Nimbus Plus M NET R32 Installation Manual UK

Commissioning 1.9.2

Commissioning 1.9.2 Comfort Function Press the selector . Turn the selector to choose the desired item. Configures the domestic hot water production mode as follows: 0 Disabled. 1 Timer based (starts the comfort function for time periods that can be adjusted according to the DHW time schedule). 2 Always active. Press the selector to confirm. 1.9.3 DHW operation mode Press the selector . Turn the selector to choose the desired item. 0 Standard. 1 Green. NOTE: uses only the heat pump in the periods configured with the domestic water auxiliary time schedule. 2 HC - HP. NOTE: the DHW storage tank is heated only by the heat pump when the EDF input is enabled (see Par. 1.1.0 HV input 1 (input configurable to 230 V)) and switches to 230 V (electricity off-peak hours). 3 HC - HP 40. NOTE: function similar to HC - HP, during electricity peak hours (EDF input = 0 V) the hot water storage tank is heated to 40°C. Press the selector to confirm. 1.9.5 Max HP charging time Defines the filling time, carried out only with the heat pump, after which the auxiliary integration sources are switched on when there is no sensor in the cylinder but only the thermostat (Par. 1.0.2 Tank management = 2). 1.9.6 Thermal cleanse function Press the selector . Turn the selector to choose the desired item. 0 OFF. 1 ON. NOTE: when the function is enabled, the DHW cylinder is heated and maintained at 60°C for one hour starting from the function start time (see Par. 1.9.7 Thermal Cleanse start time [hh:mm]), only if there is a cylinder sensor (Par. 1.0.2 Tank management = 1). The operation is repeated after a time period defined by Par. 1.9.8 Thermal Cleanse Cycle frequency. NOTE 2: if the energy back-up sources are deactivated (Par. 1.4.1 DHW active resistance stages = 0) or absent, the thermal sanitisation cycle might not be completed due to the heat pump operation limits. Press the selector to confirm. 1.9.7 Thermal Cleanse start time [hh:mm] Defines the start time of the DHW tank sanitisation function. 1.9.8 Thermal Cleanse Cycle frequency Sets the period of time after which the DHW tank sanitisation function is repeated. 1.10 MANUAL MODE - 1 Manual activation of the system components (circulation pumps, diverter valves, heating elements, etc.). 1.11 MANUAL MODE - 2 1.11.0 Manual mode activation Manual activation of the system components (circulation pumps, diverter valves, heating elements, etc.). Press the selector . Turn the selector to choose the desired item. 0 OFF. 1 ON. Press the selector to confirm. 1.11.1 Force Hp Heat Activates the heat pump in heating mode. Press the selector . Turn the selector to choose the desired item. 0 OFF. 1 ON. Press the selector to confirm. 1.11.2 Force Hp Cool Activates the heat pump in cooling mode. Press the selector . Turn the selector to choose the desired item. 0 OFF. 1 ON. Press the selector to confirm. 1.11.6 Tank electric heater Activates the heating element immersed in the cylinder in DHW mode. Press the selector . Turn the selector to choose the desired item. 0 OFF. 1 ON. Press the selector to confirm. 50 / EN

Commissioning 1.12 TEST & UTILITIES 1.12.0 Air-purge function Activates deaeration of the system; the operation can last up to 18 minutes. Press the selector . Turn the selector to choose the desired item. 0 OFF. 1 ON. Press the selector to confirm. 1.12.1 Antiblocking function enable Activates the anti-lock function of the primary circulation pump. The circulation pump is activated for 30 seconds every 23 hours of inactivity and the diverter valve is set to DWH production. Press the selector . Turn the selector to choose the desired item. 0 OFF. 1 ON. Press the selector to confirm. 1.12.2 Quiet mode activation HHP Press the selector . Turn the selector to choose the desired item. 0 OFF (reduces the heat pump noise level). 1 ON Press the selector to confirm. 1.12.3 Quiet mode start time HHP [hh:mm] Press the selector . Turn the selector to choose the desired item. Press the selector to confirm. 1.12.4 Quiet mode end time HHP [hh:mm] Press the selector . Turn the selector to choose the desired item. Press the selector to confirm. 1.12.5 Floor drying cycle Defines the screed drying programme for under-floor systems using the following values: Press the selector . Turn the selector to choose the desired item. 0 OFF. 1 Functional Heating (screed heating at a fixed temperature of 25°C for 3 days, then at the temperature defined by Par 1.12.6 Floor drying Flow Set Point T). Temperature °C 60 50 40 30 20 10 0 0 1 2 3 4 5 6 7 8 9 Period (days) Fig. 80 2 Curing Heating (screed heating at a variable temperature from 25°C to the temperature defined by Par. 1.12.6 Floor drying Flow Set Point T, according to the period specified as an example in the chart for an 18-day period) Temperature °C 60 40 20 set point 55°C set point 40°C 0 0 2 4 6 8 10 12 14 16 18 20 Period (days) Fig. 81 3 Functional Heating + Curing Heating (screed heating at a fixed temperature of 25°C for 3 days, then for a further 4 days at the temperature defined by Par. 1.12.6 Floor drying Flow Set Point T, then at a variable temperature from 25°C to the temperature defined by Par. 1.12.6 Floor drying Flow Set Point T, according to the period specified as an example in the chart for an 18-day period) Temperature °C 80 60 40 20 set point 55°C set point 60°C 0 0 5 10 15 20 25 30 Period (days) Fig. 82 EN / 51