Related Manuals for Daikin EKHBX016BA Series
Summary of Contents for Daikin EKHBX016BA Series
- Page 1 INSTALLATION MANUAL Indoor unit for air to water heat pump system EKHBH016BA EKHBX016BA...
- Page 2 ≥350 1-1/4" FBSP 1-1/4" MBSP...
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Page 3: Table Of Contents
12. The units can be Field settings.................... 24 Field settings table ................... 33 combined with Daikin fan coil units, floor heating applications, low temperature radiators, Daikin domestic water heating applications Test run and final check..............35 and solar kit for domestic hot water applications. -
Page 4: Scope Of This Manual
Connection to a benefit kWh rate power supply NOTE An ERLQ0* BA outdoor unit can only be This equipment allows for connection to benefit kWh rate power connected to an EKHBH/X016 BA indoor unit supply delivery systems. Full control of the unit will remain possible (bottom plate heater at outdoor unit has to be only in case the benefit kWh rate power supply is of the type that controlled by indoor unit). -
Page 5: Safety Considerations
Caution AFETY CONSIDERATIONS Earth the unit. The precautions listed here are divided into the following four types. Earthing resistance should be according to local and national Both cover very important topics, so be sure to follow them carefully. regulations. Do not connect the earth wire to gas or water pipes, Meanings of DANGER , WARNING , CAUTION and NOTE symbols. -
Page 6: Typical Application Examples
YPICAL APPLICATION EXAMPLES Application 2 The application examples given below are for illustration purposes Space heating only application without room thermostat connected to only. the indoor unit. The temperature in each room is controlled by a valve on each water circuit. Domestic hot water is provided through the domestic hot water tank which is connected to the indoor unit. -
Page 7: Application 3
Domestic water heating Pump operation and space heating and cooling When domestic water heating mode is enabled (either manually by According to the season, the customer will select heating or cooling the user, or automatically through a schedule timer) the target on the room thermostat (T). -
Page 8: Application 5
Indoor unit thermostat (field supply) Space heating with an auxiliary boiler (alternating operation) Heat exchanger Space heating application by either the Daikin indoor unit or by an Pump FCU1..3 Fan coil unit with auxiliary boiler connected in the system. The decision whether either... - Page 9 Make sure that the room thermostat (th) is not frequently turned ON/OFF. Daikin shall not be held liable for any damage resulting from failure to observe this rule. (a) The aquastat valve must be set for 55°C and must operate to close the return water flow to the unit when the measured temperature exceeds 55°C.
- Page 10 When the room temperature of both zones is above the thermostat set point, the outdoor unit and pump will stop operating. Daikin only offers a dual set point control function. By this function two set points can be generated. Depending on the required water...
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Page 11: Overview Of The Indoor Unit
VERVIEW OF THE INDOOR UNIT DANGER Do not touch water pipes during and immediately after Opening the indoor unit operation as the pipes may be hot. Your hand may suffer burns. To avoid injury, give the piping time to return to normal temperature or be sure to wear The front flap on the indoor unit cover gives access to the proper gloves. -
Page 12: Main Components
13. Drain and fill valves Main components 14. Water filter The water filter removes dirt from the water to prevent damage to the pump or blockage of the evaporator. The water filter must be cleaned on a regular base. See "Maintenance and service"... -
Page 13: Switch Box Main Components
12. X9A socket Switch box main components The X9A socket receives the thermistor connector (only for installations with domestic hot water tank). 13. Pump fuse FU2 (in line fuse) 14. Pump relay K4M 15. Transformer TR1 16. A4P Digital I/O PCB (only for installations with solar kit or digital I/O PCB kit). -
Page 14: Installation Of The Indoor Unit
NSTALLATION OF THE INDOOR UNIT Dimensions and service space Unit of measurement: mm Selecting an installation location Dimensions of the unit, see figure 3 The unit is to be wall mounted in an indoor location that meets the Flexible drain hose Refrigerant gas following requirements: connection... -
Page 15: Mounting The Indoor Unit
Mounting the indoor unit Installation of the EKHBDP drain pan kit (only for EKHBX models) CAUTION For heating/cooling models, it is necessary to install the drain pan kit (see "Accessories" on page The weight of the indoor unit is approximately 48 kg. Two persons are required to mount the unit. - Page 16 NOTE Before continuing the installation of the unit, check the NOTE When circulation in each space heating loop is following points: controlled by remotely controlled valves, it is important that this minimum water volume is kept even if all the The maximum water pressure = 3 bar + static valves are closed.
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Page 17: Charging Water
Connecting the water circuit Calculating the pre-pressure of the expansion vessel The pre-pressure (Pg) to be set depends on the maximum Water connections must be made in accordance with local installation height difference (H) and is calculated as below: regulations and the outlook diagram delivered with the unit, respecting the water in- and outlet. -
Page 18: Piping Insulation
Overview NOTE During filling, it might not be possible to remove all The illustration below gives an overview of the required field wiring air in the system. Remaining air will be removed between several parts of the installation. Refer also to "Typical through the automatic air purge valves during first application examples"... - Page 19 Field wiring guidelines WARNING Most field wiring on the indoor unit side is to be made on the After finishing the electric work, confirm that each electric terminal block inside the switch box. To gain access to the part and terminal inside the electric parts box is connected terminal block, remove the indoor unit cover and switch box securely.
- Page 20 Connection of the backup heater power supply Procedure Connect the thermostat cable to the appropriate terminals as Power circuit and cable requirements shown on the wiring diagram and installation manual of the room thermostat kit. Use a dedicated power circuit for the backup heater and booster heater.
- Page 21 Wiring the 3-way valve The indoor unit is designed to receive an input signal by which the unit switches into forced off mode. At that moment, the outdoor unit Using the appropriate cable, connect the valve control cable to compressor will not operate. the appropriate terminals as shown on the wiring diagram.
- Page 22 Possible types of benefit kWh rate power supply When connecting the equipment to a benefit kWh rate Possible connections and requirements to connect the equipment to power supply, change field setting [D-01]. In case the such power supply are illustrated in the figure below: benefit kWh rate power supply is of the type that power supply is not interrupted (like illustrated above as type 1) [D-01]=1...
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Page 23: Start-Up And Configuration
Wire the unit. TART UP AND CONFIGURATION The indoor unit should be configured by the installer to match the installation environment (outdoor climate, installed options, etc.) and user expertise. It is important that all information in this chapter is read sequentially by the installer and that the system is configured as applicable. -
Page 24: Pump Operation Configuration
Pump operation configuration When the room thermostat is connected to the indoor unit, the heating and cooling schedule timers are never available. Other schedule timers are not NOTE To set the pump speed, refer to "Setting the pump affected. For more information on the schedule timers, speed"... -
Page 25: Domestic Hot Water Tank Installation Configuration
Internal wiring Domestic hot water tank installation configuration Visually check the switch box on loose connections or damaged electrical components. When no domestic hot water tank is Fixation installed, toggle switch SS2-2 should be set to OFF (default). Check that the unit is properly fixed, to avoid abnormal noises and vibrations when starting up the unit. -
Page 26: Field Settings
Detailed description Field settings [0] User permission level The indoor unit shall be configured by the installer to match the If required, certain user interface buttons can be made unavailable for installation environment (outdoor climate, installed options, etc.) and the user. user demand. - Page 27 [2] Disinfection function [4] Backup/booster heater operation and space heating off temperature Applies only to installations with a domestic hot water tank. Backup heater operation The disinfection function disinfects the domestic hot water tank by The operation of the backup heater can altogether be enabled or periodically heating the domestic hot water to a specific temperature.
- Page 28 [4-03]=1, then booster heater heater operation is only Space heating priority temperature Applies only to installations — determined by booster heater OFF temperature (T with a domestic hot water tank. The 'space heating priority — BH OFF booster heater ON temperature (T ) and/or schedule temperature' field settings apply to operation of the 3-way valve and BH ON...
- Page 29 [6] DT for heat pump domestic water heating mode [7] DT for booster heater and dual set point control Applies only to installations with a domestic hot water tank. DT for booster heater The 'DT (temperature difference) for heat pump domestic water Applies only to installations with a domestic hot water tank.
- Page 30 [7-01] Hysteresis value booster heater: temperature [8] Domestic water heating mode timer difference determining the booster heater ON temperature Applies only to installations with a domestic hot water tank. ). T – [7-01] BH ON BH ON BH OFF The 'domestic water heating mode timer' field settings defines the minimum and maximum domestic water heating times, minimum time minimum value...
- Page 31 [8-03] Booster heater delay time: specifies the start-up time [8-04] Additional running time at [4-02]/[F-01]: specifies the delay of the booster heater operation when heat pump additional running time on the maximum running time at domestic water heating mode is active. outdoor temperature [4-02] or [F-01].
- Page 32 The purpose of this function is to YC Y1 Y2 Y3 Y4 determine —based on the outdoor temperature— which heating source can/will provide the space heating, either the Daikin indoor unit or an auxiliary boiler. The field setting "bivalent operation" apply only the indoor unit space heating operation and the permission signal for the auxiliary boiler.
- Page 33 [D] Benefit kWh rate power supply/Local shift value weather Outdoor temperature range dependent [D-03] Local shift value Benefit kWh rate power supply — — [D-00] Switching off heaters: Defines which heaters are –2°C~2°C switched off when the benefit kWh rate signal of the electricity company is received.
- Page 34 Functionality of X14A [F-04] Functionality of X14A: specifies if the logic of X14A follows the output signal for the solar kit model (EKSOLHW) EKHBH/X_AA/AB (0) or if the logic of X14A follows the output for the bottom plate heater (1). Independent from field setting [F-04], the contact NOTE X3-X4 (EKRP1HB) follows the logic of the output...
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Page 35: Field Settings Table
Field settings table Installer setting at variance with default value First Second Default code code Setting name Date Value Date Value value Range Step Unit User permission level User permission level — Weather dependent set point Low ambient temperature (Lo_A) –10 –20~5 °C... - Page 36 Installer setting at variance with default value First Second Default code code Setting name Date Value Date Value value Range Step Unit Heating and cooling set point ranges Heating set point upper limit 37~55 °C Heating set point lower limit 15~37 °C Cooling set point upper limit...
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Page 37: Test Run And Final Check
The test run operation will end automatically after 30 minutes or EST RUN AND FINAL CHECK when reaching the set temperature. The test run operation can be stopped manually by pressing the z button once. If there are The installer is obliged to verify correct operation of the indoor and misconnections or malfunctions, an error code will be displayed outdoor unit after installation. -
Page 38: Troubleshooting
ROUBLESHOOTING WARNING Do not touch the refrigerant pipes during and This section provides useful information for diagnosing and immediately after operation as the refrigerant pipes correcting certain troubles which may occur in the unit. may be hot or cold, depending on the condition of the This troubleshooting and related corrective actions may only be refrigerant flowing through the refrigerant piping, carried out by your local technician. -
Page 39: General Symptoms
Symptom 5: The water pressure relief valve leaks General symptoms OSSIBLE CAUSES ORRECTIVE ACTION Dirt is blocking the water pressure Check for correct operation of the Symptom 1: The unit is turned on (y LED is lit) but the unit is not relief valve outlet. -
Page 40: Error Codes
Error codes Error code Failure cause Corrective action Backup heater thermal protector Reset the thermal protector by When a safety device is activated, the user interface LED will be is open pressing the reset button (refer flashing, and an error code will be displayed. "Main components"... - Page 41 Error code Failure cause Corrective action Electric component failure Contact your local dealer. PCB failure Contact your local dealer. Electric component failure Contact your local dealer. Failure of capacity setting Contact your local dealer. Refrigerant failure (due to Contact your local dealer. refrigerant leak) Main circuit voltage failure Contact your local dealer.
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Page 42: Technical Specifications
ECHNICAL SPECIFICATIONS General Heating/cooling models (EKHBX) Heating only models (EKHBH) Nominal capacity • cooling Refer to the Technical Data • heating Refer to the Technical Data Dimensions H x W x D 922 x 502 x 361 922 x 502 x 361 Weight •... - Page 43 NOTES NOTES...
- Page 44 4PW54187-1B...