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User’s manual 

regulator 

20 

black 

regulator’s cable 

igniter 

М4 

black 

Main cable 

220V, ~ 50 Hz Hz 

red 

Thermo relay 95 °С  
(water overheating sensor) 

М6 

17 

blue 

Air pressure switch 

cable 

24V, 10 мА 

18 

brown 

Air pressure switch 

М6 

15 

blue 

Air pressure switch 

cable 

24 V, 10 мА 

16 

blue 

Pressure sensor 

М9 

22 

black 

Gas supply 

regulator’s cable 

24 V, 10 мА 

23 

red 

Water flow DHW 

М9 

24 

blue 

Gas supply 

regulator’s cable 

24 V, 10 мА 

25 

brown 

Temperature sensor CH 

М11 

30 

blue 

CH temperature 

sensor cable 

 

10 kOhm  

(at 25 °С) 

31 

blue 

Temperature sensor DHW 

М10 

36 

blue 

DHW Temperature 

sensor cable 

10 kOhm 

(at 25 °С) 

37 

blue 

Ionization plug 

М5 

40 

red 

Ionization plug cable 

 

Ignition plug 

— 

— 

red 

Ignition plug sensor 

12 kW 

Room thermostat (option, see 
p.

10.3.1

М10 

28 

 

 

24 V, 10 mА 

29 

Remote control 
(option, see p.

10.3.2

М8 

40 

 

 

 

41 

Outdoor temperature sensor 
(option,  
see p.

10.3.3

М10 

26 

 

 

10 kOhm 

27 

PC for diagnostics 
(option, see p. 

10.3.4)

 

М7 

 

 

 

 

Zone control board (option, 
see p.

10.3.5

М8 

38 

 

 

 

39 

 

Summary of Contents for NEVALUX 7224

Page 1: ...er s operation at low high source voltage 10 4 BOILER SERVICE 10 4 1 Examination 10 4 2 Boiler Treatment 10 4 3 Operations effectuated at technical service 11 5 STORAGE PRECAUTIONS 11 6 GENERAL REQUIR...

Page 2: ...tion of external temperature sensor 21 10 3 4 Connection of a computer for diagnostics 21 10 3 5 Connection of several room thermostats 21 10 4 Swithching the boiler off 21 10 5 Water drain from the b...

Page 3: ...operation 34 16 2 2 1 Checking of water pressure sensor in the heating system 34 16 2 2 2 Checking of water overheating protection in the heating system 34 16 2 2 3 Checking of bypass valve operation...

Page 4: ...N BLOCKS 36 17 1 Burner assembly dismantling 36 17 2 Heat exchanger dismantling 37 17 3 Pump dismantling 37 17 4 Bypass valve dismantling 38 17 5 Expansion tank dismantling 38 18 UTILIZATION 38 23 SUP...

Page 5: ...er preventive servicing failure correction and repair are effectuated only by a specialized service organization The boiler is not unappropriated for use for people including children with low intelle...

Page 6: ...lothes that constrain breath 4 Give household ammonia to smell 5 To cover warmly but not letting to fall asleep Prehospital service at electricity impact must be provided immediately if possible at th...

Page 7: ...water flow for switching the boiler on l min 2 5 Minimal water flow for switching the boiler off l min 1 5 Specific water consumption D dm3 min 11 6 Mass consumption of combustion products g s 17 0 1...

Page 8: ...te pipes mm 80 80 User s Manual 2 3 Overall and connection dimensions A Heating circuit output Cold water inlet G1 2 G3 4 Heating circuit inlet G3 4 reverse DHW output G1 2 E Safety valve connection p...

Page 9: ...2 Boiler s control panel In the left part of the control panel there is a pressure gauge indicating the pressure inside the heating circuit Water pressure in the heating circuit must be not lower tha...

Page 10: ...ence of flame on the burner Standby mode Boiler in the DHW standby mode Boiler operating in the DHW mode Boiler in the heating standby mode Boiler operating in the heating mode Error code reset reques...

Page 11: ...ions User s Manual 3 2 3 Combined mode In the combined mode the boiler operates both for heating and DHW While operating in this mode the symbols and are shown on display If there is no water flow in...

Page 12: ...ong term and failure free boiler operation and to keep its operational characteristics it is necessary to regularly effect the examination treatment and technical service of the boiler Examination and...

Page 13: ...ystem and combustion products outlet must be checked for air tightness 9 Water flow in DHW supply system must be enough for switching the DHW mode on 10 Checking of the heating system in order to dete...

Page 14: ...what would lead to reduction of its working lifespan Water chemical makeup requirements are indicated in section 10 page 19 Presence of rust dirt and other depositions in the heating system leads to...

Page 15: ...air 8 3 Connecting the boiler to the gas system In accordance with p 7 SP 62 13330 2011 the connection of the gas line to the boiler should be made with metal pipes steel and copper and heatproof mult...

Page 16: ...ial pipe see p 9 1 page 15 or two separate pipes see p 9 2 page16 to the upper part of the wall hung boiler with further output of them from the premise Herewith the pipes must comply with the followi...

Page 17: ...d turn the butterfly damper invertedly and fix Using separate pipes it is necessary to additionally take into account the following The total maximum pipe length must not exceed 25 m Each 90 branch pi...

Page 18: ...separate pipes of smoke exhauster and air duct by means of channel separator 8023 10 000 CAUTION In order to install the channel separator 8023 10 000 onto the boiler you must have the following item...

Page 19: ...sher4 and then the ring 5 on each screw see Scheme 9 6 Make sure that there are sealing rings 7 2 pcs placed on the inlet and outlet of the channel separator before further installation of the smoke e...

Page 20: ...so that the pump completely removes the air from the heating system Herewith the pressure may reduce lower than 1 bar and the boiler will show the error 04 not enough water pressure in the heating ci...

Page 21: ...from the contacts 26 and 27 to the contacts 28 and 29 Then you must effect the connection of interconnecting wires of the room thermostat to the terminal strip the thermostat s wires connection polar...

Page 22: ...in p 10 3 1 The connecting instruction of the sensor is supplied together with it 10 3 4 Connection of a computer for diagnostics The electronic board provides a possibility of connecting a stationar...

Page 23: ...3 2 4 page 9 3 Set rated power by turning on a function of gas analysis see p 13 3 2 page 27 4 Keep boiler in the CH mode within 1 minute 5 Check gas pressure in the control point It should be 1 kP 1...

Page 24: ...screw 2 fastening screws self threading screw of the manifold to the front burner s bracket and with a turnkey 30 to unscrew a nut fixing a manifold to the gas pipe detailed description of removing th...

Page 25: ...anger 5 burner block burner 6 ignition plug 7 sealed chamber 8 gas supply regulator 9 thermo relay 10 CH temperature sensor 11 Ionization plug 12 Bypass valve 13 Drain valve 14 DHW temperature sensor...

Page 26: ...3 1 page 24 Mixing gas and air and ensuring uniform combustion of gas air mixture in the combustion chamber Igniter 23 Forming a spark on the ignition plug Ignition plug 6 To create a spark for igniti...

Page 27: ...arameter by pressing a button 1 increasing or 2 value reducing Keep the button 1 or 2 pressed for increasing speed of changing parameter 9 Press button 5 in order to keep a set parameter value and com...

Page 28: ...necessary for gas removal in case of previous fail start up 5 igniter 23 by the signal of the electronic board provides high voltage to the ignition plug 6 within 10 seconds sound of discharge is hear...

Page 29: ...IR ELIMINATION 13 5 14 1 Error codes Stoppage of the boiler s operation caused by the refuse or faulty operation of any of its systems is accompanied by an appropriate error code displayed on the boil...

Page 30: ...ssure switch tubes Replace tubes Electric circuit of air pressure switch is damaged Check electric circuit and pins Faulty air pressure switch pins of pressure switch should close at pressure drop fro...

Page 31: ...rk of ignition plug slips on the edge of burner section or the shell of combustion chamber Bend the ignition plug or shell of combustion chamber allowing a spark to slip on the aperture area of the no...

Page 32: ...stems in such connections where disassemble of water and gas pipes or in the places where water or gas leakage occur 4 Check air tightness of boiler s water and gas systems 5 Lubricate moving connecti...

Page 33: ...DHW filter It is located in the DHW flow sensor and can be demounted by means of corkscrew or any other instrument 16 2 Boiler s operation check At every boiler s service it is necessary to check 1 Co...

Page 34: ...witching off connect cable to the ionization plug back and pressing a button 6 RESET boiler will switch on automatically Flame detection is based on the principle of monitoring ionization current Ioni...

Page 35: ...check whether a bypass pipe heats If bypass pipe is heated constantly it is necessary to clean a boiler s inlet water filter in CH line if filter is mounted and also in other heating areas where cont...

Page 36: ...tem 3 Put a burner block off see section17 1 page36 4 disconnect cables from the thermo relay 4 see scheme 15 5 By means of the turnkey 30 to unscrew 2 nuts 1 of pipes fastening to the heat exchanger...

Page 37: ...verse order 17 3 Bypass valve dismantling To dismount a bypass valve it is necessary 1 switch the boiler off see p 10 4 page 21 2 block inlet and output stop valve in the boiler drain the water out of...

Page 38: ...system drain water out of the boiler if there are not stop valves drain water out of the whole heating system 3 shut a gas block valve 4 disconnect pipe connection from the CH DHW and gas 5 take a boi...

Page 39: ...ed together with a clamp 0409001010 pos 58 thermo relay HD8 5FC 9 Pos 57 temperature sensor TP01AH1LQ pos 59 and copper spacers 8223 02 003 pos 60 Heat exchanger QF DSGLS L270 Applied together with th...

Page 40: ...00 25 Output DHW pipe 7324 08 000 26 Inlet DHW pipe7324 09 000 27 pipe 7324 11 000 28 pipe 8223 00 003 5 0 1 5 L 360 mm 29 spacer 8223 01 004 30 spacer 8223 01 007 31 spacer 8023 00 003 G3 4 32 spacer...

Page 41: ...DSGLS L270 62 Temperature sensor JXW 54 14 14 63 Temperature sensor JXW 54 18 18 Components of hydraulic group pos 6 Pos Designation Note 64 Pressure sensor 21000605300200 0 5 bar 65 DHW flow sensor...

Page 42: ...0 G1 2 80 spacer 21 28 2 21000607900800 81 bracket 8 21000607000300 82 bracket 14 21000607000200 83 Bithermic manifold 21000607700900 84 Bypass valve HDS 15 300 21000607300500 85 Draining fitting 2100...

Page 43: ...295 07 20 000 11 nozzles 0 79 mm LPG G30 3 family group 2 9 kP 95 nozzle 3295 07 20 005 19 1 31 mm NG G20 2 family group 1 3 kP nozzle3295 07 20 005 20 0 79 mm LPG G30 3 family group 2 9 kP 96 bar 822...

Page 44: ...nal expansion membrane tank by connecting it to the return line by pass really close to the boiler In the tables presented below you can find water volume necessary for fulfilling elements of the heat...

Page 45: ...for the boilers BaltGaz NEVALUX the initial pressure in the expansion tank should be at least 0 1 MP and not more than 0 3 MP Lower pressure can cause the boiler s operating failure To calculate the f...

Page 46: ...re sensor 15 DHW temperature sensor 16 Ionization plug 17 Remote control option 18 jumper choosing gas type 19 connector of mounting a PC for boiler operating diagnostics 20 ground socket 21 fuse 2 pc...

Page 47: ...e black Connector Pins Cables colour Cable Parameters Power supply 1 1 brown Power cable 220 V 50 Hz 2 blue Fan 4 12 blue Main cable 220 V 50 Hz 13 brown pump 3 3 blue Pump s cable 220 V 50 Hz 6 brown...

Page 48: ...ue Gas supply regulator s cable 24 V 10 25 brown Temperature sensor CH 11 30 blue CH temperature sensor cable 10 kOhm at 25 31 blue Temperature sensor DHW 10 36 blue DHW Temperature sensor cable 10 kO...

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