
19
Installation Instructions
ENGLISH
Follow the instructions provided in the
Boiler / Solar Panel installer's manual.
Unical AG S.p.A. will not be held liable for
damage to persons, animals or objects
due to failure to comply with the instruction below.
Before commissioning the appliance, check that:
3.8 - COMMIssIONING
is the power supply of the boiler 230 V - 50 Hz?
has the system been filled with water (approximately 0.8/1 bar pressure on the pressure gauge
with the pump stopped)?
are any system shut-off gate valves open?
is the outside main switch ON?
is the DHW system safety valve efficient and is it connected to the drains?
has the system been checked for water leaks?
are the ventilation conditions and minimum distances to perform any
maintenance ensured?
have the SOLAR and DOMESTIC HOT WATER pipes been cleaned thoroughly with products
suitable for each circuit?
are the system pipes NOT used as electrical system earthing?
has the system been sized correctly, taking into account the pressure losses?
has the operator been trained and has the documentation been supplied?
Please tick the operations performed