hergom DERO, Installation, Use And Maintenance Instructions

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3.2 - Installation with closed expansion tank and underfloor heating - outline
FIG. 7
A Valve J Emptying valve
B Minimum thermometer K Adjustment
C Circulator L 3-way mixing valve
D Closed expansion vessel M Temperature Probe
E Bleeder N Safety thermostat at 45 °C
F Safety valve (3 BAR) P Underfloor Heating
G Tank R Thermal security valve
H Auto filling and anti-backflow valve
Industrias Hergom S.A. declines all liability
connected with the installation. The installer must
comply with local regulations in order to install the
system correctly.