Daikin Altherma EAVH16S18DA6V Installation Manual

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Daikin Altherma EAVH16S18DA6V Installation Manual Manual pdf 11 page image

4 InstallationInstallation manual11EAVH/X16S18+23DA6V+9WDaikin Altherma – Low temperature split4P556067-1 – 2018.104.4.4 To connect the backup heater powersupplyWARNINGThe backup heater MUST have a dedicated power supplyand MUST be protected by the safety devices required bythe applicable legislation.CAUTIONTo guarantee the unit is completely earthed, alwaysconnect the backup heater power supply and the earthcable.The backup heater capacity can vary, depending on the indoor unitmodel. Make sure that the power supply is in accordance with thebackup heater capacity, as listed in the table below.Backupheater typeBackupheatercapacityPowersupplyMaximumrunningcurrentZmax*6V 2 kW 1N~ 230 V(c) 9 A —4 kW 1N~ 230 V(c) 17 A(a)(b) 0.22 Ω6 kW 1N~ 230 V(c) 26 A(a)(b) 0.22 Ω2 kW 3~ 230 V(d) 5 A —4 kW 3~ 230 V(d) 10 A —6 kW 3~ 230 V(d) 15 A —*9W 3 kW 3N~ 400 V 4 A —6 kW 3N~ 400 V 9 A —9 kW 3N~ 400 V 13 A —(a) Equipment complying with EN/IEC 61000-3-12 (European/International Technical Standard setting the limits forharmonic currents produced by equipment connected topublic low-voltage systems with input current >16 A and≤75 A per phase.).(b) This equipment complies with EN/IEC 61000‑3‑11(European/International Technical Standard setting thelimits for voltage changes, voltage fluctuations and flicker inpublic low-voltage supply systems for equipment with ratedcurrent ≤75 A) provided that the system impedance Zsys isless than or equal to Zmax at the interface point between theuser's supply and the public system. It is the responsibilityof the installer or user of the equipment to ensure, byconsultation with the distribution network operator ifnecessary, that the equipment is connected only to asupply with a system impedance Zsys less than or equal toZmax.(c) (6V)(d) (6T1)Connect the backup heater power supply as follows:X6MF1BQ1DIaba Factory-mounted cable connected to the backup heatercontactor inside the switch box (K5M)b Field wiring (see table below)Model (powersupply)Connections to backup heater powersupply*6V (6V: 1N~ 230 V)1N~, 50 Hz230 V ACSWB436521K5M 1413Q1DI12345678F1B II I INLX6M BRNGRYBLU1BLU2*6V (6T1: 3~ 230 V)SWB3~, 50 Hz230 V AC436521K5M 141312345678F1B II I IQ1DIL1 L2 L3X6M BRNGRYBLU1BLU2*9W (3N~ 400 V)3N~, 50 Hz400 V ACSWBQ1DIL1 L2 L3 N12345678F1B II I IX6M21K5M 43651413BRNGRYBLKBLUF1B Overcurrent fuse (field supply). Recommended fuse:4‑pole; 20 A; curve 400 V; tripping class C.K5M Safety contactor (in the lower switch box)Q1DI Earth leakage circuit breaker (field supply)SWB Switch boxX6M Terminal (field supply)NOTICEDo NOT cut or remove the backup heater power supplycable.