Technical data

Instructions for Use, Installation and Servicing ecoMAX pro 5
2.1 General Information
Thank you for choosing a Vaillant boiler. The information 
given in this booklet will enable you to obtain the best 
performance from your boiler.
The Benchmark logbook should be completed by the 
installer and/or commissioning engineer and handed to 
the user.
NOTE: 
This boiler must be installed and serviced by 
a competent person in accordance with the 
Gas Safety (Installation and Use) Regulations 
1998. In the UK 'CORGI' registered installers 
undertake the work to a safe and satisfactory 
standard.
This boiler is designed to provide central heating from a 
fully pumped open-vented or sealed water system with a 
fully indirect cylinder. 
The central heating water temperature can be adjusted 
on the boiler.
Once the controls are set the boiler operates 
automatically.
A frost protection programme is also included.
Please read these instructions and follow them carefully 
for the correct and economical use of your boiler.
2.2 Gas Category
This boiler is factory set for use on Natural Gas (G20). 
ecoMAX pro 28E only can be field adjusted for use on 
LPG (propane G31), see page 22-23 for instructions.
2.3 Gas Safety (Installation and Use) Regulations
In your own interests and that of safety, it is the Law 
that ALL gas appliances are installed by a competent 
person in accordance with the current issue of the above 
regulations.
2.4 Gas Testing and Certification
The boiler is tested and certificated for safety and 
performance. It is, therefore, important that no alteration 
is made to the boiler.
2.5 CE Mark
This boiler meets the requirements of Statutory 
Instrument, No. 3083 The Boiler (Efficiency) Regulations, 
and therefore is deemed to meet the requirements of 
Directive 92/42/EEC on the efficiency requirements for 
new hot water boilers fired with liquid or gaseous fuels.
Type test for purposes of Regulation 5 certified by: 
Notified body 0086.
Product/production certified by: Notified body 0086.
The CE mark on this appliance shows compliance with:
1. Directive 90/396/EEC on the approximation of the 
laws of the Member States relating to appliances burning 
gaseous fuels.
2. Directive 73/23/EEC on the harmonisation of the Laws 
of the Member States relating to electrical equipment 
designed for use within certain voltage limits.
3. Directive 89/336/EEC on the approximation of the 
Laws of the Member States relating to electromagnetic 
compatibility.
2.6 Control of Substances Hazardous to Health
Under Section 6 of The Health and Safety at Work Act 
1974, we are required to provide information on 
substances hazardous to health.
The adhesives and sealants used in this appliance are 
cured and give no known hazard in this state.
2.6.1 Insulation Pads
These can cause irritation to skin, eyes and the 
respiratory tract.
If you have a history of skin complaint you may be 
susceptible to irritation. High dust levels are usual only if 
the material is broken.
Normal handling should not cause discomfort, but follow 
normal good hygiene and wash your hands before 
eating, drinking or going to the lavatory.
If you do suffer irritation to the eyes or severe irritation to 
the skin seek medical attention.
2.7 Spare Parts
Only original Vaillant spare parts may be used.
2.8 Manual Handling Guidance
During the appliance installation and the replacement of 
the heat exchanger it will be necessary to employ 
caution and assistance whilst lifting as the appliance or 
component exceeds the recommended weight for a one 
man lift.
In certain situations it may be required to use a 
mechanical handling aid.
Take care to avoid trip hazards, slippery or wet surfaces.
2.9 Warnings
Gas Leak or Fault
If a gas leak or fault exists or is suspected, turn off the 
gas emergency control valve immediately. Eliminate all 
sources of ignition, i.e. smoking, blowlamps, hot air guns 
etc. Do not operate electrical lights or switches either on 
or off. Open all doors and windows, ventilate the area.
Clearances
If fixtures are positioned close to the boiler, space must 
be left as shown in Fig. 6.1. Enough space must also be 
left in front of the boiler to allow for servicing.
2 Introduction










