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BLUEHELIX PRIMA 24 C

36

EN

cod. 3541R820EN - Rev. 03 - 03/2020

Replacing the water pressure switch

A

Before carrying out the following instructions it is advisable to protect the room and the boiler’s electrical box
against accidental water spillage.

fig. 42

•

Disconnect the power supply and turn off the gas cock ahead of the valve.

•

Completely drain the water contained in the boiler heating circuit.

•

Remove the connector

“1”

and fastening clip

“2”

.

•

Remove the water pressure switch

“3”

.

2

1

3

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Содержание BLUEHELIX PRIMA 24 C

Страница 1: ...cod 3541R820EN Rev 03 03 2020 BLUEHELIX PRIMA 24 C INSTRUCTIONS FOR USE INSTALLATION AND MAINTENANCE ...

Страница 2: ...h the boiler so that it can be con sulted by the new owner and or installer Installation and maintenance must be carried out by professionally qualified personnel accor ding to current regulations and the manufactu rer s instructions Incorrect installation or inadequate maintenan ce can result in damage or injury The manufac turer declines any liability for damage caused by errors in installation ...

Страница 3: ...ce of installation 10 2 3 Plumbing connections 10 2 4 Gas connection 12 2 5 Electrical connections 12 2 6 Fume ducts 14 2 7 Condensate drain connection 20 3 Service and maintenance 21 3 1 Adjustments 21 3 2 Commissioning 28 3 3 Maintenance 28 3 4 Troubleshooting 38 4 Technical data and characteristics 41 4 1 Dimensions and connections 41 4 2 General view 42 4 3 Hydraulic circuit 42 4 4 Technical d...

Страница 4: ... 6 Sliding Temperature Menu Reset button 7 Mode selection button Winter Summer Unit OFF ECO COMFORT 8 Eco Economy or Comfort mode 9 DHW mode 10 Winter mode 12 Multifunction 13 Heating 14a Burner lit flashing during calibration function and self diagnosis phases 14b Appears when a fault has occurred causing the unit to shut down To restore unit operation press the RESET button detail 6 17 External ...

Страница 5: ...During the first 5 seconds the display shows the card software version fig 5 For the following 20 seconds the display will show FH which identifies the heating system air venting cycle with the fan running fig 6 In the next 280 seconds the venting cycle continues with the fan off fig 7 Open the gas valve ahead of the boiler When the message Fh disappears the boiler is ready to operate automaticall...

Страница 6: ...om the boiler the DHW circuit and the heating system water or drain just the DHW circuit and add a suitable antifreeze to the heating system as prescribed in sec 2 3 NOTE If the display does not show the sun symbol but there are the multi function numbers the boiler is in Winter mode 1 4 Adjustments Winter summer switchover Press the winter Summer off button detail 7 fig 1 until the icon winter de...

Страница 7: ...nal probe optional is installed the boiler adjustment system works with Sliding Temperature In this mode the heating system temperature is regulated according to weather conditions to ensure high comfort and energy efficiency throughout the year In particular as the outside temperature increases the system delivery temperature de creases according to a specific compensation curve With the Sliding ...

Страница 8: ...e Remote Timer Control menu and the boiler control panel DHW temperature adjustment Adjustment can be made from the Remote Timer Control menu and the boiler control panel Summer Winter Switchover Summer mode has priority over a possible Remote Timer Control heating demand Eco Comfort selection On disabling DHW from the Remote Timer Control menu the boiler selects Economy mode In this condition the...

Страница 9: ...is restored the boiler will activate the 300 second air venting cycle indicated on the display by Fh To prevent boiler shutdown it is advisable to periodi cally check the pressure on the gauge with system cold In case of a pressure below 0 8 bar it is advisa ble to restore it fig 16 Filling knob System draining The drain cock ring nut is located under the safety val ve inside the boiler To drain t...

Страница 10: ...there must be sufficient space for removing the casing and for normal maintenance activities 2 3 Plumbing connections Important B The safety valve outlet must be connected to a funnel or collection pipe to prevent water spurting onto the floor in case of overpressure in the heating circuit Otherwise if the discharge valve cuts in and floods the room the boiler manufac turer cannot be held liable B...

Страница 11: ... must not be present in low temperature systems Only use conditioners additives inhibitors and antifreeze liquids declared by the producer suitable for use in heating systems and that do not cause damage to the heat exchanger or other components and or materials of the boiler and system Chemical conditioners must ensure complete deoxygenation of the water contain specific protection for yellow met...

Страница 12: ...onnel the Manufacturer declines any liability for damage caused by failure to earth the system The boiler is prewired and provided with a three pole cable without a plug for con nection to the electric line The connections to the grid must be made with a per manent connection and equipped with a bipolar switch whose contacts have a minimum opening of at least 3 mm interposing fuses of max 3A betwe...

Страница 13: ...the front panel on page 29 to access the terminal block M and fuse F by proceeding as follows fig 18 and fig 19 The terminals indicated in fig 18 must be with voltage free contacts not 230V The arrangement of the terminals for the various connections is also given in the wiring diagram in fig 55 fig 18 fig 19 M 1 2 3 4 A 138 5 6 72 139 F ...

Страница 14: ...tion openings etc In case of installation with maximum resistance coaxial or separate chimney it is advisable to perform a com plete manual calibration to optimize boiler combustion Parameter b07 Function LC32 Action LC32 0 Manages a secondary gas valve default The contacts are closed when the gas valve in the boiler is powered 1 Use as an alarm output warning light comes on The contacts are close...

Страница 15: ...ns of the fume exhaust must be kept sloping slightly towards the boiler to prevent possible condensate from flowing back towards the outside and causing dripping fig 21 Starting accessories for coaxial ducts Table 4 Max length coaxial ducts Coaxial 60 100 Coaxial 80 125 Max permissible length horizontal 7 m 28 m Max permissible length vertical 8 m Reduction factor 90 bend 1 m 0 5 m Reduction facto...

Страница 16: ...tion position 3 Check that the sum total of losses is less than or equal to the maximum permissible length in table 6 Table 6 Max length separate ducts Type Description C1X Wall horizontal exhaust and intake The inlet outlet terminals must be concentric or close enough to be undergo similar wind conditions within 50 cm C3X Roof vertical exhaust and intake Inlet outlet terminals like for C12 C5X Wa...

Страница 17: ...wall 1KWMA85A 2 0 fumes wall with antiwind 1KWMA86A 5 0 FLUE Split air fumes 80 80 010027X0 12 0 Fume outlet only Ø80 010026X0 1KWMA86U 4 0 Ø 60 PIPE 1 m M F 1KWMA89W 6 0 BEND 90 M F 1KWMA88W 4 5 REDUCTION 80 60 041050X0 5 0 TERMINAL fumes wall with antiwind 1KWMA90A 7 0 Ø 50 PIPE 1 m M F 041086X0 12 BEND 90 M F 041085X0 9 REDUCTION 80 50 041087X0 10 ATTENTION CONSIDER THE HIGH PRESSURE LOSSES OF ...

Страница 18: ...and Ø60 flues See fig 24 Layout for ducting only with flexible pipe A Ø50 15 m MAX Ø60 30 m MAX Flexible and rigid pipes To use these diameters follow the instructions below Enter the menu TS follow the instructions given in par and set the parameters P62 P63 and P64 to the corresponding value in table 8 and table 9 Table 8 Table 9 max 4 m Ø80 max 4 m Ø80 A Ø50 flexible and rigid pipe Maximum perm...

Страница 19: ...esigned by professionally qualified technical personnel in conformity with the current re gulations and be suitable for sealed chamber units equipped with fan Type Description C8X Exhaust in single or common flue and wall intake B3X Intake from installation room by means of concentric duct that encloses the exhaust and exhaust in common flue with natural draft IMPORTANT THE ROOM MUST BE PROVIDED W...

Страница 20: ...system Drains connected to the drainage system must be resistant to acidic condensate If the condensate drain is not connected to the waste water drainage system a neutralizer must be installed B ATTENTION THE UNIT MUST NEVER BE OPERATED WITH THE TRAP EMPTY OTHERWISE THERE IS A DANGER OF SUFFOCATION DUE TO THE EMIS SION OF COMBUSTION FUMES THE CONDENSATE DRAIN MUST BE CONNECTED TO THE DRAINAGE SYS...

Страница 21: ...ete manual calibration mode by simultaneously pressing the OFF Summer Winter and Heating buttons for 5 seconds The display will show the flashing symbols Au and to After burner ignition flashing symbols Hi flame tap radiator the boiler will do the calibration in the three power levels Hi ME and Lo At the end a numerical value will be displayed the boiler is now at minimum power Lo If the CO2 value...

Страница 22: ... value and then the icon Lo to indicate the minimum power level The adjustment range is from 0 to 6 for all power levels Hi ME Lo increasing the value will increase the CO2 level and vice versa Press the Heating button the display will show the icon ME when ignition intermediate power is reached a numerical value will appear Using the DHW and buttons adjust the CO2 at ignition intermediate power M...

Страница 23: ...the three power levels Hi ME and Lo can be scrolled by pressing the Heating or buttons to recheck or correct the CO2 level Press the OFF Summer Winter and Heating buttons for 5 seconds to exit the complete manual calibration mode and save the settings Modification of parameters to adjust the CO2 in complete manual calibration mode will have a maximum duration of about 8 minutes TEST mode activatio...

Страница 24: ...us parameter to save the change Contents Description Range Default b01 Boiler type selection 3 COMBI HEATING ONLY NOT MODIFIABILE 3 b02 Boiler type 2 BLUEHELIX PRIMA 24 C NOT MODIFIABILE 2 b03 Gas type 0 Natural gas 1 Liquefied gas 2 Propane air 0 b04 System water pressure protection selection 0 Pressure switch 1 Pressure transducer 0 b05 Summer Winter mode 0 WINTER SUMMER OFF 1 WINTER OFF 0 Enabl...

Страница 25: ... b29 Restoring Factory Values Change the value from 0 to 10 by pressing the DHW button Confirm by pressing the heating button When restoring the Factory Values the parameter b27 will be automatically set to 5 0 P30 Heating ramp 10 80 ex 10 20 C min 20 12 C min 40 6 C min 80 3 C min 40 P31 Heating standby time 0 10 minutes 4 P32 Heating Post Circulation 0 255 minutes 15 P33 Pump operation 0 Continu...

Страница 26: ...n DHW 0 100 100 P49 Not implemented b01 2 P50 Not implemented b01 2 P51 Solar off temperature 0 100 C 10 P52 Solar on temperature 0 100 C 10 P53 Solar standby time 0 255 seconds 10 P54 System pre circulation time 0 60 seconds 30 P55 System filling mode 0 Disabled 1 Automatic 0 P56 Minimum system pressure limit value 0 8 bar 10 Only for boilers with water pressure sensor 4 P57 System nominal pressu...

Страница 27: ...ns to display the value Press the Reset button to return to the Service Menu Press the Reset button for 10 seconds to exit the card Service Menu or exiting occurs automatically after 15 minutes rE History Reset Press the Winter Summer Off On button for 3 seconds to delete all faults stored in the History Menu the card automa tically exits the Service Menu in order to confirm the operation Press th...

Страница 28: ...ically power the boiler the display will show the software version number and then Fh and FH air venting cycle see cap 1 3 Connection to the power supply switching on and off on page 5 At the end of the FH cycle the winter mode screen fig 8 will appear on the display make the temperature adjust ments heating delivery and DHW outlet fig 12 and fig 13 In case of gas change G20 G30 G31 G230 check if ...

Страница 29: ...be free of obstructions and leaks The burner and exchanger must be clean and free of deposits Use suitable brushes for cleaning Never use che mical products The electrode must be properly positioned and free of scale The electrode can be cleaned of incrustations only with a non metallic brush and must NOT be sanded The gas and water systems must be tight The water pressure in the system when cold ...

Страница 30: ...lve and baffle carrying out the above steps in reverse order The gas baffle 4 must comply with the direc tion indicated in fig 29 Plate heat exchanger A Before carrying out the following instructions it is advisable to protect the room and the boiler s electrical box against accidental water spillage fig 30 Plate type exchanger replacement maintenance Isolate the boiler by operating the DHW inlet ...

Страница 31: ... s electrical box against accidental water spillage Disconnect the power supply and turn off the gas cock ahead of the valve Electrically disconnect the circulating pump releasing the connections by raising detail 1 of fig 31 Drain the water in the boiler see System draining on page 9 Unscrew and remove the circulating pump motor assembly fig 33 fig 31 fig 32 fig 33 1 2 3 ...

Страница 32: ...sconnect the fan connector Disconnect the connector of the ignition electrode connected to the board Drain the water from the boiler heating circuit Extract the flue connection concentric or accessory for separate ducts Remove the fan Remove the clips of the two pipes on the exchanger pump and hydraulic unit Remove the 2 top screws 3 securing the exchanger to the frame fig 34 Loosen the 2 bottom s...

Страница 33: ... exchanger burner group Check the correct distance of the electrodes Clean the inside of the exchanger with the accessories indicated in fig 35 Do not use metal brushes which could damage the exchanger Exchanger insulation replacement Disconnect the power supply and turn off the gas cock ahead of the valve Remove the cover of the heat exchanger and the burner see fig 35 Rotate the insulating disc ...

Страница 34: ... Undo the screws 3 and remove the fan unit Undo the screws 5 to separate the fan 6 Replacing the electronic board fig 38 Disconnect the power supply and turn off the gas cock ahead of the valve After rotating the control panel lift the cover by operating on the tabs 2 Remove all the electrical connectors Lift the board after removing the screw Insert the new board and reconnect the electrical conn...

Страница 35: ...ew electrode and secure it interposing the gasket 2 After fastening carefully check the distance between the electrodes and burner see fig 40 Refit and secure the burner assembly see fig 35 Removing the diverter valve A Before carrying out the following instructions it is advisable to protect the room and the boiler s electrical box against accidental water spillage fig 41 Disconnect the power sup...

Страница 36: ...ions it is advisable to protect the room and the boiler s electrical box against accidental water spillage fig 42 Disconnect the power supply and turn off the gas cock ahead of the valve Completely drain the water contained in the boiler heating circuit Remove the connector 1 and fastening clip 2 Remove the water pressure switch 3 2 1 3 ...

Страница 37: ...ower supply and turn off the gas cock ahead of the valve Remove the diverter valve connector Close the cold water inlet and turn on the DHW system taps Release the fork 4 and remove the flowmeter assembly 5 The flowmeter components can thus be cleaned see fig 44 and fig 45 or replaced fig 43 Flowmeter 1 Flow limiter 2 Fan 3 Filter 4 Clip 5 Flowmeter Wash the filter with clean water fig 44 Lubricat...

Страница 38: ...ond or use the RESET on the remote timer control optional if installed if the boiler does not restart it is necessary to firstly eliminate the fault Other faults cause temporary shutdowns marked with the letter F which are automatically reset as soon as the value returns within the boiler s normal working range Table of faults Table 12 List of faults fig 46 fig 47 Fault code Fault Possible cause C...

Страница 39: ...necessary No water circulation in the sys tem Check the circulating pump Air in the system Vent the system A09 Exchanger protection activa tion No water circulation in the sys tem Check the circulating pump Poor circulation and anoma lous flow probe temperature increase Vent the system blocked exchanger check the exchanger and system F09 Overtemperature protection intervention Flow sensor damaged ...

Страница 40: ...ensate trap are not blocked Check the correct gas supply pressure Do a manual calibration to adjust the CO2 If necessary do a complete manual calibration If the problem persists replace the electronic board A65 A97 Specific combustion control errors Fume ducts obstructed Low gas pressure A78 A84 Condensate trap blocked Fumes recirculation or com bustion problem Check that the fume ducts and the co...

Страница 41: ...ons and connections 7 Gas inlet Ø 3 4 8 DHW outlet Ø 1 2 9 Cold water inlet Ø 1 2 10 System delivery Ø 3 4 11 System return Ø 3 4 A6 Condensate discharge connection fig 48 Front view fig 49 Side view fig 50 Top view fig 51 Bottom view 400 700 330 110 200 200 38 65 66 66 65 100 80 233 189 45 10 8 7 9 11 A6 ...

Страница 42: ...mperature sensor 193 Trap 194 DHW exchanger 196 Condensate tray 350 Fan Burner assembly fig 53 Hydraulic circuit 8 DHW outlet 9 Cold water inlet 10 System delivery 11 System return 14 Safety valve 32 Heating circulating pump 34 Heating temperature sensor 36 Automatic air vent 42 DHW temperature probe 56 Expansion vessel 74 System filling cock 95 Diverter valve 114 Water pressure switch 136 Flow me...

Страница 43: ...cy Pmax 50 30 C 105 8 Efficiency Pmin 50 30 C 106 9 Efficiency 30 108 8 Gas supply pressure G20 mbar 20 Max gas flow G20 m3 h 2 65 Min gas flow G20 m3 h 0 44 CO2 G20 9 0 8 Gas supply pressure G31 mbar 37 Max gas flow G31 kg h 1 94 Min gas flow G31 kg h 0 33 CO2 G31 10 0 8 NOx emissions class 6 NOx Max working pressure in heating bar 3 TDC Min working pressure in heating bar 0 8 Heating adjustment ...

Страница 44: ...ĂƚƵƌĞ ƌĞŐŝŵĞ ΎΎͿ ƚ ĨƵůů ůŽĂĚ ƚ ƉĂƌƚ ůŽĂĚ Ŷ ƐƚĂŶĚďǇ ŵŽĚĞ ƚĂŶĚďǇ ŚĞĂƚ ůŽƐƐ ŐŶŝƚŝŽŶ ďƵƌŶĞƌ ƉŽǁĞƌ ĐŽŶƐƵŵƉƚŝŽŶ ŶŶƵĂů ĞŶĞƌŐǇ ĐŽŶƐƵŵƉƚŝŽŶ ŽƵŶĚ ƉŽǁĞƌ ůĞǀĞů ŵŝƐƐŝŽŶƐ ŽĨ ŶŝƚƌŽŐĞŶ ŽǆŝĚĞƐ ĞĐůĂƌĞĚ ůŽĂĚ ƉƌŽĨŝůĞ tĂƚĞƌ ŚĞĂƚŝŶŐ ĞŶĞƌŐǇ ĞĨĨŝĐŝĞŶĐǇ ĐůĂƐƐ ĨƌŽŵ н ƚŽ Ϳ ĂŝůǇ ĞůĞĐƚƌŝĐŝƚǇ ĐŽŶƐƵŵƉƚŝŽŶ ŶŶƵĂů ĞůĞĐƚƌŝĐŝƚǇ ĐŽŶƐƵŵƉƚŝŽŶ tĂƚĞƌ ŚĞĂƚŝŶŐ ĞŶĞƌŐǇ ĞĨĨŝĐŝĞŶĐǇ ĂŝůǇ ĨƵĞů ĐŽŶƐƵŵƉƚŝŽŶ ŶŶƵĂů ĨƵĞů ĐŽŶƐƵŵƉƚŝŽŶ dƌĂĚĞŵĂƌŬ ZZK ŽŶĚ...

Страница 45: ...0 4 5 Diagrams Residual head available for system BLUEHELIX PRIMA 24 C fig 54 Residual head available for system 0 0 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 5 5 6 0 6 5 7 0 7 5 8 0 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 1 1 1 2 1 3 1 4 1 5 1 6 H mCA Q m3 h ...

Страница 46: ...r the remote timer control To connect multiple zones of the plumbing system controlled by thermostats with voltage free contact and the re is a need to use the timer control as a function of remote boiler controls it is necessary to connect the vol tage free contacts of the zones to terminals 1 2 and the timer control to terminals 5 6 ALL CONNECTIONS TO THE TERMINAL BLOCK MUST BE WITH VOLTAGE FREE...

Страница 47: ......

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