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Supplied By www.heating spares.co  Tel. 0161 620 6677

Remeha Gas

550/550 Duo

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TABLE OF CONTENT

   

Preface 

 

 

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  1  Boiler description 

 

3

  2  Construction details 

 

3

   

2.1  General 

 

3

   

2.2  Burners 

 

3

   

2.3  Assembly 

 

3

  3  dimensions and Technical data 

 

4

   

3.1  Dimensions Remeha Gas 550 

 

4

   

3.2  Dimensions Remeha Gas 550 Duo  

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  4  Application information 

 

7

   

4.1  L.P.H.W. system  

 

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4.1.1  Water temperature 

 

7

   

 

4.1.2  Water pressure 

 

7

   

 

4.1.3  Water flow 

 

7

   

 

4.1.4  Water treatment 

 

7

   

 

4.1.5  Noise level 

 

8

   

4.2  Chimneys 

 

8

   

4.3  Installation standards 

 

8

  5  Typical boiler installations 

 

9

   

5.1  Installation 1 

 

9

   

5.2  Installation 2 

 

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  6  Control and safety equipment 

 

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6.1  General 

 

11

   

6.2  Instrument panel  

 

11

   

6.3  Standard electronic gas train High/Low 

11

   

 

6.3.1  Schematic 

 

11

   

 

6.3.2  Control panel on gas train 

 

11

   

 

6.3.3  Specification control box  

 

11

   

 

6.3.4  Specification Ignition transformer 

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6.4  Functions 

 

12

   

 

6.4.1  Flame control (lock out) 

 

12

   

 

6.4.2  Thermostats (shutdown / lock out)  12

   

 

6.4.3  Water level control (lock out)  

12

   

 

6.4.4  Valve leakage control - optional 

   

 

 

( lock out) 

 

12

   

 

6.4.5  Gas pressure switch LD - optional

   

 

 

(shut down) 

 

12

   

 

6.4.6  Gas pressure switch HD - optional 

   

 

 

(lock out) 

 

12

   

 

6.4.7  Down draft thermostat; 

   

 

 

(optional, shut down) 

 

12

  7  Assembly and installation guidelines   

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7.1  General 

 

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7.2  Boiler assembly 

 

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7.3  Water connections 

 

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7.4  Pocket for the thermostat capillaries 

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7.5  Water pressure 

 

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  8  Gas supply 

 

13

   

8.1  General 

 

13

   

8.2  Gas pressure 

 

13

   

8.3  Injectors  

 

13

  9  Electrical supply 

 

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9.1  General 

 

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9.2  Instrument panel 

 

14

   

9.3  Control panel 

 

14

   

9.4  Electrical connections 

 

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9.5  Electrical information 

 

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9.6  Water level control  

 

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9.7  Wiring diagrams 

 

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  10  Commissioning 

 

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10.1 Switching off the boiler 

 

18

  11  Maintenance 

 

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  12  Trouble shooting 

 

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12.1 Fault causes  

 

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Summary of Contents for Gas 550

Page 1: ...Supplied By www heating spares co Tel 0161 620 6677 1 Atmospheric gas boiler 278 1058 kW R e m e h a G a s 5 5 0 5 5 0 D u o Technical information Remeha Gas 550 550 Duo...

Page 2: ...6 3 3 Specification control box 11 6 3 4 Specification Ignition transformer 12 6 4 Functions 12 6 4 1 Flame control lock out 12 6 4 2 Thermostats shutdown lock out 12 6 4 3 Water level control lock ou...

Page 3: ...high low atmospheric gas burners suitable for natural gas cat I 2 H 20 mbar It is supplied in sections for delivery and on site assem bly The boiler meets the requirements of the CE regulations at th...

Page 4: ...heating spares co Tel 0161 620 6677 Remeha Gas 550 550 Duo 4 3 DIMENSIONS AND TECHNICAL DATA 3 1 Dimensions Remeha Gas 550 Fig 01 Dimensions Remeha Gas 550 00 05F 79 00002 Flow 107 int Return 107 int...

Page 5: ...47 55 62 70 77 B mm 1240 1460 1680 1900 2120 2340 2560 D mm 300 350 400 450 450 500 500 E mm 1295 1295 1295 1295 1295 1295 1245 Dimensions H mm 1730 1730 1730 1610 1730 1610 1730 Flue temperature C 15...

Page 6: ...plied By www heating spares co Tel 0161 620 6677 Remeha Gas 550 550 Duo 6 3 2 Dimensions Remeha Gas 550 Duo Fig 02 Dimensions Remeha Gas 550 Duo 00 05F 79 00003 Flow 107 int Return 107 int Gas 2 Flue...

Page 7: ...or 0 3 bar at a maximum working temperature of 95 C 4 1 3 Water flow The minimum water flow through the boiler on shut down is Output boiler in kW m3 h 93 This minimum flow must be maintained for app...

Page 8: ...ween 7 9 when using additives Maximum chlorine content of 200 mg l Take advice on the suitability of inhibitors 4 1 5 Noise level The noise level measured around the boiler depending on boiler room co...

Page 9: ...lation measure ments in mm centre of nipple holes floor area Fig 03 Remeha Gas 550 00 05F 79 00004 number of sections 10 12 14 16 18 20 22 Size A 965 1185 1405 1625 1845 2065 2285 Size D 300 350 400 4...

Page 10: ...2 Installation 2 Recommended layout for boiler installation measure ments in mm centre of nipple holes floor area number of sections Fig 04 Remeha Gas 550 Duo 00 05F 79 00005 size A size D number of s...

Page 11: ...on 5 Hour run meter full load hours option 6 Analogue thermometer for flow temperature 7 High limit thermostat preset to 110 C 8 Lock out warning lamp 9 Option for rematic weather compensator 10 Reset...

Page 12: ...esets after 3 minutes provided that the temperature also falls Type Honeywell L6068A fixed setpoint is 70 C Note The Gas 550 Duo requires two 6 3 3 Specification control box Control box Satronic MMI 8...

Page 13: ...Duo has two sets 7 5 Water pressure Each section is hydraulically tested at 10 bar Maximum test pressure for the assembled boiler block is 7 8 bar Minimum working pressure is 0 8 bar at a maximum wor...

Page 14: ...e gas train Note The Gas 550 Duo has two control panels and requires two sets of operating controls and has two sets of function indication 9 4 Electrical connections The boiler is pre wired Only the...

Page 15: ...Supplied By www heating spares co Tel 0161 620 6677 15 9 7 Wiring diagrams Fig 08 Electrical principle diagram 04 05F SC 00001...

Page 16: ...tats to about 85 C 8 If a control system is built in put the selector switch on manual operation 9 Switch on the boiler If a valve leakage control is installed the following will take place A membrane...

Page 17: ...nt disc of the pressure switch until the pressure control operates The control box shuts down the gas supply and will restart 15 Adjustment of the gas pressure switch HD optional Switch the boiler to...

Page 18: ...e Maintenance Isolate power controls and gas supply Remove front top casings and flue hood covers Remove gas manifold Remove the burners and floor plates Clean the internal flue ways of the boiler Cle...

Page 19: ...begin of red zone no flame signal of pilot burner no spark red zone failing or unstable flame of pilot burner end of yellow zone begin of green zone no flame signal of main burner Green zone end of g...

Page 20: ...Office Unit 3 Kestrel Close Quarry Hill Ind Estate Ilkeston Derbyshire DE7 4RD Tel 0115 9440778 Fax 0115 9440588 Copyright All technical and technological information contained in these technical inst...

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