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ACCESSORIES TYPICAL When the system is used in series with another heat source (e.g. gas boiler), it shall be made sure that the return water temperature to the heat exchanger does not exceed 55°C. Daikin shall not be held liable for any damage resulting from not observing this rule. Accessories supplied with the indoor unit Installation manual APPLICATION EXAMPLES 1 The application examples given below are for illustration purposes only. Operation manual 1 Application 1 Shut-off valve 2 Wall mounting bracket 1 Space heating only application with a room thermostat connected to the indoor unit. T Wiring diagram sticker (inside indoor unit cover) 1 Drain pan and fixing screws (only for EKHBX models) 1 Indoor unit cover fixing screw + nylon washer 2 1 2 3 4 5 6 FHL1 7 FHL2 FHL3 Accessories supplied with the sanitary water tank (optional) Thermistor + connection wire (12 m) 1 1 Outdoor unit 6 Collector (field supply) 2 Indoor unit 7 Shut-off valve 3 Heat exchanger 4 Pump 5 Shut-off valve FHL1..3 Floor heating loop (field supply) T Room thermostat (field supply) Pump operation and space heating Thermistor socket 1 Prewired contactor and circuit breaker assembly 1 Contactor fixing screw 2 When a room thermostat (T) is connected to the indoor unit, the pump (4) will operate when there is a heating request from the room thermostat, and the outdoor unit will start operating to achieve the target leaving water temperature as set on the user interface. When the room temperature is above the thermostat set point, the outdoor unit and pump will stop operating. EKHBH/X007A+EKSWW150-300V3/Z2 Indoor unit for air to water heat pump and sanitary warm water tank for air to water heat pump system 4PW30818-1 Make sure to connect the thermostat wires to the correct terminals (see "Connection of the thermostat cable" on page 16) and to configure the DIP switch toggle switches correctly (see "Room thermostat installation configuration" on page 19). Installation manual 3