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MANUFACTURER:

1 route de Fleurville - BP 55

FR - 01190 PONT-DE-VAUX

PONT DE VAUX 

(FRANCE) SITE

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TI

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 PROD

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Instructions

for installation, 

use and main-

tenance

VARMAX TWIN

GAS CONDENSING BOILER

550 to 900 kW

with modulating burner for 

natural gas

Document No. 00BNO9132-# / 23.02.2015

EN

FR

DE ES

IT

NL

Summary of Contents for Varmax Twin

Page 1: ...ONT DE VAUX PONT DE VAUX FRANCE SITE C O L L E C TIVE PROD U C T Instructions for installation use and main tenance VARMAX TWIN GAS CONDENSING BOILER 550 to 900 kW with modulating burner for natural gas Document No 00BNO9132 23 02 2015 EN FR DE ES IT NL ...

Page 2: ......

Page 3: ...PÉCIFICATIONS TECHNIQUES 8 3 1 Dimensions 8 3 2 Passage de porte 9 3 3 Combustion à 15 C et 1013 mbar 9 3 4 Conditions d utilisation 10 3 5 Raccordement électrique 10 4 INSTALLATION 11 4 1 Mise en place des filtres à air et des nappes filtrantes 11 4 2 Mise en place de la chaudière 11 4 3 Mise en place des goulottes de passage câble bus LPB 13 4 4 Ouverture fermeture des portes d habillage 14 4 5 ...

Page 4: ...sibility settings maintenance spare parts etc is described in the particular generator s manual The following data must therefore be used For the VARMAX TWIN 550 see the information for the VARMAX 275 For the VARMAX TWIN 640 see the information for the VARMAX 320 For the VARMAX TWIN 780 see the information for the VARMAX 390 For the VARMAX TWIN 900 see the information for the VARMAX 450 1 2 Transp...

Page 5: ... Safety instructions Always remove the power supply to the boiler and shut off the overall gas supply to it before carrying out any work on it Check that there are no gas leaks on the installation after any intervention on the boiler maintenance or repair WARNING If you smell gas Do not use any naked flames smoke or activate any contacts or electric switches Switch off the gas supply Ventilate the...

Page 6: ...mpatibility 2004 108 CEE Efficiency 92 42 CEE Gas appliances 2009 142 CE 2 2 Regulatory installation conditions The appliance must be installed and maintained by a qualified professional in accordance with the regulations and current regulatory practices in the country where the boiler is installed 2 3 Environmental compatibility This appliance contains electrical and electronic elements which mus...

Page 7: ...lation Use and Maintenance 2 5 Gas supply pressures INFORMATION The pressures provided below must be taken at the input to the gas valve 20 mbar Natural gas H G20 20 mbar Nominal pressure mbar 20 Minimum pressure mbar 17 Maximum pressure mbar 25 ...

Page 8: ...MODELS 550 640 780 900 A mm 2059 2259 B mm 1877 2023 C mm 2032 2114 D mm 2519 2749 E mm 1500 1590 Ø F mm 250 300 The diameter indicated is the interior diameter IMPORTANT The dimension of 450 mm between the 2 generators must be respected to assemble the exhaust flue it is not a minimum or maximum dimension sleeve for safety valve on each generator F 1 1 4 45 min 60 max ...

Page 9: ... 44 Exhaust mass flow rate at Qn Qmin 50 30 C g s 225 9 and 26 239 5 and 26 6 327 and 41 378 and 42 Exhaust temperature at Qn Qmin 80 60 C C 61 and 54 7 60 8 and 55 1 60 3 and 54 5 62 1 and 55 6 Exhaust temperature at Qn Qmin 50 30 C C 35 4 and 30 7 37 1 and 31 36 and 29 3 36 and 30 4 Firebox pressure at nominal Qcal B23 Pa 132 162 152 203 Exhaust outlet interior diameter mm 250 250 300 300 Maximu...

Page 10: ... flow rate P 10 per generator m3 h 23 0 26 8 32 8 37 8 Total water content 2 generators L 478 478 574 574 Total weight without water 2 generators kg 1050 1050 1240 1240 Installation premises temperature min max C 5 and 45 Installation premises relative humidity between 5 and 95 Protection level IP20 Maximum installation altitude m 2000 3 5 Electrical connection MODELS 550 640 780 900 Electrical su...

Page 11: ...e VARMAX TWIN boilers must not be installed on an flammable surface wooden floor plastic floor covering etc Recommended distances relative to walls and ceiling Sufficient clearances must be provided to permit easy maintenance operations on the boilers The minimum values in mm are indicated in figure 2 and in the table below A B C H MODELS 550 450 600 263 640 450 600 263 780 450 700 427 900 450 700...

Page 12: ...e the base as the reference surface The space between the 2 VARMAX generators must be 450 10 mm A 2 cm free space must also be left above the side panels to allow for their disassembly and reassembly The 2 generators must be in the same alignment and on the same horizontal level figure 3 Generator positioning 450 10 OK OK OK To adjust the flush level screw or unscrew the 4 adjustable feet using a ...

Page 13: ...generator to be moved Position the generator Remove the Teflon plates figure 5 cable trays Teflon plates x4 4 8 Installing the LPB bus cable trays Position the 2 trays for the LPB bus cable on the rear of the 2 generators and secure them using the 4 self tapping screws provided figure 4 Teflon plate positioning 4 self tapping screws provided The roof of each generator must be drilled Ø 4 bit to do...

Page 14: ...tion use and maintenance manual 4 11 Installing removing the casing doors Refer to the VARMAX generator s installation use and maintenance manual 4 12 Installing removing the side panels Refer to the VARMAX generator s installation use and maintenance manual 4 13 Installing removing the upper panels Refer to the VARMAX generator s installation use and maintenance manual 4 14 Step Refer to the VARM...

Page 15: ... per generator guarantees the protection of the combustion product evacuation ducts The VARMAX TWIN boilers are approved to be connected to a B23 chimney all models a B23P chimney all models 4 15 1 Installing the exhaust flue The flue provided may be installed either to the right or the left of the VARMAX TWIN boiler INFORMATION The duct lengths provided below are in linear metres ml The total len...

Page 16: ...D Side drain buffer 1 9 SIPHON 1 SIPHON 1 Siphon 1 10 JOINT CD 250 JOINT CD 300 Seal 19 11 Tube of grease for seals 1 IMPORTANT The 2 collars delivered with the smoke works kit may be used to support the assembly either on the ceiling or on the ground their position is greyed out on each T at 135 figure 7 figure 7 Flue assembly 1 2 2 3 4 5 6 7 2 8 9 1 Indicative values 550 640 kW models 1250 mm 78...

Page 17: ... that can form when the boiler is operating These materials must also be able to withstand exhaust temperatures up to 120 C Horizontal pipes must be avoided to limit condensation build up Check that the combustion gas is evacuated via a sealed connection VARMAX TWIN boilers are high performance boilers with very low exhaust temperatures consequently to retain a favourable draft the ducts must run ...

Page 18: ... roof via a pressurised duct WARNING For B23P type connection it is VITAL to use ducts with CONDENSOR Poujoulat type CSTB notice pressurised ducts WARNING The combustion product extraction duct must be dimensioned by using the parameters set out in the table in chapter 3 3 Depending on the actual configuration of the duct a calculation is required to check that the pressures at the boiler outlet d...

Page 19: ...wn below Pinst 46 In the main exchanger as in the condenser on each generator you must ensure that the rates recommended in paragraph 3 4 are not exceeded i e Output power in nominal Th h generator 10 Therefore a differential pressure valve must be integrated into the circuit according to the diagam Sizing the pipes connecting the boiler to the installation must be done carefully to minimise the p...

Page 20: ...ator s heat output see location figure 1 page 8 disconnector on the boiler s filling circuit in relation to the supply network The end of run contact only allows the generator to start up when full opening is reached The VARMAX TWIN are delivered either in 2 3 tapping connection version or in 4 tapping connection version A 2 3 tapping version cannot be converted into a 4 tapping version and vice v...

Page 21: ...ure 10 Hydraulic connection using 3 tappings 4 16 2 Hydraulic connection using 3 tappings figure 11 Hydraulic connection using 4 tappings Main exchanger output Hot return high tem perature circuit Cold return heated floors and low tempera ture radiators Main exchanger output Condenser return Condenser output Main exchanger return LPB bus cable supplied QAZ36 supplied OCI345 supplied OCI345 supplie...

Page 22: ...must be respected Provide a two pole circuit breaker upstream of EACH VARMAX GENERATOR distance between contacts 3 5 mm minimum Fitting the electrical installation with a 30 mA differential protective device is strongly advised Please refer to the installation and usage manual for the NAVISTEM B3000 boiler controller for information about the electrical connections to the control panel electricity...

Page 23: ...r s X11 connector see previous figure IMPORTANT Proceed carefully during connection 4 18 1 2 Electrical connection Connect the VARMAX generators via the LPB bus the LPB bus connects to the OCI345 communication module s DB and MB terminal blocks figure 13 LPB bus connection VARMAX 2 generator OCI345 LPB bus VARMAX 1 generator OCI345 WARNING The LPB bus cable must be run from generator 1 s control p...

Page 24: ...NING The sensor cable must be run to generator 1 s control panel via the low current tray Hold the cable using the cable clamps 5 START UP COMMISSIONING Refer to the VARMAX generator s installation use and maintenance manual 6 CHECKS AFTER COMMISSIONING Refer to the VARMAX generator s installation use and maintenance manual 7 MAINTENANCE OPERATIONS Refer to the VARMAX generator s installation use ...

Page 25: ...chan nel valve and 1 circuit with constant temperature and throughput 3 or 4 networks regulated by 3 channel valve with semi instantaneous DHW VX212 Management of secondary systems by ATLANTIC direct circuit regulated network consumer circuit constant T and throughput 1 network regulated by V3V with accumulated DHW Management of secon dary systems by external regulation VARMAX TWIN 1 regulated net...

Page 26: ...rk no communication with the secondary Diagram VX200 VX201 page 1 6 A MAIN AND VARIANT HYDRAULIC DIAGRAMS x B3000 B3000 figure 15 VX200 diagram B9 Q2 Q1 2 Q1 1 B10 x B3000 B3000 REGULATEUR NON COMMUNICANT figure 16 VX201 diagram variant B9 B10 Q1 1 Q1 2 NON COMMUNICATING REGULATOR ...

Page 27: ...n valve is not equipped with an automatic reset valve connect the Q1 1 isolating valve s closure contact to Y2 L N Y1 N Y2 L N L N L N QX2 QX3 QX1 AUX2 AUX1 BX2 Gnd BX3 Gnd B3 Gnd B9 Gnd H1 Gnd H5 Gnd 230 VAC 50 Hz power supply External sensor B9 Alarm relay VX200 diagram Direct circuit circulator Q2 DB MB LPB bus Isolating valve Q1 1 TWIN B10 output sensor Generator No 2 INFORMATION If the isolat...

Page 28: ...On generator No 1 Line No Value Set the date and time Time and date menu Set the time Hour minute 1 HH MM Set the date Day month 2 DD MM Set the year Year 3 YYYY Configure the isolating valve and its end of run Configuration menu Valve command Relay output QX3 5892 K37 exhaust flap End of run Input H5 5977 Exhaust flap info return Configuration menu Start up heating circuit 1 Heating circuit 1 571...

Page 29: ...Adjust the curve slope Heating curve slope 720 Switch the heating regime to permanent comfort On generator No 2 Configure the isolating valve and its end of run Configuration menu Valve command Relay output QX3 5892 K37 exhaust flap End of run Input H5 5977 Exhaust flap info return Configure as generator No 2 LPB network menu Appliance number Appliance address 6600 2 Segment number Segment address...

Page 30: ...No 6213 0 DHW information 6215 0 Information about heating circuits 3 2 and 1 6217 1 On generator No 2 Inputs outputs test menu Check the outputs Alarm relay Relay test 7700 Relay output QX1 Isolating valve Q1 2 Relay test 7700 Relay output QX3 Reset the outputs Relay test 7700 No test Configuration menu Check the hydraulic diagram Generator 1 inspection No 6212 14 Generator 2 inspection No 6213 0...

Page 31: ...n may be optimised as necessary using the parameters in the Flow menu Refer to the NAVISTEM B3000 boiler s controller manual for more details Diagrams VX200 VX201 page 6 6 Maintenance optimisation A maintenance message may be generated that does not set the generator to fault This maintenance message may be displayed after the following 3 counters have expired Time since last maintenance or commis...

Page 32: ...AULIC DIAGRAM x B3000 B3000 SIGNAL 0 10 V VERS LMS ou bus LPB sur OCI 345 REGULATEUR COMMUNICANT B REGULATION ACCESSORIES REQUIRED Quantity Appliance reference Order No Communication kit 2 OCI 345 supplied Communication cable 1 LPB BUS supplied Output sensor kit 1 QAZ 36 supplied figure 17 VX211 diagram B10 Q1 1 Q1 2 COMMUNICATING REGULATOR 0 10 V SIGNAL TO NAVISTEM B3000 or LPB BUS TO OCI345 ...

Page 33: ...rm relay 0 to 10V temperature analogue input DB MB Isolating valve Q1 1 TWIN B10 output sensor INFORMATION If the isolation valve is not equipped with an automatic reset valve connect the Q1 1 isolating valve s closure contact to Y2 LPB bus Generator No 2 INFORMATION If the isolation valve is not equipped with an automatic reset valve connect the Q1 2 isolating valve s closure contact to Y2 Diagra...

Page 34: ...Time and date menu Set the time Hour minute 1 HH MM Set the date Day month 2 DD MM Set the year Year 3 YYYY Configure the isolating valve and its end of run Configuration menu Valve command Relay output QX3 5892 K37 exhaust flap End of run Input H5 5977 Exhaust flap info return Configuration menu Configure the TWIN B10 output sensor BX2 sensor input 5931 Common flow sensor B10 Alarm relay Isolatin...

Page 35: ...liance address 6600 1 Segment address 6601 0 Bus supply function 6604 Automatic Clock operation 6640 Master On generator No 2 Configure the isolating valve and its end of run Configuration menu Valve command Relay output QX3 5892 K37 exhaust flap End of run Input H5 5977 Exhaust flap info return LPB network menu Configure as generator No 2 Appliance address 6600 2 Segment address 6601 0 Bus supply...

Page 36: ...olating valve Q1 1 Relay test 7700 Relay output QX3 Reset the outputs Relay test 7700 No test Check the sensor values External sensor B9 External T B9 7730 in C B1 flow sensor BX2 sensor T 7821 in C Configuration menu Check the hydraulic diagram Generator 1 inspection No 6212 14 Generator 2 inspection No 6213 0 DHW information 6215 0 Information about heating circuits 3 2 and 1 6217 0 Diagram VX21...

Page 37: ...ay be optimised as necessary using the parameters in the Flow menu Refer to the NAVISTEM B3000 boiler s controller manual for more details Diagram VX211 page 6 6 Maintenance optimisation A maintenance message may be generated that does not set the generator to fault This maintenance message may be displayed after the following 3 counters have expired Time since last maintenance or commissioning se...

Page 38: ...t with constant temperature and flow rate Diagram VX210 VX220 page 1 8 A HYDRAULIC DIAGRAM x x B3000 B3000 x x B3000 B3000 CIRCUIT DIRECT AVEC TEMPERATURE ET DEBIT CONSTANT figure 18 VX210 diagram B9 B1 B10 Q2 Y1 Y2 B3 Q3 Q1 1 Q1 2 figure 19 VX220 diagram B9 B10 B1 Q2 Y1 Y2 Q15 Q1 1 Q1 2 DIRECT CIRCUIT WITH CONSTANT TEMPERATURE AND THROUGHPUT ...

Page 39: ...AZ 36 059261 Output sensor kit 1 QAC 34 059260 C CUSTOMER S ELECTRICAL CONNECTION Generator No 1 L N Y1 N Y2 L N L N L N QX2 QX3 QX1 AUX2 AUX1 BX2 Gnd BX3 Gnd B3 Gnd B9 Gnd H1 Gnd H5 Gnd 230 VAC 50 Hz power supply External sensor B9 VX210 diagram DHW sensor B3 DB MB TWIN B10 output sensor Alarm relay VX210 diagram DHW pump Q3 VX220 diagram Direct circulator Q15 Isolating valve Q1 1 LPB bus VX220 d...

Page 40: ... contact to Y2 Diagrams VX210 VX220 page 3 8 L N Y1 N Y2 L N L N L N QX2 QX3 QX1 AUX2 AUX1 230 VAC 50 Hz power supply DB MB Isolating valve Q1 2 LPB bus Alarm relay AVS75 QX21 No QX22 No QX23 BX21 Gnd BX22 Gnd H2 Gnd Module 1 Regulated circuit output sensor B1 Heating circuit No 1 mixer valve Y1 Y2 Heating circuit No 1 circulator Q2 BX2 Gnd BX3 Gnd B3 Gnd B9 Gnd H1 Gnd H5 Gnd Isolating valve end o...

Page 41: ...92 K37 exhaust flap End of run Input H5 5977 Exhaust flap info return Configuration menu Configure the DHW pump VX210 diagram Relay output QX2 5891 DHW pump valve Q3 Configure the Q15 pump VX220 diagram Relay output QX2 5891 Consumption circuit pump 1 Q15 Configure the TWIN B10 output sensor BX2 sensor input 5931 Common flow sensor B10 Configure the H1 input VX220 diagram H1 input function 5977 Co...

Page 42: ...ested Cons request output T 1859 On generator No 2 Configure the isolating valve and its end of run Configuration menu Valve command Relay output QX3 5892 K37 exhaust flap End of run Input H5 5977 Exhaust flap info return Configure as generator No 2 LPB network menu Appliance number Appliance address 6600 2 Segment number Segment address 6601 0 Adjust the bus supply Bus supply function 6604 Automa...

Page 43: ...ule 1 Reset the outputs Relay test 7700 No test Check the sensor values External sensor B9 External T B9 7730 in C DHW sensor B3 DHW temperature B3 B38 7750 in C B1 flow sensor Temperature sensor BX21 module 1 7830 in C Configuration menu Check the hydraulic diagram Generator 1 inspection No 6212 14 Generator 2 inspection No 6213 0 DHW information 6215 4 VX210 diagram 0 VX220 diagram Information a...

Page 44: ... circuit 1 timer programme menu Preselection Preselection 500 Adjust the timer programming On off phases 501 506 Heating circuit 1 holiday menu Preselection Preselection 641 Adjust the timer programming On off phases 642 643 Switch the heating regime to automatic Auto DHW optimisation Domestic hot water menu Adjust the comfort setting Reduced setting 1612 Diagrams VX210 VX220 page 7 8 On generator...

Page 45: ...tion A maintenance message may be generated that does not set the generator to fault This maintenance message may be displayed after the following 3 counters have expired Time since last maintenance or commissioning set parameter 7044 to 12 months Maintenance Special regime menu Burner s operating hours parameter 7040 menu Maintenance Special regime menu Number of starts parameter 7042 menu Mainte...

Page 46: ...m VX202 VX212 page 1 9 A MAIN AND VARIANT HYDRAULIC DIAGRAMS x x x x x B3000 B3000 figure 20 VX202 diagram x x x x x B3000 B3000 Entrée eau froide bouclage ECS ECS figure 21 VX212 diagram variant B9 B10 Q1 1 Q1 2 B1 Q2 Y1 Y2 B12 B14 B1 2 Q6 Q20 Q2 2 Y5 Y6 Y11 Y12 Y1 2 Y2 2 B9 B10 Q1 1 Q1 2 B1 Q2 Y1 Y2 B12 B14 B1 2 Q6 Q20 Q2 2 Y5 Y6 Y11 Y12 Y1 2 Y2 2 B3 ...

Page 47: ...QAC 34 059260 DHW sensor kit VX212 diagram 1 QAZ 36 059261 C CUSTOMER S ELECTRICAL CONNECTION Generator No 1 INFORMATION If the isolation valve is not equipped with an automatic reset valve connect the Q1 1 isolating valve s closure contact to Y2 L N Y1 N Y2 L N L N L N QX2 QX3 QX1 AUX2 AUX1 BX2 Gnd BX3 Gnd B3 Gnd B9 Gnd H1 Gnd H5 Gnd 230 VAC 50 Hz power supply External sensor B9 VX212 diagram DHW...

Page 48: ...B1 Regulated circuit output sensor B12 Regulated circuit output sensor B14 Heating circuit No 1 mixer valve Y1 Y2 Heating circuit No 2 mixer valve Y5 Y6 Heating circuit No 3 mixer valve Y11 Y12 Heating circuit No 1 circulator Q2 Heating circuit No 2 circulator Q6 Heating circuit No 3 circulator Q20 Diagrams VX202 VX212 page 3 9 Generator No 2 INFORMATION If the isolation valve is not equipped with...

Page 49: ...cuit in dotted lines on the hydraulic diagrams D SPECIFIC START UP PROCEDURE Make the accessories electrical connections Start up the generator on its own Carry out the adjustments below IMPORTANT Configure the switches on the AVS75 extension modules L N Y1 N Y2 L N L N L N QX2 QX3 QX1 AUX2 AUX1 230 VAC 50 Hz power supply DB MB Alarm relay Isolating valve Q1 2 LPB bus Diagrams VX202 VX212 page 4 9...

Page 50: ...ion circuit 1 request Position a shunt on H1 OR reverse the contact direction Contact type 5951 Normally closed contact NC For the DHW to be effective an activator must be defined even if it is not connected Relay output QX2 5891 DHW pump valve Q3 Configure pump Q1 Relay output QX3 5892 Boiler pump Q1 Configure TWIN B10 output sensor BX2 sensor input 5931 Common flow sensor B10 Configure the exten...

Page 51: ...7 exhaust flap End of run Input H5 5977 Exhaust flap info return Configuration menu If 4th heating circuit present Start up heating circuit 1 Heating circuit 1 5710 Start Configure the extension module Extension module 1 function 1 6020 Heating circuit 1 Configure as generator No 2 LPB network menu Appliance number Appliance address 6600 2 Segment number Segment address 6601 0 Adjust the bus suppl...

Page 52: ...st Check the sensor values External sensor B9 External T B9 7730 in C DHW sensor B3 VX212 diagram DHW temperature B3 B38 7750 in C TWIN B10 output sensor BX2 sensor T 7821 in C B1 flow sensor Temperature sensor BX21 module 1 7830 in C Diagrams VX202 VX212 page 7 9 Line No Value If 4th heating circuit present Adjust the heating circuit Heating circuit 1 menu Adjust the comfort setting Comfort setti...

Page 53: ...about heating circuits 3 2 and 1 6217 3 if 4th heating circuit present F CONFIGURATION OPTIMISATION On generators 1 and 2 Heating circuit optimisation Heating circuit 1 2 3 menu Adjust the reduced setting Reduced setting temperature 712 1012 1312 Diagrams VX202 VX212 page 8 9 Line No Value B12 flow sensor Temperature sensor BX21 module 2 7832 in C B14 flow sensor Temperature sensor BX21 module 3 7...

Page 54: ... have expired Time since last maintenance or commissioning set parameter 7044 to 12 months Maintenance Special regime menu Burner s operating hours parameter 7040 menu Maintenance Special regime menu Number of starts parameter 7042 menu Maintenance Special regime menu These last 2 parameters are dependent on the boiler s hydraulic installation We recommend using at least parameter 7044 for annual ...

Page 55: ... T with seal and grease 76487 76488 006 Measuring element with seal and grease 76489 76490 007 550 900 mm long adjustable element with seal and grease 76491 76492 008 Side drain buffer with seal and grease 76493 76494 009 Siphon 76477 010 Set of 5 seals with grease 76495 76496 011 30 ml tube of silicon grease 76478 012 Suspension collar for flue support 76497 76498 OCI 345 communication module 761...

Page 56: ...STRONNO VA Tel 0332 895240 r a Fax 0332 893063 www ygnis it YGNIS AG Wolhuserstrasse 31 33 6017 RUSWIL CH Tel 41 0 41 496 91 20 Fax 41 0 41 496 91 21 Hotline 0848 865 865 www ygnis ch ATLANTIC IBERICA SAU Servicio de Asistencia Técnica Ygnis Calle Molinot 59 61 Pol Ind Camí Ral 08860 CASTELLDEFELS BARCELONA Tel 902 45 45 22 Fax 905 45 45 20 callcenter groupe atlantic com www ygnis es HAMWORTHY HEA...

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