Daikin EBHQ006BAV3 Installation Manual

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Daikin EBHQ006BAV3 Installation Manual Manual pdf 29 page image

EBHQ006+008BAV3 + EKCBX/H008BAV3Unit for air to water heat pump system4PW64602-1A – 09.2010Installation manual2712.10.Indoor switch box connectionsConnection of control signals and thermistor cable1 Indoor unit control signals2 Indoor unit pump and heater control signals3 Thermistor interconnection cable4 In case no EKHW* option with booster heater isinstalled, connect an extra ground wire to theground terminal.1 Remove the control box cover.2 Using the appropriate cables, route and connect the controlcables to the appropriate terminals as shown on the wiringdiagram supplied with the unit and according to the figure above.3 Route and connect the thermistor interconnection cable asshown in the figure above.Be sure not to force the connectors. The connectors lock in oneposition only. Check both connector sides for correct matching.4 Route the cables through the cable holders and secure thecables to the cable tie mountings with cable ties as shown in thefigure above.5 Close the control box cover. Take care not to pinch any wires.Connection heater kit signalsRefer to the installation manual of the EKMBUH heater kit.Connection of the thermostat cableConnection of the thermostat cable depends on the application.See also "8. Typical application examples" on page 11 and"13.2. Room thermostat installation configuration" on page 28 formore information and configuration options on pump operation incombination with a room thermostat.Thermostat requirements■ Power supply: 230 V AC or battery operated■ Contact voltage: 230 V.Procedure1 Connect the thermostat cable to the appropriate terminals asshown on the wiring diagram and installation manual of the roomthermostat kit.2 Fix the cable with cable ties to the cable tie mountings to ensurestrain relief.3 Set DIP switch SS2-3 on the PCB to ON. See "13.2. Roomthermostat installation configuration" on page 28 for moreinformation.Connection of the first set point and second set point contactsThe connection of the set point contact is only relevant in case dualset point contact is enabled.See also "8. Typical application examples" on page 11 and "Dual setpoint control" on page 35.Contact requirementsThe contact shall be a voltage free contact that ensure 230 V(100 mA).Procedure1 Connect the contact of first set point and second set point to theappropriate terminals as shown in the figure below2 Fix the cables with cable ties to the cable tie mountings toensure strain relief.3 Depending on the required pump operation set DIP switchSS2-3 and field setting [F-00]. See "13.3. Pump operationconfiguration" on page 29 and field setting [F-00] in "[F] Optionsetup" on page 39.X3MX14MSS24 1 2F1BX4MFU1X13AX9AX15MX2MFU23X2MSP1SP21 2 3 4SP1 First set point contactSP2 Second set point contact