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Remeha Gas 350

• Atmospheric gas boiler

• 64 - 174 kW

Technical information

Remeha Gas 350

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Summary of Contents for Remeha Gas 350

Page 1: ...Remeha Gas 350 Atmospheric gas boiler 64 174 kW Technical information R e m e h a G a s 3 5 0 ...

Page 2: ... Specification control box 9 6 4 1 Specification Ignition transformer 9 6 5 Functions 9 6 5 1 General 9 6 5 2 Flame control lock out 9 6 5 3 Thermostats shutdown lock out 9 6 5 4 Water pressure switch optional shut down 9 6 5 5 Gas pressure switch LD optional shut down 9 6 5 6 Down draught thermostat optional shut down 9 7 Assembly and installation guidelines 9 7 1 General 9 7 2 Boiler assembly 9 ...

Page 3: ... and pro pane cat II2H3B P The Remeha Gas 350 central heating boiler is approved according to the following European directives Gas appliance directive no 90 396 EEC Efficiency directive no 92 42 EEC E M C directive no 89 336 EEC Low voltage directive no 73 23 EEC Remeha Gas 350 PIN 0063AS3842 Classification type for evacuation of the combustion pro ducts B11BS B 11 For further advice or informati...

Page 4: ... mm 165 165 165 215 215 215 table 01 Dimensions Front view Side view Rear view 3 2 Technical data Number of sections 4 5 6 7 8 9 Nominal heat output kW 64 87 109 130 152 174 Nominal heat input Hi NCV kW 72 97 121 145 169 193 Hs GCV kW 80 108 134 161 188 214 Gas consumption m3 h 7 6 10 3 12 8 15 3 17 9 20 4 Flue temperature C 154 152 146 138 138 142 Water resistance t 10 C mbar 5 13 21 30 41 52 t 2...

Page 5: ...w through the boiler on shut down is Output boiler in kW m3 h 93 This minimum flow must be maintained for approximate ly 5 minutes after the burner stops firing to avoid high temperature shut down due to residual heat gain Due to the design and manufacture of the boiler no specific minimum water flow requirements exist other then for overheating protection 4 1 4 Water treatment The system should b...

Page 6: ...about 50 dBA Noise levels taken at 1 meter from the boiler 4 2 Chimneys The average flue gas temperature is so low 108 173 C that the chimney must be made in accordance with the guidelines of British Gas BS 6644 and IG 10 4 3 Installation standards The following instructions must be adhered to when the Remeha Gas 350 is installed Gas Safety installation and use Regulations 1984 as amended In addit...

Page 7: ...ue outlet W min 0 5D 50 mm with horizontal flue outlet 1 Boiler in boiler room fig 02 One boiler 5 2 Installation 2 Recommended layout for two boiler installation meas urements in mm 2 Boilers in boiler room fig 03 Two boilers number of sections Dimensions A B C Ø D E 4 640 280 905 200 1030 5 740 330 905 200 1030 6 840 380 905 200 1030 7 940 430 930 200 1080 8 1040 480 930 250 1080 9 1140 530 930 ...

Page 8: ...ed in the pocket of the boiler which is fitted in the flow connection of the boiler fig 04 Instrument panel The instrument panel contains 1 Operating switch On Off 2 Control thermostat On Off range 35 C 95 C 3 Control thermostat High Low range 35 C 95 C 4 Hour run meter total running hours option 5 Hour run meter full load hours option 6 Analogue thermometer for flow temperature 7 High limit therm...

Page 9: ... 0 8 bar the boiler will shut down When the water pressure returns to 1 bar the boiler will resume opera tion again Type SIT 340 6 5 5 Gas pressure switch LD optional shut down The boiler can be fitted with an optional gas pressure switch LD If the supply gas pressure drops below the set value 12 mbar for natural gas only the boiler will shut down When the supply gas pressure returns above this se...

Page 10: ...supports Use our conversion kit for propane and follow the fitting and commissioning instructions Technical data for operation on propane are shown in table 03 Note Place the sticker from the conversion kit to indi cate that the boiler has been changed for propane firing Number of sections Heat output Heat input Hi Burner pressure1 Gas consumption2 Injector size main burner Injector size pilot bur...

Page 11: ...signals contact 230V 1Amp min Remove link to control boiler using an external Volt free 16 17 External control High Low volt free switch 7 8 External control On Off volt free switch Optional 1 2 Ignition transformer Control box STAGE HIGH STAGE LOW 230V Power supply F 230V 10 Lock out indication 230V 13 Boiler On 230V 19 Boiler High fire 230 P Tmx VA TR TB MK LD DK DS CA BM H IE K F BS Hour run me...

Page 12: ...arning control box is phase neutral sensitive 3 Check the water connections and whether the instal lation is full and under system pressure 4 Switch on the circulation pump and check the rota tion direction 5 Open the main gas cock purge gas pipeline 6 Switch on the electrical supply 7 Set both the thermostats to about 85 C 8 If a control system is built in put the selector switch on manual operat...

Page 13: ...on the pilot gas valve must close imme diately The boiler will lock out Reset by pressing the reset button on the control box 16 Water level control Check the water level Check the operation of the water level control by disconnecting the electrode The boiler should go to lock out Create a shortcut between the electrode and earth The boiler should go to lock out Reset by pressing the reset button ...

Page 14: ...Check start program ignition time and safety times Check flame protection and thermostats Check boiler input at 100 full load and 60 part load load Carryout combustion efficiency test Check the boiler and immediate installation connec tions for water leaks seals Check gas train and gas pipe for gas leaks Check flue connections Clean boiler casings Complete a commissioning report and fill in the bo...

Page 15: ...ck out table 05 Error messages long pulse short pulse short pause 12 2 Fault causes In case of a failure the LED is permanently illuminated Every 10 seconds the illumination is interrupted by a flash code In case of all failures the gas supply is interrupted Fault Possible cause Burner not working shut down no heat demand no mains supply voltage 187 V continuously tension on terminal A 2 3 seconds...

Page 16: ...t or whole without our prior consent in writing Subject to alterations ISO 9001 since 1988 51247 0303 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 Derbyshire DE7 4RD Tel 0115 944 0778 Fax 0115 944 0588 R e m...

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