Vaillant ecoMAX pro SERIES Instructions For Use Installation And Servicing
Wall hung condensing boilers for traditional open vented systems
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Summary of Contents for Vaillant ecoMAX pro SERIES
- Page 1 To be left with the user Instructions for Use, Installation and Servicing ecoMAX pro Wall hung condensing 18 E boilers for traditional open vented systems 28 E...
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Page 2: Table Of Contents
Table of Contents Page Page 6 Boiler Location and Ventilation ... . . 12 1 List of Contents ......Boiler Location . - Page 3 Table of Contents Page 15 Servicing ......24 15.1 General ....... . 24 15.2 Spark Electrode .
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Page 4: List Of Contents
1 List of contents 1 List of contents Vaillant Ltd. support the Benchmark initiative. Within the information pack you will find a 1.1 Contents included with ecoMAX pro boiler Benchmark Log Book. It is very important that this Ensure that all contents are included before commen- is completed correctly at the time of installation, cing installation. -
Page 5: Introduction
Member States relating to appliances bur- 2.1 General Information ning gaseous fuels. Thank you for choosing a Vaillant boiler. The information 2. Directive 73/23/EEC on the harmonisation of the Laws given in this booklet will enable you to obtain the best of the Member States relating to electrical equipment performance from your boiler. -
Page 6: Protection Against Freezing
MUST be carried out by a competent To obtain service, please call your installer or Vaillant person. Service Solutions (0870 6060 777). As a safety feature the boiler will stop working if the Please be advised that the installation engineer on com- condensate drain becomes blocked. -
Page 7: Guarantee
Should a fault condition occur the operating indicator The boiler must be serviced either by Vaillant Ltd. or will flash red and will be accompanied by an "F" symbol another competent servicing company (CORGI in the display. -
Page 8: General Information
4 General Information 4 General Information On completion, test the gas installation for soundness using the pressure drop method and suitable leak Important notice detection fluid, purge in accordance with the above The boiler is supplied in one pack and the flue is standard. -
Page 9: Electrical Supply
4 General Information Water system 5 5 Water system 4.5 Electrical Supply The boiler must be earthed. All system components shall be of an approved type and 5.1 Draining Tap all wiring to current I.E.E. wiring regulations. In IE refe- A draining tap must be provided at the lowest point of rence should be made to the current edition of the ETCI the system, which will allow the entire system and hot... -
Page 10: Pump
“MAX”, which is about 80 °C, to give a flow rate as Vaillant VANTAGE unvented cylinders and MUST shown in table 5.1. not be used in connection with these cylinders. -
Page 11: Sealed Water Systems
Water system 5 5.9 Sealed water Systems The installation must comply with the appropriate 5.9.3 Pressure Gauge requirements of the current issue of BS4814, BS5449, A pressure gauge with a set pointer and covering at BS6759, BS6798 and BS7074 Part 1 and 2. For IE your least 0 to 4 bar (0 to 60 lb/in2) shall be fitted perma- attention is drawn to the current edition of IS 813. -
Page 12: Boiler Location And Ventilation
6 Boiler Location and Ventilation 6 Boiler Location and Ventilation 6.1 Boiler Location The boiler may be installed in any room although particular attention is drawn to the requirements of the current issue of BS7671, IEE Wiring Regulations, the electrical provisions of the Building Regulations (Scotland), and in IE the current edition of IS 813 and the ETCI rules, with respect to the installation of a boiler †... -
Page 13: Flue 7
Flue 7 7 Flue 7.2 Flue termination The following details refer to both flue systems. 7.1 Flue Position and Length a. The terminal must be positioned such that the pro- The standard horizontal flue is fitted onto the top of the ducts of combustion can disperse freely at all times. -
Page 14: Internal Flue Installation
7 Flue Installation Preparation 8 • Vertical air/flue duct and terminal 303 900 Terminal position • Air/flue duct extension (470 mm) 303 902 • Air/flue duct extension (970 mm) 303 903 Directly below an opening, above an opening • Air/flue duct extension (1970 mm) 303 905 or horizontal to an opening i.e. -
Page 15: Rear Flue Exit
8 Installation Preparation Boiler fixing 9 3°±1° RETAINING LUGS Ø 127 WALL INNER TEMPLATE CASING PANEL Fig. 8.3 To allow for the flue passing through the wall at this angle a 127 mm hole should be drilled irrespective of internal or external installation. If necessary remove the template whilst drilling the flue hole. -
Page 16: Gas, Water And Condensate Connections
10 Gas, Water and Condensate Connections 10 Gas, Water and Condensate 10.3 Condensate Drain Connection Connections The condensate drain connection is at the rear of the boiler, see Fig. 10.1. A 21.5 mm plastic overflow pipe 10.1 Gas Connection should be connected to the spigot on the condense trap Before connection check the supply of local gas. -
Page 17: Flue Preparation And Installation 11
Flue Preparation and Installation 11 11 Flue Preparation and Installation 11.2 Extension pipes Refer to Figs. 11.3 and 11.4. 11.1 Flue Length Note maximum permitted flue lengths. All dimensions are in mm. When extension pipes are required please note the To determine flue length, temporarily fit flue elbow to length of the extensions, which should be taken into top of boiler. -
Page 18: Flue Assembly
11 Flue Preparation and Installation 11.4 Flue Attachment To Boiler Lubricate the internal rubber seal of the flue outlet on the boiler with a suitable lubricant. Push and twist the flue adapter into position on top of the boiler and secure with the four screws supplied, making sure the nib fits EXTENDED HORIZONTAL FLUE into the locating slot in the boiler casing to ensure cor-... -
Page 19: Electrical Connections 12
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 12.2 12.1 Mains, external controls and pump connections Connect the pump supply into the marked pump termi- (mains voltage) nals as shown in Figs.12.2 and 15.1. -
Page 20: Commissioning
13 Commissioning 13 Commissioning 13.3 Gas supply Isolate the boiler from the mains electrical supply. Note! The complete gas installation including the gas meter During commissioning the overheat thermostat must be inspected, tested for soundness and purged in may trip before air is completely removed from the accordance with BS 6891, in IE the current edition of system. -
Page 21: Testing - Gas
Commissioning 13 The boiler will then continue to fire until the user con- Drain the entire system rapidly whilst hot, using the trols are satisfied. drain tap at the lowest part of the system. Fill and vent Note: After the first power up the firing sequence chan- the system as described previously. -
Page 22: Natural Gas To Lpg Conversion (Ecomax Pro 28E Only)
14 Conversion 14 Natural Gas to LPG conversion - Press the ‘-‘ key and scroll through until ‘96’ (installer (ecoMAX pro 28E 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 23 Conversion 14 "A" throttle – "Pmax" rotate to increase "B" offset adjustment "Pmin" rotate to increase Fig. 14.4 - Again in screen ‘8’, Set the appliance fan speed/bur- ner to minimum by pressing the ‘-‘ key until ‘1’ (burner to Pmin) is shown on the right hand side of the screen. Press the ‘mode’...
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Page 24: Servicing
15 Servicing 15 Servicing 15.2 Spark Electrode Disconnect the ignition lead and earth lead from the 15.1 General ignitor unit and two securing screws at the spark To ensure the continued safe and efficient operation of electrode. Withdraw the spark electrode carefully from the boiler it is recommended that it is checked and ser- the combustion chamber, see Fig. -
Page 25: Burner
Servicing 15 15.3 Burner Refer to Figs. 15.2, 15.3, 15.4 and 15.5. Isolate the gas supply at the gas service cock. FLUE ADAPTER Disconnect the gas supply at the union nut of the gas COMBUSTION ANALYSER TEST service cock. POINT Note! HEAT EXCHANGER Do not disconnect at the gas valve. -
Page 26: 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 27: Combustion Analysis 16
Combustion analysis 16 16 Combustion analysis Press the ‘+‘ key and scroll through until ‘8’ is shown on the left of the screen, then press the ‘mode’ button Note! again. The boiler is fitted with a combustion analysis test point. A suitable combustion analyser can be connected to this point to establish the com- bustion performance of the boiler. -
Page 28: Fault Finding
16 Combustion analysis Fault Finding 17 17 Fault Finding Again in screen ‘8’, Set the appliance fan speed/burner to minimum by pressing the ‘-‘ key until ‘1’ (burner to Logical fault finding procedure Pmin) is shown on the right hand side of the screen. These checks must be carried out before attempting to Press the ‘mode’... -
Page 29: Fault Memory
Fault Finding 17 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... -
Page 30: 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’... -
Page 31: Fault Codes
Fault Finding 17 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 32: Fault Finding
17 Fault Finding 17.4 Fault Finding Fan control PCB / DC fan supply room stat frost stat 230 V interface PCB Main PCB Main user display interface Fig. 17.3 Instructions for Use, Installation and Servicing ecoMAX pro... -
Page 33: Short Spare Parts 18
Short Spare Parts 18 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 287452 Fan control PCB / DC Fan supply 256271 Mains/Reset Switch... -
Page 34: Boiler Specification
19 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... - Page 35 Instructions for Use, Installation and Servicing ecoMAX pro...
- Page 36 Head Office: Vaillant Ltd. Vaillant House Medway City Estate Trident Close Rochester Kent ME2 4EZ Technical Advice 01634 292392 Service Solutions 0870 6060 777...