Intergas 18 OV Installation, Service And User Instructions Manual Download Page 6

Intergas Heating Ltd

 

6

 

2

 

SAFETY REGULATIONS 

 

The manufacturer Intergas Heating Ltd accepts no liability whatsoever for damage or injury 
caused by failure to adhere (strictly) to the safety regulations and instructions, or 
carelessness during installation of the Intergas Compact HRE OV High Efficiency wall 
mounted gas fired boiler and any associated accessories. 

 

2.1

 

General 

It is law that all gas appliances are installed by a a Gas Safe registered competent engineer 
and in accordance with the following recommendations: 

 

Current Gas Safety (Installation and Use) Regulations 

 

All current  building regulations 

 

Building Standards (Scotland) Consolidated 

 

This appliance must be installed in accordance with the Gas (Safety and Use) Regulations, 
current Building Regulations, Building Standards (Scotland), I.S.813 Installation of Gas 
Appliances (Ireland), IEE Wiring Regulations (BS 7671), Health and Safety Document No. 
635 (Electricity at Work Regulations) and Local Water Authority Bye Laws 

 

UK Water Regulations and Bye Laws  

 

Health & Safety  

 

2.2

 

The installation 

The installation must comply with the following British Standards codes of practice

:

 

 

BS 5440: Flues and Ventilation for gas appliances of rated input not exceeding 70kW (Part 1 
Flues) 

 

BS 5440: Flues and Ventilation for gas appliances of rated input not exceeding 70kW (Part 2 Air 
Supply) 

 

BS 5546: 2000 Installation of gas hot water supplies for domestic purposes. 

 

BS 5549: 1990 Forced circulation hot water systems 

 

BS 6700: 1997 Design, Installation, testing and maintenance of services supplying hot water 

 

BS 6798: 2000 Specification for installation of gas fired hot water boilers of rated input not 
exceeding 70kW 

 

BS 6891: 1998 Installation of low pressure gas pipe-work installations up to 35mm (RI) 

 

BS 7593: 1992 Code of practice for treatment of water in heating systems 

 

BS 7671: 2001 Requirements for electrical installations, IEE Wiring regulations 

 

Reference should also be made to: 

 

Guide to condensing boiler installation assessment procedures for dwellings 

 

The institute of Gas Engineers document IGE/UP/7 for timber frame dwellings 

 

2.3

 

Approvals 

 
Natural Gas 

 
Intergas Compact HRE OV Pre-mix Condensing Open Vent Boiler 
 
British Gas Service Listing: 
 
Compact HRE 30 OV 

 

G.C.N. 41-291-06 

Compact HRE 24 OV 

 

G.C.N. 41-291-05 

Compact HRE 18 OV  

 

G.C.N. 41-291-04 

 

 
Notified /Body  

 
 
 

 
The Intergas Compact HRE OV range of central heating boilers are manufactured from high quality 
materials and designed for reliability and optimum performance. 
 
Intergas is committed to the continual development of their appliances and reserves the right to 
make changes without notification to ensure their customers benefit from the latest advances in 
combustion technology and energy conservation. 

 
 
 
 
 
 
 
 
 

 

 
 
 
 

 

 

 

 
 
 
 
 
 
 
 
 
 

Gastec   

0063PT3576 

Directive 90/396/EEC 

 

             

Directive 92/42/EEC 

Summary of Contents for 18 OV

Page 1: ...5 30 OV G C 41 291 06 Installation service and user instructions Please read these installation instructions carefully before installing and using the appliance Keep these installation instructions wi...

Page 2: ...Installers are required to carry out installation commissioning and servicing work in accordance with the Benchmark Code of Practice which is available from the Heating and Hotwater Industry Council w...

Page 3: ...different gas type 39 11 Faults 40 11 1 Fault codes 40 11 2 Other faults 40 12 Maintenance 43 12 1 Disassembly 43 12 2 Cleaning 43 12 3 Assembly 44 12 4 Combustion 44 13 Electrical connections 45 13 1...

Page 4: ...gulations currently in force Read these instructions carefully before installing or using the appliance 1 3 Manual handling When moving the boiler always keep your back straight bend your knees don t...

Page 5: ...1 8 Service and technical support For information about specific adjustments installation maintenance and repair work please contact Intergas Heating Ltd Building 94 Bay 1 Vantage Point The Pensnett E...

Page 6: ...d input not exceeding 70kW Part 2 Air Supply BS 5546 2000 Installation of gas hot water supplies for domestic purposes BS 5549 1990 Forced circulation hot water systems BS 6700 1997 Design Installatio...

Page 7: ...Gas consumption G20 m3 h 0 58 1 94 0 75 2 46 0 79 2 80 Gas consumption G31 m3 h 0 22 0 74 0 28 0 94 0 30 1 07 Appliance pressure loss CH mWk See 10 5 See 10 5 See 10 5 NOx class natural gas 5 5 5 NOx...

Page 8: ...55 69 80 Sound power level LWA dB 45 45 50 CAUTION Please read all instructions before fitting this appliance This appliance is not intended for use of persons including children with diminished physi...

Page 9: ...J Mains lead 230 V AC without plug stripped B Flow CH K Condensate trap C Return CH M Ionisation Ignition electrode D Sight glass N Fan E Sensor S1 O Gas valve F Heat exchanger P Position of data plat...

Page 10: ...des direct burner ignition and flame supervision along with continuous modulation of the burner s gas supply 3 3 Parameter list All boiler adjustments are accessible through the parameter list in the...

Page 11: ...tection is active This means that the external pump operates and the exchanger is heated up if the temperature of the water present in it falls too far If the frost protection is actuated code 7 is di...

Page 12: ...tter two however the maximum is the temperature set on the display During CH operation the requested CH supply temperature is indicated on the operating panel The CH supply temperature can be set betw...

Page 13: ...on continuesly in the display the CH water pressure is shown By pressing the button continuesly in the display the ionisation current is shown 4 7 Frost protection FROST PROTECTION To prevent freezing...

Page 14: ...installing is connected to the appropriate connections on the boiler It is important to thoroughly flush the water circuits after isolating the boiler in order to remove any fluxes and debris from the...

Page 15: ...roof 087910 Weather slate flat roof 087372 Extension L 100 incl wall bracket 082975 Horizontal telescopic offset wall terminal Only to be used in combination with the base adapter on the boiler 08129...

Page 16: ...Intergas Heating Ltd 16 Plume management kit 081294 Elbow 90 for plume management kit 081284 Elbow 60 for plume management kit 081285 Extension L 100 incl wall bracket for plume management kit 081286...

Page 17: ...imensions A Supply CH 22 B Return CH 22 C Gas F Condensate drain 25 flexible G Drain PRV 15 H 710 Compact HRE OV 30 H 650 Compact HRE OV 24 H 590 Compact HRE OV 18 Z1 Standard flue pipe 60 100 concent...

Page 18: ...y be realized by opening a cupboard door Flammable fluids and materials must be stored at least 1m away from the boiler The wall on which the boiler is mounted must be sufficiently strong to support t...

Page 19: ...e 9 Connect the flexible tube from the condensate trap to the drain via an open connection The condensate discharge system must be made of plastic no other materials may be used The discharge duct mus...

Page 20: ...connection Always use the enclosed compression fittings 8 1 1 The CH system should be equipped with A drain tap at the lowest point s of the installation A heating system feed tank 8 1 2 Thermostatic...

Page 21: ...to provide access 4 Consult sections 8 3 1 and chapter 13 for making the connections 5 After making the desired connections plug the appliance into an earthed wall socket 8 3 1 Electrical connections...

Page 22: ...the boiler is adjusted to the most optimal value The Open Therm OT room thermostat has te be connected tot the contacts 11 and 12 of connector X4 see chapter 13 electrical diagram CAUTION Connecting...

Page 23: ...ee diagram B Gully C Condensate discharge from boiler D Servicable waste trap E 5 20 mm meter F 100 mm G 110 mm H 450 mm If an externally run condensate drainage pipe is used the following measures sh...

Page 24: ...r window into a dwelling 1200 mm K Vertically from a terminal on the same wall 1500 mm L Horizontally from a terminal on the same wall 300 mm M Above an opening air brick opening windows etc 300 mm N...

Page 25: ...etres CAUTION Only an Intergas approved flue is to be used with this product Failure to comply with this requirement will invalidate your guarantee and may lead to a dangerous situation The horizontal...

Page 26: ...y joint and at changes of direction Bends should be viewable from both directions where the inspection hatch cannot be positioned at the bend Where suitable access is not provided the appliance MUST N...

Page 27: ...st be obtained with all other gas appliances at the property working 9 1 3 Combustion The combustion for this appliance has been checked adjusted and preset at the factory for operation on the gas typ...

Page 28: ...set and the resistance in the CH installation For the water head of the pump and the pressure loss of the appliance see 10 5 3 Set the room thermostat higher than the room temperature The appliance wi...

Page 29: ...second period CH on 22 00 and 4 End second period CH off By pressing the button the new times will be stored in the boiler controller In the service display P appears When the clock is in period 1 or...

Page 30: ...is equipped with frost protection If the temperature of the heat exchanger becomes too low the burner switches on until the temperature of the heat exchanger is sufficient If there is a possibility o...

Page 31: ...o flash Pressing the key repeatedly results in a different function LED flashing each time When the LED is flashing the indicated function can be set with the and key The value set is shown on the dis...

Page 32: ...ion 1 1 1 0 step modulation off during CH operation 1 step modulation on during CH operation C Minimal CH rpm 30 30 30 Adjustment range 25 to 50 C External switch keep hot facility 40 40 40 Not applic...

Page 33: ...he pump setting can be adjusted Consult the manual of the external pump for advice Check the temperature difference between the appliance supply and return this must be approximately 20 C The minimum...

Page 34: ...ment must be performed first at maximum power and thereafter on the minumum power see 10 8 1 and 10 8 2 For reference reasons the tables below contain O2 and CO2 values When the CO2 or O2 value is inc...

Page 35: ...sure a capital H is shown in the display to ensure the appliance to run at maximum power 7 Wait until the reading of the flue gas analyser is stable minimal 3 minutes 8 Note the measured value O2 H o...

Page 36: ...ne 3P G31 CO2 CO2 Maximum value CO2 H CO2 H 0 3 Minimum value 8 4 9 4 Important The gas air ratio is set correctly when the measured value at minimum output is within the upper and lower limit Adjusti...

Page 37: ...5a is for natural gas 4b and 5b is for Propane The value measured at maximum output as noted during the measurement on maximum output CO2 H or O2 H Turning clockwise of the adjustment screw will rais...

Page 38: ...mBar Measured value am maximim power See 10 8 1 Prescribed value at minimum power CO2 H 0 3 CO2 H CO2 L 10 8 10 5 0 1 10 6 10 3 0 1 10 4 10 1 0 1 10 2 9 9 0 1 10 0 9 7 0 1 9 8 9 5 0 1 Example when us...

Page 39: ...ds the rear B 5 Replace the O ring C and the gas restriction D with the rings from the conversion set 6 Re assemble in reverse sequence 7 Open the gas tap 8 Check the gas connections before the gas va...

Page 40: ...ion gap Gas supply pressure too low of failling Gas valve or ignition unit not powered 5 Poor flame signal Condensate drain blocked Check adjustment of gas valve 6 Flame detection fault Replace igniti...

Page 41: ...on gap Replace the ignition electrode Replace the ignition unit on the gas valve 11 2 3 Burner resonating Possible causes Solution Gas supply pressure too low The house pressure switch may be faulty C...

Page 42: ...et for the installation Adjust the power See setting maximum CH power No No heat transfer as a result of lime scale or fouling in the heat exchanger De scale or flush the heat exchanger on the CH side...

Page 43: ...ipe is above the condensate drain pan connection Pull the bottom of the pipe forwards 2 and remove the pipe downwards 3 turning it anti clockwise 7 Lift the condensate drain pan on the left hand side...

Page 44: ...flue pipe components for leakage 12 Check the gas air adjustment 13 Fit the casing tighten the two screws left and right of the display and close the display cover 14 Check the heating and if applica...

Page 45: ...thermostat remove connection 6 7 8 9 Outdoor sensor 12k ohm 25 C 11 12 OpenTherm thermostat remove connection 6 7 Connector X2 230V 1 3 Room thermostat 230 AC 1 Switch live 3 Live fused 1 3 Frost the...

Page 46: ...Intergas Heating Ltd 46 13 3 Typical Y Plan connection 13 4 Typical S Plan connection...

Page 47: ...nition module 801477 Condensate trap 844187 Condensate collector 847037 Seal gas valve inlet 875757 O ring gas restriction ring 875827 O ring front plate Compact HRE OV 30 876597 O ring front plate Co...

Page 48: ...as company The instructions for installation and use which we issue for the boilers concerned should be complied with in full 5 The manufacturer s liability under the agreement is expressly limited to...

Page 49: ...Intergas Heating Ltd 49 17 GAS BOILER SYSTEM COMMISSIONING CHECKLIST...

Page 50: ...Intergas Heating Ltd 50 18 SERVICE RECORD...

Page 51: ..._______________________________________________________________________________________________________________ ________________________________________________________________________________________...

Page 52: ...a ISO 9001 certified production faccility Intergas Heating Ltd Intergas Heating Ltd Tel 01527 888000 88324802 Building 94 Bay 1 Vantage Point Fax 01384 279480 The Pensnett Estate info intergasheating...

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