Plum ecoMAX920P2-I, Operation And Installation Manual

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11 Hydraulic diagrams
Basic diagram 1 , where: 1 – boiler without integrated pump, 2 – boiler pump, 3 – direct circuit / hydraulic coupling water
temperature sensor, 4 – hydraulic coupling, 5 – direct heating circuit pump (H1 CIRCUIT), 6 –adjustable heating circuit
pump (H2 CIRCUIT), 7 – valve electrical servo of adjustable circuit (H2 CIRCUIT), 8 – water temperature sensor of
adjustable circuit (H2 CIRCUIT), 9 – valve electrical servo of adjustable circuit (H3 CIRCUIT), 10 – adjustable heating
circuit pump (H3 CIRCUIT), 11 – water temperature sensor of adjustable circuit (H3 CIRCUIT), 12 – controller output
module, 13 – external temperature sensor, 14 – HUW pump, 15 – temperature sensor of water inside HUW tank, 16 -
HUW circulating pump, 17 – solar pump, 18 – solar panel, 19 – controller control panel with room thermostat function, 20
– boiler with integrated pump, 21 – mechanical protective thermostat for protecting floor circuit against excessive water
temperature, 22 –HUW tank lower temperature sensor (lower solar sensor), 23 – solar collector temperature sensor.
PROPOSED SETTINGS:
Circuit Parameter Setting MENU
Support ON menu  service settings  CIRCUIT 1 settings
Room thermostat selection PANEL1 menu  service settings  CIRCUIT 1 settings
Support ON RADIATORS menu  service settings  CIRCUIT 2 settings
Room thermostat selection PANEL1 menu  service settings  CIRCUIT 2 settings
Maximum temperature 80  C menu  service settings  CIRCUIT 3 settings
Support ON FLOOR menu  service settings  CIRCUIT 3 settings
Room thermostat selection PANEL1 menu  service settings  CIRCUIT 3 settings
Maximum temperature 50  C menu  service settings  CIRCUIT 3 settings
Hydraulic diagram 0 menu  service settings  System
1
This hydraulic diagram shall not be considered as a project of central heating system and can be used only as a
reference!