Instructing The System User - Viessmann EHE Installation And Service Instructions For Contractors

Commissioning and adjustment
Commissioning
Note
Only switch on the immersion heater EHE when the
DHW cylinder is full and pressurised.
1. Set the required DHW temperature at the tempera-
ture controller.

Instructing the system user

Instruct the system user on how to operate the immer-
sion heater EHE in conjunction with the heating sys-
tem as a whole.
The instructions must cover the following points:
Operating the temperature controller (see page 3)
■
■ What to do in the event of a fault: Disconnect the
power supply to the appliance and inform the heating
contractor.
■ Advise user of the required service intervals in rela-
tion to the water hardness (see page 9)
Advise the user regarding regular operation of the
■
safety valve (see operating instructions for the heat-
ing system)
■ Further information for the user is available in the
operating instructions of the heating system.
Information on users
The immersion heater EHE can also be operated by
children 8 years and older, as well as by individuals
with reduced physical, sensory or mental faculties or
those lacking in experience and knowledge, provided
such individuals are being supervised or have been
instructed in the safe use of this appliance and any
risks arising from it.
!
Please note
Supervise children in the proximity of the appli-
ance.
Never permit children to play with the appli-
■
ance.
■ Cleaning and maintenance must never be car-
ried out by unsupervised children.
Ambient conditions
!
Please note
Incorrect ambient conditions can lead to heating
system damage and can put safe operation at
risk.
Ensure ambient temperatures are above 0 °C
and below 35 °C.
8
2. Monitor and check for correct function during the
first heat-up. At the same time, test the temperature
controller's automatic switch-off function.
Note
During the heat-up process water should drip from
the safety valve.
Auxiliary components, spare and wearing parts
!
Please note
Components not tested with the heating system
may damage the system or affect its function.
Have all installation or replacement work carried
out exclusively by qualified contractors.