Daikin Altherma EHVH04SU18CB6W Installation Manual
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4 InstallationInstallation manual10EHVH04+08SU18CB6W + EHVH08~16SU26CB6WDaikin Altherma – Low temperature split4P449980-1B – 2016.11Routing Possible cables (depending on unit type and installed options)aLow voltage▪ Preferential power supply contact▪ User interface▪ Power consumption digital inputs (field supply)▪ Outdoor ambient temperature sensor (option)▪ Indoor ambient temperature sensor (option)▪ Electrical meters (field supply)▪ Safety thermostat (field supply)bHigh voltage power supply▪ Interconnection cable▪ Normal kWh rate power supply▪ Preferential kWh rate power supply▪ Power supply for backup heater▪ Power supply for booster heater (in DHW tank)▪ Power supply for bottom plate heater (option)cHigh voltage control signal▪ Heat pump convector (option)▪ Room thermostat (option)▪ Shut-off valve (field supply)▪ Domestic hot water pump (field supply)▪ Alarm output▪ Changeover to external heat source control▪ Space heating operation controlCAUTIONDo NOT push or place redundant cable length in the unit.4.5.3 To connect the main power supply1 Connect the main power supply.In case of normal kWh rate power supplyX1M1 2 31 2 3X2MX5MX6YBX6YAX6YX1A X19A30 31aLegend: see illustration below.In case of preferential kWh rate power supplyConnect X6Y to X6YB.X1M1 2 31 2L NL N 3X2MX5MX6YBX6YAX6YX1A X19AS1S30 313 4abca Interconnection cable (=main power supply)b Normal kWh rate power supplyc Preferential power supply contact2 Fix the cable with cable ties to the cable tie mountings.INFORMATIONIn case of preferential kWh rate power supply, connectX6Y to X6YB. The necessity of separate normal kWh ratepower supply to indoor unit (b) X2M30/31 depends on thetype of preferential kWh rate power supply.Separate connection to the indoor unit is required:▪ if preferential kWh rate power supply is interruptedwhen active, OR▪ if no power consumption of the indoor unit is allowed atthe preferential kWh rate power supply when active.INFORMATIONThe preferential kWh rate power supply contact isconnected to the same terminals (X5M/3+4) as the safetythermostat. It is only possible for the system to haveEITHER preferential kWh rate power supply OR a safetythermostat. |
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