Immergas 3.022648 Instructions For Installation And Use Manual page 21

GENERAL WARNINGS.
N.B.: before starting working, the installer should care-
fully read this manual, and make sure all instructions
contained therein are understood and observed.
• The Solar controller should be mounted, operated
and maintained by specially trained personnel only.
Personnel in the course of training are only allowed
to handle the product under the supervision of an
experienced fitter. Subject to observation of the above
terms, the manufacturer shall assume the liability for
the equipment as provided by legal stipulations.
• All instructions in this manual should be observed
when working with the controller. Any other applica-
tion shall not comply with the regulations. The manu-
facturer shall not be liable in case of incompetent use
of the controller. Any modifications and amendments
are not allowed for safety reasons. The Solar control-
ler maintenance may be performed by service shops
approved by the manufacturer only.
• The functionality of the controller varies depending on
the model and equipment. This installation booklet is
part of the product and must be supplied with it.
APPLICATION.
The Solar controller is developed for Solar heating
system. The temperature of the water in the tank is
controlled by temperature difference "dt" between solar
collector and tank.
The controller is normally used in conjunction with a
hydraulic control unit which includes a circulation pump
and a safety valve.
The controllers have been designed for use in dry en-
vironments, e.g. in residential rooms, office spaces and
industrial facilities.
Verify that the installation complies with existing reg-
ulations before operation to ensure proper use of the
installation.
SAFETY INSTRUCTIONS.
N.B.: Before starting working, disconnect the power
supply!
• All installation and wiring work related to the control-
ler must be carried out only when de-energized. The
appliance should be connected and commissioned by
qualified personnel only. Make sure to adhere to valid
safety regulations.
• The controllers are neither splash- nor drip-proof.
Therefore, they must be mounted at a dry place.
• Do not interchange the connections of the sensors
and the 230V connections under any circumstances!
Interchanging these connections may result in life
endangering electrical hazards or the destruction of
the appliance and the connected sensors and other
appliances.
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