Daikin EKHWS-BA3Z2 Installation Manual
Daikin EKHWS-BA3Z2 Installation Manual

Daikin EKHWS-BA3Z2 Installation Manual

Domestic hot water tank for air to water heat pump system

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INSTALLATION MANUAL
Domestic hot water tank for air to
water heat pump system
EKHWS150BA3V3
EKHWS200BA3V3
EKHWS300BA3V3
EKHWS200BA3Z2
EKHWS300BA3Z2

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Summary of Contents for Daikin EKHWS-BA3Z2

  • Page 1 INSTALLATION MANUAL Domestic hot water tank for air to water heat pump system EKHWS150BA3V3 EKHWS200BA3V3 EKHWS300BA3V3 EKHWS200BA3Z2 EKHWS300BA3Z2...
  • Page 3: Table Of Contents

    ELECTRIC SHOCK, SHORT-CIRCUIT, LEAKS, FIRE OR OTHER DAMAGE TO THE EQUIPMENT. BE SURE ONLY Thermistor + connection wire (12 m) TO USE ACCESSORIES MADE BY DAIKIN WHICH ARE Contactor - fuse assembly SPECIFICALLY DESIGNED FOR USE WITH THE EQUIPMENT AND HAVE THEM INSTALLED BY A Contactor fixing screw...
  • Page 4: Installation Of The Ekhws Domestic Hot Water Tank

    Daikin cannot guarantee neither good operation nor reliability of the system. For those reasons Daikin cannot give warranty of the system in such case. The equipment is not intended for use in a potentially explosive atmosphere.
  • Page 5: Outlook Diagram

    Safety devices Installing the domestic hot water tank The domestic hot water tank relief valve connections Check if all domestic hot water tank accessories (see may not be used for other purpose. "Accessories" on page 1) are enclosed. Do not install heaters without thermal cut-outs. When floor mounting, place the domestic hot water tank on a Thermal protector —...
  • Page 6 Unpack the 3-way valve body and 3-way valve motor. Put the scale on the valve as shown below. Verify that following accessories are provided with the motor. Domestic hot Domestic hot water tank Room heating Room heating water tank Installation in accordance with Installation in accordance with figure B and figure C figure A and figure D...
  • Page 7: Field Wiring

    Procedure for EKHWS*V3 and EKHWS*Z2 Field wiring Switch off the power supply before making any connections. A main switch or other means for disconnection, having a contact separation in all poles, must be Connections to be made in the domestic hot water tank incorporated in the fixed wiring in accordance with electrical box relevant local and national legislation.
  • Page 8: Maintenance

    Note: only relevant field wiring is shown. AINTENANCE In order to ensure optimal availability of the unit, a number of checks and inspections on the unit and the field wiring have to be carried out at regular intervals. Before carrying out any maintenance or repair activity, always switch off the circuit breaker on the supply panel, remove the fuses or open the protection devices of the unit.
  • Page 9: Troubleshooting

    ROUBLESHOOTING General symptoms This section provides useful information for diagnosing and correct- Symptom 1: No water flow from hot taps ing certain troubles which may occur in the unit. OSSIBLE CAUSES ORRECTIVE ACTION The main water supply is off. Check that all shut off valves of the General guidelines water circuit are completely open.
  • Page 10 NOTES...
  • Page 11 NOTES...
  • Page 12 4P610547-1 2020.01...

Table of Contents