Functionality
ESIE13-02
Part 1 – System Outline
24
3
11
4
5
Hybrid operation
mode
The heat pump, pump and gas boiler are enabled.
Space heating is enabled.
Allowable outdoor temperature range: -25 to 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