1-26
17 - IE
INSTALLERUSER
MAINTENANCE TECHNICIAN
1.21 HYDRAULIC DIAGRAM CON OPTIONAL.
Key:
1 - Generator
2 - ermometer pocket
3 - Probe for fuel shut-o valve bulb
4 - Manometer-holder cock
5 - ermometer
6 - Manual rearm thermostat
7 - Manual rearm pressure switch
8 - Boiler connection 3-way valve
9 - Hydraulic/mixing collector
10 - Attachment for expansion vessel
11 - Expansion vessel
12 - Fuel shut-o valve
13 - Slurry collection brass lter
14 - Damper coil
15 - Manometer
16 - Connection for minimum pressure switch
Attention: the sensitive elements of the automatic
regulation and block circuit breaker switches and
of the thermometer (not supplied as standard
with the boiler) must be arranged as described
in the installation instructions. Whenever the
generators are not installed in set according to the
instructions and the Immergas original kits, the
sensitive elements must be installed on the ow
piping to the central heating system, immersed in
the current of water at not more than 0.5 metres
from the boiler outlet.
the boilers must be installed in the congurations
and with their own Immergas original set
and safety kits.
Immergas S.p.a. declines all
liability whenever the installer does not use the
devices and Immergas original kits or uses them
improperly.