Ravenheat HE 25 S COMPACT Instructions For Use Installation And Servicing

High efficiency condensing combination boiler

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Instructions for Use

Installation and Servicing

To be left with the user

HIGH EFFICIENCY

CONDENSING

COMBINATION BOILER

HE 25 S COMPACT

Natural Gas (G20) II

LPG (G31) II

2H3P

HE 30 S COMPACT

Natural Gas (G20) II

LPG (G31) II

2H3P

Technical and illustrative data are not binding and can be modiﬁ ed without prior notice.

The descriptions and illustrations in the present booklet are for guidance purposes only.

Website: www.ravenheat.co.uk - E-mail: sales@ravenheat.co.uk

2H3P

RAVENHEAT MANUFACTURING LTD

CHARTISTS WAY, MORLEY, LEEDS, U.K. LS27 9ET

TEL.: 0113 252 7007

1312

FAX: 0113 238 0229

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Summary of Contents for Ravenheat HE 25 S COMPACT

Page 1 Instructions for Use Installation and Servicing To be left with the user HIGH EFFICIENCY CONDENSING COMBINATION BOILER HE 25 S COMPACT Natural Gas (G20) II 2H3P LPG (G31) II 2H3P HE 30 S COMPACT Natural Gas (G20) II 2H3P LPG (G31) II...
Page 3 GENERAL INFORMATION: GLUES AND SEALANTS - exercise caution - if these are still in liquid form. RAVENHEAT use only high quality material for production of this product, in an eﬀ ort to protect the environment wherever possible components should be recycled.
Page 6: User Controls
Heating system pressure is not less than 1 bar. If it is below this it will be necessary to re-pressurise the Your Ravenheat Condensing Low Nox combination boiler system, between 1 and 1.5 bar to allow the boiler to has been designed to supply your Central Heating and operate.
Page 7 - P008: Weather compensator control. Press once to view the central heating 0= Normal remote control. temperature set-point (boiler must be in winter 1= Ravenheat remote control with mode). D.H.W. selection in boiler. Press the arrow up or the arrow down buttons 2= Honeywell remote control.
Page 8 1.5 DIGITAL DISPLAY Fig. 2 1 - Day indicator: 6 - Central Heating: when the appliance (time clock version only) is in central heating mode icon 6 will ﬂ ash. 1. Monday 7 - Current time. 2. Tuesday 8 - Oﬀ (time clock version only): when the digital 3.
Page 9 PROGRAMMING THE HEATING TIMES NB: If setting the times in a group, the days in (time clock version only) the group will all be the same, however days not in this group will remain at the default time. The appliance incorporates a digital clock For example, setting Mon-Sat will change all programmed with a default heating pattern (see these days but Sunday will remain the same...
Page 10 2.0 GENERAL LAYOUT (Fig. 3) Fig. 3 1 - C.H. ﬂ ow 22 - Silencer 2 - D.H.W. outlet 12 - C.H. return sensor 23 - Condensate trap 3 - Gas inlet 13 - Fan 24 - Plate heat exchanger 4 - D.H.W.
Page 11 2.1 OPERATING SCHEME (Fig. 4) Fig. 4 1 - Flue temperature sensor 10 - Overheat cut off thermostat 19 - Plate heat exchanger 2 - Main heat exchanger 11 - CH ﬂ ow sensor 20 - DHW sensor 3 - Sensing electrode 12 - Gas valve 21 - DHW ﬂ...
Page 12 INTRODUCTION When starting, the fan will always start at the This boiler is designed for the production of set-point speed. central heating and domestic hot water combined in one unit. The boiler is ﬁ tted with an anti-cycling device It is ﬁ tted with an automatic domestic hot on the control board.
Page 13 When there is a demand for domestic hot SAFETY DEVICE water, the burner and pump perform as they do during central heating except that In both central heating and domestic hot the burner is commanded by the DHW water mode safe operation is ensured by a thermostat.
Page 14 3 TECHNICAL DATA HE 25 S Compact TABLE 2/A NATURAL GAS (G 20) П 2H3P Nominal heat Input net QMS 21.0 kW Minimum heat Input net 3.7 kW Nominal heat output 20.4 kW Nominal heat output condensing 22.1 kW Minimum heat output 3.5 kW...
Page 15 TECHNICAL DATA HE 25 S Compact TABLE 2/B LPG ( G 31) П 2H3P Nominal heat Input net QMS 21.0 kW Minimum heat Input net 3.7 kW Nominal heat output 20.4 kW Nominal heat output condensing 22.1 kW Minimum heat output 3.5 kW...
Page 16 TECHNICAL DATA HE 30 S TABLE 2/C NATURAL GAS (G 20) П 2H3P Nominal heat Input net QMS 25.0 kW Minimum heat Input net 4.0 kW Nominal heat output 24.3 kW Nominal heat output condensing 26.4 kW Minimum heat output 3.7 kW Minimum heat output condensing 4.2 kW...
Page 17: Nominal Heat Input Net Qms
TECHNICAL DATA HE 30 S TABLE 2/D LPG (G 31) П 2H3P Nominal heat Input net QMS 25.0 kW Minimum heat Input net 4.0 kW Nominal heat output 24.3 kW Nominal heat output condensing 26.4 kW Minimum heat output 3.7 kW Minimum heat output condensing 4.2 kW Inlet pressure...
Page 18: General Requirements
It is recommended that tools NOTE: suitable for brass fittings are used, and have The Ravenheat HE 25/30 S Compact combi a capability to accommodate hexagon sizes boiler has been tested and examined by up to 50 mm.
Page 19 Regulations applicable in Scotland, with any way as overriding statutory obligations. respect to the installation of the combination If in doubt on any point please consult Ravenheat. boiler in a room or internal space containing a bath or shower. LOCATION OF BOILER...
Page 20 Allowing for the acceptable pressure loss of 1 IMPORTANT NOTICE: If the ﬂ ue terminates mbar across the installation pipework, it can be below a balcony, above the ground, above a assumed that a minimum permitted operating ﬂ at roof to which people have access, then pressure of 18 mbar (nat gas) will be delivered a suitable terminal guard must be ﬁ...
Page 21 4.11 BOILER INTERLOCK CONTROL 4.10 PIPEWORK Central heating system controls should be Copper tubing to BSEN 1057:1 2006, BSEN installed to ensure the boiler is switched off 1172, BSEN 1652 and BSEN 1653, is when there is no demand for heating, in recommended for water pipes.
Page 22: Air Release Points
4.13 AIR RELEASE POINTS It can accept up to 7 L of expansion water These must be fitted at all high points where If the appliance is connected to a system with air will naturally collect, and must be sited to an unusually high water content, calculate facilitate complete filling of the system.
Page 23: Litre
Ravenheat recommend the old system with recommended descaling use of FERNOX or SENTINEL, or other agent. treatment products recognised by Ravenheat BS 7593:2006 details the steps necessary which must be used in accordance with the manufacturer’s instructions.
Page 24 A plume management kit accordance with the current I.E.E. Regulations is available. (see section 5.7 ﬁ g 12) and local regulations which apply. Ravenheat boiler is supplied with a connection to a 230 V UNPACKING OF BOILER ~ 50 Hz single phase supply.
Page 25 5.5 FLUE TERMINAL POSITION...
Page 26 5.6 OPTIONAL EXTRAS HORIZONTAL FLUE KIT BOX CONTAINING IMPORTANT: Please lubricate the (Fig 10): internal part of the seals before fitting. 52 - Self-cutting joint securing screw 57 - Elbow header 59 - Rubber seal Ø 60 Generally speaking, oils and greases are not 56 - Rubber seal Ø...
Page 27: Flue Exhaust Deflection Bend
FLUE EXHAUST DEFLECTION BEND (Fig 12a) PLUME MANAGEMENT KIT (Fig 12) Flue exhaust deﬂ ection bend are also available. Max 6000 mm ﬂ ue extension duct as an These come in both 45° and 90° degree versions. extra cost only when requested to reduce These bends ﬁ...
Page 28 Extensions must be installed with the widened INSTALLING THE APPLIANCE FOR REAR end of the pipe and the tapered end of the flue FLUE OUTLET (Fig. 13, 16, 17, 18). pipe aimed towards the exhaust terminal. FOR APPLIANCE CLEARANCES SEE SECT.
Page 29 REAR FLUE OUTLET NOTE: The position of the appliance must provide minimum side clearances of 5mm as the side panels do not require removing for servicing. However, if the option is preferred to remove the panels then a minimum clearance of 55mm is required. Fig 13 Insert the flue assembly into the wall, making Extensions must be joined together with the...
Page 30 NOTE: A suitable support bracket (flue 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.
Page 31 5.10 COMPLETING HORIZONTAL FLUE INSTALLATION. Ensure the flue system has been checked for soundness, is stable and secure. Where the horizontal flue terminal passes through the external wall, it is essential that the flue must be sealed on both in exterior and interior part of the wall, and securing screws fitted.
Page 32 5.13 VERTICAL FLUE INSTRUCTION ONLY (Fig. 19-20-21) SEE SECT. 4.10 FOR PERMISSIBLE FLUE POSITION IN-LINE FLUE BEND - 1000 mm MUST BE DEDUCTED FROM OVERALL LENGTH FOR EACH 90° BEND OBTUSE FLUE BEND - 500 mm MUST BE DEDUCTED FROM OVERALL LENGTH FOR EACH 135° BEND. The vertical flue kit is intended for use where L + L = 8m Max a horizontal flue outlet is not possible or desired.
Page 33 Fit a roof flashing slate to the roof, available from outer (flue) joint by inserting the spigot end into Ravenheat. Insert the Vertical Flue terminal assembly the socket end of the next tube, making sure the through the flashing slate from the outside.
Page 34 5.14 INSTALLATION INSTRUCTIONS FOR TWIN FLUE PIPE (ECCENTRIC FLUE DUCT SYSTEM) TABLE 7 Part. No Description SDO160050 Twin ﬂ ue header F80/F80 PRO110200 Straight pipe L.1000 80 CUR110150 90° elbow bend 80 CUR110200 45° bend 80 GRI110050 Air inlet terminal 80 GRI110100 Exhaust terminal 80 TER060110...
Page 35 25 mm fall per metre. Available on request from: 5.18 Exhaust/suction system with two separate RAVENHEAT MANUFACTURING LTD pipes through a single vertical wall (ﬁ g. 26). Chartists way, Morley, Leeds, West Yorkshire ENGLAND LS27 9ET - U.K. Maximum distance: D = L + L1 = 37 metres...
Page 36 Flue Extension 80/125 L1000 RID110050 125/80 to 100/60 Flue reducer Available on request from: CUR110250 45° ﬂ ue bend 80/125 RAVENHEAT MANUFACTURING LTD CUR110300 90° elbow ﬂ ue bend 80/125 Chartists way, Morley, Leeds, West Yorkshire TER010050 Horizontal Flue Terminal 80/125 ENGLAND LS27 9ET - U.K.
Page 37 5.20 ASSEMBLE BOILER 5.24 DOMESTIC HOT WATER CONNECTION (Fig. 29) 5.21 Fitting valve pack Remove plastic caps from boiler connection The domestic hot water circuit does not need and fit valves as per fig. 29 using the washers a safety valve but it is essential to ensure that provided.
Page 38 5.26 SAFETY VALVE DISCHARGE It is recommended that any external condensate The safety valve is located to the rear drain pipe is insulated and also must be of 40 (15 mm copper) to permit a discharge pipe mm (1” 1/2) diameter, through the outside wall to to be connected.
Page 39 If the supply cord is damaged, it must be - When controls external to the appliance are replaced by a service engineer (supply required, design of the external electrical cord available from Ravenheat). circuits should be undertaken by a competent person. In accordance with the 5.29 OUTDOOR SENSOR IEE wiring regulations.
Page 40 INITIAL FILLING OF THE SYSTEM FILLING THE HOT WATER SYSTEM Open central heating flow and return valves Close all hot water draw-off taps. Unscrew the cap on automatic air release valve Open the cold water inlet cock. positioned on the top of the pump housing one Slowly open each draw-off tap until clear water full turn (leave open permanently).
Page 41 - The ignition control will automatically make Anti-clockwise to increase CO three attempts to start, if it doesn’t start this Clockwise to decrease CO may be due to air in the gas supply line. After any new regulation wait to stabilise If the burner fails to light, the digital led for about one minute.
Page 42: L/Min.
ATTENTION IT IS A CONDITION OF THE MANUFACTURERS WARRANTY THAT THE BENCHMARK COMMISSIONING CHECKLIST IS FULLY COMPLETED AND LEFT WITH THE APPLIANCE Once the process of commissioning the boiler is complete, the commissioning engineer MUST complete the relevant section in the Benchmark log book. 6.10 CHECKING THE FLUE SYSTEM - If the cold supply is subject to large...
Page 43 6.15 RANGE RATING CENTRAL HEATING TABLE 10/A OR/AND DOMESTIC HOT WATER The boiler comes set, in Central heating, at the MID RANGE of its output. The boiler has already been adjusted by the manufacturer during production. If the adjustments need to be made again, observe the following procedures.
Page 44 SERVICING INSTRUCTIONS 7.1 BOILER FROST PROTECTION Ravenheat is a member of the Benchmark The appliance has a built in frost protection initiative and fully supports the aims of the device that protects the boiler from freezing. programme. With the gas and electric supplies ON and...
Page 45 - IMPORTANT NOTE: After completing any servicing or replacement of gas carrying components it is essential that a test for gas soundness is always carried out along with functional checks in operation. TO INSPECT AND CLEAN THE APPLIANCE Before carrying out the cleaning operation, cover the electrical control panel with a piece of waterproof material to protect it from debris.
Page 46 REPLACEMENT OF PARTS 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 turned off at the service cock on the boiler. Fig.
Page 47 TO REMOVE/ REPLACE THE TO REMOVE/REPLACE THE BURNER ELECTRODES (Fig.37) (FIG.42) Remove the front panel (fig. 39). Remove the front panel (fig. 39). Remove the ignition and/or sensing lead Unscrew the gas pipe nut and remove plug. the retaining clip. Detach the connectors Unscrew the securing screws with a from the fan.
Page 48 TO REMOVE/REPLACE EXPANSION VESSEL (Fig.43) Remove the front and bottom panels (fig. 39-40). Close the on/off valves for the heating circuit and drain the water at the drain point (fig.36). Unscrew the fixing bracket and the nut connecting the expansion vessel. Lift up the vessel and remove.
Page 49 8.12 TO REMOVE/REPLACE DIVERTER 8.14 TO REMOVE/REPLACE D.H.W. VALVE MOTOR (Fig. 46) DIVERTER VALVE MECHANISM ( Fig. 46) Remove the front and bottom panels (fig. 39-40). Remove the front and bottom panels Detach the electrical plug and remove the (fig. 39-40). retaining clip.
Page 50 8.17 TO REMOVE/REPLACE SAFETY RELIEF VALVE (Fig. 46) Remove the front and bottom panels (fig. 39-40). Close the on/off valves for C.H. circuit and drain the water from at drain point fig.36. Unscrew the safety relief valve screw and pull up. Replace in reverse order and using a new gasket.
Page 51 8.22 TO REMOVE PANEL CONTROL BOX (Fig. 50,51). Fig.50 Remove the front panel (fig. 39). Pull the control panel box until it is slightly out of the boiler. As doing so move the box forward until the control box becomes free. This will allow free access to lower part of the boiler.
Page 52: Fault Finding Central Heating
9 FAULT FINDING CENTRAL HEATING Before trying to operate the boiler make sure that: all gas supply cocks are open and the gas 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.
Page 53 FAULT FINDING DOMESTIC HOT WATER 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 check the following appliance operations:...
Page 54 ELECTRICAL SYSTEM DIAGRAM Fig. 55...
Page 55 SPARE PARTS Fig. 56...
Page 56 SHORT LIST OF SPARE PARTS AND FLUE ACCESSORIES Pos. Part. No. G.C. Description Part. No. CIR150200 Control board FUS010150 Internal fuse 3.15 A SCA190050 Control board box with panel instrument CIR190100 Digital display SCA190050 Instrument panel with control board box GUA010310 1”...
Page 57 Pos. Part. No. G.C. Description Part. No. SIL150050 Silencer MIX150050 HE 25 S air/gas mixer 40.1 MIX150150 HE 30 S air/gas mixer ORI110050 Air/gas mixer - fan O-ring VEN160050 GUA110052 Fan - burner gasket BRU160100 Burner GUA150050 Sensing/spark electrode gasket CAN160100 Sensing electrode CAN160050...
Page 58 Plume Management Kit (see sect. 5.6) Part. No. Description TER160050 1 metre high plume kit CUR110050 45° ﬂ ue exhaust deﬂ ection bend CUR110100 90° ﬂ ue exhaust deﬂ ection bend Accessories concentric flue 60/100 (see sect. 5.12 - Table 7) Part.
Page 59 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 aﬀ ect the accuracy of the information contained in this leaﬂ et. COD 0017LIB19005/0 04/2018...
Page 60 For condensing boiler only Central heating mode Condensate drain………………………………..38/39 For all boilers: complete, sign & hand over to the customer. Heat input………………………………….to be calculated For assistance please call Ravenheat technical helpline: telephone: 0113 252 7007 fax: 0113 238 0229 e-mail: sales@ravenheat.co.uk...
Page 63 Benchmark Commissioning and Servicing Section www.centralheating.co.uk...
Page 64 FLOWCHART FOR CO LEVEL AND COMBUSTION RATIO CHECK ON COMMISSIONING A CONDENSING BOILER...
Page 65 12.1 ANALYSER CHECK LIST...
Page 67 SERVICE RECORD It is recommended that your heating system is serviced regularly and that the appropriate Service Interval Record is completed. Service Provider SERVICE 01 SERVICE 02 SERVICE 03 SERVICE 04 SERVICE 05 SERVICE 06 SERVICE 07 SERVICE 08 SERVICE 09 SERVICE 10...

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Ravenheat HE 25 S COMPACT Instructions For Use Installation And Servicing

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