Daikin ERHQ011BA Installer's Reference Manual

Also see for ERHQ011BA: Installer's reference guide

Contents

Installer reference guide25 EHBH/X16Daikin Altherma - Low Temperature Split4P313776-1 – 2012.057 Installation7.3.2 To fill the water circuit1 Connect the water supply hose to the drain and fill valve.2 Open the drain and fill valve.3 Make sure that the automatic air purge valve is open (at least 2turns).4 Fill the circuit with water until the manometer indicates apressure of ±2.0 bar.5 Purge as much air as possible from the water circuit.6 Close the drain and fill valve.7 Disconnect the water supply hose from the drain and fill valve.7.3.3 To fill the domestic hot water tankFor installation instructions, see the installation manual of thedomestic hot water tank.7.3.4 To insulate the water pipingThe piping in the complete water circuit must be insulated to preventcondensation during cooling operation and reduction of the heatingand cooling capacity.If the temperature is higher than 30°C and the humidity is higher thanRH 80%, the thickness of the sealing materials should be at least20 mm to prevent condensation on the surface of the sealing.7.4 Connecting the electrical wiring7.4.1 About electrical complianceOnly for ERLQ006CAV3+ERLQ008CAV3Equipment complying with EN/IEC 61000-3-12(European/International Technical Standard setting the limits forharmonic currents produced by equipment connected to public low-voltage systems with input current >16 A and ≤75 A per phase.).Only for indoor unitsSee To connect the backup heater power supply.7.4.2 To connect the electrical wiring on theindoor unit1 To open the indoor unit, see To open the indoor unit.2 Wiring should enter the unit from the bottom.3 Routing of the wiring inside the unit should be as follows:INFORMATIONFor location of the air purge valve, see Components: Indoorunit.NOTICEQ Air in the water circuit can cause malfunctioning of thebackup heater. During filling, it may not be possible toremove all the air from the circuit. Remaining air will beremoved through the automatic air purge valves duringthe initial operating hours of the system. Additionalfilling with water afterwards may be required.Q To purge the system, use the special function asdescribed in To perform an air purge. This functionshould be used to purge the heat exchanger coil of thedomestic hot water tank.NOTICEThe water pressure indicated on the manometer will varydepending on the water temperature (higher pressure athigher water temperature).However, at all times water pressure shall remain above1 bar to avoid air entering the circuit.DANGER: RISK OF ELECTROCUTIONINFORMATIONMore information about the legend and the location of thewiring diagram of the unit can be found in Wiring diagram.aa bca bc