ComfortZone RX35

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ComfortZone RX35/RX50/RX65

service & maintenance

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Table of Contents2
Panel and Control Unit6
Settings During Operation7
Display7
Setting Temperature Control8
Extra Hot Water9
Temperature/Time9
Control Method out & in (Factory Setting)9
Control Method out10
Control Method in10
Indoor Temperature with Double Heat Curves11
Restriction of Electrical Elements11
Hot Water Temperature12
Restriction of Hot Water Temperature12
Hot Water Priority12
Min Return Temperature / Min Inlet Temperature13
Holiday Settings13
Diode List13
Fan Control and Timer14
Smart Control15
Summer Mode15
Synchronization with Solar Panels15
Maintenance16
Main Fuse16
Replacement of Air Filter16
Filter Alarm Reset17
Checking the System Pressure18
Expansion Vessel19
Electronic Galvanic Anode19
Component List20
Installation21
Transport and Handling21
Placement21
Dimensions and Outlet of Ventilation Connection22
Dimensions and Position of Pipe Connection RX35 / 50/65 High Model23
Dimensions and Position of Pipe Connection RX35 / 50/65 - Low Model24
Pipe Connections25
Radiator System25
Floor Heating System25
Radiator and Floor Heating System25
Connection Without Supply Air Unit (Standard Connection)26
Connection with Supply Air Units26
Minimum Circulation Flow26
Connection of Extra Hot Water Tank - High Model27
Connection of Hot Water Tank - Low Model28
Ventilation Connection29
Silencing29
Adjustment of Ventilation29
Electrical Connection30
Power Supply 1X230V30
Connection Option 3X400V30
Accessories / Additional Equipment31
Indoor Temperature Sensor / External Room Sensor31
Connection of Outdoor Sensor31
Connection of Accessories32
External Alarm Output (Relay)33
Accessories / Spare Parts34
Commissioning35
Re-Filling the System35
Venting the System35
Venting of Hot Water Tank35
Draining / Emptying the System36
Emptying the Heating Circuit36
Adjusting the System37
Adjustment of Shunt Groups37
Adjustment of Floor Loops37
Adjustment of Radiators37
Settings During Installation38
Basic Settings38
Choice of Regulation39
Blocking of Interfering Resonances42
Maximum Frequency of the Compressor42
Legionella Elimination43
Operation with Heat Elements Only43
Operation with Fan off43
Start-Up and Installation Control43
Adjustable HW Overheating Limit43
Double Heat Curves44
External Mixing Valve Control46
Synchronization with Solar Panels46
Troubleshooting47
No Heat to the Elements (Circulation Water) Although the Compressor Is Running47
The Heat Pump Heats up the HW Tank and then Stops47
Overheated Auxiliary Heater - Smell of Burnt Rubber47
Poor Hot Water Capacity47
The Heat Pump Completely Shuts down and Does Not Start48
Overheating Protection Cannot be Restored48
Alarms49
Filter Change Alarm49
High Gas Pressure Alarm49
Low Pressure Alarm 149
Low Pressure Alarm 249
Inverter Alarm (0)50
Heater Overheat Alarm50
Hot Water Overheat Alarm51
Sensor Fault TE0-TE251
Defrost Alarm52
Unknown HP Box Alarm52
Heating Overheat Alarm52
Heating Limitation Alarm52
Heating Return Max Alarm52
SD Memory Card Error53
Inverter Connection Failure53
Pressure Ratio Alarm53
Hot Gas Temperature Alarm53
Alarm - Multiple Alarms Simultaneously53
EEV Min Pos Time out Alarm54
EEV Max Pos Timeout Alarm54
Clock Not Set Alarm54
Condenser Temperature Alarm54
Room under Heat Alarm54
Room Overheat Alarm54
Defrost Error Alarm55
Heating Minimum Alarm55
Heating Freez.danger Alarm55
Invalid Controller Type/Version55
PL1 Input Alarm55
Sensor Mismatch Error TE1-TE2, TE2-TE5, TE1-TE555
No Compressor Function Error55
Pump Diagram56
Fan Chart57
System Overview RX35 / RX50 / RX6558
Wiring RX35/RX50/RX6559
Connection Terminals and Fuses60
Connection to Auxiliary Heater X960
Components61
CE Declaration63
Energy Declaration64
Technical Data65
Installation Protocol66

ComfortZone RX35 - Page 45

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