Daikin EHVZ04S18CB Installation Manual

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Daikin EHVZ04S18CB Installation Manual Manual pdf 14 page image

5 ConfigurationInstallation manual14EHVZ04~16S18CB3VDaikin Altherma – Low temperature split4P401672-1D – 2017.045.2.2 Quick wizard: StandardBackup heater configuration (only for *9W model)# Code Description[A.2.1.5] [5-0D] BUH type:▪ 1 (1P,(1/1+2)): 6 kW 1~ 230 V (*9W)▪ 3 (3P,(1/1+2)): 6 kW 3~ 230 V (*9W)▪ 4 (3PN,(1/2)): 6 kW 3N~ 400 V (*9W)▪ 5 (3PN,(1/1+2)): 9 kW 3N~ 400 V(*9W)Backup heater relay settingRelay setting Backup heater operationIf backup heaterstep 1 is active:If backup heaterstep 2 is active:1/1+2 Relay 1 ON Relays 1+2 ON1/2 Relay 1 ON Relay 2 ONSpace heating settings# Code Description[A.2.1.7] [C-07] Unit temperature control:▪ 0 (LWT control): Unit operation isdecided based on the leaving watertemperature. This applies to bothtemperature zones.▪ 1 (Ext RT control): Unit operation isdecided by the external thermostat.This applies to both temperaturezones.▪ 2 (RT control): Unit operation for themain temperature zone is decidedbased on the ambient temperature ofthe user interface. The additionaltemperature zone is controlled by theexternal thermostat.[A.2.1.B] N/A Only if there are 2 user interfaces:User interface location:▪ At unit▪ In room (controlling the main zone)[A.2.1.8] [7-02] Number of water temperature zones:▪ 0 (1 LWT zone): Main▪ 1 (2 LWT zones): Main + additional[A.2.1.9] [F-0D] Pump operation:This is applicable for both zones▪ 0 (Continuous): Continuous pumpoperation, regardless of thermo ON orOFF condition.▪ 1 (Sample): When thermo OFFcondition occurs, the pump runs every5 minutes and the water temperatureis checked. If the water temperature isbelow target, unit operation can start.▪ 2 (Request): Pump operation basedon request. Example: Using a roomthermostat and thermostat createsthermo ON/OFF condition.5.2.3 Quick wizard: OptionsDomestic hot water settings# Code Description[A.2.2.1] [E-05] DHW operation:Can the system prepare domestic hotwater?▪ 0 (No): NOT installed▪ 1 (Yes): Installed[A.2.2.3] [E-07] DHW tank type:▪ 0 (Type 1): N/A.▪ 1 (Type 2)(default). The backup heaterwill also be used for domestic hotwater heating.Range: 0~6. However, values 2~6 arenot applicable for this setting. If thesetting is set to 6, an error code willappear and the system will NOT operate.[A.2.2.A] [D-02] Domestic hot water pump:▪ 0 (No): NOT installed▪ 1 (Secondary rtrn): Installed for instanthot water▪ 2 (Disinf. shunt): Installed fordisinfectionSee also illustrations below.Domestic hot water pump installed for…Instant hot water Disinfectioncfbagcba d fe ga Indoor unitb Tankc Domestic hot water pumpd Heater elemente Non‑return valvef Showerg Cold waterThermostats and external sensorsFollowing combinations are possible to control the unit (notapplicable when [C‑07]=0):When [C‑07]=2 (RT control)User interface atindoor unit(1)User interface atmain zoneExternal roomthermostat atadditional zoneWhen [C‑07]=1 (Ext RT control)User interface atindoor unitExternal roomthermostat at mainzoneExternal roomthermostat atadditional zone(1) Not mandatory.