BaltGaz NEVALUX 7224 User Manual

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User’s manual

TABLE OF CONTENTS

1. SAFETY MEASURES...................................................................................................................................................4

2. Technical description

........................................................................................................................................................................................... 5

2.1.Boiler’s purpose........................................................................................................................................................... 5

2.2. Technical characteristics............................................................................................................................................. 5

2.3. Overall and connection

dimensions………………………..................................................................................................................................... 6

3. USER’S MANUAL....................................................................................................................................................... 7

3.1. Control Panel.............................................................................................................................................................. 7

3.2. Boiler’s operating

modes………………......................................................................................................................................................... 8

3.2.1. Standby

mode...................................................................................................................................................................................8

3.2.2. DHW mode.............................................................................................................................................................. 8

3.2.3. Combined

mode………….................................................................................................................................................................. 9

3.2.4. Heating

mode…….......................................................................................................................................................................... 9

3.3. Additional

functions…….................................................................................................................................................................... 9

3.3.1. Antifreeze

functions………................................................................................................................................................................ 9

3.3.2. Anti-blocking

functions…………............................................................................................................................................................ 9

3.3.3. Boiler’s operation in heating mode with an external (outdoor) temperature

sensor................................................................................................................................................................................ 9

3.3.4. Boiler’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

REQUIREMENTS.......................................................................................................................................................... 11

7. OPERATIONS BEFORE

INSTALLATION............................................................................................................................................................ 12

7.1. DHW system............................................................................................................................................................. 12

7.2. Heating system......................................................................................................................................................... 12

7.2.1. New heating

system……...................................................................................................................................................................... 12

7.2.2. Existing heating

system………………...................................................................................................................................................... 12

7.3. Selection of an additional expansion

tank.................................................................................................................................................................................. 12

8. BOILER INSTALLATION......................................................................................................................................... 13

8.1. Mounting the boiler to the

wall……………………….............................................................................................................................................. 13

8.2. Connecting the boiler to the CH and the DHW

system.............................................................................................................................................................................. 13

8.3. Connecting the boiler to the gas

system.............................................................................................................................................................................. 13

8.4. Connecting the boiler to the balloon with liquefied

gas.................................................................................................................................................................................... 14

8.5. Connecting the boiler to the power

line................................................................................................................................................................................... 14

9. SMOKE EXHAUSTER

INSTALLATION……………........................................................................................................................................ 15

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Summary of NEVALUX 7224

Page 1
User’s manual table of contents 1. Safety measures...................................................................................................................................................4 2. Technical description ...............................................................................
Page 2
User’s manual 9.1. Installation of coaxial smoke exhauster.......................................................................................................................................................................... 15 9.2. Installation of separate pipes of smoke exhauster and air duct....
Page 3
User’s manual 13.3.2. Gas analysis function............................................................................................................................................................................ 27 13.4. Boiler’s operating logic………………................................................
Page 4
User’s manual 17. Boiler’s disassembling and dismantling of main blocks......................................................................................................................................................................... 36 17.1. Burner assembly dismantling..........................
Page 5
User’s manual user’s manual dear customer! Thank you for choosing our product. You have purchased a double circuit wall-hung boiler with a closed combustion chamber. Before purchasing the boiler please check: - scope of delivery (see section 23, p. 42) and the boiler’s resalable condition; - compati...
Page 6
User’s manual - to expose the boiler to the impact of atmospheric precipitations. - in order to avoid poisoning with carbonic oxide the premise where the boiler is installed must have the ventilation providing air exchange of not less than one premise volume per hour. In case of long-term idle state...
Page 7
User’s manual power , not less than performance index at rated heating power 30%, not less than % 87,0 heating circuit: rated heating effect kwt 24,0 rated heating power kw 26,7 rated gas consumption m 3 /h 2,95/1,00 temperature regulation range o С 30 ÷ 85 operating water pressure mpa 0,1 ÷ 0,2 max...
Page 8
User’s manual pipes) inlet air orifice / output orifice for combustion products (for separate pipes) mm Ø 80 / Ø 80 user’s manual 2.3. Overall and connection dimensions a- heating circuit output Г-cold water inlet g1/2 g3/4 Д- heating circuit inlet g3/4(reverse) Б-dhw output g1/2; e- safety valve co...
Page 9
User’s manual user’s manual 3. User’s manual 3.1. Control panel the main control element of the boiler is the electronic board which controls all boiler’s operation. The electronic board’s microprocessor collects and processes signal from the control and safety sensors. All information about the boi...
Page 10
User’s manual the symbols on display show the boiler’s operation mode. Around the display there are 6 boiler control buttons. The designation of the control buttons and of the symbols shown on display are represented in the tables 2 and 3 respectively. Control buttons designation table 2 symbol func...
Page 11
User’s manual dhw mode combined mode heating mode scheme 3. Sequence of the boiler’s operating modes change. 3.2.1 standby mode in the standby mode, when the boiler is waiting for the user’s commands, the symbol is shown on display. The boiler is not in operation, but the possibility of switching on...
Page 12
User’s manual the pumpanti-blocking function permits to exclude blocking of the pump shaft in case of the boiler’s long- term idleness. This function works only in standby mode. Once in 24 hours the pump is launched for 15 seconds. 3.3.3. Boiler’s operation in heating mode with an external (outdoor)...
Page 13
User’s manual - the air from the heating system must be removed from time to time (see section10, page19); -the heating system must be filled with water until the needed pressure is reached (see section10, page19); -the boiler must be kept clean, for this it is necessary to remove dust from the boil...
Page 14
User’s manual technical staff manual 6. Operations before installation caution! Boiler installation, putting the boiler into operation and technical service can be effectuated only by a specialized service organization. Boiler installation must be effectuated according to the project which complies ...
Page 15
User’s manual on a distance of not less than 3 cm from the wall. The above mentioned wall covering must get outwards the boiler’s coating’s dimensions for not less than 10 cm; -placing the boiler above the gas stove or kitchen sink is prohibited; -in front of the boiler there should be a service zon...
Page 16
User’s manual 3) to use damaged gas cylinders. It is recommended to keep gas cylinders in a special metal cabinet in order to limit access of children and unauthorized persons to them. Placing gas-cylinder installations inside the building is unacceptable. 8.5 connecting the boiler to the power line...
Page 17
User’s manual scheme 5. Installation of coaxial smoke exhauster 9.2. Installation of separate pipes of smoke exhauster and air duct connecting separate pipes to the boiler is effectuated with a transitional set khg 714061510 (not included into the boiler’s supply package) or a channel separator 8023...
Page 18
User’s manual scheme 6. Installation of separate pipes of smoke exhauster and air duct by means of transitional set the transitional set consists of details 7, 8, 9 (see scheme 6.). The smoke exhauster adapting pipe 7 is installed to the central orifice on the upper surface of the boiler and is fixe...
Page 19
User’s manual 3) make sure that the sealing ring 6 is placed (at the place of connection of the ventilator plug) before installing the separator onto the boiler (see scheme 9); 4) install the channel separator 2 onto the boiler, controlling that the plug won’t “bite on” the sealing ring 6 (see schem...
Page 20
User’s manual technical staff manual 10. Putting the boiler into operation (initial run) as a heating agent in the heating system it is necessary to use water. The quality of water used in the heating system must comply with the following parameters: hydrogen ion exponent РН 6−8 general hardness not...
Page 21
User’s manual scheme 10. Circulation pump check than screw the cover plug up tight. While effecting this operation water leaks from the pump are possible, after installing the cover plug the rests of water must be removed from the boilers components (you must wipe them);also check the boiler connect...
Page 22
User’s manual the remote control is not included in the boilers standard supply package and is purchased separately if desired by the customer. The cable for connecting the remote control to the boiler is not included in the remote control’s supply package and is purchased separately. The standard c...
Page 23
User’s manual 11.1. Prestarting 1) switch the boiler off (see p. 10.4 , page 21) and throw a cover of a front panel; 2) unscrew 6 self-threading screws from front panel’s support; 3) remove a front panel with a cover; 4) put off a plastic cap from the regulating screw c and Б (see schemescheme 11 )....
Page 24
User’s manual 1) switch the boiler off (see p. 10.4 , page 21); 2) put off a casing from the boiler. For this it is necessary to unscrew 4 casing’s fastening screws (self-threading screws) to the low panel of a boiler and 6 casing’s fastening screws (self-threading screws) to the front panel; 3) thr...
Page 25
User’s manual 13.1. Boilers flow chart «baltgaz nevalux−7224» combustion products inlet air inlet air hc outlet dhw outlet gas inlet cold water inlet hc inlet 1 - air pressure switch; 2 - fan; 3 - exhaust flue; 4 - heat exchanger; 5 - burner block (burner); 6 - ignition plug; 7 - sealed chamber; 8 -...
Page 26
User’s manual 13.2. Main components 13.2.1. Control system component function electronic board 22 (see p. 13.1 , page 24) to control boiler’s operation and ensure safety in case of emergency wiring a set of cables for connecting a board with sensors, components and mechanisms 13.2.2. Hydraulic syste...
Page 27
User’s manual 13.3. Service functions 13.3.1 parameters programming function parameters programming function enables to modify main parameters of boiler’s starting up and operating. This function works only in the stand-by mode and allows modifying the following parameters: “p0” – ignition power 0 ÷...
Page 28
User’s manual 13.3.2 gas analysis function gas analysis function enables to control, analyze combustion process and adjust a gas supply regulator (see p. 11.2 and 11.3 , page 22). This function works in ch and combined modes. To activate a gas analysis function it is necessary to hold the button К6 ...
Page 29
User’s manual ionization plug 11 is absent, electronic board repeats a procedure of boiler’s staring up from the beginning. There are 2 consecutive start up attempts taken. If both attempts failed, electronic board stops ignition; 8) electronic board changes voltage in the modulator coil of gas supp...
Page 30
User’s manual cod e failure reason of failure troubleshooting electric circuit of thermo relay is damaged (overheat sensor) check electric circuit and pins 02 water overheating boiler doesn’t work* heating system is contaminated clean heating system failure of thermo relay (normally closed at temper...
Page 31
User’s manual cod e failure reason of failure troubleshooting 07 failure of modulator coil of gas supply regulator boiler doesn’t work** broken modulator coil of gas supply regulator replace gas supply regulator (resistance of modulator coil 80 ohm) electric circuit “modulator coil- electronic board...
Page 32
User’s manual failure reason of failure troubleshooting boiler is in stand-by mode, a symbol«- -» is displayed but boiler doesn’t react to the pressed control buttons power voltage is over 190 ÷ 250 v restore power voltage in range 190 ÷ 250 v. Within 30 seconds will be automatic boiler’s start up i...
Page 33
User’s manual external cleaning of heat exchanger in order to improve gas combustion and to achieve maximum heat exchange in the appliance, it is necessary to keep finning of the heat exchanger 4 (p. 13.1 , page 24) in order. If heat exchanger is contaminated, it is necessary to clean its surfaces w...
Page 34
User’s manual 16.2.2.2 checking of water overheating protection in the heating system from the operating boiler to put the cables off from the thermo relay 9 (see p. 13.1 , page 24). Boiler should switch off and display a symbol "02". After eliminating the reasons of the emergent switching off (conn...
Page 35
User’s manual 16.2.2.11 checking dhw flow sensor render boiler into dhw mode (see p. 3.2.2 , page 8), open a tap in dhw line. Put the cables off from the dhw flow sensor 15 (see p. 13.1 , page 24). Boiler should enter into the stand-by mode. After connecting the cables back, boiler should automatica...
Page 36
User’s manual 10) unscrew 2 screws 4 (see scheme.14) of manifold’s fastening to the burner front bracket; 11) by means of a turnkey 30 unscrew a nut 5 of the fastening of manifold to the gas pipe and put a manifold off; scheme14. Manifold dismantling scheme15. Burner dismantling 12) unscrew four sel...
Page 37
User’s manual scheme 17. Pump dismantling 5) unscrew on the low panel three screws of the pump’s fastening 1 and two screws 2 of bithermic manifold fastening; 6) disconnect a screw termination 3 (see scheme. 17) with the pump’s power cables out of the conneсtor; 7) put off a bracket 4 of pipe’s fast...
Page 38
User’s manual scheme 19. Dismantling of the tube of expansion tank scheme20. Expansion tank dismantling 3) by means of the turnkey 22 to unscrew a nut 1 (see scheme. 19) of the pipe of the expansion tank 4; 4) by means of the turnkey 22 to unscrew two fastening of the expansion tank 4 to the bracket...
Page 39
User’s manual annex i catalog of boilers components «baltgaz nevalux−7224» pos. Designation note 1 back wall in assembly consists of: 1) back side 7224-01.051 2) exhaust flue 8223-01.200 3) damper 8223-01.002 4) bar 8230-01.005 5) bearing 8223-00.014 6) bearing 8223-00.015 2 heat exchanger 256350881...
Page 40
User’s manual pos. Designation note burner block 7224-22.000-01 13 blades, nozzles Ø 0,79 mm (lpg (g30,3 family, group В/Р), 2,9 kpа) 8 cap 8223-10.001 9 bearing8223-10.002 10 viewing window 8223-10.005 11 fan err97/34l 12 air pressure switch ns2-1245-00 air pressure switch rb21001 13 expansion tank...
Page 41
User’s manual pos. Designation note 56 decorative panel 8023-02.002 57 thermo relayhd8.5fc-9 90 °c applied only together with heat exchanger 256350881801 58 clamp 0409001010 59 temperature sensor tp01ah1lq 60 copper sensor 8223-02.003 61 thermo relay Тy60/А В230ag-90°c 90 °c, applied only together w...
Page 42
User’s manual pos. Designation note 73 o-ring or 9,25x1,78 21000606701000 74 o-ring or 6,75x1,78 21000606700500 75 o-ring or 5,5x2 21000606701700 76 manometer’s connector 21000605800300 77 separator 21000605700400 78 pump’s fitting 21000607603700 79 nut g1/2 00046240210080 g1/2 80 spacer 21х28х2 210...
Page 43
User’s manual components of the burner block pos. 7 pos. Designation note 93 burner blade 3295.07.40.000 94 manifold in assembly 3295.07.20.000-10 nozzles Ø 1,31 mm (ng (g20, 2 family, group Н), 1,3 kpа) manifold in assembly 3295.07.20.000-11 nozzles Ø 0,79 mm (lpg (g30, 3 family, group В/Р), 2,9 kp...
Page 44
User’s manual components of wiring designation note power cable cbab0w008 220В, 50hz main cable cbab0096 to connect a fan, gas supply regulator, igniter pump cable cbab0w020 to connect a pump gas supply regulator cable cbab0w009 to connect modulator coil of gas supply regulator, dhw flow sensor, pre...
Page 45
User’s manual another way to determine water volume in the heating system is to compare values of the water sensor before and after filling with water. Minimal initial pressure in the expansion tank should not be less than the static pressure at the connection point of the vessel. Static pressure- i...
Page 46
User’s manual annex iii 1 - ignition plug; 2 - igniter; 3 - gas supply regulator; 4 - fan; 6 - pump; 7 - air pressure switch; 8 - thermo relay 95 °С; 9 - modulator coil of gas supply regulator; 10 - pressure sensor; 11 - flow sensor ГВС; 12 - temperature sensor outdoor (option); 13 - room thermostat...
Page 47
User’s manual boilers wiring diagram «baltgaz nevalux−7224» cables colors designation: бел – white; г – blue; ж/з – yellow-green; кор – brown; кр – red; ор – orange; ч – black. Connector pins cables colour cable parameters power supply М1 1 brown power cable 220 v, ~ 50 hz 2 blue fan М4 12 blue main...
Page 48
User’s manual regulator 20 black regulator’s cable igniter М4 8 black main cable 220v, ~ 50 hz hz 9 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 ...