Vaillant ecoMAX pro 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
- 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 28 E systems...
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Page 2: Table Of Contents
Domestic Hot Water Cylinder ..... . . Contents included with ecoMAX pro boiler ... . . -
Page 3: List Of Contents
Boiler Hanging bracket Flue connection adaptor Instruction booklet Guarantee card and envelope and log book Template Screws/wallplugs Gas service valve and compression couplers Natural Gas to LPG conversion data badge over sticker Instructions for Use, Installation and Servicing ecoMAX pro... -
Page 4: General Information
The boiler is supplied factory set for use on Natural Gas 2.8 Manual Handling Guidance (G20). The ecoMAX pro 28E, only, can be field adjusted During the appliance installation and the replacement of for use on LPG (propane G31), see page 22-23 for the heat exchanger it will be necessary to employ instructions or contact Vaillant Service, 0870 6060 777. -
Page 5: Protection Against Freezing
Make sure that, if fitted, the immersion heater in the the countries of destination. cylinder is switched off. To obtain service, please call your installer or Vaillant If you have a sealed water system contact your Service Solutions (0870 6060 777). -
Page 6: Guarantee
2 Introduction 2.17 Guarantee Vaillant provide a full parts and labour warranty for your appliance. The appliance must be installed by a suitably competent person in accordance with the gas safety (installation and Use) Regulations 1998, and the manufacture's instructions. In the UK ‘CORGI’ registered installers undertake the work in compliance with safe and satisfactory standards. -
Page 7: Operating The Boiler
- the more bars that are displayed, the higher the output. The ecoMAX pro is a fan flue appliance and the operation of the fan may be heard when the boiler is running and for a short period after the boiler has stopped. -
Page 8: General Information
The boiler is factory set for use on Natural Gas (G20). It is important that no alteration is made to the boiler, The ecoMAX pro 28E, only, can be field adjusted for use without permission, in writing, from Vaillant. on LPG (propane G31). -
Page 9: Boiler Specification
Fan supply PCB 3.15 AT Main PCB 125 mAT Main PCB 125 mAT Maximum CH system pressure Weight Electrical supply 230/~50 230/~50 V~/Hz External fuse Power input Case height Case width Case depth Instructions for Use, Installation and Servicing ecoMAX pro... -
Page 10: Dimensions And Data Labels
4 General information Fig 4.1 Fig 4.2 Instructions for Use, Installation and Servicing ecoMAX pro... -
Page 11: Electrical Supply
For further information, see the current issue of the Building Regulations, approved document L1, and the following current issues of: 1) Central heating system specification (CheSS) 2) Controls for domestic central heating system and hot water. BRECSU. Instructions for Use, Installation and Servicing ecoMAX pro... -
Page 12: Boiler Location And Ventilation
5.5 Compartment Ventilation Due to the high efficiency and hence low casing temperature of this boiler, cupboard or compartment ventilation is not necessary. Leave existing air vents. Fig 5.1 Instructions for Use, Installation and Servicing ecoMAX pro... -
Page 13: Water System
6.4 Bypass A system bypass will be required fitted at least 1.5 metres away from the boiler, refer to the current issue of central heating system specifications (CHeSS). Fig 6.1 Fig 6.2 Instructions for Use, Installation and Servicing ecoMAX pro... -
Page 14: Inhibitor
Examples are Sentinel X100 and Fernox. NOTE: IMPORTANT: It is ESSENTIAL that the cleanser is fully ecoMAX pro boilers are not suitable for use removed from the system after flushing and before with Vaillant VANTAGE unvented cylinders and adding inhibitor. Take care to ensure that all low points in MUST not be used in connection with these the system are fully drained. -
Page 15: Safety Valve
The charge pressure must not be less than the static head of the system, that is, the height of the highest point of the system above the expansion vessel. Fig 6.4 Instructions for Use, Installation and Servicing ecoMAX pro... -
Page 16: Flue
When extension pipes are used the flue system must be designed to have a continuous fall to the boiler of at least 3° to allow condensate to run out via the drain. Instructions for Use, Installation and Servicing ecoMAX pro... - Page 17 Horizontally from a terminal on the same wall 300 directly directed to discharge across a boundary. For IE, recommendations are given in the current Distance from adjacent wall for vertical Flue edition of IS 813. Fig 7.1 Fig 7.2 Instructions for Use, Installation and Servicing ecoMAX pro...
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Page 18: Installation Preparation
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. are detailed in the flue installation instructions. Fig 8.2 Instructions for Use, Installation and Servicing ecoMAX pro... -
Page 19: Boiler Fixing
Lean the top of the boiler slightly to the wall and position just above the hanging bracket. Allow the boiler to slowly move downwards until engaged in the hanging bracket. Fig 9.1 Instructions for Use, Installation and Servicing ecoMAX pro... -
Page 20: Gas, Water And Condensate Connections
70kW net for further information. external pipe length should not be more than 3 metres. Before operating the boiler the condensate trap must be Refer to the latest issue of BS 6798 Specification filled with water. Instructions for Use, Installation and Servicing ecoMAX pro... -
Page 21: Electrical Connections
Vaillant guarantee. 11.1 Appliance, pump and external controls. ecoMAX pro boilers are fitted with a terminal box located at the base of the boiler into which all connections are made. To gain access to the terminal box, remove the two retaining screws indicated in fig 11.1 and carefully... -
Page 22: Commissioning
THROTTLE The gas valve is factory set for natural gas (G20) and should need no adjustment. (LPG G31 ecoMax pro 28E only) should be adjusted as described Section 14 Natural ELECTRICAL gas to LPG conversion. It should be checked that the... -
Page 23: Initial Lighting
Lock or remove the handles from controls valve ‘A’ to designed to cope with small system prevent unauthorised adjustment. requirements. Instructions for Use, Installation and Servicing ecoMAX pro... -
Page 24: User Controls And Options
Advise the user that the permanent mains electrical supply SHOULD NOT be switched off, as the built in frost protection and pump saver program would not be operable. Reminder, leave these instructions including the ‘Benchmark’ logbook with the user. Instructions for Use, Installation and Servicing ecoMAX pro... -
Page 25: Natural Gas To Lpg Conversion (Ecomax Pro 28E Only)
‘mode’button again. The ecoMAX pro 28E is able to be field adjusted for use on LPG – propane G31 gas. To enable conversion the use of a combustion analyser is necessary. - Page 26 - Fit the LPG conversion label to the data badge. - Re-commission boiler as described in the Installation and Servicing Instructions supplied with boiler. Instructions for Use, Installation and Servicing ecoMAX pro...
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Page 27: Servicing
- Always check earth continuity, polarity and resistance to earth with a multimeter after any service work and after CONTROL PANEL exchanging any electrical component. SERVICE POSITION Fig 14.2 Instructions for Use, Installation and Servicing ecoMAX pro... -
Page 28: Maintenance
Perform a test operation of the appliance and heating system, including water heating and evacuate, if necessary Check ignition and burner flame picture Check boiler for any leaks Check the air/gas flue system Check appliance gas setting, reset and record if necessary. Complete benchmark logbook Instructions for Use, Installation and Servicing ecoMAX pro... -
Page 29: Spark Electrode
FRONT CONNECTOR Removal of the burner from the fan, gas control valve SECURING and burner assembly is not necessary during an annual NUTS service. (5 OFF) IGNITION LEAD CONTROL VALVE Fig 14.5 Instructions for Use, Installation and Servicing ecoMAX pro... -
Page 30: Combustion Chamber And Heat Exchanger
(for example during maintenance). If the burner flange insulation on Fig 14.8 the compact thermal module shows any signs of damage other small cracks it must also be replaced. Instructions for Use, Installation and Servicing ecoMAX pro... -
Page 31: Condensate Drain
Check the condition of the seal, replace as required. To replace remove the old seal, thoroughly clean the casing surfaces. Fit the new seal, it is supplied to the correct length. Fig 14.10 Instructions for Use, Installation and Servicing ecoMAX pro... -
Page 32: Combustion Analysis
"B" offset adjustment Press the ‘-‘ key and scroll through until ‘96’ (installer "Pmin" rotate mode) is shown on the screen, then press the ‘mode’ to increase button again. Fig 15.4 Fig 15.2 Instructions for Use, Installation and Servicing ecoMAX pro... -
Page 33: Fault Finding
The approximate gas rates: 18E : 2.0m3/h (70.6ft3/h) 28E : 3.02m3/h (107ft3/h) * ecoMAX pro 28E only - for LPG see page 23 Fig 16.2 Instructions for Use, Installation and Servicing ecoMAX pro... - Page 34 Memory 1 Read only Memory 2 Read only Memory 3 Read only Memory 4 Read only Memory 5 Read only Fault memory reset Memory can be reset by pressing ‘+’ and ‘-‘ together Instructions for Use, Installation and Servicing ecoMAX pro...
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Page 35: Fault Memory
Maximum temperature rise slope Possible external pump failure; Air in system restricting movement of water. Insufficient circuit flow Maximum delta t Check NTC on return; System fault – too restrictive?; Possible pump failure Instructions for Use, Installation and Servicing ecoMAX pro... -
Page 36: Fault Finding Wiring Diagram
16 Fault finding (wiring diagram) 16.4 Fault Finding Fig. 16.3 Instructions for Use, Installation and Servicing ecoMAX pro... -
Page 37: Short Spare Parts
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 Burner - 28 E 130838 230V interface PCB Fig. 17.1 Instructions for Use, Installation and Servicing ecoMAX pro... - Page 38 Instructions for Use, Installation and Servicing ecoMAX pro...
- Page 39 Instructions for Use, Installation and Servicing ecoMAX pro...