Kalor 20B, User Manual

Page: 14 / 60

72
GB
Closed vessel system
This product has been designed and built to work with closed vessel systems. In general, the closed vessel
system
has the following expansion as the expansion vessel pre-loaded.
In addition to the expansion device, the closed vessel system must be provided in accordance with current
Italian
UNI 10412-2 (2009) by:
• safety valve
• thermostat control of the circulator
• device alarm sounds
• temperature Indicator
• pressure indicator
• audio alarm
• automatic adjustment
• safety thermostat with manual reset
• circulation system
The pressure relief valve (C) must always be connected to a water drain pipe. The tube must be
capable of with standing high temperature and pressure.
The connection of the boiler to the plumbing system must be made ONLY by specialized
personnel who are capable of carrying out installation properly, in compliance with
current standards in the country of installation. The manufacturer will not be held
responsible for damage to persons or things in the event of failed operation if the
aforementioned warning is not complied with. It is mandatory to install an anti-condensate valve on
the return of the system, set at 60 ° C. The valve is not supplied with the boiler.
Plumbing system connection
Diagram connection boiler
A2 A1
C
WATER
DELIVERY
WATER
RETURN
In order to achieve the test report results, please load the performance parameters retained by the
manufacturer and the qualified tecnichian. They will use these parameters once verified that, during the
installation, it is possibile to reproduce the laboratory conditions.