustable in increments of 1 ºC d P 5 2 10 WDC base point night reduction at base point 5 ºC WDC base point night reduction at base point ºC WDC base point night reduction at base point 2 ºC WDC base point night reduction at base point ºC WDC base point night reduction at base point 10 ºC Adjust...

Page 7: ...time 5 minutes Low capacity burner time 10 minutes Low capacity burner time 15 minutes E n 00 02 05 10 Accelerated heating off Accelerated heating 2 minutes Accelerated heating 5 minutes Accelerated heating 10 minutes E o 12 20 24 WDC base point at outside temperature 12 ºC WDC base point at outside temperature ºC WDC base point at outside temperature 20 ºC WDC base point at outside temperature ºC...

Page 8: ...r 15 kW Capacity limitation gas boiler 24 kW Submenu settings heat pump To access the submenu settings heat pump go to setting u in the service settings menu and press the hot water button On the status display the first setting u C is alternately displayed Pressing the set button will bring up the next setting Change this setting by pressing the hot water button Pressing the reset button twice wi...

Page 9: ...Status display code Function 1 Hot water heating operating 2 Central heating operating No dot No burner Slow flashing dot Minimum fire Increasingly fast flashing dot Higher higher firing Constant dot Burner on maximum output SUMMARY OF MESSAGES This section provides a brief description of the warning blocking and malfunction messages which appear on the unit s status display The causes of these me...

Page 10: ...e recognition error control unit is set to 30 50 30 Appliance type recognition error control unit is set to 38 80 40 Appliance type recognition error control unit is set to Combipact 50 Appliance type recognition error control unit is set to CombinAir 60 Appliance type recognition error control unit is set to CombinAirCool Malfunction messages A malfunction is an error which is so serious that the...

Page 11: ...ontrol unit defective LL CH temperature 10 C Short circuit in temperature wiring Sensor defective Control unit defective c CH water pressure too low or too high Whilst this is the case the output will be limited to the lowest capacity If the current CH water pressure is not shown on the CH water display the current CH water pressure can be read through the sub menu sensor values 0 0 5 Bar CH syste...

Page 12: ...uently or for a long period replace control unit H Internal error control unit If this blocking occurs frequently or for a long period replace control unit L Electrical mains supply Mains supply has wrong polarity Not earthed Ionisation electrode earth wire loose Control unit defective n Mains or reference voltage too low Mains voltage 200 Volts Mains voltage insufficient Control unit defective HH...

Page 13: ...ntrol unit of the heat pump CC 02 Communication problem between the heat pump and gas boiler Without communications there will be no heat delivered because the position of the mixing valve is unclear Check the connection of the data cable CC 03 Mix temperature imbalance This will probably be caused by air in the system CC 04 This code means that there is heat demand but the CombinAir cannot transf...

Page 14: ...f CH water during DHW demand Insufficient CH water pressure too low minimum 1 bar at the appliance Automatic de aerator not functioning properly air in the appliance CH pump not running Connector K5 loose CH pump defective Thermal safety switched off Control unit defective 7 Insufficient flow of CH water during CH demand Insufficient CH water pressure too low minimum 1 bar at the appliance Automat...

Page 15: ...t CA 7 Internal error control unit CA 8 Internal error control unit CA 10 Insufficient effect of the heat pump temperature difference over the heat pump to low CA 13 Compressor temperature too high CA 14 Insufficient heat transfer to CH installation CA 15 Insufficient heat produced by the heat pump evaporator temperature 20 C CA 16 No compressor start compressed gas temperature air supply temperat...

Page 16: ... APPENDIX Electrical diagram for the control unit of the gas boiler section ...

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