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Ravenheat HE 25 S COMPACT, Instructions For Use Installation And Servicing

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Ravenheat HE 25 S COMPACT Instructions For Use Installation And Servicing Download Page 11

      

11

  
   KEY 

1 - Flue temperature sensor
2 - Main heat exchanger
3 - Sensing electrode
4 - Spark electrode
5 - CH return
6 - CH fl ow
7 - Condensate drain
8 - Fan
9 - CH return sensor

      
       10  - Overheat cut off thermostat
       11 - CH fl ow sensor
     12 - Gas valve                  

13 - Expansion vessel
14 - Automatic air vent
15 - Pump
16 - Water pressure transducer
17 - Safety pressure system
18 - Diverter valve motor

19  - Plate heat exchanger
20 - DHW sensor  
21 - DHW fl ow sensor
22 - Gas service cock
23 -  CH compression ball valve
24 -  DHW compression ball valve
25 -  CH compression ball valve

2.1   OPERATING SCHEME (Fig. 4)

      Fig. 4

Summary of Contents for HE 25 S COMPACT

Page 1: ...MANUFACTURING LTD CHARTISTS WAY MORLEY LEEDS U K LS27 9ET TEL 0113 252 7007 FAX 0113 238 0229 Website www ravenheat co uk E mail sales ravenheat co uk Instructions for Use Installation and Servicing T...

Page 2: ...2...

Page 3: ...heat exchanger for high thermal ue transfer from gases to water Stainless steel plate heat exchanger for super high heat transfer to domestic hot water supply Built in frost protection Printed circui...

Page 4: ...4...

Page 5: ...5...

Page 6: ...quired Top clearance The top clearance should be a minimum of 125 mm Bottom clearance A minimum bottom clearance of 80 mm is required between the appliance and any surface though 150 mm is preferred w...

Page 7: ...ature DHW power of modulation fan speed FAN the display show 2 digits e g 20 2000 rpm external temperature if the external probe is present OTC error history error history error history error history...

Page 8: ...to con rm after this the day indicator will begin to ash on the display 4 Press the up and down arrow buttons item 3 and 4 g 1 to select the current day 1 Mon 2 Tue etc and then press the ENTER butto...

Page 9: ...ame however days not in this group will remain at the default time For example setting Mon Sat will change all these days but Sunday will remain the same as table 1 unless changed individually If you...

Page 10: ...Pump 9 Safety pressure relief valv 10 Water pressure 11 Automaticairvent 12 C H returnsensor 13 Fan 14 Expansion vessel 15 Spark electrode 16 Fluetemperaturesensor 17 Mainheatexchanger 18 Sensingelec...

Page 11: ...heatcutoffthermostat 11 CH ow sensor 12 Gas valve 13 Expansion vessel 14 Automatic air vent 15 Pump 16 Water pressure transducer 17 Safety pressure system 18 Diverter valve motor 19 Plateheatexchanger...

Page 12: ...alve motor moves to exclude the central heating circuit the boiler automatically modulates to maintain the domestic hot water at a constant temperature The water temperature can be regulated by the di...

Page 13: ...winter mode if there is no demand for heat to the central heating system or until the digital clock and room thermostat if tted demands the central heating circuit 2 8 SAFETY DEVICE In both central h...

Page 14: ...0 C rise Minimum ow rate C H 350 l h D H W ow rate 30 C rise 11 9 l min D H W ow rate 35 C rise 10 2 l min D H W ow rate 40 C rise 8 9 l min 10 C Inlet temperature D H W temperature Max 60 C min 35 C...

Page 15: ...erating temperature Max 80 C min 35 C Design ow rate 1066 I h 20 C rise Minimum ow rate C H 350 l h D H W ow rate 30 C rise 11 9 l min D H W ow rate 35 C rise 10 2 l min D H W ow rate 40 C rise 8 9 l...

Page 16: ...min 35 C Design ow rate 1811 I h 20 C rise Minimum ow rate C H 350 l h D H W ow rate 30 C rise 14 0 l min D H W ow rate 35 C rise 12 0 l min D H W ow rate 40 C rise 10 5 l min 10 C Inlet temperature...

Page 17: ...n 35 C Design ow rate 1811 I h 20 C rise Minimum ow rate C H 350 l h D H W ow rate 30 C rise 14 0 l min D H W ow rate 35 C rise 12 0 l min D H W ow rate 40 C rise 10 5 l min 10 C Inlet temperature D H...

Page 18: ...ed and serviced by a Gas Safe registered installer in accordance with the above regulations and these installation instructions All registered installers carry a Gas Safe I D card and have a registrat...

Page 19: ...containing a bath or shower Where a room sealed appliance is installed in a room containing a bath or shower any electrical switch or appliance control utilising mains electricity should be situated...

Page 20: ...rnative ue instructions Flue must be positioned in a place not likely to cause a nuisance from pluming IMPORTANT NOTICE If the ue terminates below a balcony above the ground above a at roof to which p...

Page 21: ...1057 1 2006 BSEN 1172 BSEN 1652 and BSEN 1653 is recommended for water pipes Jointing should be either capillary soldered or with compression fittings Where possible pipes should have a gradient to en...

Page 22: ...ed to a system with an unusually high water content calculate the total expansion see table 3 and add additional sealed expansion capacity as appropriate Fig 7 In general modern systems below 7 L shou...

Page 23: ...his boiler has a stainless steel heat exchanger Ravenheat recommend the use of FERNOX or SENTINEL or other treatment products recognised by Ravenheat which must be used in accordance with the manufact...

Page 24: ...ce except where the appliance is installed in a bathroom The current electrical IEE Wiring regulations must be followed in UK 5 INSTALLATION 5 1 WARNING It is MOST IMPORTANT that this appliance is ins...

Page 25: ...5 5 FLUE TERMINAL POSITION 25...

Page 26: ...OX CONTAINING Fig 10 52 Self cutting joint securing screw 57 Elbow header 59 Rubber seal 60 56 Rubber seal 100 60 Fumes sample point 61 Flue exhaust duct 62 Air intake duct 69 Air sample point 127 Ter...

Page 27: ...ng Fig 12a FLUE EXHAUST DEFLECTION BEND Fig 12a Flue exhaust de ection bend are also available These come in both 45 and 90 degree versions These bends t directly onto the ue exhaust terminal to de ec...

Page 28: ...order for flue extension of up to a total overall length of 8 metres fig 18 Each extension length extends the pipe by approximately 1000 mm long up to a maximum of seven extensions Extensions must be...

Page 29: ...on 5 5 Extensions must be installed with the widened end of the air intake pipe and the tapered end of the flue pipe aimed towards the exhaust terminal NOTE The position of the appliance must provide...

Page 30: ...ue bracket is available from Ravenheat and should be used to support the flue length at least every one metre preferably at each joint this bracket should be secured to wall and flue duct SIDE FLUE OU...

Page 31: ...ust duct 62 Terminal 65 Flue manifold rubber seal 66 Securing screw 67 Flue temperature sensor 69 Air sample point 127 Terminal Rubber wall seal Fig 16 IN LINE FLUE BEND Measure the distance between t...

Page 32: ...bend fig 19 Proceed with installation as detailed in section 5 ignoring all references to horizontal flue installations Use adhesive tape to attach the template to the wall making sure that the centre...

Page 33: ...e from the outside Lift the boiler on the wall locating onto the top two fixing bolts Tighten the two bolts using a spanner to secure to the wall Measure the vertical distance between the top of the f...

Page 34: ...item 66 g 17 on the ue adapter Make sure that the heat exchanger rubber seal is located and lubricate the internal part of the seal before assembly Locate the header gasket on the twin ue header and p...

Page 35: ...NOTE Exhaust ue must slope 1 5 down towards the boiler 25 mm fall per metre Exhaust suction system with two separate pipes through a single vertical wall g 26 Maximum distance D L L1 37 metres Minimum...

Page 36: ...t ue header sample point 60 100 PRO110300 Flue Extension 80 125 L1000 RID110050 125 80 to 100 60 Flue reducer CUR110250 45 ue bend 80 125 CUR110300 90 elbow ue bend 80 125 TER010050 Horizontal Flue Te...

Page 37: ...ections are made to the boiler all system valves should be opened and the system thoroughly flushed out with cold water Connect the central heating return pipe to the isolating cock Connect the centra...

Page 38: ...Fig 49 The drain pipe should have a fall of a least 2 5 away from the boiler Condensate should if possible be discharged into the household internal drainage system If this is not practicable dischar...

Page 39: ...ontinuity polarity resistance to earth and short circuit using a suitable test meter Fig 33 Fig 34 5 28 EXTERNAL CONTROLS IMPORTANT Electricity supply must be as specified in clause sect 4 22 When con...

Page 40: ...up to max of 1 5 bar N B The safety valve is set to lift at 3 bar 30 m 42 5 psi To lower the system pressure to the required value unscrew the drain point fig 36 or drain on the heating circuit 6 5 F...

Page 41: ...purged of air set the heating temperature to the desired setting 6 8 CHECK THE GAS PRESSURE Check the gas mains pressure at the gas valve inlet pressure test point fig 35 with the boiler operating at...

Page 42: ...nd on the rate at which it flows If due to high water pressure the flow rate is too high and the temperature too low for practical use the flow rate may be adjusted It is better to set for the lowest...

Page 43: ...speed see tables 10 A and 10 B Press INFO and arrow down buttons together item 6 and 4 fig 1 for 5 seconds to enter in USER PARAMETERS mode Use arrow up and arrow down buttons item 3 and 4 fig 1 to se...

Page 44: ...7 1 BOILER FROST PROTECTION The appliance has a built in frost protection device that protects the boiler from freezing With the gas and electric supplies ON and irrespective of any room thermostat s...

Page 45: ...oose debris from the combustion chamber using a soft brush and vacuum cleaner Carefully flush by spraying water at any remaining debris through the condensate trap Ensure the water is kept away from e...

Page 46: ...ENT OF PARTS 8 1 GENERAL Replacement of parts must be carried out by a competent person Before replacing any parts the boiler should be isolated from the mains electric supply and the gas should be tu...

Page 47: ...from the fan Unscrew the four screws that fits the burner door to the heat exchanger and remove it Remove the electrodes sect 8 5 and remove the insulation pad is helpful to use a screwdriver to move...

Page 48: ...djust if necessary see section 6 9 8 10 TO REMOVE REPLACE PLATE HEAT EXCHANGER Fig 44 Remove the front and bottom panels fig 39 40 Remove the panel control box sect 8 22 Close off the on off valves fo...

Page 49: ...36 Detach the supply wire connector from the pump Unscrew the nut that fastens the pump to the CH pipe and remove the pump and remove the securing clip at the pump manifold Replace in reverse order NO...

Page 50: ...39 Detach the wire connector and remove the retaining clip sensor from the pipe NOTE When reconnecting ensure the correct wires go to the relevant sensor the polarity on each one is unimportant 8 20 T...

Page 51: ...and lift up Replace in reverse order 8 24 TO REMOVE REPLACE DIGITAL DISPLAY BOARD Remove the front panel fig 39 Remove the panel control box sect 8 22 and let it fix at the depression chamber like in...

Page 52: ...supply has been purged of air The heating system pressure is at least 1 bar min to 1 5 bar max select winter position on the digital display and set the central heating temperature to maximum sect 1 5...

Page 53: ...TER Before continuing see section 9 and after selecting the summer position on the digital display and setting the domestic hot water temperature to maximum sect 1 5 Open the domestic hot tap and chec...

Page 54: ...10 ELECTRICAL SYSTEM DIAGRAM 54 Fig 55...

Page 55: ...55 11 SPARE PARTS Fig 56...

Page 56: ...50 Flow detector switch 18 GRU160060 Flow manifold 19 OTT150050 Diverter valve by pass 20 SON150050 Safety relief valve pipe 21 FOR150150 Diverter valve motor clip 22 MOT150050 Diverter valve motor 23...

Page 57: ...mixer 41 ORI110050 Air gas mixer fan O ring 42 VEN160050 Fan 43 GUA110052 Fan burner gasket 44 BRU160100 Burner 45 GUA150050 Sensing spark electrode gasket 46 CAN160100 Sensing electrode 47 CAN160050...

Page 58: ...cessories concentric flue 80 125 see sect 5 18 Part No Description COL160050 Straight ue header sample point 60 10 PRO110300 Flue Extension 80 125 L1000 RID110050 125 80 to 100 60 Flue reducer CUR1102...

Page 59: ...LS27 9ET Telephone 0113 252 7007 Fax 0113 238 0229 Website www ravenheat co uk E mail sales ravenheat co uk Ravenheat reserves the right to make changes and improvements in our products which may a ec...

Page 60: ...trol to heating 12 For combination boilers only Temperature control to hot water 12 Scale reducer 25 Heating zone valves n a Hot water mode Auto by pass 22 Max operating burner pressure measure and re...

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Page 63: ...63 www centralheating co uk Benchmark Commissioning and Servicing Section...

Page 64: ...64 FLOWCHART FOR CO LEVEL AND COMBUSTION RATIO CHECK ON COMMISSIONING A CONDENSING BOILER...

Page 65: ...65 12 1 ANALYSER CHECK LIST...

Page 66: ......

Page 67: ...the appropriate Service Interval Record is completed Service Provider SERVICE RECORD SERVICE 01 AND AND SERVICE 02 AND AND SERVICE 03 AND AND SERVICE 04 AND AND SERVICE 05 AND AND SERVICE 06 AND AND S...

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