Instruction manual

38
Instructions for the installer
Installation of 2 boilers in a cascade arrangement functioning for 1 high temperature zone + 1 low temperature zone, managed via a motorized mixing valve + domestic hot
water production.
NB: In case of a single system return (low
or medium temperature), the connection
must ALWAYS be carried out on the inlet
and the lower back of the boiler (stub
"low-temperature system return").
VE
VE
BOILER PKX 1
(Master)
BOILER PKX 2
(Slave)
CH SYSTEM
HIGH TEMPERATURE
BOILER
SENSOR
BOILER
SENSOR
Connection for eventual
mixing header for perfect
balance of the heating