Immergas VICTRIX PRO V2 - 5.13 Wiring diagram two direct heating zones and DHW pump - OpenTherm

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5.13 WIRING DIAGRAM TWO DIRECT HEATING ZONES AND DHW PUMP  OPENTHERM
Key: A37 - Connection sheet (loads) A38 - Connection card (signals) B1-2 - System ow probe (NTC) (optional) B2 - Domestic hot water probe (NTC) (optional) B4 - External probe (NTC) (optional) H1 - “ERROR" warning light (230 Vac) (optional) H2 - “Burner on” indicator light (230 Vac) (optional) M3 - DHW pump (optional) M10-1 - Zone 1 pump (optional) M10-2 - Zone 2 circulator pump (optional) S20-1 - Zone 1 room thermostat (optional) S20-2 - Zone 2 room thermostat (optional) 1 - 230 Vac - 50 Hz 2 - External relay (optional) - Coil 230 Vac Max. 0.1 A 3 - Master appliance 4 - Slave appliance (last boiler) 5 - Simple cascade appliance communication BUS
(make connections as per specic diagram)
“HYDRAULIC SETTINGS” PARAMETER CONFIGURATION TABLE ('TECHNICIAN' MENU)
Parameter/menu name Setting
“Relay settings” submenu: - K70-A1 - K70-A2 - K70-A3 - K70-A4 - K70-A5 - K70-A6 - K70-A7 System pump conguration
- Zone 1 pump - Zone 2 pump - Domestic hot water pump: - Relay not used - Relay not used - Burner on - Error - not used
- System sensor - Type of heating request - DHW request type - Parallel mode
- Heating + domestic hot water mode - Room thermostat setpoint - Sensor - Disabled
Openerm: Make sure that the OpenTherm thermostat is compatible with the appliance Notes: See further tables and notes pertaining to this scheme in section 5.10, "Tables and notes common to simple cascade wiring diagrams".