Atlantic Varmax Twin Instructions For Installation, Use And Maintenance Manual

Gas condensing boiler with modulating burner for natural gas

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Document No. 00BNO9132-# / 23.02.2015

VARMAX TWIN

DE ES IT NL

GAS CONDENSING BOILER

550 to 900 kW

with modulating burner for

natural gas

Instructions

for installation,

use and main-

tenance

MANUFACTURER:

PONT DE VAUX

(FRANCE) SITE

1 route de Fleurville - BP 55

FR - 01190 PONT-DE-VAUX

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Summary of Contents for Atlantic Varmax Twin

Page 1 Document No. 00BNO9132-# / 23.02.2015 VARMAX TWIN DE ES IT NL GAS CONDENSING BOILER 550 to 900 kW with modulating burner for natural gas Instructions for installation, use and main- tenance MANUFACTURER: PONT DE VAUX (FRANCE) SITE 1 route de Fleurville - BP 55...
Page 3 VARMAX TWIN - Installation, Use and Maintenance SOMMAIRE 1. AVERTISSEMENTS ET RECOMMANDATIONS ..............4 1.1. Limite de fourniture de la VARMAX TWIN ..................... 4 1.2. Transport et stockage ............................ 4 1.3. Symboles utilisés dans ce document ......................4 1.4. Qualiﬁ cation du personnel pour l'installation, le réglage, l'utilisation et l'entretien ........5 1.5.
Page 4: Warnings And Recommendations
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.
Page 5: Safety Instructions
VARMAX TWIN - Installation, Use and Maintenance Failure to comply with these instructions may WARNING: cause injury and serious material damage. Failure to comply with these instructions may WARNING: cause electrocution. 1.4. Qualiﬁ cation of personnel for installation, adjustment, use and mainte-...
Page 6: Environmental Compatibility
VARMAX TWIN - Installation, Use and Maintenance 2. APPROVALS 2.1. Compliance with European Directives - Low voltage (2006/95/CE) This appliance is not intended for use by persons (including children) whose physical, sensory or mental abilities are reduced, or persons without experience or knowledge, unless they have been able to beneﬁ...
Page 7: Gas Supply Pressures
VARMAX TWIN - Installation, Use and Maintenance 2.5. Gas supply pressures The pressures provided below must be taken at the input to the gas INFORMATION: valve (20 mbar). Natural gas H G20 20 mbar Nominal pressure (mbar) Minimum pressure (mbar)
Page 8: Technical Specifications
VARMAX TWIN - Installation, Use and Maintenance 3. TECHNICAL SPECIFICATIONS 3.1. Dimensions ± sleeve for safety valve on each generator (F 1"1/4) MODELS (mm) 2059 2259 (mm) 1877 2023 (mm) 2032 2114 (mm) 2519 2749 (mm) 1500 1590 Ø F (mm) The diameter indicated is the interior diameter.
Page 9: Combustion At 15°C And 1013 Mbar
VARMAX TWIN - Installation, Use and Maintenance 3.2. Doorway Refer to the VARMAX generator's installation, use and maintenance manual. 3.3. Combustion at 15°C and 1013 mbar MODELS Nominal power Pn (80/60°C) Nominal power when condensing Pn (50/30°C) Rated heat input Qn Min heat input Qmin Gas ﬂ...
Page 10: Operating Conditions
Hydraulic pressure loss at ∆T 20 per generator 2 or 3 tapping version 1185 4 tapping version daPa Main exchanger 1060 Condenser Nominal water ﬂ ow rate (P/20) VARMAX TWIN 26.8 32.8 37.8 Nominal water ﬂ ow rate (P/20) per generator 11.5 13.4 16.4 18.9...
Page 11: Installation
"4-1 Positioning the air ﬁ lter and the layer"). 4.7. Installing the boiler The VARMAX TWIN boilers must not be installed on an ﬂ ammable surface (wooden ﬂ oor, plastic ﬂ oor covering, etc.). Recommended distances relative to walls and ceiling: Sufﬁ...
Page 12 VARMAX TWIN - Installation, Use and Maintenance • The 2 VARMAX generators must be positioned horizontally using a spirit level to enable effective gas release for the exchanger body (use the base as the reference surface). • The space between the 2 VARMAX generators must be 450 ±10...
Page 13 VARMAX TWIN - Installation, Use and Maintenance 4 Teﬂ on plates are provided to facilitate the introduction of the 2 generators in relation to each other: • Put one plate under each of the 4 feet of the generator to be moved, Teﬂ...
Page 14 VARMAX TWIN - Installation, Use and Maintenance 4.9. Opening / closing the casing doors Refer to the VARMAX generator's installation, use and maintenance manual. 4.10. Removing the control panels (MMI) Refer to the VARMAX generator's installation, use and maintenance manual.
Page 15: Exhaust Connection
VARMAX TWIN - Installation, Use and Maintenance 4.15. Exhaust connection There is a speciﬁ c connection for the exhausts to the VARMAX TWIN IMPORTANT: boilers. Do not refer to the VARMAX generator's installation, use and maintenance manual. The size of the chimney pipes must be determined taking account of combustion gas pressure on boiler output equal to 0 Pa (see table §...
Page 16 VARMAX TWIN - Installation, Use and Maintenance MODELS ITEM DESCRIPTIONS 550 - 640 kW 780 - 900 kW AC-250-180 AC-300-200 Offset increase ED 250-250 CD ED 250-300 CD Straight element length 250 EC 90-250 CD EC 90-300 CD 90° curved element...
Page 17 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 upwards from the boiler outlet.
Page 18 6 to 50 The values below are provided for information purposes. They must WARNING: be checked by calculation. The VARMAX TWIN ﬂ ue must not be made to support the exhaust WARNING: duct's weight. 4.15.3. Connection to a B23P chimney...
Page 19: Hydraulic Connection
1 to 100 The values below are provided for information purposes. They must WARNING: be checked by calculation. The VARMAX TWIN ﬂ ue must not be made to support the exhaust WARNING: duct's weight. 4.16. Hydraulic connection A water circulation pump integrated into each generator and a smart regulation logic enable optimum operation up to Pinst/30 (Pinst = Instant output power expressed as Th/h - 1Th/h = 1.163 kW).
Page 20 (*) 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 versa.
Page 21 VARMAX TWIN - Installation, Use and Maintenance 4.16.2. Hydraulic connection using 3 tappings QAZ36 QAZ36 (supplied) (fournie) Main exchanger output câble «bus LPB» Hot return (high tem- LPB bus cable (fourni) (supplied) perature circuit) Cold return (heated ﬂ oors and low tempera-...
Page 22: Gas Connection
4.17. Gas connection • The gas must be connected on the 2 VARMAX generators IMPORTANT: • The use of Propane is prohibited on the VARMAX TWIN boilers. Refer to the VARMAX generator's installation, use and maintenance manual. 4.18. Electrical connection...
Page 23 VARMAX TWIN - Installation, Use and Maintenance On each VARMAX generator: - Access the control panel and remove its protective cover. - Secure the module to the boiler controller with the 2 screws supplied. OCI345 Holding screw ﬁ gure 12 - OCI345 attachment - Connect the communication layer from the OCI345 module to the boiler controller's X11 connector (see previous ﬁ...
Page 24: Start-Up (Commissioning)
VARMAX TWIN - Installation, Use and Maintenance 4.18.2. Connecting the QAZ36 ﬂ ow sensor 4.18.2.1. Installing the sensor The sensor must be placed in a pocket as close as possible to the 2 generators' common hydraulic output. 4.18.2.2. Electrical connection - Connect the QAZ36 ﬂ...
Page 25 VARMAX TWIN - Installation, Use and Maintenance 8. HYDRAULIC DIAGRAMS AND CONFIGURATIONS No communication with the communicating secondary system VX201 Communicating via Secondary networks regula- signal 0...10V Management of secon- (temperature) ted by communicating dary systems by external regulation external regulation...
Page 26 VARMAX TWIN - Installation, Use and Maintenance Diagram VX200 1 direct network, no communication with the secondary VX201 page 1 / 6 A. MAIN AND VARIANT HYDRAULIC DIAGRAMS B3000 B3000 Q1.1 Q1.2 ﬁ gure 15 - VX200 diagram NON-COMMUNICATING REGULATEUR NON COMMUNICANT...
Page 27 VARMAX TWIN - Installation, Use and Maintenance Diagrams: VX200 / VX201 page 2 / 6 B. REGULATION ACCESSORIES REQUIRED Appliance Quantity Order No. reference Communication kit OCI 345 supplied Communication cable LPB BUS supplied Output sensor kit QAZ 36 supplied...
Page 28 VARMAX TWIN - Installation, Use and Maintenance Diagrams: VX200 / VX201 page 3 / 6 Isolating Alarm valve Q1.2 relay N Y1 Y2 L 230 VAC 50 Hz power supply AUX2 AUX1 LPB bus DB MB Isolating valve end of run D.
Page 29 VARMAX TWIN - Installation, Use and Maintenance Diagrams: VX200 / VX201 page 4 / 6 Line No. Value VX200 diagram only: Relay output QX2 (5891) Pump CC1 Q2 Conﬁ gure pump Q2 All diagrams: BX2 sensor input (5931) Common ﬂ ow sensor Conﬁ...
Page 30 VARMAX TWIN - Installation, Use and Maintenance Diagrams: VX200 / VX201 page 5 / 6 E. ELECTRICAL AND HYDRAULIC VALIDATION On generator No. 1 Line No. Value • Flow diagnostic menu Gener 1 status (8100) Released / not Validate the presence of all the generators...
Page 31 Auto • Switch the heating regime to automatic VARMAX TWIN optimisation: The Varmax Twin may be optimised as necessary using the parameters in the Flow menu. Refer to the NAVISTEM B3000 boiler's controller manual for more details. 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: •...
Page 32 VARMAX TWIN - Installation, Use and Maintenance Diagram Secondary networks regulated by external regulator VX211 communicating over LPB bus or 0...10V temperature page 1 / 6 A. HYDRAULIC DIAGRAM COMMUNICATING REGULATOR REGULATEUR COMMUNICANT 0/10 V SIGNAL TO NAVISTEM B3000 SIGNAL 0/10 V VERS LMS...
Page 33 VARMAX TWIN - Installation, Use and Maintenance Diagram: VX211 page 2 / 6 C. CUSTOMER'S ELECTRICAL CONNECTION Generator No. 1: If the isolation valve is not equipped with an automatic reset valve, connect INFORMATION: the Q1.1 isolating valve's closure contact to Y2.
Page 34 VARMAX TWIN - Installation, Use and Maintenance Diagram: VX211 page 3 / 6 Isolating valve Q1.2 Alarm relay N Y1 Y2 L 230 VAC 50 Hz power supply AUX2 AUX1 LPB bus DB MB Isolating valve end of run D. SPECIFIC START-UP PROCEDURE ...
Page 35 VARMAX TWIN - Installation, Use and Maintenance Diagram: VX211 page 4 / 6 Line No. Value For a request via 0...10V input H1 input function (5950) 10V consumption Conﬁ gure the H1 input circ. request H1 voltage 1 value (5953)
Page 36 VARMAX TWIN - Installation, Use and Maintenance Diagram: VX211 page 5 / 6 E. ELECTRICAL AND HYDRAULIC VALIDATION On generator No. 1 Line No. Value • Flow diagnostic menu Gener 1 status (8100) Released / not Validate the presence of all the generators...
Page 37 Information about heating circuits 3, 2 and 1 (6217) F. CONFIGURATION OPTIMISATION VARMAX TWIN optimisation: The Varmax Twin may be optimised as necessary using the parameters in the Flow menu. Refer to the NAVISTEM B3000 boiler's controller manual for more details. Maintenance optimisation A maintenance message may be generated that does not set the generator to fault.
Page 38 VARMAX TWIN - Installation, Use and Maintenance Diagram 1 network regulated by three-channel valve, DHW VX210 production, or 1 direct circuit with constant temperature and VX220 ﬂ ow rate page 1 / 8 A. HYDRAULIC DIAGRAM Y1/Y2 Q1.1 Q1.2 B3000 B3000 ﬁ...
Page 39 VARMAX TWIN - Installation, Use and Maintenance Diagrams: VX210 / VX220 page 2 / 8 B. REGULATION ACCESSORIES REQUIRED Appliance Quantity Order No. reference Extension module kit (delivered with a AVS 75 059751 network sensor QAD 36) Communication kit OCI 345...
Page 40 VARMAX TWIN - Installation, Use and Maintenance Diagrams: VX210 / VX220 page 3 / 8 Module 1 QX21 Heating circuit No. 1 mixer valve Y1/Y2 Regulated circuit output sensor BX21 QX22 AVS75 BX22 Heating circuit No. 1 circulator Q2 QX23 Generator No.
Page 41 VARMAX TWIN - Installation, Use and Maintenance Diagrams: VX210 / VX220 page 4 / 8 D. SPECIFIC START-UP PROCEDURE   Make the accessories' electrical connections. IMPORTANT: Conﬁ gure the switches on the AVS75 extension module.   Start up the generator on its own.
Page 42 VARMAX TWIN - Installation, Use and Maintenance Diagrams: VX210 / VX220 page 5 / 8 Line No. Value • Heating circuit 1 menu Comfort setting temperature (710) - - - Adjust the comfort setting Heating curve slope (720) - - - Adjust the curve slope •...
Page 43 VARMAX TWIN - Installation, Use and Maintenance Diagrams: VX210 / VX220 page 6 / 8 the clock is updated correctly. E. ELECTRICAL AND HYDRAULIC VALIDATION On generator No. 1 Line No. Value • Flow diagnostic menu Gener 1 status (8100)
Page 44 VARMAX TWIN - Installation, Use and Maintenance Diagrams: VX210 / VX220 page 7 / 8 On generator No. 2 Line No. Value • Inputs/outputs test menu Check the outputs Relay test (7700) Relay output QX1 Alarm relay Relay test (7700) Relay output QX3 Isolating valve Q1.2...
Page 45 Anti-Legionnaires' Disease function duration (1646) - - - VARMAX TWIN optimisation: The Varmax Twin may be optimised as necessary using the parameters in the Flow menu. Refer to the NAVISTEM B3000 boiler's controller manual for more details. 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: •...
Page 46 VARMAX TWIN - Installation, Use and Maintenance Diagram 3 or 4 networks regulated by three-channel valve, with or VX202 without DHW production VX212 page 1 / 9 A. MAIN AND VARIANT HYDRAULIC DIAGRAMS B1.2 Q2.2 Y1/Y2 Y11/ Y1.2/ Y2.2 B3000 B3000 Q1.2...
Page 47 VARMAX TWIN - Installation, Use and Maintenance Diagrams: VX202 / VX212 page 2 / 9 B. REGULATION ACCESSORIES REQUIRED Appliance Quantity Order No. reference Extension module kit (delivered with a 3 (4) AVS 75 059751 network sensor QAD 36) Communication kit...
Page 48 VARMAX TWIN - Installation, Use and Maintenance Diagrams: VX202 / VX212 page 3 / 9 Module 1 QX21 Heating circuit No. 1 mixer valve Y1/Y2 Regulated circuit output sensor BX21 QX22 AVS75 BX22 Heating circuit No. 1 circulator Q2 QX23...
Page 49 VARMAX TWIN - Installation, Use and Maintenance Diagrams: VX202 / VX212 page 4 / 9 Isolating Alarm valve Q1.2 relay N Y1 Y2 L 230 VAC 50 Hz power supply AUX2 AUX1 LPB bus DB MB Isolating valve end of run...
Page 50 VARMAX TWIN - Installation, Use and Maintenance Diagrams: VX202 / VX212 page 5 / 9 On generator No. 1 Line No. Value • Time and date menu Hour / minute (1) HH.MM Set the time Day / month (2) DD.MM...
Page 51 VARMAX TWIN - Installation, Use and Maintenance Diagrams: VX202 / VX212 page 6 / 9 Line No. Value • Heating circuit 1 / 2 / 3 menu Comfort setting temperature (710/1010/1310) - - - Adjust the comfort setting Heating curve slope (720/1020/1320)
Page 52 VARMAX TWIN - Installation, Use and Maintenance Diagrams: VX202 / VX212 page 7 / 9 Line No. Value If 4th heating circuit present: • Adjust the heating circuit Heating circuit 1 menu Comfort setting temperature (710) - - - Adjust the comfort setting...
Page 53 VARMAX TWIN - Installation, Use and Maintenance Diagrams: VX202 / VX212 page 8 / 9 Line No. Value Temperature sensor BX21 module 2 (7832) in °C B12 ﬂ ow sensor Temperature sensor BX21 module 3 (7834) in °C B14 ﬂ ow sensor...
Page 54 16 °C Adjust the over value VARMAX TWIN optimisation: The Varmax Twin may be optimised as necessary using the parameters in the Flow menu. Refer to the NAVISTEM B3000 boiler's controller manual for more details. 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: •...
Page 55: Spare Parts List
VARMAX TWIN - Installation, Use and Maintenance 9. SPARE PARTS LIST REF. FOR MODELS ITEM DESIGNATION Offset increase with seal and grease 76479 76480 250 mm long straight element with seal and grease 76481 76482 90° curved element with seal and grease...
Page 56 ATLANTIC BELGIUM SA SATC ATLANTIC GUILLOT Avenue du Château Jaco, 1 1 route de Fleurville 1410 WATERLOO 01190 PONT DE VAUX Tel.: 02/357 28 28 Tel.: 03 51 42 70 03 Fax: 02/351 49 72 www.ygnis.be Fax: 03 85 51 59 30 www.atlantic-guillot.fr...

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