18
9
Hydraulic diagrams
The presented hydraulic diagram does not replace central heating engineering
design and may be used for information purposes only.
Diagram with 4-way control valve for central heating circuit: 1 – boiler, 2 – controller, 3 - water
temperature sensor returning to the boiler, 4 – boiler temperature sensor, 5 – exhaust temperature sensor
(temperature monitoring only), 6 – 4-way valve servo, 7 – mixer circuit pump, 8 – mixer circuit temperature
sensor, 9 – HUW container, 10 – HUW pump, 11 – HUW sensor, 12 – weather temp. sensor, 13 – ecoSTER
TOUCH room control panel or standard room thermostat, 14 – thermal isolation.
In order for the valve (6) to be able to effectively increase the return water temperature,
set a high set temperature of the boiler. In order to improve the water circulation in
natural systems (highlighted circuit in the figure): use large nominal diameter pipes and
four-way valve, avoid unnecessary angles and reductions, maintain a min. 2° horizontal
pipe slope, etc. If the sensor (3) is attached to the pipe, isolate it with foam surrounding
the pipe and sensor.
RECOMMENDED SETTINGS:
Parameter
Setting
MENU
Preset boiler temperature
75-80
C
menu
Boiler settings
Min. preset boiler temperature
65
C
menu
Service settings
Boiler settings
Increasing of preset boiler temp.
5-20
C
menu
Service settings
CH and HUW settings
Mixer 1 support
CH ON
menu
Service settings
Mixer 1 settings
Maxer 1 preset temperature
70
C
menu
Service settings
Mixer 1 settings
Mixer 1 heating curve
0.8 – 1.4
menu
Mixer 1 settings
Mixer 1 weather control
ON
menu
Mixer 1 settings
Mixer 1 thermostat selection
ecoSTER T1
menu
Service settings
Mixer 1 settings
Summary of Contents for ecoMAX860P TOUCH
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