Hergom DERO Instrucciones Para Instalación, Uso Y Mantenimiento página 19

3.2 - Installation with closed expansion tank and underfloor heating - outline
A Valve
B Minimum thermometer
C Circulator
D Closed expansion vessel
E Bleeder
F Safety valve (3 BAR)
G Tank
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.
FIG. 7
J Emptying valve
K Adjustment
L 3-way mixing valve
M Temperature Probe
N Safety thermostat at 45 °C
P Underfloor Heating
R Thermal security valve