Functionality
ESIE13-02
Part 1 – System Outline
26
3
11
4
5
Gas boiler only
mode
The pump and gas boiler are enabled.
Space heating is enabled. It works alternating depending on the demand of domestic hot water. If there
is a domestic hot water demand, the unit stops serving the heating and turns in domestic hot water
mode.
Allowable outdoor temperature range: max 25°C.
a
Outdoor unit
b
Indoor unit
c
Plate heat exchanger
d
Gas boiler
e
3-way valve
RADIATOR
PUMP
b
d
e
c
a