IDEAL EVOMAX 2 30 Installation And Servicing
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IDEAL EVOMAX 2 30 Installation And Servicing

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INSTALLATION AND
SERVICING
EVOMAX 2
30 40 60 80 100 120 150
30P 40P 60P 80P 100P 120P
When replacing any part on this appliance, use only spare parts that you can be assured conform to the safety and performance
specification that we require. Do not use reconditioned or copy parts that have not been clearly authorised by Ideal.
For the very latest copy of literature for specification and maintenance practices visit our website www.idealcommercialboilers.com
where you can download the relevant information in PDF format.
August 2019
UIN 219458 A01

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  • Page 1 When replacing any part on this appliance, use only spare parts that you can be assured conform to the safety and performance specification that we require. Do not use reconditioned or copy parts that have not been clearly authorised by Ideal.
  • Page 2 ERP DATA MODEL SYMBOL UNITS Condensing Boiler Low Temperature Boiler B1 Boiler Cogeneration Space Heater Equipped with a Supplementary Heater Combination Heater Nominal Heat Output for Space Heating Full Load Part Load 19.5 19.5 Auxiliary Electricity Consumption Full Load 0.081 0.081 0.138 0.138...
  • Page 3 PRODUCT FICHE EVOMAX 2 HEAT BOILER Ideal Boilers ERP DATA SYMBOL UNITS MODEL Condensing boiler Seasonal Space heating efficiency class Rated heat output ƞ Seasonal space heating energy efficiency Annual energy consumption Sound power level, indoors 55.2 55.2 57.7 57.7...
  • Page 4 Installation & Servicing...

  • Page 5: Table Of Contents

    CONTENTS SERVICING ..............50 GENERAL ................. 8 Introduction ................ 8 Servicing Schedule ............50 Optional Extra Kits ............. 8 Removal of Casing ............51 Safety ................8 Removal of Fan and Gas Valve Assembly ...... 52 Safe Handling ..............9 Removal of Non Return Valve .........
  • Page 6 1m = 35.3ft Any direct connection of a control device not approved by Ideal f. 1mg/kWh (NOx) = 0.568 ppm DAF (natural gas). Boilers could invalidate the certification and the normal appliance Propane gas consumption is calculated using a calorific value of warranty.
  • Page 7 SECTION 1 - GENERAL Evomax 2 30, 40, 60, 80, 100, 120, & 150 30P, 40P, 60P, 80P, 100P & 120P Natural Gas & Propane Destination Countries: GB, IE CE No. 696943 Boiler size G.C. Appliance No. (Benchmark No.) 41-796-26 41-796-27 41-796-28 41-796-29...

  • Page 8: General

    SECTION 1 - GENERAL GENERAL 1.3 SAFETY Current Gas Safety (Installation and Use) Regulations 1.1 INTRODUCTION or rules in force The boilers are fully automatically controlled, wall mounted, The appliance is suitable only for installation in GB and IE and fanned, super efficient condensing appliances.

  • Page 9: Safe Handling

    Where reference is made throughout these instructions I.S.813:2002 GAS SYSTEMS. THE BOILER CE MARK IS VALID “Domestic Gas Installations” reference should also be made to ONLY IF THE APPLIANCE IS OPERATED WITH IDEAL I.S.820:2000 “Non-Domestic Gas Installations” as applicable. ROOM SEALED FLUE KITS. OTHER FLUE SYSTEMS ARE NOT TESTED WITH THIS APPLIANCE.

  • Page 10: Water Circulation System

    Guidance Notes on Water Treatment in Central Heating Systems. nominal size and be in accordance with BS. 2879. If water treatment is used Ideal Boilers recommend only the The central heating system should be in accordance with the use of SCALEMASTER SM-1 PRO, FERNOX, MBI, ADEY MC1, relevant standards listed on page 8.

  • Page 11: Electrical Supply

    SECTION 1 - GENERAL 1.11 ELECTRICAL SUPPLY Wiring external to the appliance MUST be in accordance with the current I.E.T. (BS7671) Wiring Regulations and any local regulations which apply. For Ireland reference should be made to the current ETCI rules for electrical installations The point of connection to the mains should be readily accessible and adjacent to the boiler.

  • Page 12: Boiler Clearances And Connections

    SECTION 1 - GENERAL 1.13 BOILER CLEARANCES AND CONNECTIONS The following minimum clearances must be Boiler Dim. A Dim. B maintained for operation and servicing. 30, 40, 60, 80 Front of boiler - 450mm 100, 120 Sides of boiler - 25mm Above boiler - dependent upon the flue system see drawings Below boiler - 300mm...

  • Page 13: Open Vented System Requirements

    IMPORTANT NOTE: If the boilers are installed on to an Ideal b. The installation should be capable of working with flow frame & header kit and operated in excess of 3 bar then all...

  • Page 14: Installation

    SECTION 2 - INSTALLATION INSTALLATION 2.1 BOILER ASSEMBLY - Exploded View Data Plate 80kW shown Auto Air Vent Thermistor Kit Bulkhead Gas pipe Lead Ignition Kit Jacket Assembly Kit Flue manifold (lower) Ignitor Unit Door Assembly Kit Flue manifold (upper) Electrode Detection Kit Non Return Valve Assembly Burner Fixings Kit...

  • Page 15: Packaging Removal

    SECTION 2 - INSTALLATION 2.2 PACKAGING REMOVAL 1. The boiler should be laying on its back with the straps removed. 2. Carefully read the installation instructions before proceeding. 3. Remove the outer packing sleeve. 4. Remove the protective cardboard wall mounting template from the front of the boiler.

  • Page 16: Wall Mounting Template

    SECTION 2 - INSTALLATION Note: Horizontal flue runs must be 2.4 WALL MOUNTING TEMPLATE to the horizontal to allow inclined at 1.5-3 condensate to drain back to the boiler. Note. The template shows the positions for the top fixing holes. Care must be taken to ensure the correct holes are drilled.

  • Page 17: Mounting The Boiler

    SECTION 2 - INSTALLATION 2.6 MOUNTING THE BOILER  • Due care should be taken when lifting the boilers, with respect to their weights, see Table 2 on Page 6. Also refer to Section 1.4 Safe Handling. 1. Lift the boiler onto the wall mounting plate as shown. Note: It is not necessary to hold the boiler at an angle to engage the wall mounting plate.

  • Page 18: Flue Systems

    SECTION 2 - INSTALLATION 2.8 FLUE SYSTEMS A multiple boiler flue header system is available ‘Ideal Multiline’. A comprehensive range of flue kits are available from This permits up to 6 boilers to be connected to a single flue Ideal Boilers. Examples of horizontal and vertical concentric header with a maximum total output of 600kW.

  • Page 19: Vertical Roof Flue Kit

    SECTION 2 - INSTALLATION 2.11 VERTICAL ROOF FLUE KIT Vertical concentric flue application ~ maximum lengths Model 30/30P 40/40P 60/60P 80/80P 100/100P 120/120P Max flue length (m) 17.5 Flue Size 80 / 125 100 / 150 Vertical flue kit No 220915 220918 Contents...

  • Page 20: Flue Kit Accessories

    SECTION 2 - INSTALLATION 2.14 FLUE KIT ACCESSORIES Flue Kits - Concentric Flue Kits - Open Flue Flue Kit Description Flue Kit Description Vertical Roof Flue Kit 80/125 (30 - 80kW) 220915 Wall Bracket 125mm 202242 Vertical Roof Flue Kit 100/150 (60 & 80kW) 220916 Wall Bracket 150mm 202243...

  • Page 21: Permissible Flue Length

    SECTION 2 - INSTALLATION 2.15 PERMISSIBLE FLUE LENGTH The maximum permissible flue lengths for each model is shown in Table A below, these lengths are inclusive of the terminal resistance. The value shown is the max available length for extension. The equivalent length of elbows is shown in Table B.

  • Page 22: Assembling The Flue

    SECTION 2 - INSTALLATION 2.16 ASSEMBLING THE FLUE Care must be taken when assembling flues, not to damage Flue terminals or extension ducts may be cut to shorter lengths if required. When cutting a duct ensure it is square by marking the seals.

  • Page 23: Flue Termination Position

    SECTION 2 - INSTALLATION 2.17 FLUE TERMINATION POSITION Due to the high efficiency of these boilers pluming will occur. For this reason vertical termination is recommended, and in any case, terminal positions which could cause problems should where possible be avoided. Particular care should be taken in the case of large multiple boiler installations, and complying with the requirements of the Clean Air Act.

  • Page 24: Boiler Frame And Header Kits

    SECTION 2 - INSTALLATION 2.18 BOILER FRAME AND HEADER KITS Standard Height Frame & Header Kit - Heat output to a maximum of 900kW, except when using the multiline flue when a maximum of 600kW (See Multiline flue manual) can be achieved by cascading up to six boilers. Boilers can be fitted side by side using the standard height frame and header kits.

  • Page 25: Condensate Drain

    SECTION 2 - INSTALLATION 2.19 CONDENSATE DRAIN Internal Drain Connections Wherever possible, the condensate drainage pipe should be routed to drain by gravity to a suitable internal foul water discharge point such as an internal soil and vent stack or kitchen or bathroom waste pipe etc.
  • Page 26 SECTION 2 - INSTALLATION Figure 3 - Connection of a Condensate Pump Typical Figure 4 - Connection of condensate Drainage Pipe to Method (see manufacturers detailed instructions) External Soil & Vent Stack Boiler Water/weather with 75mm proof insulation Visible air break sealed Boiler condensate...

  • Page 27: Frost Protection

    SECTION 2 - INSTALLATION 2.20 BOILER WATER CONNECTIONS The boiler flow and return pipes are terminated with a 1 ” BSP male taper connection located at the bottom of the appliance. Note. This appliance is NOT suitable for use with a direct hot water cylinder. Plastic plugs if fitted into the open ends of the flow and return pipes must be removed before connecting the system pipework.

  • Page 28: Stand Alone Boiler - Partial Hydraulics

    SECTION 2 - INSTALLATION 2.23 STAND ALONE BOILER - PARTIAL HYDRAULICS continued.... Installation & Servicing...
  • Page 29 SECTION 2 - INSTALLATION Installation & Servicing...

  • Page 30: Electrical Connections

    SECTION 2 - INSTALLATION 2.24 ELECTRICAL CONNECTIONS Warning. This appliance MUST be efficiently earthed. A mains supply of 230V 50Hz is required. The supply wiring MUST be suitable for mains voltage. Wiring should be 3 core PVC insulated cable NOT LESS than 0.75mm (24 x 0.2 mm) and to BS.

  • Page 31: Installer Connections

    SECTION 2 - INSTALLATION 2.26 INSTALLER CONNECTIONS Mains Voltage/230V 50Hz l1 Mains Supply Connector, 230V 50Hz. Live, Neutral, PE. l2 Demand inputs, Multifunctional, 230V 50Hz. Typical setting: SL1, Heating Circuit 1 SL2, Heating Circuit 2/DHW l3 Optional Interlock input, 230V 50Hz l4 Auxiliary Mains Supply Output, 230V 50Hz.

  • Page 32: Boiler With External Controls

    SECTION 2 - INSTALLATION 2.27 BOILER WITH EXTERNAL CONTROLS 1. The boiler must be provided with a 4 minute pump overrun 3. The pump load and switch on surge current must be within period. Failure to do so may invalidate the boiler warranty. the limits of the output if it is powered directly from the Volts Free Contact.
  • Page 33 SECTION 2 - INSTALLATION continued.... Installation & Servicing...
  • Page 34 SECTION 2 - INSTALLATION continued.... Installation & Servicing...

  • Page 35: Controls Configuration, Commissioning And Testing

    SECTION 2 - INSTALLATION Connecting Multiple Room Sensors Connecting Multiple Room Sensors Three Four 10kΩ 0.25W Sensor 1 Sensor 1 Sensor 1 Sensor 3 Sensor 1 Sensor 3 10kΩ 10kΩ 0.25W 0.25W Sensor 2 Sensor 2 Sensor 3 Sensor 4 Note. Where multiple sensors are used the overall accuracy of temperature measurement is reduced, this can be compensated for by trimming the parallel resistors Siting of multiple room sensors for large spaces should be carefully considered to avoid significant temperature differences between sensors 2.28 CONTROLS CONFIGURATION, COMMISSIONING AND TESTING B. GAS INSTALLATION A. ELECTRICAL INSTALLATION 1.

  • Page 36: User Interface

    SECTION 2 - INSTALLATION 2.29 USER INTERFACE BACK A. ROTARY KNOB C. BURNER LED E. BACK BUTTON • Enter a menu, if in the normal • Will be on if the burner is lit. • In a menu, return to the previous operation screen, and highlight the menu layer.
  • Page 37 SECTION 2 - INSTALLATION BOILER GUIDED CONFIGURATION STAND ALONE BOILER Power up the boiler The system will then scan the bus to The display will now prompt for selection of determine if any other devices are the boiler number, this is necessary to identify Initailly the software revision of the present: the boiler should it become part of a iCCS...
  • Page 38 SECTION 2 - INSTALLATION Two Heating Circuits: The system will now scan the known System Pump: devices on the bus to determine what If the boiler has a Plant System Pump Set HC number Plant functions are available in the boiler connected then select the output that is for configuration: used to control it from the list.
  • Page 39 SECTION 2 - INSTALLATION Shunt Pump: Plant OpenTherm interface: 0-10V input Temp. Setp. 0V: Shunt Pump. If the boiler has a Plant Plant OpenTherm control. If the boiler has Temp. setp. 0V Shunt Pump connected between the the requirement to use the OpenTherm 8 º...
  • Page 40 SECTION 2 - INSTALLATION Outside Sensor: Internal Time Clock Single: Internal Timeclock Multiple: This sensor can be selected and used Single day timer is programmable for Multiple day timer is programmable for for all demands to the boiler, if this is not each of the 7 days with 3 periods per day, Mon-Fri and Sat-Sun with 3 periods per required select ‘None’:...
  • Page 41 SECTION 2 - INSTALLATION Holiday Programme: Boiler Configuration: Boiler On Indication: Holiday programme. Up to 8 holiday periods If the boiler has the requirement to signal Select boiler to configure can be set, each has a start and end date. when the burner is lit then select the Boiler 1 output that is used to control it from the...
  • Page 42 SECTION 2 - INSTALLATION Boiler Fault Indication: LPG Valve: Flue Damper: Boiler fault indication. If the boiler has the If the boiler has the requirement to control If the boiler has the requirement to control an external flue damper then select the requirement to signal when the Boiler is an external LPG valve then select the at fault then select the output that is used...
  • Page 43 SECTION 2 - INSTALLATION Heating Circuit Configuration: The HC maximum temperature set-point Control variant. The HC must have a can be set, it defaults to the maximum control variant that is used to determine Heating circuit selection for configuration. output of the boiler model, but this can be the demand.
  • Page 44 SECTION 2 - INSTALLATION OpenTherm input function. The Single day timer is programmable for Multiple day timer is programmable for OpenTherm interface can be configured each of the 7 days with 3 periods per day, Mon-Fri and Sat-Sun with 3 periods per as a HC function, if this is not required Monday through Sunday: group of days:...
  • Page 45 SECTION 2 - INSTALLATION Pump protection. To enable seizure The HC has now been configured and the Example, MFR2 as a DHW pump: protection on pumps/valves connected to display will return to: Select loc'n of DHW pump the HC, select 'Yes'. MFR1 () Select HC to configure MFR2 (DHW1 pump)
  • Page 46 SECTION 2 - INSTALLATION Tank Sensor. If the DHW has a Tank Single day timer is programmable for Multiple day timer is programmable for Sensor connected then select 'Yes' from each of the 7 days with 3 periods per day, Mon-Fri and Sat-Sun with 3 periods per the list.
  • Page 47 The system will now reboot: System will reboot Loading system table The boiler configuration is now complete and the display will show the boiler status screen: IDEAL Evomax 2 120kW Operation: Off Flow temp: 0.0ºC Flow temp: 37.5ºC Installation & Servicing...

  • Page 48: Initial Lighting

    SECTION 2 - INSTALLATION 2.30 INITIAL LIGHTING 1. Check that the system has been filled and the boiler is 6. Switch the electricity supply ON and check that all the not air locked - air in the boiler could damage the heat external controls are calling for heat.

  • Page 49: General Checks

    SECTION 2 - INSTALLATION 2.31 GENERAL CHECKS c. Refill and vent the system, clear all air locks and again Make the following checks for correct operation. check for water soundness. 1. The correct operation of ANY secondary system controls should be proved. Operate each control separately and d.

  • Page 50: Servicing

    Press "OK" and the following screen witll be displayed. Ideal Boilers does not accept any liability resulting from the use of unauthorised parts or the repair and servicing of Menu appliances not carried out in accordance with the Company’s...

  • Page 51: Removal Of Casing

    SECTION 3 - SERVICING 3.2 REMOVAL OF CASING Refer to Section 2.33. Front Panels 1. Open the control casing door. 2. Remove the two screws retaining the front panel, lift the panel to remove. 3. Lower the control panel to the service position. Side Panels Note.

  • Page 52: Removal Of Fan And Gas Valve Assembly

    SECTION 3 - SERVICING 3.3 REMOVAL OF FAN AND GAS VALVE ASSEMBLY MODELS: 30 / 40 / 60 / 80 / 100 / 120 1. Refer to Section 2.33. 2. Remove the upper front panel, Refer to Section 3.2. 3. Remove the three screws retaining the upper and lower flue manifold.

  • Page 53: Removal Of Non Return Valve

    SECTION 3 - SERVICING 3.4 REMOVAL OF NON RETURN VALVE 1. Refer to Section 2.33. 2. Remove the upper front panel. Refer to Section 3.2. 3. Remove the screw retaining the lower flue manifold to the heat exchanger. 4. Lift up the flue Sections and disengage from the sump then pull the flue Sections downwards and remove.

  • Page 54: Heat Exchanger Inspection / Cleaning

    SECTION 3 - SERVICING 3.6 HEAT EXCHANGER INSPECTION / CLEANING 1. Refer to Section 2.33. 2. Remove the front panel. Refer to Section 3.2. 3. Remove the fan and gas assembly. Refer to Section 3.3. 4. Remove the burner. Refer to Section 3.5. 5.

  • Page 55: Removal Of Fan

    SECTION 3 - SERVICING 3.9 REMOVAL OF FAN 1. Refer to Section 2.33. 5. Remove the extended nuts holding the venturi to the fan (80 only). 2. Remove the upper front panel (Refer to Section 3.2). 6. Remove the screws retaining the fan plate (80 only). 3.

  • Page 56: Removal Of Gas Valve

    SECTION 3 - SERVICING 3.10 REMOVAL OF GAS VALVE 1. Refer to Section 2.33. 6. Remove the four screws retaining the gas valve (100, 120 & 150). 2. Remove the upper front panel (Refer to Section 3.2). 7. Remove the 4 screws retaining the inlet flange to gas valve 3.

  • Page 57: Removal Of Venturi / Air Inlet Damper

    SECTION 3 - SERVICING 3.11 REMOVAL OF VENTURI / AIR INLET DAMPER 1. Refer to Section 2.33. 2. Remove the front panel. Refer to Section 3.2. 3. Remove the flue manifold complete with seal and remove the air damper Section (all but the 150kW have a fixing screw) refer to Section 3.4.

  • Page 58: Removal Of Automatic Air Vent

    SECTION 3 - SERVICING 3.14 REMOVAL OF AUTOMATIC AIR VENT 1. Refer to Section 2.33. 2. Remove the front panel. Refer to Section 3.2. 3. Unscrew the air vent (A) from the self sealing fitting (B) on the top left of the flow pipe.

  • Page 59: Removal Of Spark Generator

    SECTION 3 - SERVICING 3.17 REMOVAL OF SPARK GENERATOR 1. Refer to Section 2.33. 2. Remove the front panel. Refer to Section 3.2. 3. Isolate the electrical supply to the boiler and fully isolate the boiler from any external supply. 4.

  • Page 60: Removal Of System Manager

    SECTION 3 - SERVICING 3.19 REMOVAL OF SYSTEM MANAGER 1. Refer to Section 2.33. 2. Isolate the electrical supply to the boiler and fully isolate the boiler from any external supply. 3. Remove the upper front panel and put the control panel into the service position.

  • Page 61: Wiring

    SECTION 4 - WIRING WIRING vomax 2 Schematic Diagram Rev. 1.8 (To be updated at next revision) 4.1 INTERNAL WIRING COMBUSTION MANAGER View from rear ION Analogue ION PE CC TX ION Digital CC RX CC 5V CC GND CC 24V Varican TTL lead To SM X1 CAN VCCon...

  • Page 62: System Manager Wiring Diagram

    SECTION 4 - WIRING 4.2 SYSTEM MANAGER WIRING DIAGRAM SM X3 SM X2 SM X1 ChipCom OpenTherm Terminal (CAN TTL) OpenTherm lead Varican TTL lead from KM821‐i5 X8 From I9 4.3 OPTIONAL VARICAN ADAPTER WIRING DIAGRAM Varican TTL lead To SM X1 CAN Bus (High power) RJ11 6P4 / 1 CAN Bus CAN Bus External Interface To SM Terminal (CAN TTL) RJ11 6P4 / 2 CAN Bus CAN Bus External Interface Varican TTL lead from KM821‐i5 X8 Installation & Servicing...

  • Page 63: Fault Finding

    SECTION 5 - FAULT FINDING FAULT FINDING 5.1 FAULT FINDING SCREENS Fault management When a fault occurs on the boiler the status screen with alternate as shown below: IDEAL Evomax 2 100kW > Fault > Operation: Htg. With temp. Operation: Htg. With temp.

  • Page 64: Fault Finding Menu

    SECTION 5 - FAULT FINDING 5.2 FAULT FINDING MENU ERROR ERROR TYPE REFER TO (Warning, Blocking, DESCRIPTION CODE SECTION... Lockout) (OpenTherm) HARDWARE (THERMISTORS, ACTUATORS) Flow thermistor open circuit (blocking) Flow thermistor short circuit (blocking) Return thermistor open circuit (blocking) B / W Return thermistor short circuit (blocking) B / W Flue thermistor open circuit (blocking)

  • Page 65: Overheat Lockout

    SECTION 5 - FAULT FINDING 5.3 OVERHEAT LOCKOUT Has PCB just been replaced? Reset Boiler Fill and vent the system and open all Are the boiler and CH/DHW system filled with water and are all isolation isolation valves, then reset the boiler. valves and radiator valves open? Check the flow, return and heat exchanger Is the flow/return differential across...

  • Page 66: False Flame Lockout / Error 20

    SECTION 5 - FAULT FINDING 5.5 FALSE FLAME LOCKOUT / ERROR 20 Check routing and integrity of internal boiler Reset the boiler, does boiler work OK? wiring is OK. Check condition of Flame Sense Electrode and replace if deteriorated. Disconnect the electrical connection to the Flame Replace Flame Detection Electrode Sense Electrode.

  • Page 67: Fan Fault

    SECTION 5 - FAULT FINDING 5.8 FAN FAULT Rectify wiring & connections Does the wiring from the Fan to the PCB have secure connections at both ends and has not deteriorated? Does the wiring have continuity? Replace main PCB Is there 230Vac at the blue and brown connections to the 3 way connection on the Fan? Replace Fan 5.9 FLOW / RETURN THERMISTOR OR HEAT EXCHANGER THERMISTOR FAULT...

  • Page 68: Flow/Return Reversed

    SECTION 5 - FAULT FINDING 5.11 FLOW/RETURN REVERSED Is the Pump connected the correct way? Reverse Pump Check that the system pipework is correct 5.12 CYLINDER THERMISTOR FAULT (IF FITTED) Change menu setting for DHW Sensor Is a DHW Thermistor connected to the boiler? to “Switched Live”...

  • Page 69: No Ch But Dhw Ok

    Open the Radiator Valves Rectify wiring from boiler to Is an OpenTherm device connected Does the wiring from OpenTherm device to the boiler (note that the Ideal the boiler to the Prog Room Stat is an OpenTherm OpenTherm device device)?

  • Page 70: No Dhw But Ch Ok

    R(25ºC) = 10,000 Ω Is the resistance correct? Is an OpenTherm device connected Does the wiring from the to the boiler (note that the Ideal Rectify wiring from boiler to the OpenTherm programmable room stat is an boiler to OpenTherm device have continuity? device.

  • Page 71: No Display

    SECTION 5 - FAULT FINDING 5.16 NO DISPLAY Supply power to the boiler Is there 230Vac to the boiler at the mains supply inlet? Connect the wiring from the terminal block Is the wiring from the boiler terminal block to the to the combination manager PCB securely combination manager PCB connected securely? Connect the cable from the combination...

  • Page 72: Spare Parts

    SECTION 6 - SPARE PARTS SPARE PARTS When replacing any part on this appliance use only spare parts that you can be assured conform to the safety and performance specification that we require. Do not use reconditioned or copy parts that have not been clearly authorised by ourselves. Failure to do so could affect safety or performance of this appliance.

  • Page 73: Combustion And Flue Integrity

    SECTION 7 - COMBUSTION & FLUE INTEGRITY CHECKS COMBUSTION AND FLUE INTEGRITY 7.1 FLOWCHART FOR CO LEVEL AND COMBUSTION RATIO CHECK ON COMMISSIONING A CONDENSING BOILER FLOWCHART FOR CO LEVEL AND COMBUSTION RATIO CHECK ON COMMISSIONING A CONDENSING BOILER Important Preliminary Information on Checks The air gas ratio valve is factory-set and must not be adjusted DURING COMMISSIONING.
  • Page 74 0.2%? sampling point. Allow readings to stabilise before recording. Turn off appliance and call Ideal Technical Helpline for advice The appliance must not be commissioned until problems are identified CO level less and resolved. If commissioning cannot be fully completed, the appliance than 350ppm AND CO/CO must be disconnected from the gas supply in accordance with GSIUR.
  • Page 75 NOTES Installation & Servicing...
  • Page 76 NOTES Installation & Servicing...
  • Page 77 NOTES Installation & Servicing...
  • Page 78 NOTES Installation & Servicing...
  • Page 79 NOTES Installation & Servicing...
  • Page 80 For details of courses please ring: ... 01482 498432 Ideal Boilers Ltd. pursues a policy of continuing improvement in the design and performance of its products. The right is therefore reserved to vary specification without notice.

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