E.C.A. ARCEUS EC 6 kW MT Service Manual Download Page 1

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ARCEUS

ELECTRIC COMBI BOILER

ARCEUS E

6-9-12-15-18-24-27 kW MT / CH / ST

SERVICE MANUAL

Summary of Contents for ARCEUS EC 6 kW MT

Page 1: ...ARCEUS ELECTRIC COMBI BOILER ARCEUS EC 6 9 12 15 18 24 27 kW MT CH ST SERVICE MANUAL...

Page 2: ...G PROCEDURES OF PARTS 21 3 1 Front Panel 21 3 2 Side Panels 21 3 3 Contactor 21 3 4 Circuit Breaker 22 3 5 Neutral Busbar 22 3 6 Supply Return Manifold 22 3 7 Pump 22 3 8 Air Purger 22 3 9 Limit Therm...

Page 3: ...4 6 Relay Board 35 4 7 Pump 37 4 8 Neutral and Ground Terminals 38 4 9 Motorised Valve 38 4 10 Plate Exchanger 40 4 11 Contactor 41 4 12 Expansion Tank 43 4 13 Limit Thermostat 44 4 14 Surface Type N...

Page 4: ...nd supplied in a controlled manner after the wet areas are dried Sharp points of the device such as bending points of panels should not be touched with bare hands When intervening points of the device...

Page 5: ...ror history value K5 DHW Minus Decreases the domestic water set temperature Allows selection between parameter information error history and cleaning error history menus Confirms password when enterin...

Page 6: ...ter can be accessed Parameter numbers are displayed on the screen after the password is entered You can navigate through the parameter numbers with the K5 and K6 buttons and increase or decrease the p...

Page 7: ...e information menu by pressing K1 again After entering the menu you can navigate between the information numbers with K5 and K6 and display the value in the information number you want by pressing K3...

Page 8: ...n screen You can return to the main screen by pressing and holding K1 for 5 seconds If no button is pressed for 60 seconds the normal operation screen will be returned 1 3 4 Annual Maintenance Counter...

Page 9: ...rmostat CH Inlet NTC CH Return NTC Boiler Tank NTC DHW Solar STB Water Pressure Sensor DHW Supply Sensor Modbus Haberle mesi Cascade Card Neutral Terminal Circuit Breaker Contactor Electrical Heaters...

Page 10: ...aters Limit Thermostat Relay Boards CH Inlet NTC CH Return NTC DHW Boiler Tank NTC 3 Way Valve DHW Solar STB Water Pressure Sensor DHW Supply Sensor Modbus Communication Pump Outside Air NTC Programma...

Page 11: ...tat CH Inlet NTC CH Return NTC DHW Boiler Tank NTC 3 Way Valve DHW Solar STB Water Pressure Sensor DHW Supply Sensor Modbus Communication Pump Outside Air NTC Programmable timer Wi Fi Board Connection...

Page 12: ...Electrical Heaters Limit Thermostat Relay Boards CH Inlet NTC CH Return NTC DHW Boiler Tank NTC 3 Way Valve DHW Solar STB Water Pressure Sensor DHW Supply Sensor Modbus Communication Pump Outside Air...

Page 13: ...Block 4 Neutral Terminal Block 5 Neutral Busbar 6 Cantactor 7 3 Way Valve 8 3 Bar Safety Valve 9 Electric Heaters 10 Main Heat Exchanger 11 Expansion Vessel 12 Drain Valve 13 Plate Heat Exchanger 14...

Page 14: ...hree phase 5x6 26 B32 3P ARCEUS 24 MT CH ST Three phase 5x6 35 B40 3P ARCEUS 27 MT CH ST Three phase 5x10 39 B40 3P Device Power Supply Supply Cord mm2 Nominal Current A Supply Line Minimum Circuit Br...

Page 15: ...ontactor feedback cables are connected to terminals no 13 and 14 3 If the error persists even though the feedback cables are connected to the correct terminals measure the resistance between terminals...

Page 16: ...operly replace the outdoor sensor 4 If the error persists after replacing the sensor replace the mainboard F40 High Water Pressure FP12 water pressure parameter is at a high level This error is receiv...

Page 17: ...f there is an incorrect measurement If there is an incorrect measurement relocate the NTCs and check if the supply or return water temperature measurement has improved If it does replace the NTC that...

Page 18: ...lug them and turn on the Circuit Breaker again and put the device into test mode with K3 and K5 While the device is in test mode measure the resistance between the pins you disconnected If you re read...

Page 19: ...oblock is installed correctly If the NTC is installed properly check the i02 domestic water instantaneous temperature value in the information menu If the value is incorrect replace the NTC 3 If there...

Page 20: ...relays after you see the tap icon blinking on the screen of the device in comfort mode The LED of one of the relays should light up Measure the current with a clamp meter through the cables from the...

Page 21: ...rt circuit condition is not detected after checking the resistors restart the device and run it at full load for 10 minutes If the Circuit Breaker does not blow during this time turn the device on The...

Page 22: ...Suitable Hand Tool Cross screwdriver Suitable Tightening Torque Contact Connections 0 8 0 1 Nm Neutral Busbar Assembling Foot 0 5 0 1 Nm 3 6 Supply Return Manifold For manifold replacement the connec...

Page 23: ...all capacities and configurations Spare Part Code 7006250015 Therefore capacity and configuration adjustments are required on the replaced mainboards The values to be adjusted are provided in the tabl...

Page 24: ...selected with the heater water temperature adjustment buttons and the password is confirmed with one of the domestic water adjustment buttons K5 or K6 When the FP22 capacity selection screen is displa...

Page 25: ...er temperature adjustment buttons and the password is confirmed with one of the domestic water adjustment buttons K5 or K6 The values P and 00 will blink alternately on the screen At this stage the va...

Page 26: ...t Suitable Hand Tool Cordless screwdriver For removing the flex hose Suitable Hand Tool AA 18 Wrench 3 13 Inlet Duct For both sides Suitable Hand Tool AA 30 Wrench 3 14 Return Duct Tank side Suitable...

Page 27: ...the tank group unscrew the screws of the upper connection bracket of the exchanger tank with a cordless drill and slowly tilt the tank to remove it Suitable Hand Tool Cordless screwdriver 3 21 Switch...

Page 28: ...htening the phase inlet cables M4 washer cable terminal ring M4 spring washer and M4 nut should be installed respectively While turning the nut with the wrench from the top side the terminal of the re...

Page 29: ...stalled by connecting them to the empty terminal blocks The solar system connection cables are connected to the indicated terminal blocks In order to connect the room thermostat the bridge seen in the...

Page 30: ...or Codes Diagnostics and Test Method End to end resistor measurement Maintenance Requirement During the annual routine maintenance it should be disassembled and the lime build up on it should be obser...

Page 31: ...stance measurement Resistance between each phase input terminal of the resistor and the neutral busbar or terminal is measured This value should be in the range of 24 28 for 6 kW resistor groups and 1...

Page 32: ...cause water leakage by observing the resistor duct purge and valve connection flanges Maintenance Requirement In the annual routine maintenance the exchanger is cleaned by circulating Sentinel X300 th...

Page 33: ...ociated Error Codes Diagnostics and Test Method Visual inspection observation when operating at full load and measurement from output poles Maintenance Requirement There is no special maintenance requ...

Page 34: ...feet are broken Maintenance Requirement There is no special maintenance requirement 4 5 Mainboard Subject Description Function of Part It controls the execution of device functions in accordance with...

Page 35: ...rement between contacts while they are on and off Maintenance Requirement There is no special maintenance requirement Test definition Test Method Resistance measurement between coils Resistance betwee...

Page 36: ...ot displayed even though the cables are connected replace the mainboard If this value is 21 26 VDC the relay trigger cable may be reversed In this case the relay board trigger cable must be replaced I...

Page 37: ...Error Codes E03 F37 E80 Diagnostics and Test Method 1 Visual inspection of electrical connection 2 Voltage measurement between phase and neutral inputs while the power is on 3 Resistance measurement b...

Page 38: ...uirement There is no special maintenance requirement 4 9 Motorised Valve Subject Description Function of Part It allows the device to switch between central heating and domestic water Impact in Case o...

Page 39: ...f and the domestic water is turned on by installing a motorised valve Voltage and Position Control in Domestic Water Heating While the device is connected to the power the motorised valve cable is rem...

Page 40: ...Codes E03 E80 F37 Diagnostics and Test Method 1 Visually inspect the plate exchanger for water leakage 2 Check whether there is a drop in the water pressure in the installation when the domestic water...

Page 41: ...ble connections 2 NO auxiliary contact control 3 Main contact conduction control 4 Coil resistance measurement 5 Visual inspection Maintenance Requirement There is no special maintenance requirement T...

Page 42: ...d must be replaced Coil Resistance Measurement If the short circuit value is read when the power of device is turned off and the resistance is measured between the terminals A1 and A2 of the contactor...

Page 43: ...sure Maintenance Requirement There is no special maintenance requirement Test definition Test Method Expansion Tank Gas Pressure Measure The water in the central heating installation is drained Then t...

Page 44: ...revent the device from heating by incorrectly shutting off the contact although there is no overheating on the upper surface of the exchanger Main Associated Error Codes E03 Diagnostics and Test Metho...

Page 45: ...e resistance between the NTC terminals Maintenance Requirement There is no special maintenance requirement Test definition Test Method NTC Resistance Measurement NTC electrical connections are disconn...

Page 46: ...e NTC terminals Maintenance Requirement There is no special maintenance requirement Test definition Test Method NTC Resistance Measurement NTC electrical connections are disconnected and removed The r...

Page 47: ...effect in the flow sensor cable inlet area 3 Voltage test 4 Filter cleaning and control of flow turbine group Note If the P00 parameter is 5 the device will only work in central heating so it will no...

Page 48: ...in Case of Malfunction In case of faulty operation it discharges water instead of air It causes the water pressure in the installation to drop Main Associated Error Codes F37 Diagnostics and Test Met...

Page 49: ...Error Codes F37 F40 F47 Diagnostics and Test Method 1 Checking that the cable connections are solid and undamaged 2 Checking whether the water inlet hole of the water pressure sensor is clogged 3 Volt...

Page 50: ...e domestic water request it continues to make central heating even if there is a domestic water request Main Associated Error Codes Diagnostics and Test Method 1 Checking the flow turbine blades for d...

Page 51: ...iated Error Codes F37 F40 Diagnostics and Test Method 1 Checking whether the valve leaks water when the water pressure in the central heating circuit is between 0 8 2 5 bar 2 Opening pressure test Mai...

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