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Table 5

SPECIFICATIONS

CENTRAL HEATING FLOW FITTING

22 mm Compression

CENTRAL HEATING RETURN FITTING

22 mm Compression

COLD WATER MAINS INLET FITTING

15 mm Compression

DOMESTIC HOT WATER OUTLET FITTING

15 mm Compression

GAS INLET FITTING

Rc ½ inch

PRESSURE RELIEF VALVE DISCHARGE FITTING

15 mm Comp.

OVERALL HEIGHT (including flue turret)

1055 mm

CASING HEIGHT

850 mm (33,5 in)

CASING WIDTH

400 mm (17,75 in)

CASING DEPTH

340 mm (13.5 in)

PACKAGED WEIGHT

43 kg

MAXIMUM LIFT WEIGHT

42 kg

PRIMARY WATER CAPACITY

1 litres

OUTPUT TO DOMESTIC HOT WATER

Modulating 7 to 23 kW

OUTPUT TO CENTRAL HEATING

10 to 20 kW

MAXIMUM COLD SUPPLY PRESSURE

12 bar (180 psi)

CENTRAL HEATING CIRCUIT
NOMINAL FLOW (

∆

T = 30°C)

10 l/m

PRESSURE HEAD CORRESPONDING TO NOMINAL FLOW

0,2 bar

CENTRAL HEATING FLOW TEMPERATURE

45°C - 90°C

MAXIMUM ADMISSIBLE PRIMARY WATER PRESSURE

2.65 bar

DOMESTIC HOT WATER PRODUCTION
WATER FLOW SELECTOR TURNED COMPLETELY TO THE RIGHT
TEMPERATURE RISE

51°C

HOT WATER FLOW RATE

2,5 - 6,5 l/min

MINIMUM WORKING PRESSURE FOR MAXIMUM FLOW RATE

0,35 bar

WATER FLOW SELECTOR TURNED COMPLETELY TO THE LEFT
TEMPERATURE RISE

25°C

HOT WATER FLOW RATE

4 - 13 l/min

MINIMUM WORKING PRESSURE FOR MAXIMUM FLOW RATE

1 bar

SPECIFIC RATE "D"

11.0 l/min

CLASSIFICATION

SEDBUK CLASSIFICATION

BAND E

Содержание 47 311 43

Страница 1: ...6 BOILER OUTPUT To Domestic Hot Water Modulating control Minimum 7 0 kW Maximum 23 0 kW To Central Heating Minimum 10 0 kW Maximum 20 0 kW IMPORTANT THESE INSTRUCTIONS APPLY IN GREAT BRITAIN AND IRELAND ONLY THESE INSTRUCTIONS ARE TO BE LEFT WITH THE USER OR AT THE GAS METER This appliance must be installed by a competent person in accordance with the CURRENT Gas Safety Installation and Use Regula...

Страница 2: ...pes must be capable of supplying this quantity of gas in addition to the demands of any other appliances being served The meter governor should deliver a dynamic pressure of 20mbar 8in wg for natural gas or 37mbar 14 4 in wg for propane at the inlet to the appliance 1 Installation Regulations 1 1 Gas Safety Installation and Use Regulations 1998 It is the law that all gas appliances are installed b...

Страница 3: ...ired temperature the burner will extinguish The appliance will remain off for a fixed period of three minutes before re lighting to automatically meet the system requirements Domestic Hot Water and Central Heating The appliance will supply heat to the central heating system as required Ademand for domestic hot water at a tap or shower will override the central heating requirement for the period of...

Страница 4: ...er pressure test point 7 Gas inlet test point 8 Thermometer 8 1 Pressure gauge 12 Bypass tube 15 Relief valve 18 Circulation pump with air separator 20 Closed expansion vessel 26 Expansion vessel valve 27 Automatic air vent 29 Burner injectors 30 Burner 32 Flame sensor 33 Ignition electrode 36 Primary temperature sensor NTC 43 Central heating flow 44 Domestic hot water outlet 45 Gas feed pipe 46 C...

Страница 5: ... RATE kW Btu h kW Btu h mbar in wg l min kg h CH max 20 68 240 22 2 75 750 11 6 4 6 40 3 CH min 10 34 120 11 8 40 260 2 9 1 2 20 1 DHW max 23 78 480 25 6 87 350 15 5 6 1 46 3 DHW min 7 23 880 7 8 26 610 1 4 0 55 14 1 CH max 20 68 240 22 2 75 750 26 5 10 6 14 0 1 8 CH min 10 34 120 11 1 37 870 6 8 2 7 7 0 0 9 DHW max 23 78 480 25 6 87 350 35 14 0 16 0 2 1 DHW min 7 23 880 7 8 26 610 3 2 1 3 4 1 0 6...

Страница 6: ... WATER Modulating 7 to 23 kW OUTPUT TO CENTRAL HEATING 10 to 20 kW MAXIMUM COLD SUPPLY PRESSURE 12 bar 180 psi CENTRAL HEATING CIRCUIT NOMINAL FLOW T 30 C 10 l m PRESSURE HEAD CORRESPONDING TO NOMINAL FLOW 0 2 bar CENTRAL HEATING FLOW TEMPERATURE 45 C 90 C MAXIMUM ADMISSIBLE PRIMARY WATER PRESSURE 2 65 bar DOMESTIC HOT WATER PRODUCTION WATER FLOW SELECTOR TURNED COMPLETELY TO THE RIGHT TEMPERATURE...

Страница 7: ...ns given in BS 5440 2 this appliance may be fitted in a compartment with no vents as long as the minimum clearances stated in Section 6 Air Supply are maintained 4 7 The airing space must be separated from the boiler space by a perforated non combustible partition Expanded metal or rigid wire mesh is acceptable provided that the major dimension is less than 13mm See BS 6798 1987 4 8 No combustible...

Страница 8: ...nifold 43 Central heating flow 45 Gas Inlet 47 Central heating return 101 Boiler cabinet 102 Flame viewing hole 103 Facia 114 Sanitary Hot and Cold 320 Appliance mounting bracket 341 Nut and olive 22mm compression 342 Nut and olive 15mm compression 343 Gas cock 401 Fibre Washer 402 Adapter 403 Nut ...

Страница 9: ...r balcony level 300 mm 12 in From a surface facing a terminal 600 mm 24 in A B C D E F G H TERMINAL POSITION MIN DISTANCE I From a terminal facing a terminal 1200 mm 47 in J From an opening in a car port e g door window into dwelling 1200 mm 47 in K Vertically from a terminal on the same wall 150 mm 6 in L Horizontally from a terminal on the same wall 300 mm 12 in M From door window or air vent ac...

Страница 10: ... circulation an extra expansion vessel is required 7 Sealed Primary Systems See Figs 5 and 6 7 1 The system must comply with the requirements of BS 6798 and BS 5449 7 2 The appliance must not be operated without the system being full of water properly vented and pressurised 7 3 The sealed system must only be filled by a competent person using one of the approved methods shown in figure 6 The syste...

Страница 11: ...11 Fig 7 System filling and make up ...

Страница 12: ...equirements and if necessary reference should be made to the local Water Company before fitting the appliance 8 2 MAINS COLD WATER INLET Devices capable of preventing the flow of expansion water must not be fitted unless separate arrangements have been made 8 3 The final 600mm of the mains cold water connection to the appliance should be made in copper tube only 8 4 The appliance is suitable for a...

Страница 13: ...int for the casing Earth connection point for the electrical mains connection ionization current testing point Fig 10 2 Flue temperature limiter 18 Circulation pump 32 Flame sensor 36 Primary temperature sensor NTC 61 Reset button Indicator Light 84 3 way diverter valve 96 Water flow sensor micro switch 135 Master switch 136 Central heating temperature adjustment 151 Fuse T2 5A 250V 153 Transforme...

Страница 14: ...ition to the flue turret The flue turret can be replaced by a flue bend with no reduction in flue length Flue components 1 Adapter boiler to turret 2 Adapter item 1 to vertical flue 3 Flue Turret 4 Standard air duct 5 Standard flue duct 6 Restrictor rings 4 off Fan inlet 7 Flue terminal 8 Extension air duct 9 Extension flue duct 10 In line flue elbows 45 and 90 IMPORTANT To ensure the correct oper...

Страница 15: ...treated in accordance with the recommendations of BS 7593 1992 A gas cock is supplied but not located on the manifold therefore the final gas connection can only be made after the appliance has been mounted on the wall see fig 3 Brush off any dust or dirt from the valves Lift the appliance onto the top mounting plate and the lower pre plumbing manifold Make up the water connections ensuring that t...

Страница 16: ...ot be necessary to cut the extension ducts 0 88m to 1 10m 1 63m to 1 85m or 2 38m to 2 5m Each extension duct must be connected to the first section of flue or the previous extension duct by firstly fitting the inner flue ducts together and pilot drilling and fixing see fig 19 Then the outer air ducts can be similarly fixed using the pair of screws provided The flue terminal section can then be te...

Страница 17: ...er with the socket on the appliance slide or twist the turret into the boiler flue connection as described in section 10 4 preceding together with the appropriate restrictor ring 1 Adapter boiler to turret 2 Adapter item 1 to vertical flue Rubber sealing gasket Flue terminal Clamping ring 1 Flue centering ring 2 Air duct 3 Flue duct 1 3 2 4 5 4 Rubber sealing gasket 5 Flue terminal 10 6 FLUE BENDS...

Страница 18: ...s must pass through the appropriate space in the control panel and be fixed with the cable clamps provided Refit the control panel cover Test the gas supply pipework up to the appliance for soundness as indicated in BS 6891 Refer to Section 11 for a full description of the filling venting and the pressurising of the system If the appliance is not to be commissioned immediately replace the cabinet ...

Страница 19: ...ts Set the Operating Switch to OFF and the burner will go out 11 5 COMPLETION OF COMMISSIONING Disconnect the pressure gauge and tighten the test point screw Restart the appliance and check for gas soundness around the test point screw Refit the cabinet casing 11 Commissioning The Appliance 11 1 SUMMARY Domestic Hot Water System Check that the mains water supply has been fully flushed out at insta...

Страница 20: ...cover from the gas setting screw 2 Unscrew the throttle screw no 1 fig 25 and connect the pressure gauge 3 Open the gas tap and switch on the appliance 4 Set the temperature selector to position 7 no 3 fig 25 5 Gauge the burner pressure for the required power taking into consideration the model type see Table 4 Adjust burner pressure using the gas setting screw no 2 fig 25 Turning clockwise lowers...

Страница 21: ...on 7 outflow temperature of heating system up to 90 C Turn the main switch to to the left The timer will only work for 70 hours in the case of electricity failure read timer s operating instructions Turning the water flow selector anti clockwise will increase the flow and reduce the water temperature Turning the water flow selector clockwise will reduce the flow and increase temperature G766_152 I...

Страница 22: ...g screws and slide off the top cover plate Cover the gas supply to burner orifice Inspect the finned copper heat exchanger and clean as necessary using a soft brush Re assemble the appliance in the reverse order 13 5 TEST THE APPLIANCE On completion of the service and reassembly of the appliance check for gas soundness and the correct operation of the appliance as described in Section 11 Commissio...

Страница 23: ...connections on the flow and return pipe tails to the heat exchanger Slacken and lower the two locking nuts retaining the heat exchanger to the inner casing base Remove the two screws from the heat exchanger top retaining plate and remove the plate Lift up the heat exchanger and remove forwards Remove the limit stat electrical connections located at the top RH side of the heat exchanger Undo the sc...

Страница 24: ...ated approximately midway up on the vertical gas inlet pipe and remove the gas valve and inlet pipe as a unit Unplug the electrical connection from the valve solenoid Fit the replacement valve in the reverse order ensuring that the face to face joint are located correctly Following the replacement of all the associated parts open the valves and fill and re pressurise the system as described in Sec...

Страница 25: ...Disconnect the mains input cable from the screw terminals and pull off the earth lead from the spade terminal and pull away the cable locking clamp from the base Any other external control wiring should be removed in a similar manner Pull off the two edge connectors for the fan and pump supplies also the earth leads from the spade terminals and release the cable clamp Pull off the ignition leads f...

Страница 26: ...Exchanger 8 705 406 203 10 Automatic Air Vent 8 718 505 028 11 System Pressure Gauge 8 717 208 047 12 Thermometer 8 717 208 027 13 Pressure Relief Valve 8 717 401 022 14 Circulating Pump 8 717 204 192 15 Expansion Vessel 8 705 407 001 16 Diverter Valve 8 708 505 014 17 DHW Flow Regulator Valve 8 707 002 628 18 Micro switch assembly 8 707 200 007 19 Domestic Water Filter 8 700 507 001 20 Fan 8 707 ...

Страница 27: ...27 Fig 27 ...

Страница 28: ...owing table 9 Turn on the gas service cock and electrical supply 10 Confirm for gas soundness turn on a hot water tap for maximum hot water output check all the gas connection points 11 Readjust the burner gas pressure for the new gas type according to the values in table 4 When this is done seal the adjusting screw with the wire and lead seal 12 Fix the sticker next to the data plate 13 Remount s...

Страница 29: ...y 4 seconds Pressure sensing tube not connected to air pressure switch Re connect Air pressure sensing tube kinked Re align tube Damaged pressure sensing tube Replace as required Wiring to air pressure switch damaged or incorrectly connected check connections or if damaged replace wiring Flue ducts are to long Check design of flue system and revise layout of system as required Incorrect restrictor...

Страница 30: ...30 19 Functional Flow Diagrams ...

Страница 31: ...31 ...

Страница 32: ...booklet is accurate at the date of printing but will be superseded and should be disregarded if specifications and or appearances are changed in the interests of continued improvement All goods sold are subject to our official Conditions of Sale a copy of which may be obtained on application 6 720 605 553 PT 2000 11 ...

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