Daikin ERHQ011BA Installer's Reference Manual

Also see for ERHQ011BA: Installer's reference guide

Contents

Installer reference guide15 EHBH/X16Daikin Altherma - Low Temperature Split4P313776-1 – 2012.055 Application guidelines5.4.6 DHW pump for instant hot waterSetupQ By connecting a DHW pump, instant hot water can be availableat the tap.Q The DHW pump and the installation are field supply and theresponsibility of the installer.Q For more information about connecting the recirculationconnection (for integrated DHW tank), see the installationchapter.ConfigurationQ For more information, see the configuration chapter.Q You can program a schedule to control the DHW pump via theuser interface. For more information, see the user referenceguide.5.4.7 DHW pump for disinfectionSetupQ The DHW pump and the installation are field supply and theresponsibility of the installer.Q For the integrated DHW tank, the temperature of the DHW tankcan be set to maximum 60°C. If applicable legislation requireshigher temperature for disinfection, you can connect a DHWpump and heater element as shown above.Q If applicable legislation requires disinfection of the water pipinguntil the tapping point, you can connect a DHW pump andheater element (if needed) as shown above.ConfigurationThe indoor unit can control DHW pump operation. For moreinformation, see the configuration chapter.5.5 Setting up the energy meteringQ Via the user interface, you can read out the following energydata:Q Produced heatQ Consumed energyQ You can read out the energy data:Q For space heatingQ For space coolingQ For domestic hot water productionQ You can read out the energy data:Q Per monthQ Per year5.5.1 Produced heatQ Applicable for all models.Q The produced heat is calculated internally based on:Q The leaving and entering water temperatureQ The flow rateQ The power consumption of the booster heater (if applicable)in the domestic hot water tankQ Setup and configuration:Q No additional equipment needed.Q Only in case a booster heater is present in the system,measure its capacity (resistance measurement) and set thecapacity via the user interface. Example: If you measure abooster heater resistance of 17.1 Ω, the capacity of theheater at 230 V is 3100 W.5.5.2 Consumed energyYou can use the following methods to determine the consumedenergy:Q CalculatingQ MeasuringCalculating the consumed energyQ Only applicable for EHBH/X04+08 and EHVH/X04+08.Q The consumed energy is calculated internally based on:Q The actual power input of the outdoor unitQ The set capacity of the backup heater and booster heaterQ The voltageQ Setup and configuration: To get accurate energy data, measurethe capacity (resistance measurement) and set the capacity viathe user interface for:Q The backup heater (step 1 and step 2)Q The booster heaterMeasuring the consumed energyQ Applicable for all models.Q Preferred method because of higher accuracy.Q Requires external power meters.Q Setup and configuration:Q For the specifications of each type of meter, see technicaldata.Q When using electrical power meters, set the number ofpulses/kWh for each power meter via the user interface.Consumed energy data for EHVH/X16 and EHBH/X16models will only be available if this setting is configured.a Solar panelsb Solar pump stationc Solar pump station controller with temperature sensorsc1 Tank temperature sensorc2 Return temperature sensor to solar panelsc3 Supply temperature with flow meter from solar panelsc4 Solar panel temperature sensord Solar kite DHW temperature sensor of the unitf Solenoid 2-way valve (only for UK). Obligatory forcompliance to UK building regulation G3.Heating systemExample of unita Indoor unitb DHW tankc DHW pumpf Showerg Cold waterh Domestic hot water OUTi Recirculation connectiona Indoor unitb DHW tankc DHW pumpd Heater elemente Non-return valvef Showerg Cold waterh Domestic hot water OUTi Recirculation connectioncfab ghicabd fe ghiNOTICEYou cannot combine calculating the consumed energy(example: for backup heater) and measuring the consumedenergy (example: for outdoor unit). If you do so, the energydata will be invalid.NOTICEWhen measuring the electrical power consumption, makesure ALL power input of the system is covered by theelectrical power meters.