Plum ecoMAX920P1-K TOUCH Installation And Operating Manual page 21

Scheme with two adjustable heating circuits and the HUW container
exchanger, 3 – regulator, 4 – boiler temperature sensor, 5 – exhaust temperature sensor, 6 – boiler pump,
8 – HUW pump, 9 - mixer valve actuator, 10 – mixer temperature sensor, 11 – mixer pump, 12 – standard
room thermostat or ecoSTER TOUCH room panel, eSTER_x40 room thermostat, 13 – HUW temperature
sensor, 14 - outside
pump, 16 – expansion tank, 17 – HUW container, 18 - circulation pump, 19 - control panel in the separated
version, 20 - additional module B.
RECOMMENDED SETTINGS:
Parameter
CH pump activation temperature
Mixer 1 support
Max. mixer 1 temp.
Mixer 1 heating curve
Mixer 1 weather control
Thermostat select.
Mixer 2 support
Max. mixer 2 temp.
Mixer 2 heating curve
Mixer 2 weather control
Thermostat select.
2
The presented hydraulic diagram does not replace central heating engineering design and may be used for
information purposes only!
18
17
19
temperature sensor (weather), 15 – safety thermostat off the underfloor heating
Setting
55C
CH ON
70C
0.8 – 1.4
ecoSTER T1
Floor on
45C
0.3 – 0.8
ecoSTER T1
eSTER T1
Service settings  CH and HUW settings
Service settings  Mixer 1 settings
Service settings  Mixer 1 settings
Mixer 1 settings
ON Mixer 1 settings
Service settings  Mixer 1 settings
Service settings  Mixer 2 settings
Service settings  Mixer 2 settings
Mixer 2 settings
ON Mixer 2 settings
Service settings  Mixer 2 settings
21
20
2 : 1 – boiler, 2 – heat
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