4
Operating manual atmoCRAFT
For alterations to the appliance or to its environment,
you must refer to the suitably qualified heating engineer
which is responsible for it.
Caution!
Inappropriate alterations can cause damage!
Under no circumstances should you ever
attempt to make alterations to the gas heating
boiler or other parts of the system.
Never try to carry out maintenance work or
repairs on the appliance yourself.
- Do not damage or remove seals on components. Only
suitably qualified heating engineer or our customer
service may removed sealed components.
Caution!
Risk of damage!
Do not use sprays, solvents, chlorinated
cleaning agents, paint, adhesives or similar
substances in the vicinity of the appliance.
These substances can cause corrosion,
including in the flue system.
Installation and setting
The appliance may only be installed by an suitably
qualified heating engineer, This engineer also assumes
responsibility for installing the appliance properly and
putting it into service for the first time.
He is also responsible for inspection, maintenance
and repairs to the appliance, and alterations to the set
gas volume.
Filling pressure of the heating system
The filling pressure of the heating installation should be
checked at regular intervals.
Emergency power supply
Your specialist technician connected your gas heating
boiler to the electrical mains during installation.
If you wish to keep the unit running with an emergency
power supply in the event of a power failure, the
technical specification of the unit (frequency, voltage,
earthing) must be in agreement with the mains power
supply, and must be rated to at least the power
consumption of your unit. Please consult your heating
engineer on this subject.
Frost protection
If you are going to be away during a cold period, make
sure the heating system remains in operation and that
the rooms are sufficiently heated.
Caution!
Risk of damage!
If there is a power cut or if the room
temperature is set too low in individual rooms it
cannot be ruled out that sections of the heating
system are damaged by frost.
Please always observe the instructions
concerning frost protection in Section 4.10.
3
Notes on the installation and operation
3.1 Vaillant
warranty
Vaillant provide a full parts and labour warranty for this
appliance.
The appliance must be installed by a suitably competent
person in accordance with the Gas Safety (Installation
and Use) Regulations 1998, and the manufacturer’s
instructions. In the UK ‘CORGI’ registered installers
undertake the work in compliance with safe and
satisfactory standards.
All unvented domestic hot water cylinders must be
installed by a competent person to the prevailing
building regulations at the time of installation (G3).
Terms and conditions apply to the warranty, details of
which can be found on the warranty registration card
included with this appliance.
Failure to install and commission this appliance in
compliance with the manufacturer’s instructions may
invalidate the warranty (this does not affect the
customer’s statutory rights).
3.2 Intended
use
The Valliant atmoCRAFT gas boilers are state-of-the-art
appliances which have been constructed in accordance
with recognised safety regulations. Nevertheless, there
is a risk of injury or death to the user or others and
damage to the appliance or other property in the event
of misuse or use for which the appliance is not intended.
The units are intended as heat generators for closed and
open hot-water central heating installations and for
central hot water preparation. Any other use or
extended use is considered to be improper. The
manufacturer or supplier is not liable for any resulting
damage. The user alone bears the risk.
Intended use includes the observance of the operating
and installation manual and all other applicable
documents, as well as adherence to the maintenance
and inspection conditions.
2 Safety
3 Notes on the installation and operation
