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6

HXY48TAVJU EDUS392021-F18

5. 

Specifications

Low-temperature hydrobox

Model

HXY48TAVJU

Power supply

V/ph/Hz

208/230V 60 Hz, 1 Phase

Nominal 

capacity

Cooling 

+

1

Btu/h (kW)

42,650 (12.5)

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 × 18 7/8 × 13 1/2 (890 × 480 × 344)

Weight

lbs (kg)

97 (44)

Water side 

heat 

exchanger

Type

Brazed plate

Quantity

1

Minimum flow rate 

+

4

gpm (l/min)

3.96 (15)

Water volume

gal (L)

0.26 (1)

Insulation material

Foamed synthetic elastomer

Pump

Type

DC motor

Nr of speeds

Inverter controlled

Cooling nominal ESP

ft hd (kPa)

24.4 (73)

Heating nominal ESP

ft hd (kPa)

21.8 (65)

Power input

W

135

Expansion 

tank

Volume

gal (L)

2.64 (10)

Max water pressure

psi (bar)

43.5 (3)

Pre-pressure

psi (bar)

14.5 (1)

Water Side Components

Safety valve (43.5 psi), shut-off valves, flow switch, air purge valve, strainer (20 mesh)

Water flow rate range

gpm (l/min)

3.4 to 11.9 (15 to 45)

Delta T range

°F (°C)

5.4 to 14.4 (3 to 8)

Control method

Inlet/Outlet delta T control

Outlet temp. 

range

Cooling

°F (°C)

50 to 68 (10 to 20)

Heating

°F (°C)

77 to 113 (25 to 45)

Ambient 

temp range

Cooling

°F (°C)

50 to 109 (10 to 43)

Heating

°F (°C)

–4 to 75 (–20 to 24)

Sound 

+

5

Power level

dBA

60

Pressure level

dBA

31

Pipe 

connections

Liquid

in. (mm)

3/8 (9.5) (Flare)

Gas

in. (mm)

5/8 (15.9) (Flare)

Water side connection 

+

3

in. (mm)

BSPP, G 1-1/4 (31.8)

Piping adaptor 

+

3

in. (mm)

NPTF 1-1/4 (31.8)

Refrigerant type

R410A

Refrigerant control

Electronic expansion valve

Connectable outdoor unit

VRV

 IV X Heat Pump

Standard accessories

Operation/Installation manual, user interface kit, shut-off valve, user interface cover, 

bottom plate, top plate, conduit mounting plates, adaptors

Note:

+

1.  Nominal Cooling Conditions  

Ambient: 95°FDB, LWT: 64.4°F, Delta T: 9°F, Flow Rate: 9.5 gpm

+

2.  Nominal Heating Conditions 

Ambient: 44.6°FDB / 42.8°FWB, LWT: 95°F, Delta T: 9°F, Flow Rate: 10.6 gpm

+

3.  Connector and adaptor shipped loose

+

4.  Flow switch setting

+

5.  The sound pressure level is measured via a microphone at a 1 m distance from the unit. 

It is a relative value, depending on the distance and acoustic environment.

C: 4D128651

Summary of Contents for VRV HXY48TAVJU

Page 1: ...Low temperature hydrobox HXY48TAVJU EDUS392021 F18 202009 Engineering Data 60 Hz...

Page 2: ......

Page 3: ...tio 4 4 Nomenclature 5 5 Specifications 6 6 Dimensions 7 7 Piping Diagrams 8 8 Wiring Diagrams 9 9 Electric Characteristics 11 10 Pump Performance Characteristics 12 11 Capacity 13 12 Center of Gravit...

Page 4: ...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 Saves time on syst...

Page 5: ...HXY48TAVJU VJ 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 T dif...

Page 6: ...of the low temperature hydrobox and indoor units Please refer the dedicated Engineering Data Book for the specification of respective indoor units ton 6 8 10 12 14 Minimum VRV indoor unit number 1 Min...

Page 7: ...2021 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 hydro...

Page 8: ...C 5 4 to 14 4 3 to 8 Control method Inlet Outlet delta T control Outlet temp range Cooling F C 50 to 68 10 to 20 Heating F C 77 to 113 25 to 45 Ambient temp range Cooling F C 50 to 109 10 to 43 Heatin...

Page 9: ...7 HXY48TAVJU EDUS392021 F18 6 Dimensions HXY48TAVJU 3D128656 Unit in mm...

Page 10: ...F18 7 Piping Diagrams HXY48TAVJU 3D079034 THERMISTOR R1T R2T R3T R4T DESCRIPTION OUTLET WATER HEAT EXCHANGER THERMISTOR INLET WATER HEAT EXCHANGER THERMISTOR REFRIGERANT LIQUID SIDE THERMISTOR REFRIGE...

Page 11: ...9 HXY48TAVJU EDUS392021 F18 8 Wiring Diagrams HXY48TAVJU C 3D128650...

Page 12: ...efrigerant gas thermistor C1 C3 Filter capacitor S1L Flow switch F1U Fuse T 3 15A 250V SS1 A1P Selector switch emergency HAP PCB LED SS1 A2P Selector switch main sub K1E Electronic expansion valve SS1...

Page 13: ...7 V 2 5 15 135 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 o...

Page 14: ...3D128653 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 m...

Page 15: ...13 HXY48TAVJU EDUS392021 F18 11 Capacity...

Page 16: ...14 HXY48TAVJU EDUS392021 F18 12 Center of Gravity HXY48TAVJU 4D129458...

Page 17: ...15 HXY48TAVJU EDUS392021 F18 13 Operation Limits HXY48TAVJU 3D128655 Ta Ambient Temperature LWT Leaving Water Temperature...

Page 18: ...16 HXY48TAVJU EDUS392021 F18 C 4P616151 1 14 Accessories Option HXY48TAVJU Drain pan EKHBDPCA2 Remote user interface EKRUAHTB 4D128652...

Page 19: ...late of the user interface Be careful NOT to damage it Fixation of the user interface to the wall in case of installation as room thermostat 1 Cut off a 2 wire conductor 2 Fix the wallplate of the use...

Page 20: ...e M Master Only the remote controller set as master can work as room thermostat How to connect for multi unit INFORMATION For multiple unit control connect the remote controller to the unit as instruc...

Page 21: ...ctionality 5 DAY OF THE WEEK INDICATOR 1234567 This indicator shows the current day of the week When reading or programming the schedule timer the indicator shows the set day 6 CLOCK DISPLAY 8 The clo...

Page 22: ...he installation manual for more information 20 TEST OPERATION ICON t This icon indicates that the unit runs in test mode 21 FIELD SET CODE This code represents the code from the field set list Refer t...

Page 23: ...r 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 30 ROOM TEMPERATURE ADJUST BUTTONS bi and...

Page 24: ...8 16 Drain Pan EKHBDPCA2 C 4P325064 2C 4x x 6 4x 4x B A C D E F G H 1 2 3 4 5 1 2 60 mm 60 mm 2x 2 1 1 1 0 1 9 9 8 7 x 6 2x 3x 3x 6x A A E F G H E x 1 3 1 4 1 5 1 6 1 7 1 8 1 5 4 3 2 1 8 7 6 C D C B B...

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Page 28: ...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...

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