Pellas X S.Control, Operation And Installation Manual, Page: 19 / 48

19
9.2 SCHEME 2
Pic. 17
Scheme with heating buffer 2 , where:1 – boiler, 2 – burner, 3 – controller, 4 – boiler temperature
sensor CT4, 5 – fumes temperature sensor CT2S (only a preview of temperature), 6 – boiler pump, 7 –
heating buffer, 8 – hot water pump, 9 – hot water container, 10 – hot water temperature sensor CT4, 11 –
servomotor of mixing valve, 12 – room mixer temperature sensor CT4, 13 – mixer pump, 14 – room panel
Room Control with room thermostat function, 15 – thermostatic 3 way valve for return protection, 16 –
buffer higher temperature sensor CT4, 17 – buffer lower temperature sensor CT4, 18 – weather
temperature sensor CT4-P, 19 – additional module B.
RECOMMENDED SETTINGS:
Parameter Setting MENU
Preset boiler temperature 80  C boiler settings
CH pump activating temperature
55  C service settings  CH and HUW settings
Activating operation (buffer service) activated service settings  buffer settings
Buffer loading start temperature 50 service settings  buffer settings
Buffer loading stop temperature 75 service settings  buffer settings
Mixer service 1 activated CO service settings  mixer settings 1
Max mixer preset temperature 1 70  service settings  mixer settings 1
Mixer heating curve 1 0.8 – 1.4 mixer settings 1
Mixer weather control 1 activated mixer settings 1
Mixer thermostat selection 1 ecoSTER T1 service settings  mixer settings 1
2 Shown hydraulic scheme does not replace the project of central heating and serves only as a sample!