Vaillant ecoMAX pro 18 E Instructions For Use Installation And Servicing
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Vaillant ecoMAX pro 18 E Instructions For Use Installation And Servicing

Vaillant ecoMAX pro 18 E Instructions For Use Installation And Servicing

Wall hung condensing boilers for traditional open vented systems
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See also: Instruction and Installation Manual
To be left with the user
Instructions for Use, Installation
and Servicing
ecoMAX pro
Wall hung condensing
boilers for traditional open vented
systems
GB
18 E
28 E

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Summary of Contents for Vaillant ecoMAX pro 18 E

  • Page 1 To be left with the user Instructions for Use, Installation and Servicing ecoMAX pro 18 E Wall hung condensing 28 E boilers for traditional open vented systems...

  • Page 2: Table Of Contents

    Table of Contents Page Page 6 Boiler Location and Ventilation ......1 List of Contents ........Boiler Location .
  • Page 3 Table of Contents Page 15 Servicing ......... . . 15.1 General .

  • Page 4: List Of Contents

    List of Contents 1.1 Contents included with ecoMAX pro boiler Vaillant Ltd. support the Benchmark initiative. Ensure that all contents are included before commencing Within the information pack you will find a Benchmark installation. Log Book. It is very important that this is completed correctly at the time of installation, commissioning and handover to the user.

  • Page 5: Introduction

    2 Introduction 2.1 General Information designed for use within certain voltage limits. Thank you for choosing a Vaillant boiler. The information 3. Directive 89/336/EEC on the approximation of the given in this booklet will enable you to obtain the best Laws of the Member States relating to electromagnetic performance from your boiler.

  • Page 6: Protection Against Freezing

    Important information 2 Sheet Metal Parts This boiler contains metal parts (components) and care should be taken when handling and cleaning, with particular regard to edges. Sealed Components Under no circumstances must the User interfere with any sealed component as this could result in a potentially dangerous situation arising.

  • Page 7: Guarantee

    The boiler must be serviced either by Vaillant or another stopped. Should a fault condition occur the operating competent servicing company (CORGI...

  • Page 8: General Information

    4 General information IMPORTANT NOTICE: 4.3 Gas Supply The boiler is supplied in one pack and the flue is The gas installation must be in accordance with the supplied separately. current issue of BS6891. In IE this is the current edition This boiler is factory set for use on Natural Gas (G20), of IS813.
  • Page 9 4 General information Fig 4.1 Fig 4.2 Instructions for Use, Installation and Servicing ecoMAX pro...

  • Page 10: All Systems

    4 General information 5 Water system 5 Water system 4.5 Electrical Supply The boiler must be earthed. 5.1 Draining Tap All system components shall be of an approved type and all wiring to current I.E.E. wiring regulations. In IE A draining tap must be provided at the lowest point of the reference should be made to the current edition of the system, which will allow the entire system and hot water ETCI rules.

  • Page 11: Water System

    5.4 Bypass with Vaillant VANTAGE unvented cylinders and A bypass is not required on the central heating system MUST not be used in connection with these cyl- unless all radiators are fitted with thermostatic radiator inders.
  • Page 12 5 Water system 5.9 Sealed water Systems NOTE: A higher initial design pressure requires a larger The installation must comply with the appropriate volume expansion vessel. requirements of the current issue of BS4814, BS5449, BS6759, BS6798 and BS7074 Part 1 and 2. For IE your attention is drawn to the current edition of IS 813.

  • Page 13: Boiler Location And Ventilation

    5 Water system 6 Boiler location and ventilation 5.10 Water Treatment 6.4 Room Ventilation For optimum performance the boiler and its associated The boiler is room sealed, so when it is installed in a central heating system should be flushed in accordance room or space, a permanent air vent is not required.
  • Page 14 7 Flue 7.1 Flue Position and Length NOTE: Vertical flues must not terminate within 600-mm The standard horizontal flue is fitted onto the top of the of an openable window, air vent or any other boiler. See Fig. 7.1 and 7.2 to determine whether a standard ventilation opening.

  • Page 15: Installation Preparation

    7 Flue 8 Installation preparation 7.4 Flue Options TERMINAL POSITION There are various flue systems to choose from, as follows: Directly below an opening, above an opening • Vertical air/flue duct and terminal 303 900 or horizontal to an opening i.e. air brick, opening •...
  • Page 16 8 Installation Preparation 9 Boiler fixing 8.3 Rear flue exit Mark the position of the air/flue duct and its circumference. 8.4 Other flue options Flue instructions for other flue systems such as vertical RSF flues, flues run to the side of the boiler and the use of additional bends etc.

  • Page 17: Gas Supply

    10 Gas, Water and Condensate connections Fig 10.1 10.1 Gas Connection Before connection check the supply of local gas. The gas supply can be connected from below, or through the wall at the rear of the boiler. Ensure the supply pipe is fully engaged in the compression fitting on the gas service valve inlet.

  • Page 18: Flue Preparation And Installation

    11 Flue Preparation and installation 11.1 Flue Length All dimensions are in mm. To determine flue length, temporarily fit flue elbow to top of boiler. For rear or side flue, measure the distance from the outside wall to the butt joint of the flue elbow fitted on top of the boiler.
  • Page 19 11 Flue Preparation and installation 11.3 Flue Assembly 11.4 Flue Attachment To Boiler The flue assembly is a push fit design with securing Lubricate the internal rubber seal of the flue outlet on the collars. boiler with a suitable lubricant. Push and twist the flue Remove all burrs from cut pipes.

  • Page 20: Electrical Supply

    WARNING: This appliance must be wired in accordance with these instructions. Any fault arising from incorrect wiring cannot be put right under the terms of the Vaillant guarantee. Fig 12.1 12.1 Mains, external controls and pump connections (mains voltage) ecoMAX pro boilers are fitted with a terminal box located at the base of the boiler into which all connections are made.
  • Page 21 13 Commissioning NOTE: Now adjust the boiler thermostat to its lowest setting by During commissioning the overheat thermostat pushing the mode button (see Fig. 3.1.) until the radiator may trip before air is completely removed from symbol is displayed. Push the - button until the lowest the system.

  • Page 22: Heating System Controls

    13 Commissioning 13.9 Pump Exercise Programme The boiler will then continue to fire until the user controls are satisfied. After a power cut or every 24 hour in frost setting/ Note: After the first power up the firing sequence summer mode the pump will run for one minute to changes.
  • Page 23 14 Conversion Natural Gas to LPG conversion (ecoMAX pro 28E • Press the ‘-‘ key and scroll through until ‘96’ (installer only) mode) is shown on the screen, then press the ‘mode’button again. The ecoMAX pro 28E is able to be field adjusted for use on LPG –...
  • Page 24 14 Conversion Appliance content at nominal "A" throttle – load for LPG in vol. % "Pmax" rotate to increase ecoMAX pro 28E 10.5 % ± 0.2 % "B" offset adjustment "Pmin" rotate to increase Fig 14.4 • Again in screen ‘8’, Set the appliance fan speed/burner to minimum by pressing the ‘-‘...

  • Page 25: Servicing

    15 Servicing 15.1 General 15.2 Spark Electrode To ensure the continued safe and efficient operation Disconnect the ignition lead and earth lead from the of the boiler it is recommended that it is checked ignitor unit and two securing screws at the spark and serviced as necessary at regular intervals.

  • Page 26: Burner

    15 Servicing 15.3 Burner COMBUSTION Refer to Figs. 15.2, 15.3, 15.4 and 15.5. FLUE Isolate the gas supply at the gas service cock. ANALYSER Disconnect the gas supply at the union nut of the gas TEST POINT ADAPTER service cock. NOTE: HEAT Do not disconnect at the gas valve.

  • Page 27: Combustion Chamber And Heat Exchanger

    15 Servicing 15.4 Combustion Chamber and Heat Exchanger Refer to Fig. 15.2. Remove loose debris from combustion chamber using a soft brush and vacuum cleaner. Carefully flush any remaining debris through the condensate trap (ensure the water is kept away from electrical components). 15.5 Condensate Drain Remove DC fan supply.

  • Page 28: Combustion Analysis

    16 Combustion analysis NOTE: Press the ‘+‘ key and scroll through until ‘8’ is shown on The boiler is fitted with a combustion analysis the left of the screen, then press the ‘mode’ button again. test point. A suitable combustion analyser can be connected to this point to establish the com- bustion performance of the boiler.

  • Page 29: Fault Finding

    16 Combustion analysis 17 Fault finding Fault Finding Again in screen ‘8’, Set the appliance fan speed/burner to minimum by pressing the ‘-‘ key until ‘1’ (burner to Pmin) Logical fault finding procedure is shown on the right hand side of the screen. Press the These checks must be carried out before attempting to ‘mode’...
  • Page 30 17 Fault finding Description Comments Action Central heating maximum output Set minimum to maximum product output (kW) adjustable Flue system pressure loss No function adjustable Minimum temperature for Set minimum temperature adjustable Central Heating (22°, 28°, 38° or 50°C) Maximum temperature for Set maximum temperature adjustable Central Heating...

  • Page 31: Fault Memory

    17 Fault finding 17.2 Fault Memory The fault memory stores details of the five most recent faults. To display the fault memory, proceed as follows; •With the interface in ‘normal’ mode, press and hold the ‘mode’ button ( ) for 10 seconds until a flashing ‘0’ appears.

  • Page 32: Fault Codes

    17 Fault finding 17.3 Fault Codes Fault codes take priority over all other display functions in the event of a system fault occurring. Code Description Comment Ignition fault (lockout) No gas; Insufficient gas; Incorrect gas valve adjustment; Electrode defect; Failed to light Ignition lead defect;...

  • Page 33: Fault Finding

    17 Fault finding (wiring diagram) 17.4 Fault Finding Fig. 17.3 Instructions for Use, Installation and Servicing ecoMAX pro...

  • Page 34: Short Spare Parts

    18 Short spare parts Key No. Part No. Description 190260 Fan assembly 090750 Spark electrode 091258 Igniter unit 053574 Gas control valve 101771 Heating flow & return NTC (2) 101191 Overheat stat 130837 Main PCB 256271 Mains/Reset Switch 130839 Main user display interface 050469 Burner - 18 E 050470...

  • Page 35: Boiler Specification

    19 Boiler specification ecoMAX pro ecoMAX pro 18 E 28 E Units Maximum CH heat input (net) 18.9 28.6 CH heat output (80/60 °C) 5.0 - 18.3 5.3 - 28.2 CH heat output (50/30 °C) 5.3 - 20.0 5.7 - 30.6 SEDBUK Band SAP Seasonal Efficiency 90.4...

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