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TECNIKA 28-35
USE AND INSTALLATION MANUAL
Chapter
4
page 25
Installing
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fit an automatically opening overtemperature valve which opens at high temperatures (not included in
the supply of the boiler). The valve opens and sends water from the cock to the emergency cooling coil
of the boiler thus decreasing the circulating water temperature. Check the valve instruction manual for
more details.
EXPLANATION:
the detecting section of the thermostatic valve must be screwed into an opening situated
in the upper rear part of the heat exchanger (see photo). The water flow control module of this thermostat
valve must be fitted on one of the ends of the emergency coil (either the inlet or outlet end). The water flow
control module of this thermostat valve must be connected to the water from the cock at DHW network
pressure. The emergency cooling coil must be connected to the exhaust system. Be careful: the water may
be very hot.
Opening
for
installing
the
emergency
coil
thermostatic
valve
sensor
section
Fig. 4.6.3 View of the opening of the hot water boiler where to fasten the thermostatic valve sensor
module for the emergency cooling coil to be connected to the water flow from the cock
