broag SEAGOLD 1A HR Manual
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broag SEAGOLD 1A HR Manual

Fully condensing atmospheric gas boiler
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  • Page 82 remeha Gas 3c Technical information Atmospheric gas boiler 92 - 372 kW...

  • Page 83: Table Of Contents

    remeha Gas 3c CONTENTS Preface 8. Gas supply General 1. Boiler description Gas pressure 2. Construction 9. Electrical supply General General Burners Control panel Boiler base Electrical connections Assembly Electrical data Wiring diagram for the instrument panel 3. Technical information and dimensions 9.5.1 Simple instrument panel 9.5.2...

  • Page 84: Preface

    B11 BS. Suitable for all qualities of natural gas, cat. I 2 H (20 For further advice or information contact Broag Ltd. mbar). The boiler meets the requirements of the CE regulations The remeha Gas 3c is supplied with electronic ignition at the following directives: and insulated casings.
  • Page 85 remeha Gas 3c 3. TECHNICAL INFORMATION AND DIMENSIONS Top view Cross section Left hand side view Front view Fig. 01 View figures Output Dimensions Boiler Number of Input Water Water sections resistance contents weight ∆ ° ± ∆ ° Ø D Ø...

  • Page 86: Application

    4. APPLICATION 4.1 L.P.H.W. system 4.2 Chimneys The average flue gas temperature is so low that the chim- 4.1.1 Water temperature ney must be in accordance with the guidelines of British Maximum water temperature is 110°C (high limit Gas and BS 6644. thermostat).

  • Page 87: Typical Boiler Installations

    remeha Gas 3c 5. TYPICAL BOILER INSTALLATIONS One boiler in boiler room Fig. 02 Installation 1 Two boilers in boiler room Fig. 03 Installation 2 Two boilers in boiler room back to back Fig. 04 Installation 3 Number of sections 1015 1015 1040...

  • Page 88: Regulation And Safety Equipment

    6. REGULATION AND SAFETY EQUIPMENT 6.1 General All connections are pre-wired and fitted with plugs. The The remeha Gas 3c is supplied with electronic control capillaries from the control panel should be fitted in the and safety equipment with flame detection. pocket of the boiler, wich is fitted in the top front of the end section.

  • Page 89: Standard Electronic Gas Train On/Off Or High/Low

    Other end section tapping 1" should be sealed. 7.2 Boiler assembly 7.5 Water pressure Broag provides special tools on loan, for the boiler as- Each section is hydraulically tested to at least 12 bar. sembly with detailed building instructions. However, buil-...

  • Page 90: Gas Supply

    8. GAS SUPPLY 8.1 General 8.2 Gas pressure The gas train can be fitted on the left or right hand side of Maximum gas pressure at inlet 100 mbar. Burner pressure: the boiler but as standard is always fitted on the same - full load : 11.8 mbar (100%) side of the boiler instrument panel (fitted in the front - part load (High/Low version only): 4.2 mbar (60%)
  • Page 91 Only High/Low...

  • Page 96: Technical Information

    7. Check flame protection, and thermostats. 1. Clean the internal flue ways of the boiler with a steel 8. Check the boiler input at 100% and 60% load cleaning brush (available from Broag). (High/Low version only). Remove top casing and top of the flue hood.
  • Page 97 ISO 9001 since 1988 Broag Ltd. Head office Remeha house, Molly Millars Lane, Wokingham, Berkshire RG41 2QP. Tel. 0118 9783434 Fax 0118 9786977 Branch office © Copyright Unit 3, Kestrel Close, All technical and technological information contained in these Quarry Hill Ind. Estate,...
  • Page 98 remeha Gas 3c ECO Technical information Fully condensing atmospheric gas boiler 101 - 407 kW...
  • Page 99 remeha Gas 3c ECO CONTENTS Preface 8. Assembly and installation guidelines General 1. Boiler description Boiler assembly Water connections 2. Construction Pocket for instrument panel General Water pressure The burners Condensate drain Boiler floor Assembly 9. Gas supply General 3. Boiler efficiency Gas pressure General Condensation...

  • Page 100: Boiler Description

    B23 burners. For further advice or information contact Broag Ltd. The boiler meets the requirements of the CE regulations at the following directives: The remeha Gas 3c ECO boiler is fitted with electronic - Gas appliance directive no.

  • Page 101: Technical Data And Dimensions

    remeha Gas 3c ECO 4. TECHNICAL DATA AND DIMENSIONS intern Condense drain 12-17 sections only Condense drain Ø 32 int. Cross section Top view Front Left hand side view Fig. 02 Dimensions of the remeha Gas 3c ECO Number Output Input Dimensions Water...

  • Page 102: Application

    5. APPLICATION 5.1 L.P.H.W. system For information on water treatment we advise direct contact with either: 5.1.1 Water temperature Fernox Manufacturing Company Ltd. Maximum water temperature is 110°C (high limit Britannia Works thermostat). Clavering Highest operating flow temperature is 95°C (control Essex, CB1L 4QZ thermostat).

  • Page 103: Typical Boiler Installations

    remeha Gas 3c ECO 6. TYPICAL BOILER INSTALLATIONS Installation 1 One boiler in boiler room Condense drain Installation 2 Two boilers in boiler room Condense drain Installation 3 Two boilers in boiler room back to back Fig. 03 Boiler installations Number of sections 1475 Dimensions...

  • Page 104: Control And Safety Equipment

    7. CONTROL AND SAFETY EQUIPMENT 7.1 General The remeha Gas 3c ECO is supplied with electronic con- trol and safety equipment, with ionisation flame detection. 7.2 Instrument panel The remeha Gas 3c ECO is supplied with an instrument panel and it is fitted in the front of the boiler, either left or right.

  • Page 105: Standard Electronic Gas Train

    remeha Gas 3c ECO 7.3 Standard electronic gas train 7.3.1 Specification 1 Gas multibloc (5-12 sections) 2 Safety gas valves (13-17 sections) 1 Gas governor (13-17 sections) 1 Pilot gas valve 1 Pilot gas governor 1 Ignition transformer 5 kV 1 Pilot burner with ionisation probe 7.3.2 Control panel on gas train 1 Main switch...

  • Page 106: Assembly And Installation Guidelines

    Broag or an approved boiler erection preventing the escape of flue gases. engineer.

  • Page 107: Electric Supply

    remeha Gas 3c ECO 10. ELECTRIC SUPPLY 10.1 General 10.5 Wiring diagram for the instrument panel The electrical installation must conform to the IEE Regu- 10.5.1 Simple instrument panel lations and also to Local Authority Requirements. 10.2 Control panel A control panel is fitted on the gas train. 10.3 Electric connections The boiler is pre-wired.
  • Page 108 Legend Control thermostat LD2 Air-pressure switch Reset button Multi bloc Fuse Main switch Flame detector PGV Pilot gas valve Flue fan SSV Safety shut-off valve Lock out/Operating-light Boiler switch HLT High limit thermostat Connector Ignition transformator Connection screws control box Ø...

  • Page 111: Commissioning

    remeha Gas 3c ECO 11. COMMISIONING 11.1 Technical information 11. Let the boiler run for a couple of minutes to get rid of Control box : Satronic TMG 740/2 air in the gas pipe. mod. 45.54. 12. Set the correct burner pressure. Main supply : 240 V-50 Hz.

  • Page 112: Maintenance

    (available from 8. Check start program, ignition time and safety times. Broag). Remove top casing and the top of the flue 9. Check flame protection and thermostats. hood. 10. Check boiler input.
  • Page 113 Gas 3c ECO ISO 9001 since 1988 Broag Ltd. Head office Remeha House, Molly Millars Lane, Wokingham, Berkshire RG 41 2QP Tel. 0118 9783434 Fax 0118 9786977 Branch office Unit 3, Kestrel Close, © Copyright All technical and technological infor- Quarry Hill Ind.
  • Page 114 remeha Gas 3d Technical information Atmospheric gas boiler ® with reminox Low NOx burners 90 - 360 kW...
  • Page 115 remeha Gas 3d CONTENTS Preface 7. Assembly and installation guidelines General 1. Boiler description Boiler assembly Water connections 2. Construction Pocket for instrument panel General Water pressure Burners Boiler base Gas supply Assembly General Gas pressure 3. Technical information and dimensions 9.

  • Page 116: Preface

    2.3 Boiler base The gas train should as standard always be fitted The Broag remeha Gas 3d boiler is supplied as standard on the same side as the instrumental panel, with reflecting floor plates with ventilation underneath.

  • Page 117: Technical Information And Dimensions

    remeha Gas 3d 3. TECHNICAL INFORMATION AND DIMENSIONS Cross section Top view Left hand side view Front view Fig. 01 View figures Input Number Output Dimensions Water Water Boiler Mass resistance weight flue contents rate sections ± ∆ ° ∆ °...

  • Page 118: Application

    4. APPLICATION 4.1 L.P.H.W. system 4.2 Chimneys The average flue gas temperature is so low that the chim- 4.1.1 Water temperature ney must be in accordance with the guidelines of British Maximum water temperature is 110°C (high limit Gas and BS 6644. thermostat).

  • Page 119: Typical Boiler Installations

    remeha Gas 3d 5. TYPICAL BOILER INSTALLATIONS One boiler in boiler room Fig. 02 Installation 1 Two boilers in boiler room Fig. 03 Installation 2 Two boilers in boiler room back to back Fig. 04 Installation 3 Number of sections 1015 1015 1040...

  • Page 120: Regulation And Safety Equipment

    6. REGULATION AND SAFETY EQUIPMENT 6.1 General All connections are pre-wired and fitted with plugs. The The remeha Gas 3d is supplied with electronic control capillaries from the control panel should be fitted in the and safety equipment with UV flame detection. pocket of the boiler, wich is fitted in the top front of the end section.

  • Page 121: Standard Electronic Gas Train High/Low

    remeha Gas 3d 6.3 Standard electronic gas train High/Low 6.3.2 Specification 1 Gas multiloc (5-12 sections) 6.3.1 Schematic 2 Safety shut off valves 1 Gas governor 1 Gas filter 2 Safety shut off valves (13-17 sections) 1 Gas governor 1 Pilot gas valve 1 Ignition transformer 5 kV 1 Pilot burner with UV protection 6.3.3 Control panel on gas train...

  • Page 122: Assembly And Installation Guidelines

    Other end section tapping 1" should be sealed. 7.2 Boiler assembly 7.5 Water pressure Broag provides special tools on loan, for the boiler as- Each section is hydraulically tested to at least 12 bar. sembly with detailed building instructions. However, buil-...

  • Page 123: Electrical Supply

    remeha Gas 3d 9. ELECTRICAL SUPPLY 9.1 General 9.5 Wiring diagram for the instrument panel The electrical installation must conform the IEE 9.5.1 Simple instrument panel regulations and also to local authority requirements. 9.2 Control panel A control panel is fitted on the gas train. 9.3 Electrical connections The boiler is pre-wired.

  • Page 127: Technical Information

    remeha Gas 3d 10. COMMISSIONING 10.1 Technical information 4. Switch on circulation pump and check rotation direc- Control box: Landis & Gyr typ LFL 1.638. tion. Main supply: 240 V-50 Hz. 5. Open main gas cock (release air in gas pipe work). Minimum UV current: 100 µA.

  • Page 128: Maintenance

    1. Clean the internal flue ways of the boiler with a steel 8. Check the boiler input at 100% and 60% load. cleaning brush (available from Broag). 9. Make a combustion efficiency calculation. Remove top casing and top of the flue hood.
  • Page 129 ISO 9001 since 1988 Broag Ltd. Head office Remeha house, Molly Millars Lane, Wokingham, Berkshire RG41 2QP. Tel. 0118 9783434 Fax 0118 9786977 Branch office © Copyright Unit 3, Kestrel Close, All technical and technological information contained in these Quarry Hill Ind. Estate,...
  • Page 130 Technical information Remeha Gas 350 • Atmospheric gas boiler • 64 - 174 kW...
  • Page 131 Remeha Gas 350 TABLE OF CONTENT Preface Assembly and installation guidelines General Boiler description Boiler assembly Water connections Construction details Pocket the thermostat capillaries General Water pressure Burners Gas supply Boiler Floor Delivery General Gas pressure Dimensions and technical data Injectors Dimensions Remeha Gas 350 Operation on propane...

  • Page 132: Preface

    On completion a copy of the boiler log / commissioning sheet should be returned to Broag Ltd for record pur- poses. BOILER DESCRIPTION The Remeha Gas 350 boiler is a cast iron sectional...

  • Page 133: Dimensions And Technical Data

    Remeha Gas 350 DIMENSIONS AND TECHNICAL DATA Dimensions Remeha Gas 350 Rear view Side view Front view fig. 01 Dimensions Remeha Gas 350 É Flow R2” (BSP M) Ê Return R2” Ï Gas connection 4 - 6 sections R1” 7 - 9 sections R1¼” Ñ...

  • Page 134: Quotation Specifications

    Quotation specifications Optional: General specifications: - Hours run meters - Heat exchanger manufactured from corrosion resist- - BMS contacts for remote indication ant “pearlite” cast iron - Water pressure switch - Maximum operating pressure of 6 bar - Down draught thermostat - rematic - Maximum operating temperature of 95°C ®...

  • Page 135: Noise Level

    Remeha Gas 350 Installation standards Suitable chemicals and their use should be discussed with a specialist water treatment company prior to car- The following instructions must be adhered to when the rying out any work. The specification of the system and Remeha Gas 350 is installed: manufacturers recommendations must be taken into Gas Safety (installation and use) Regulations 1984 (as...

  • Page 136: Typical Boiler Installations

    TYPICAL BOILER INSTALLATIONS Installation 1 Recommended layout for one boiler installation, meas- urements in mm. 1 Boiler in boiler room V = min. length 0.5 m before elbow, thus avoiding down draught W = min. 150 mm with vertical flue outlet W = min.

  • Page 137: Control And Safety Equipment

    Remeha Gas 350 CONTROL AND SAFETY EQUIPMENT General The Remeha Gas 350 is supplied with electronic control the following options: hour run meters, water pressure and safety equipment with ionisation flame detection. switch, down draught thermostat, simple or complex volt free modules and/or rematic ®...

  • Page 138: Specification Control Box

    Broag The multi pocket for the thermostat capillaries is fitted in on a daily basis. However, Broag (or a Broag approved the flow connection of the boiler. boiler erection engineer) can provide boiler assembly Water pressure services and / or building supervision.
  • Page 139 Remeha Gas 350 GAS SUPPLY General Operation on propane The gas train is fitted behind the front casing. The boiler is supplied, as standard set for natural gas, The local Gas authority should be consulted to ensure therefore the boiler must be converted to propane BEFORE the boiler is fired and commissioned for the that an adequate pressure and supply is available.
  • Page 140 Electrical information Wiring diagrams Main supply: 230 V-50 Hz (L/N) Power consumption running: 110 W Maximum fuse: 6.3 A (slow blow) fig. 06 Electrical principle diagram 04.03F.SC.00004...
  • Page 141 Remeha Gas 350 CON.4A 4A-7 4A-8 4A-9 4A-1 4A-6 4A-5 4A-4 4A-10 4A-3 4A-2 CON.4A 4A-7 4A-8 4A-9 4A-1 4A-2 General warning signal Operating signal stage 2 K10-1 K9-1 K8-1 K8-2 K7-1 K6-1 K5-1 K4-1 K3-1 K2-1 K1-1 Operating signal K10-1 K9-1 K8-1...
  • Page 142 The boiler will shut down for 3 minutes. After that the boiler will resume operation. 18. Send the initial commissioning report CE to Broag.
  • Page 143 Remeha Gas 350 MAINTENANCE To maintain maximum efficiency it is essential to service Check and reset/replace ignition electrode and ioni- the boiler, check safety parameters and re-set combus- sation probe as found necessary. tion once a year. Re-assemble boiler. Check ignition and ionisation cables for connections Normal Service Maintenance and continuity.
  • Page 144 12.1 Communication The control box communicates by using a flash code. An LED inside the reset button of the control box dis- plays this flash code. flash code meaning of codes │││. waiting time Tw ││││. pre-ignition (Tvz) ▌│. safety time (Ts) and post ignition time (Tn) ▌││.
  • Page 145 Broag Ltd. Remeha House Molly Millars Lane RG41 2QP WOKINGHAM, Berks. United Kingdom Tel: 0118 9783434 Fax: 0118 9786977 uk.remeha.com boilers@broag-remeha.com Midlands Branch Office Unit 3 Kestrel Close Quarry Hill Industrial Estate Ilkeston © Copyright Derbyshire DE7 4RD All technical and technological information contained in these technical instructions,...
  • Page 146 Technical information Remeha Gas 450 • Atmospheric gas boiler with reduced NOx emission • 217 - 344 kW...
  • Page 147 Remeha Gas 450 CONTENTS Preface 7. Assembly and installation guidelines 7.1 General 1. Boiler description 7.2 Boiler assembly 7.3 Water connections 2. Constructions 7.4 Pocket for instrument panel General 3 7.5 Water pressure Burners 3 Boiler floor 8. Gas supply Delivery 3 8.1 General 8.2 Gas pressure...
  • Page 148 B11 BS. Suitable for all qualities of natural gas and LPG, For further advice or information contact Broag Ltd. cat. II 2H3P (LPG version on request) The Remeha Gas 450 central heating boiler is approved The Remeha Gas 450 is supplied with electronic junc- according to the following European directives: tion with insulated casings.
  • Page 149 Remeha Gas 450 3. TECHNICAL INFORMATION AND DIMENSIONS Front view Side view ½ Flow R 2 " ½ Return R 2 " ¼ Gas connection: R 1 " Note: Right hand execution is shown: instrument panel, gas and water connections on the right hand side; left hand execution is mirror image Rear view Fig.

  • Page 150: Water Pressure

    4. APPLICATION 4.1 L.P.H.W. system 4.1.4 Water treatment Water treatment under normal circumstances is not 4.1.1 Water temperature necessary (see our water quality recommendations). Maximum water temperature is 110°C (high limit thermostat). 4.1.5 Noise level Highest boiler operation water temperature is 95°C The noise level measured around the boiler depending (control thermostat).
  • Page 151 Remeha Gas 450 5. TYPICAL BOILER INSTALLATIONS 1 boiler in boiler room V = min. length 0.5 m before elbow, thus avoiding down- draught W = min. 150 mm with vertical flue outlet W = min. 0.5D + 50 mm with horizontal flue outlet = free access to rear of boiler Note:...
  • Page 152 6. REGULATION AND SAFETY EQUIPEMENT 6.1 General All connections are pre-wired and fitted with plugs. The The Remeha Gas 450 is supplied with electronic control capillaries from the control panel should be fitted in the and safety equipment with ionisation flame detection. pocket of the boiler, which is fitted in the flow connection of the boiler.

  • Page 153: Gas Supply

    7.5 Water pressure 7.2 Boiler assembly Each section is hydraulically tested to at least 10 bar. Broag can provide special tools on loan for the boiler Maximum test pressure for the assembled boiler block is assembly with detailed building instructions. However, buil- 8 bar.
  • Page 154 9.5 Wiring diagram boiler Fig. 06 Wiring diagram...

  • Page 155: Commissioning

    Injector size pilot burner: Ø 0.5 mm. ionisation probe disconnected. Injector size main burner: Ø 3.85 mm. 13. Send the commissioning reports to Broag. Burner pressure full load: 14.0 mbar (100%). Burner pressure part load: 5.0 mbar (60%). 10.3 Switching off the boiler 1.

  • Page 156: Maintenance

    3. Clean the internal flue ways of the boiler with a steel 11. Check the boiler input at 100% (full load) and 60% cleaning brush (available from Broag). (part load). 4. Clean the boiler room and the floor underneath the 12.
  • Page 157 Broag Ltd. Head office Remeha house Molly Millars Lane Wokingham, Berkshire RG41 2QP Tel.: 0118 978 3434 Fax: 0118 978 6977 E-mail address: boilers@broag-remeha.com Branch office Unit 3, Kestrel Close, Quarry Hill ind. Estate, Ilkeston Derbyshire DE7 4RD Tel.: 0115 944 0778 ©...
  • Page 158 Technical information Remeha Gas 550/550 Duo • Atmospheric gas boiler • 278 - 1058 kW...

  • Page 159: Trouble Shooting

    Remeha Gas 550/550 Duo TABLE OF CONTENT Preface 8 Gas supply 8.1 General 1 Boiler description 8.2 Gas pressure 8.3 Injectors 2 Construction details 2.1 General 9 Electrical supply 2.2 Burners 9.1 General 2.3 Assembly 9.2 Instrument panel 9.3 Control panel 3 dimensions and Technical data 9.4 Electrical connections 3.1 Dimensions Remeha Gas 550...

  • Page 160: Preface

    Engineer, with the relevant certification i.e.: CORGI, ACOPS, IEE regs. etc. On completion a copy of the boiler log / commissioning sheet should be returned to Broag Ltd for record purpo- ses. BOILER DESCRIPTION The Remeha Gas 550 series boiler is a cast iron...

  • Page 161: Dimensions And Technical Data

    Remeha Gas 550/550 Duo DIMENSIONS AND TECHNICAL DATA 3.1 Dimensions Remeha Gas 550 Fig. 01 Dimensions Remeha Gas 550 00.05F.79.00002 Flow Ø107 int. Return Ø107 int. Gas 2" Flue gas Ø...
  • Page 162 Number of sections Nominal heat 139-278 170-340 202-403 233-466 265-529 296-592 328-656 output Hi / 160-309 195-378 232-448 266-518 301-588 337-657 372-728 Nominal heat input Hs / 177-343 217-420 256-498 296-576 335-653 374-730 414-809 Gas consumption 1240 1460 1680 1900 2120 2340 2560...

  • Page 163: Dimensions Remeha Gas 550 Duo

    Remeha Gas 550/550 Duo 3.2 Dimensions Remeha Gas 550 Duo Fig. 02 Dimensions Remeha Gas 550 Duo 00.05F.79.00003 Flow Ø107 int. Return Ø107 int. Gas 2" Flue gas Ø...

  • Page 164: Application Information

    Number of sections 2 x 10 2 x 12 2 x 14 2 x 16 2 x 18 Nominal heat 139-556 170-680 202-806 233-932 265-1058 output Hi / Nominal 160-618 195-756 232-896 266-1036 301-1176 heat input Hs / 177-686 217-840 256-996 296-1152 335-1306...

  • Page 165: Noise Level

    Remeha Gas 550/550 Duo As most systems contain a variety of metals which can 4.3 Installation standards react with each other to cause corrosion. It is con- The following instructions must be adhered to when the sidered good practice to provide some form of water Remeha Gas 550/550 Duo is installed: treatment (especially in open vented systems) in order to Gas Safety (installation and use) Regulations 1984 (as...

  • Page 166: Typical Boiler Installations

    TYPICAL BOILER INSTALLATIONS 5.1 Installation 1 Recommended layout for boiler installation, measure- ments in mm. centre of nipple holes floor area number of sections Size A 1185 1405 1625 1845 2065 2285 Size Ø D Size B 1240 1460 1680 1900 2120 2340...
  • Page 167 Remeha Gas 550/550 Duo 5.2 Installation 2 Recommended layout for boiler installation, measure- ments in mm. floor area number of sections size A size ØD number of sections Size A 1185 1405 1625 1845 Size Ø D Fig. 04 Remeha Gas 550 Duo 00.05F.79.00005...

  • Page 168: Control And Safety Equipment

    CONTROL AND SAFETY EQUIPMENT 6.1 General 6.3 Standard electronic gas train High/Low The Remeha Gas 550 is supplied with electronic control 6.3.1 Schematic and safety equipment with ionisation flame detection. 6.2 Instrument panel The Remeha Gas 550 is supplied with an instrument panel mounted in the front of the boiler, either left or right.

  • Page 169: Specification Control Box

    Remeha Gas 550/550 Duo 6.3.3 Specification control box 6.4.3 Water level control (lock out) Control box : Satronic MMI 816 The boiler is equipped with a water level sensor to Main supply : 230 V – 50 Hz prevent boiler from operating without water. The boiler Minimum ionisation current : min 3 µA (DC) will lock out.

  • Page 170: Assembly And Installation Guidelines

    7.2 Boiler assembly The boiler is supplied with full assembly instructions. On Note: The Gas 550 Duo has two sets. request special assembly tools can be hired from Broag on a daily basis. 7.5 Water pressure However, Broag (or a Broag approved boiler erection Each section is hydraulically tested at 10 bar.

  • Page 171: Electrical Supply

    Remeha Gas 550/550 Duo ELECTRICAL SUPPLY 9.1 General 9.5 Electrical information The electrical installation must conform to the IEE regu- Main supply : 230 V-50 Hz (L/N) lations and also to local authority requirements. Running current : 150 VA Maximum fuse : 6 A (slow acting) 9.2 Instrument panel The Gas 550 is supplied with an instrument panel that...

  • Page 172: Wiring Diagrams

    9.7 Wiring diagrams Fig. 08 Electrical principle diagram 04.05F.SC.00001...

  • Page 173: Commissioning

    Remeha Gas 550/550 Duo Fig. 09 Electric connection central alarm 00.03F.60.00042 COMMISSIONING Note: Commissioning must only be carried out by a 9. Switch on the boiler. qualified engineer with the relevant training and certifica- - If a valve leakage control is installed the following tion i.e.
  • Page 174 • Connect a pressure gauge to measuring point LD. operation. • Turn the adjustment disc of the pressure switch to 21. Send the initial commissioning report CE to Broag. it’s minimum setting. • Now close the main gas cock slowly until the inlet pressure drops to the value detailed in the docu- mentation supplied with the gas pressure switch.

  • Page 175: Switching Off The Boiler

    Remeha Gas 550/550 Duo 10.1 Switching off the boiler 1. Switch off the electric supply. 2. Shut off the gas cock. 1. pressure regulator Warning: When switched off and full of water the boiler 2. part load adjustment could be damaged if the temperature falls below freezing ring point.

  • Page 176: Trouble Shooting

    TROUBLE SHOOTING Fig. 11 Switch diagram Fig. 12 Switch diagram with valve leakage control (optio- nal) 04.05F.SC.00001 04.05F.SC.00001 12.1 Fault causes In case of all disturbances the gas supply is interrupted and the color disc stops rotating. Check the position of the color disc for a indication of the cause.
  • Page 177 Broag Ltd Head Office Remeha House, Molly Millars Lane, Wokingham, Berkshire RG41 2QP. Tel.: 0118 9783434 Fax: 0118 9786977 Email: boilers@broag-remeha.com Internet: www.broag-remeha.com Branch Office Unit 3, Kestrel Close, Quarry Hill Ind. Estate, Ilkeston, Derbyshire DE7 4RD © Copyright Tel. 0115 9440778...
  • Page 216 remeha Technical information Gas 5a/5a Duo Atmospheric gasboiler 276 - 1044 kW...
  • Page 217 11.1 The boiler fails to restart after a normal 2.5.1 Broag remeha Gas 5a shut-down 2.5.2 Broag remeha Gas 5a Duo 11.2 No ignition 11.3 Pilot burner ignites but fails immediately Application 11.4 Pilot burner ignites but gas does not reach L.P.H.W.

  • Page 218: Preface

    1. BOILER DESCRIPTION Water connecties Ø 100 mm. The Broag remeha Gas 5a boiler is a cast iron sectional Output : Gas 5a - 10 to 22 sections : 276 to 644 kW. boiler with atmospheric burners.

  • Page 219: Boiler Dimensions And Technical Data

    2.5 Boiler dimensions and technical data 2.5.1 Broag remeha Gas 5a (only 22 S) ø 100 Front view Side view Cross-section Top view Fig. 01 Dimensions of the Broag remeha Gas 5a Nominal Input Dimensions Model Resistance Water Weight ∆...

  • Page 220: Broag Remeha Gas 5A Duo

    2.5.2 Broag remeha Gas 5a Duo ø D ø 100 Front view Side view Cross-section Top view Fig. 02 Dimensions of the Broag remeha Gas 5a Duo Model Nominal Input Dimensions Water Weight ± output G.C.V. Ø D Ø d content "...

  • Page 221: Application

    3.1.4 Water treatment Water treatment of all systems, but in particular open vented systems used with the Broag remeha Gas 5a, is considered necessary good practice in order to: - avoid metallic corrosion within the system - avoid sludge and scale information...

  • Page 222: Typical Boiler Installation

    4. TYPICAL BOILER INSTALLATION Installation 1 1 boiler in boiler room Installation 2 2 boilers in boiler room Installation 3 Duo arrangement Fig. 03 Boiler installations Dimensions Number of sections 1240 1350 1460 1570 1680 1790 1900 2120 2340 2560 Ø...

  • Page 223: Regulation And Safety Equipment

    Gas 5a/5a Duo 5. REGULATION AND SAFETY EQUIPMENT 5.1 General 5.2.2 Specification The Broag remeha Gas 5a is supplied with electronic 2 Safety gas valves control and safety equipment with ionisation flame detec- 1 Gas governor tion. 1 Pilot gas valve 1 Pilot gas governor 5.2 Standard electronic gastrain High/Low...
  • Page 224 Maximum test pressure for the assembled boiler block is 6.2 Boiler assembly 6 bar. Broag provides special tools on loan, for the boiler Maximum working pressure is 6 bar. assembly with detailed building instructions. However, Minimum working pressure is 0.8 bar at a maximum building supervision and/or actual boiler erection services working temperature of 110°C or 0.3 bar at a maximum...
  • Page 225 remeha Gas 5a/5a Duo 7. GAS SUPPLY 7.1 General 7.2 Gas pressure The gas train can be fitted on the left or right hand side of Maximum gas pressure at inlet 100 mbar. the boiler. Burner pressure: The local Gas authority should be consulted to ensure - full load : 8.7 mbar (100%) that an adequate pressure and supply is available at the - part load : 3.5 mbar (60%)
  • Page 226 8.2 Electric connections junction box and is also included in this manual (see The Satronic control box for the Broag remeha Gas 5a section 8.4). Time controls and remote thermostats can series boilers is prewired for the operation of all controls be connected across terminals 12 and 13 after removal of in the correct ignition and shut-down sequences.

  • Page 228: Commissioning

    9. COMMISSIONING It is important that the protective plastic coating is remo- ved from the casing prior to commissioning by a compe- tent person. 9.1 Technical information Control box: Satronic TFI 812.1B Mod 10. Main supply: 240 V-50 Hz. Minimum Ionisation I.O. current : 5 m Amp. Reaction time : 5 sec.

  • Page 229: Maintenance

    1. Clean the internal flue ways of the boiler with a steel 8. Check boiler input at 100% and 60% load. cleaning brush (available from Broag). 9. Check the combustion efficiency. Remove top casing and top of the flue hood.

  • Page 230: Fault Finding Chart

    11. FAULT FINDING CHART 11.1 The boiler fails to restart after a normal shut- 11.3 Pilot burner ignites but fails immediately down - Check the position of the flame detector probe in rela- - Ensure that both gas and electricity supplies are tion to the pilot burner.
  • Page 231 Gas 5a/5a Duo ISO 9001 since 1988 Broag Ltd. Head office Molly Millars Lane, Wokingham, Berks. RG11 2PY Tel. 01734-783434 Telex 849 137 Fax 01734-786977 Branch office Unit 3 Kestrel Close, Quarry Hill © Copyright All technical and technological infor-...
  • Page 232 Technical information Remeha Gas 5c / 5c Duo • Atmospheric gas boiler • 278 - 1058 kW...
  • Page 233 Remeha Gas 5c / 5c Duo CONTENTS Preface 7. Assembly and installation guidelines 1. Boiler description General Boiler assembly 2. Construction details Water connections General Pocket for the instrument panel Burners Water pressure Boiler fl oor Assembly 8. Gas supply 11 General 3.

  • Page 234: Preface

    B11 BS. Suitable for all qualities of natural gas, cat. I 2 H (20 mbar). For further advice or information contact Broag Ltd. The boiler meets the requirements of the CE regulations at the following directives: The Remeha Gas 5c is supplied with electronic junction - Gas appliance directive no.

  • Page 235: Technical Data And Dimensions

    Remeha Gas 5c / 5c Duo 3. TECHNICAL DATA AND DIMENSIONS 3.1 Dimensions Remeha Gas 5c Front view Left hand side view Top view Cross section Fig. 01 Dimensions Remeha Gas 5c Nom. heat Nom. heat Dimensions Water resistence Water Boiler Flue gas Number...

  • Page 236: Dimensions Remeha Gas 5C Duo

    3.2 Dimensions Remeha Gas 5c Duo Front view Left hand side view Top view Cross section Fig. 02 Dimensions Remeha Gas 5c Duo Boiler Nom. heat Dimensions Water Flue gas Number Nom. heat consump- contents weight flow rate output input Ød ØD ±...

  • Page 237: Application Information

    Remeha Gas 5c / 5c Duo 4. APPLICATION INFORMATION 4.1 L.P.H.W. system 4.2 Chimneys The average fl ue gas temperature is so low that the 4.1.1 Water temperature chimney must be made in accordance with the guide- Maximum water temperature is 110°C (high limit ther- lines of British Gas (BS 6644).

  • Page 238: Typical Boiler Installations

    5. TYPICAL BOILER INSTALLATIONS Recommended layout for boiler installation, measure- ments in mm. Installation 1 Remeha Gas 5c Fig. 03 Boiler installation Remeha Gas 5c...
  • Page 239 Remeha Gas 5c / 5c Duo Recommended layout for boiler installation, measure- ments in mm. Installation 2 Remeha Gas 5c Duo Fig. 04 Boiler installation Remeha Gas 5c Duo...

  • Page 240: Control And Safety Equipment

    6. CONTROL AND SAFETY EQUIPMENT 6.1 General The boiler is supplied as standard with the simple in stru- The Remeha Gas 5c is supplied with electronic control ment panel. All connections are pre-wired and fi tted with and safety equipment with ionisation fl ame detection. plugs.

  • Page 241: Standard Electronic Gas Train High/Low

    Remeha Gas 5c / 5c Duo 6.3 Standard electronic gas train High/Low 6.3.1 Schematic 10 - 16 sections 18 - 24 sections Fig. 06 Schematic construction gas train Legend 6.3.3 Control panel on gas train Gas cock 1 Main switch Pilot burner 1 Control box Satronic Gas governor...

  • Page 242: Assembly And Installation Guidelines

    Each section is hydraulically tested to at least 10 bar. building supervision and/or actual boiler erection ser vi ces Maximum test pressure for the assembled boiler block is can be provided by Broag or an approved boiler erection 7,8 bar. Operating pressure between 0.8 bar and 6 bar. engineer.

  • Page 243: Electrical Supply

    Remeha Gas 5c / 5c Duo 9. ELECTRICAL SUPPLY 9.1 General 9.6 Wiring diagram for the instrument panel The electrical installation must conform to the IEE regula- tions and also to local authority requirements. 9.6.1 Simple instrument panel 9.2 Control panel A control panel is fi...

  • Page 244: Complete Instrument Panel

    9.6.2 Complete instrument panel Fig. 08 Scheme complete instrument panel...

  • Page 245: Wiring Diagram Boiler

    Remeha Gas 5c / 5c Duo 9.7 Wiring diagram boiler Fig. 09 Wiring diagram boiler...

  • Page 246: Commissioning

    10. COMMISSIONING 10.1 Technical information The following will happen: Control box: Satronic MMI 816 8. After a waiting time of about 13 seconds you will Main supply: 230 V - 50 Hz get ignition. At a minimum ionisation current of 7 Minimum ionisation current: min 3 µA (DC).
  • Page 247 Remeha Gas 5c / 5c Duo Broag Ltd. Head office Remeha house, Molly Millars Lane, Wokingham, Berkshire RG41 2QP. Tel. 0118 9783434 Fax 0118 9786977 Email: boilers@broag-remeha.com Branch office Unit 3, Kestrel Close, Quarry Hill Ind. Estate, © Copyright Ilkeston...

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