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Related Manuals for Daikin VRV HXY48TAVJU
Summary of Contents for Daikin VRV HXY48TAVJU
- Page 1 EDUS392021-F18 202009 Engineering Data Low-temperature hydrobox HXY48TAVJU 60 Hz...
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Page 3: Table Of Contents
HXY48TAVJU EDUS392021-F18 Table of Contents 1. Features and Benefits ................2 2. Model Names .....................3 2.1 Low-temperature hydrobox ...............3 2.2 Outdoor Unit ..................3 3. System Layout ....................4 3.1 System Layout ..................4 3.2 Connection Ratio ................4 4. Nomenclature .....................5 5. Specifications .....................6 6. Dimensions ....................7 7. -
Page 4: Features And Benefits
HXY48TAVJU EDUS392021-F18 1. Features and Benefits For high efficiency space heating and cooling „ Air to water connection to VRV for applications such as underfloor, air handling units, low temperature radiators, … „ Leaving water temperature range from 50 to 113°F (10 to 45°C) without electric heater „ Super wide operating range for hot/cold water production from -4 to 110°F (-20 to +43°C) ambient outdoor temperature „... -
Page 5: Model Names
HXY48TAVJU EDUS392021-F18 2. Model Names Low-temperature hydrobox Capacity range Capacity index Model name Power supply 4 ton HXY48TAVJU VJ: 1 phase, 208/230 V, 60 Hz +1 Low-temperature hydrobox index for calculating system capacity shows in below table. Please use the index at system connection ratio calculation. Target ΔT difference [°F] 10.8 12.6≤... -
Page 6: System Layout
HXY48TAVJU EDUS392021-F18 3. System Layout System Layout Refrigerant piping Heat exchange between refrigerant and water VRV indoor unit Total capacity of connected VRV indoor unit Low-temperature requires at least of outdoor unit capacity. hydrobox Cold water / Hot water Underfloor heating Radiator Ceiling radiator The following table indicates the connectable number and capacity range of the low-temperature hydrobox and indoor units. -
Page 7: Nomenclature
HXY48TAVJU EDUS392021-F18 4. Nomenclature Minor revision Power supply symbol VJ: 1 phase, 208/230V, 60Hz Indicates minor change category Indicates major design category Capacity index 48: 48,000 Btu/h Low-temperature hydrobox... -
Page 8: Specifications
HXY48TAVJU EDUS392021-F18 5. Specifications Low-temperature hydrobox Model HXY48TAVJU Power supply V/ph/Hz 208/230V 60 Hz, 1 Phase Cooling +1 Btu/h (kW) 42,650 (12.5) Nominal capacity Heating +2 Btu/h (kW) 48,000 (14.0) Casing (Color / Material) White / Precoated sheet metal Dimensions (H × W × D) in. (mm) 35 1/16 ×... -
Page 9: Dimensions
HXY48TAVJU EDUS392021-F18 6. Dimensions HXY48TAVJU... -
Page 10: Piping Diagrams
HXY48TAVJU EDUS392021-F18 7. Piping Diagrams HXY48TAVJU... -
Page 11: Wiring Diagrams
HXY48TAVJU EDUS392021-F18 8. Wiring Diagrams HXY48TAVJU... - Page 12 HXY48TAVJU EDUS392021-F18 HXY48TAVJU Main PCB (master) Leaving water thermistor User interface PCB Returning water thermistor Control PCB Refrigerant liquid thermistor Remote user interface PCB Refrigerant gas thermistor C1-C3 Filter capacitor Flow switch Fuse (T,3.15A,250V) SS1(A1P) Selector switch (emergency) PCB LED SS1(A2P) Selector switch (main / sub) Electronic expansion valve SS1(A5P)
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Page 13: Electric Characteristics
HXY48TAVJU EDUS392021-F18 9. Electric Characteristics HXY48TAVJU Power supply Pump Model Volts Voltage range Input (W) Max. 253 V HXY48TAVJU 208/230 V Min. 187 V Symbol: MCA: Min. Circuit Amps (A) MOP: Max. Overcurrent Protective Device (A) Note: 1. Voltage range Units are suitable for use on electrical systems where voltage supplied to unit is not below or above listed range limits. -
Page 14: Pump Performance Characteristics
HXY48TAVJU EDUS392021-F18 10. Pump Performance Characteristics ESP: External Static Pressure Flow: Water flow through the unit Note: Selecting a flow outside the operating area can damage the unit or cause the unit to malfunction. See also the minimum and maximum allowed water flow range in the technical specifications. 3D128653... -
Page 15: Capacity
HXY48TAVJU EDUS392021-F18 11. Capacity... -
Page 16: Center Of Gravity
HXY48TAVJU EDUS392021-F18 12. Center of Gravity HXY48TAVJU 4D129458... -
Page 17: Operation Limits
HXY48TAVJU EDUS392021-F18 13. Operation Limits HXY48TAVJU... -
Page 18: Accessories
HXY48TAVJU EDUS392021-F18 14. Accessories Option HXY48TAVJU Drain pan EKHBDPCA2 Remote user interface EKRUAHTB 4D128652 C: 4P616151-1... -
Page 19: Remote User Interface - Ekruahtb
HXY48TAVJU EDUS392021-F18 15. Remote User Interface — EKRUAHTB 15.1 To Connect the User Interface Before operating the user interface, follow this installation procedure. NOTE The wiring for connection is not included. Procedure Remove the front part of the user interface Insert a slotted screwdriver into the slots (1) in the rear part of the user interface, and remove the front part of the user interface. NOTE The PCB is mounted in the faceplate of the user interface. Be careful NOT to damage it. - Page 20 HXY48TAVJU EDUS392021-F18 INFORMATION If next to the standard remote controller the optional remote controller is installed as well: „ Connect the electrical wires of both remote controllers in the same way like described above. „ „ Select a master and a slave remote controller by switching the SS1 selector switch. „...
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Page 21: Name And Function Of Buttons And Icons
HXY48TAVJU EDUS392021-F18 15.2 Name and Function of Buttons and Icons 6 22 1. ON/OFF BUTTON y The ON/OFF button starts or stops the space cooling/heating. Pressing the ON/OFF button consecutively too many times may cause malfunction of the system (maximum 20 times per hour). 2. - Page 22 HXY48TAVJU EDUS392021-F18 13. NOT AVAILABLE n This icon is displayed whenever a non-installed option is addressed or a function is not available. A function not available can mean insufficient permission level or can mean that a slave user interface is used (see installation manual). Permission Master Slave level 2 level 3 Operation ON/OFF Setting the leaving water temperature —...
- Page 23 HXY48TAVJU EDUS392021-F18 29. LEAVING WATER TEMPERATURE ADJUST BUTTONS ébi and ébj These buttons are used to adjust the leaving water temperature set point in normal operation mode or in schedule timer programming mode. If the controller is set to permission level 3 (refer to ”Field settings” in the installation manual), the leaving water temperature adjust button will not be operable. In case the weather dependent set point operation is selected, the unit has a floating set point. In this case, the a icon as well as the shift value (in case not zero) will display.
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Page 24: Drain Pan - Ekhbdpca2
HXY48TAVJU EDUS392021-F18 16. Drain Pan — EKHBDPCA2... - Page 28 Improper installation can result in water or refrigerant leakage, electrical shock, fire or explosion. Use only those parts and accessories supplied or specified by Daikin. Ask a qualified installer or contractor to install those parts and accessories. Use of unauthorised parts and accessories or improper installation of parts and accessories can result in water or refrigerant leakage, electrical shock, fire or explosion.