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EN

Technical information
Assembly instructions

Hoval products must be installed and commissioned 

-

tions are intended exclusively for the specialist. Electri-

electrician.

Max-3 plus

 

boilers are suitable and approved as 

heat pro ducers for hot water heating systems with

 permissible feed temperatures up to 110 °C

1)

. They

 are

  designed fo

r

 closed

 systems

 

according to EN

 12828.

1)

 see point 3.2

Oil/gas heating boilers

Max-3 plus (420-2700)

These instructions are applicable to the fol-
lowing types:
1-Max-3 plus

 (420)

1-Max-3 plus (530)
1-Max-3 plus

 (620)

1-Max-3 plus (750)
1-Max-3 plus

 (1000)

1-Max-3 plus

 (1250)

2-Max-3 plus (1500)
2-Max-3 plus

 (1800)

2-Max-3 plus

 (2200)

2-Max-3 plus

 (2700)

4 214 283 / 00 - UK - 03/15

Summary of Contents for Max-3 plus Series

Page 1: ...er heating systems with permissible feed temperatures up to 110 C1 They aredesigned for closed systems according to EN 12828 1 see point 3 2 Oil gas heating boilers Max 3 plus 420 2700 These instructi...

Page 2: ...t thermal insulation and casing Max 3 plus 420 2700 23 4 Installation 4 1 Boilerhouse Ventilation 24 4 1 2 Ventilation 24 4 1 3 Air Supply by Mechanical Ventilation General Guidelines 24 4 2 Open Vent...

Page 3: ...or key 34 6 2 Operating Instructions 35 6 2 1 Starting up after cleaning the boiler or a Summer shut down 35 6 3 Inspection Servicing 36 6 3 1 Periodic Inspection 36 6 4 Boiler Burner Servicing 37 6 4...

Page 4: ...ulations are to be complied with installa tion and operation in addition to current IEE Regulations other relevant British Standards and codes of practise Building Regulations and Local Authority by l...

Page 5: ...hts see chapter 3 In the case of boiler installation in the domestic domain vibration dampers are to be mounted under the boiler plinth rails Space requirement for mounting the thermal insulation and...

Page 6: ...changed over as follows 1 Tighten the top and bottom locknuts 1 Fig 01 to 2 opening side i e nuts and nuts 3 Unscrew locknut 3 and turn back approx 1 cm 4 Mount the burner plug connector on the other...

Page 7: ...insulating mat 4 Fig 03 on the pins welded to the rear wall of the boiler and secure with the retaining discs Fig 02 5 Place insulating mats 5 5a 5b 5c Fig 03 on the pins mounted to the front wall of...

Page 8: ...8 4 214 283 00 ASSEMBLY Fig 03 1 4 3a 3 5 5a 5b 5c 2a 2b 2 1a 6...

Page 9: ...and attach to the special screws of the rear wall 11 13 Install burner connector plug 13 in the left or right front side wall observe boiler door opening side see point 4 6 1 on page 28 Attach C clip...

Page 10: ...10 4 214 283 00 ASSEMBLY Fig 06 Fig 07 7b 7 7a 8 13a 9b 9 15a 10 14 13 14b 11 18 18a 19 Fig 08 8 14a 17 21 12 14c...

Page 11: ...r mounting the cladding back wall 17 Fig 13 4 Place insulating mat 4 Fig 10 on the pins welded to the rear wall of the boiler and secure with the retaining discs Fig 09 5 Place insulating mats 5 5a 5b...

Page 12: ...12 4 214 283 00 ASSEMBLY Fig 10 1a 1 2 2a 2b 3 3a 3b 4 5b 5 6 5c 5a...

Page 13: ...taining spring 11b Fig 12 Attention The capillaries must not be kinked 12 Fix the control box cover 9 Fig 13 with self tapping screws 3 5 x 6 5mm and serrated lock washers 13 Mount the rear side walls...

Page 14: ...14 4 214 283 00 ASSEMBLY Fig 13 Fig 14 7c 7 7a 8 10a 9b 9 11a 13 10b 10 10d 14 19 19a 17 Fig 15 8 10c 15 7b 16 18 21 13a 18a 10e...

Page 15: ...th plastic straps 2 and strap fasteners 2a do not overtighten the straps reduced insulating value 3 the rear casing panel 14 15 16 Fig 21 4 Place insulating mat 4 Fig 17 on the pins welded to the rear...

Page 16: ...16 4 214 283 00 ASSEMBLY Fig 17 1a 1 2 2a 2b 3 3a 3b 4 5b 5 6 5c 5a...

Page 17: ...For this purpose the pressure lock sleeves 18b compress and pull away as well as the earth screw and serrated lock washer 18d must be removed Fix special screws 18f Fig 18 with locknut at sup porting...

Page 18: ...18 4 214 283 00 ASSEMBLY 24 23 22 21 20 11 12 19b 25b 25a 25 17b 17a 18g 19 17 10 9 8 15 16 14 13 Fig 21...

Page 19: ...90 396 EG Gas appliance directive 73 23 EWG Low voltage directive 89 336 EWG Electromagnetic compatibility directive 97 23 EG Pressure equipment directive PED Regulations Stability prEN14394 2001 Cons...

Page 20: ...s 10 8 CO2 kg h 680 859 1004 1215 1619 Flow resistance boiler 3 z value 0 022 0 022 0 008 0 008 0 003 10 K mbar 28 5 45 4 22 6 33 1 22 0 20 K mbar 7 1 11 4 5 6 8 3 5 5 10 K m h 36 0 45 0 53 0 64 0 86...

Page 21: ...0 002 1 7 0 1 1 1 7 6 7 4 0 3 3 4 4 3 r a b m K 0 1 8 6 2 8 7 1 9 1 1 3 8 6 8 r a b m K 0 2 0 1 3 2 0 9 8 1 0 4 5 1 0 9 2 1 0 7 0 1 h m K 0 1 5 5 1 1 5 4 9 0 7 7 5 4 8 5 3 5 h m K 0 2 0 5 5 3 0 5 0 3...

Page 22: ...60 1330 450 620 750 550 722 786 1445 475 1000 1250 415 620 685 1660 590 1500 310 792 995 1790 665 1850 1800 310 845 1046 1950 775 2040 2200 310 845 1046 1950 775 2340 2700 330 743 946 1980 760 2670 1...

Page 23: ...1500 2909 164 2569 260 3053 1560 1680 170 120 1560 1850 2973 240 510 1800 3281 166 2759 430 3415 1720 1840 170 120 1720 2010 3355 430 510 2200 3581 166 3059 430 3715 1720 1840 170 120 1720 2010 3655...

Page 24: ...o the condition and condensation problems 4 Installation 4 1 Boilerhouse Ventilation Boilerhouse ventilation should conform with the relevant British Standards Codes of Practice etc 4 1 3 Air Supply b...

Page 25: ...where the provision of a conventional or tion of the boiler plant a fan dilution system may be used Dilution fan capacity m3 s 9 7 boiler rating kW 3600 0 8 at normal temperature and pressure N T P T...

Page 26: ...ype A B C D E F G H M 420 530 290 330 515 250 606 1624 163 30 420 620 750 350 400 550 310 684 1899 163 30 500 1000 1250 400 450 635 330 782 2182 163 30 550 1500 380 450 655 385 880 2415 191 30 550 180...

Page 27: ...lt Hoval Technical Department for further in formation if required Sealing of the burner draught tube A small annular space is necessary around the burner draught tube in the door refractory to allow...

Page 28: ...n The burner cable must be installed so that the plug and socket connection has to be disconnected in order to swing out the burner 4 7 Flue gas and output diagram 4 7 1 Flue gas and output diagram Ma...

Page 29: ...t 4 13 Heating connections In the case of boiler installation in the domestic domain xible compensators 4 14 Installing a flue gas thermometer optional item A 3 8 sleeve with a max length of 25 mm is...

Page 30: ...e booster is ope rating in rotation auto cycling may have been installed as an option i Do not test the fan chamber assembly by hydraulic pressure this practice will ine vitably damage the fan bearing...

Page 31: ...ing water ing and replacement water However as not all drinking VDI 2035 Should the mains water available not be suited for use then it must be desalinated and or be treated with inhibitors The stipul...

Page 32: ...cal installation with the appropriate wiring diagram for the boiler and burner and for correct fan rotation the burner has not been damaged in transit or during installation and that it is a suitable...

Page 33: ...g Obtain from the user a written statement that operating and maintenance instructions have been explained to him and he has received the relevant operating instruc tions see page 60 for a standard st...

Page 34: ...setpoint Emissions metering Immediate end PRESS SHORTLY Remaining time display REACTIONS for emissions metering Time unit automatically 20 min thereafter reverts Boiler temperature maximum temperature...

Page 35: ...lers under BMS control When a bank of boilers are sequenced to operate un der the dictates of a BMS control system it is very im portant that on line boilers are properly matched to the available heat...

Page 36: ...ion tank That the ball valve is free to operate correctly All air vents are operating correctly NOTE No continuous make up of water should be taking place In this event check whe re a leak may be occu...

Page 37: ...and tracers are left in operation at all times 3 Turn OFF all fuel shut off valves at the burner 4 Where rigid fuel pipes to burner are employed e g gas burners disconnect pipe s to allow the boiler d...

Page 38: ...any other type of oil or gas be used In the case of burner fuel conversion check to see that the fuel used corresponds with that marked on the new burner nameplate Starting and Stopping Emergency Sto...

Page 39: ...usty boilerhouse Oil Strainer Filter Replace filter element annually Nozzles Flame Plate and Electrodes Maintenance by the boiler operator is usually limited to checking the condition of these items o...

Page 40: ...i e burner motor runs but will not light and burner goes to lockout 1 No ignition spark 1 Switch off burner Check spark plug gap Check H T leads and connec tions Check and clean ignition electrode s a...

Page 41: ...et damper and make a com bustion check special instruments required 3 ted 3 Replace nozzle s 4 Incorrect nozzle s 4 Replace with correct nozzle s 5 Excessive oil pressure 5 Reset pump pressure regulat...

Page 42: ...function correctly 4 Reset and check Also check con trol thermostat setting and operati on B Burner starts i e burner motor runs but will not light and burner goes to lockout 1 No ignition spark 1 Se...

Page 43: ...valve and then main manual valve at the burner to see if this isolates the problem Call gas engineer to check the au tomatic valves Do not operate until this has been done H Combustion noise beco mes...

Page 44: ...ust on no account be unscrewed Open the boiler door and swing out burner Thoroughly clean combustion chamber 2 second compartment 3 and third compartment 4 using a brush or spray Take off the cleaning...

Page 45: ...ally checked for leaks Procedure With the boiler door closed screw lock nut 1 Fig 27 forward and tighten in this way this side becomes the fulcrum point Open lock nut 1 and turn back approx 1 cm ca 1...

Page 46: ...e target temperature HC 20 C 5 30 C Daytime target temperature MC1 20 C 5 30 C Daytime target temperature MC2 20 C 5 30 C Night time target temperature HC 16 C 5 30 C Night time target temperature MC1...

Page 47: ...2 Cycle 3 Cycle 1 Cycle 2 Cycle 3 from to from to from to from to from to from to from to from to from to Mo Tu We Th Fr Sa Su Mixer Circuit 1 Time program P1 Time program P2 Time program P3 Tag Cycl...

Page 48: ...1 HF 4 Limit temperature for summer disconnection 22 C HF 5 System frost protection 3 C HF 6 Demand contact module for VE1 1 HF 7 Demand contact module for VE2 1 HF 8 Demand contact module for VE3 1...

Page 49: ...ng OFF HF 19 DHW time out OFF 30 min HF 20 PI reference value control OFF HF 21 0 1 K OEM 22 PI scanning time Ta 20 s OEM 23 PI reset time Tn 600 s C OEM UNMIXED CIRC Par Designation Factory 10 20 30...

Page 50: ...rature limit 55 75 C HF 14 Temperature elevation abatement heating circuit 0 8 K HF 15 Pump follow on 5 min HF 16 Screed function OFF HF 18 P portion Xp 2 0 K OEM 19 Scanning time Ta 20 s OEM 20 I por...

Page 51: ...rature limit 55 75 C HF 14 Temperature elevation abatement heating circuit 0 8 K HF 15 Pump follow on 5 min HF 16 Screed function OFF HF 18 P portion Xp 2 0 K OEM 19 Scanning time Ta 20 s OEM 20 I por...

Page 52: ...OEM 19 Modulation P portion Xp 5 K OEM 20 Modulation scanning time Ta 20 s OEM 21 Modulation adjustment time Tn 180 s C OEM 22 Modulation running time 12 s HF 23 Modulation starting time 200 s HF 24 M...

Page 53: ...HF 6 Solar mode of operation 2 HF 7 Heat generator cycle lock only when parameter 06 1 3 4 0 5 h HF 8 Solar priority parallel changeover 10 K HF 9 Solar heat balance OFF HF SOLAR RESET Reset heat bal...

Page 54: ...ctory 10 20 30 40 50 Lev 1 Bus address central device 10 HF 2 Bus right RS direct circuit 1 HF 3 Bus right RS mixer circuit 1 1 HF 4 Bus right RS mixer circuit 2 1 HF BUFFER Par Designation Factory 10...

Page 55: ...essage MAINTENANCE ST 1 for X days 7 HF 12 OFF HF 13 OFF HF 14 Maintenance according to maintenance counter OFF HF 15 Reset maintenance display 1 HF Service 2 maintenance ST2 16 Suspend message MAINTE...

Page 56: ...on KVLF 19 0 System Collector sensor Short circuit KVLF 19 1 System Room sensor RS Interruption 20 0 System Room sensor RS Short circuit 20 1 System Burner 1 No switching off 1 min 30 2 With par log a...

Page 57: ...r 70 9 No Hoval regulator System HP return sensor Return min temp below setpoint 85 4 System HP return sensor Return max temp exceeded 85 5 System QF Heat source min temp below setpoint 86 4 System QF...

Page 58: ...oval Limited Northgate Newark Notts NG24 1JN Telephone 01636 593413 Fax 01636 673532 e mail spares hoval co uk or service hoval co uk Web Site www hoval co uk Hoval follows a policy of continued impro...

Page 59: ...59 4 214 283 00...

Page 60: ...ype Serial number Year of manufacture Place Date System installer System user Confirmation The user owner of the system herewith con rms that he has received adequate instruction in the operating and...

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