Daikin EHVZ04S18CB Installation Manual

Also see for Altherma EHVZ04S18CB: Installation manual Reference guide Installer's reference guide User reference guide

Daikin EHVZ04S18CB Installation Manual Manual pdf 23 page image

8 Technical dataInstallation manual23EHVZ04~16S18CB3VDaikin Altherma – Low temperature split4P401672-1D – 2017.048.2 Wiring diagram: Indoor unitSee the internal wiring diagram supplied with the unit (on the inside of the indoor unit switch box cover). The abbreviations used are listedbelow.Notes to go through before starting the unitEnglish TranslationNotes to go through beforestarting the unitNotes to go through beforestarting the unitX1M Main terminalX2M Field wiring terminal for ACX5M Field wiring terminal for DCEarth wiring15Wire number 15Field supply**/12.2Connection ** continues on page12 column 21Several wiring possibilitiesOptionNot mounted in switch boxWiring depending on modelPCBUser installed options User installed optionsDomestic hot water tank Domestic hot water tankRemote user interface Remote user interfaceExt. indoor thermistor External indoor thermistorExt outdoor thermistor External outdoor thermistorDigital I/O PCB Digital I/O PCBDemand PCB Demand PCBBottom plate heater Bottom plate heaterMain LWT Main leaving water temperatureOn/OFF thermostat (wired) On/OFF thermostat (wired)On/OFF thermostat (wireless) On/OFF thermostat (wireless)Ext. thermistor External thermistorHeat pump convector Heat pump convectorSafety thermostat Safety thermostatAdd LWT Additional leaving watertemperatureOn/OFF thermostat (wired) On/OFF thermostat (wired)On/OFF thermostat (wireless) On/OFF thermostat (wireless)Ext. thermistor External thermistorHeat pump convector Heat pump convectorPosition in switch boxEnglish TranslationPosition in switch box Position in switch boxLegendA1P Main PCBA2P User interface PCBA3P * On/OFF thermostat (PC=power circuit)A3P * Heat pump convectorA4P * Digital I/O PCBA4P * Receiver PCB (Wireless On/OFFthermostat)A5P Bizone PCBA6P Current loop PCBA7P Anode driver PCBA8P * Demand PCBB1L Flow sensorDS1 (A5P) DIP switchDS1 (A8P) DIP switchE1A Electrical anodeE3H Backup heater element (3 kW)F1B Overcurrent fuse backup heaterF1T Thermal fuse backup heaterF1U (A4P) * Fuse 5 A 250 V for digital I/O PCBF2U (A4P) * Fuse 5 A 250 V for digital I/O PCBF1U (A5P) Fuse T 2 A 250 V for PCBF2U (A5P) Fuse T 2 A 250 V for PCBFU1 (A1P) Fuse T 6.3 A 250 V for PCBK1M Contactor backup heaterK2M Relay 3-way valve bypassK3M Relay 3-way valve flowK*R (A1P, A4P) Relay on PCBM1P Additional zone pumpM2P # Domestic hot water pumpM3P Main zone pumpM1S Mixing 3-way valveM2S # 2-way valve for cooling modeM3S 3-way valve for space heating/domestic hotwaterPC (A4P) Power circuitPHC1 (A4P) * Optocoupler input circuitQ*DI # Earth leakage circuit breakerQ1L Thermal protector backup heaterQ3L # Safety thermostatR1H (A3P) * Humidity sensorR1T (A1P) Outlet water heat exchanger thermistorR1T (A2P) Ambient sensor user interfaceR1T (A3P) * Ambient sensor On/OFF thermostatR2T (A1P) Outlet backup heater thermistorR2T (A3P) * External sensor (floor or ambient)R3T Refrigerant liquid side thermistorR4T Inlet water thermistorR5T Domestic hot water thermistorR6T * External indoor or outdoor ambientthermistorR7T Mixed leaving water thermistorS1S # Preferential kWh rate power supply contactS2S # Electrical meter pulse input 1S3S # Electrical meter pulse input 2S4S # Safety thermostatS6S~S9S # Digital power limitation inputsSS1 (A4P) * Selector switchTR1 Power supply transformerCN1-2, X*AX*H, X*YConnector