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Hydro Box

7

3.3.2 Selection of Communication Wire between Hydro Box and Mode exchanger

Material Type

Total Length L (m) of

Communication

Cable between

Indoor Unit and

Indoor (Outdoor) Unit

Wire size

(mm

2

)

Material

Standard

Remarks

Light/Ordinary

polyvinyl chloride

sheathed cord.

(60227 IEC 52

/60227 IEC 53)

L≤1000

≥

2×0.75

IEC 60227-5

1. If the wire diameter is enlarged to

2×1mm

2

, the total communication line

length can reach 1500m.

2. The cord shall be Circular cord (the

cores shall be twisted together).

3. If unit is installed in places with

intense magnetic field or strong

interference, it is necessary to use

shielded wire.

3.4 Requirements for Electrical Wiring

(1) The hydro box belongs to Category I Electric Appliance. Therefore, be sure to take

reliable earthed measures. The earthed wire shall be connected to the special earthed
device on the construction. The installation must be done by specialist technicians.

(2) The fixed circuit must be provided with leakage protection switch and air switch that have

enough capacity.

(3) The power supply must comply with the ratings on nameplate, while the special circuit for

air conditioner must be used.

(4) The diameter of power cables shall be big enough. Please select the power cables in

reference to the specifications below.

(5) Carry out installation according to national wiring rules.
(6) Do not pull the power cables with force.

Model

Type of power supply

Min. sectional area of power cable

Live

wire(mm

2

)

Neutral

wire(mm

2

)

Earthed

wire(mm

2

)

Air switch capacity(A)

NRQR16L/A-T

220-240V

~

50Hz

208-230V ~60Hz

1.5

1.5

1.5

6

NRQR30L/A-T

220-240V

~

50Hz

208-230V ~60Hz

1.5

1.5

1.5

6

Notes:

①

The power cable must be copper-core cable, and its working temperature shall not be

higher than the specified value.

②

If the power cable is longer than 15m, please increase its sectional area appropriately,

thus to avoid overloading.

③

The power cable specification refers to the specification of BV single-cord cable (2~4

cords) laid when inserting the plastic pipe and selected the working environment
temperature is 40°C. The air switch is used for a temperature of 40°C and it shall be “D”
type.

④

All electrical installation must be performed by qualified technicians in accordance with

local laws, regulations and the corresponding instruction manual.

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Содержание Hydro Box NRQR16L/A-T

Страница 1: ...Owner s Manual Original Instructions Hydro Box Model NRQR16L A T NRQR30L A T ...

Страница 2: ... Please properly select the model according to actual using environment otherwise it may impact the using convenience 4 This product has gone through strict inspection and operational test before leaving the factory In order to avoid damage due to improper disassembly and inspection which may impact the normal operation of unit please do not disassemble the unit by yourself You can contact with th...

Страница 3: ...cturer 3 After verification the defect of product is directly caused by corrosive gas 4 After verification defects are due to improper operation during transportation of product 5 Operate repair maintain the unit without abiding by instruction manual or related regulations 6 After verification the problem or dispute is caused by the quality specification or performance of parts and components that...

Страница 4: ...n Selection 6 3 3 Requirements of Communication Wire Selection 6 3 4 Requirements for Electrical Wiring 7 4 Unit Installation 8 4 1 Notices 8 4 2 Product Installation 10 4 3 Power Cord Connection 24 4 4 Connection of Communication Wire between Hydro Box and Mode Exchanger 24 4 5 Connection of Communication Wire for Wired Controller 25 4 6 Confirm DIP Switch of Main board 25 4 7 Engineering Accesso...

Страница 5: ...er or washing When the ambient temperature is lower than 0 C please make sure to drain the water tank thoroughly if you are to travel out for a long period and the water heater is under de energized state After the water system is thoroughly drained please make sure to disconnect the hydro box from the power supply The hot water in the water heater is not drinkable After a long time of use scale m...

Страница 6: ... hands otherwise electric shock or injury may be caused This product can t be installed at corrosive inflammable or explosive environment or the place with special requirements such as kitchen Otherwise it will affect the normal operation or shorten the service life of the unit or even cause fire hazard or serious injury As for above special places please adopt special air conditioner with anti co...

Страница 7: ...e prevention protection Furthermore there is no risk of carbon monoxide poisoning or other hazards 3 Easy Use The temperature of heated water is adjustable at an interval of 1 C between 35 C 55 C Meanwhile the unit can supply water to wash room and kitchen 4 Simple Operation The user may as needed for use of the hot water select the standard hot water mode night mode or preset mode The user may se...

Страница 8: ...utlet water temperautre C 55 55 Floor heating capacity kW 16 30 Power supply 220 240V 50Hz 208 230V 60Hz 220 240V 50Hz 208 230V 60Hz Type of heat exchanger Plate heat exchanger Plate heat exchanger Water system connection Diameter of inlet outlet water pipe mm Φ25 Φ25 Thread specification G1 G1 Refrigerant system connection Gas pipe mm Φ15 9 Φ22 2 Liquid pipe mm Φ9 52 Φ9 52 Outline dimension W D H...

Страница 9: ... can be connected to 6 hydro boxes at most 3 Preparations for Installation 3 1 Standard Fittings Use the following provided accessories according to the requirement No Name Appearance Q ty Usage 1 Wired Controller 1 To control the Hydro Box 2 Owner s manual 1 3 Temperature sensor 2 To setup them with the solar and return water pump 4 Teflon tape 2 With Teflon tape to ensure a watertight seal 5 Swe...

Страница 10: ... electronic magnetic interference circumstance STP shielded twisted pair communication cable must be adopted 3 3 1 Selection of Communication Wire between Hydro Box and Wired Controller Material type Total length of communication line between indoor unit and wired controller L m Wire size mm 2 Material Standard Remarks Light Ordinary polyvinyl chloride sheathed cord 60227 IEC 52 60227 IEC 53 L 250...

Страница 11: ...ower supply must comply with the ratings on nameplate while the special circuit for air conditioner must be used 4 The diameter of power cables shall be big enough Please select the power cables in reference to the specifications below 5 Carry out installation according to national wiring rules 6 Do not pull the power cables with force Model Type of power supply Min sectional area of power cable L...

Страница 12: ...relief valve at the supplementary water port Make sure the system water pressure is not bigger than 3bar Otherwise the relief valve will open and cause water leakage 5 The wired control can control floor heating Detailed setting and operation please refer to the instruction manuals of hydro box and wired controller 6 When the hydro box is connected with the water tank please connect the circulatin...

Страница 13: ...e kept normally open 13 The horizontal distance between hydro box and thermal insulation water tank shall not exceed 5m and the vertical fall shall not exceed 3m If exceeds the above limitation please contact with us 14 Prepare materials according to connector size and specification above If the cutoff valve is installed outdoors it is recommended to use PPR fittings thus to avoid freezing under l...

Страница 14: ...imension and Installation Spots Unit mm Fig 4 1 No Name Pipe diameter mm NRQR16L A T NRQR30L A T Gas pipe Φ15 9 Φ22 2 Liquid pipe Φ9 52 Φ9 52 Wiring passing hole Φ15 Φ15 Wiring passing hole Φ35 Φ35 Wiring passing hole Φ35 Φ35 Water outlet Φ25 Φ25 Water inlet Φ25 Φ25 Drainage pipe Φ25 Φ25 ...

Страница 15: ...e hydro box as shown below please refer to the dimension of the expansion bolts for the size of the holes The accompanied expansion bolts are M8 bolts so the holes should be φ10mm in dimension The holes should be 45 50mm deep Fig 4 2 2 Fix the 4 expansion bolts supplied with the unit into the holes and twist off the nuts and washers of the bolts Fig 4 3 3 Install the hydro box by aligning it to th...

Страница 16: ...nal diameter mm Thickness mm Type Φ6 35 0 8 O Φ9 52 0 8 O Φ12 7 0 8 O Φ15 9 1 0 O Φ19 05 1 0 1 2H Φ22 2 1 2 1 2H 4 2 2 2 Refrigerant Pipe Connection between Hydro box and Mode exchanger 1 Refrigerant Pipe Connection between 16 kW Hydro box and Mode exchanger Fig 4 5 2 Refrigerant Pipe Connection between 30 kW Hydro box and Mode exchanger Fig 4 6 ...

Страница 17: ...nlet outlet field piping just in front of the connection do not braze yet 2 Unscrew 4 screws on plates removing 2 plates of refrigerant pipe 3 Remove 2 pieces insulated cotton from the gas pipe and liquid pipe 4 Braze the field piping Notes 1 Make sure there is nitrogen protection during welding Brazing without carrying out nitrogen replacement or releasing nitrogen into the piping will create lar...

Страница 18: ...llowing figure and arrange insulation to the drainage pipe Improper installation may lead to water leakage and damp the furniture and other things in the room 7 You can buy normal hard PVC pipe used as the drainage pipe During connection insert the end of PVC pipe into the drainage hole and then tighten it with drainage hole and wire binder Can t connect the drainage hole and drainage hole with gl...

Страница 19: ... water tank in the lowest position and make sure the discharge port vertically downward If possible the manual discharge valve B must be installed at a position easy for the user to operate Installation of water tank inlet outlet pipe The inlet pipe must be installed with check valve Take care on the direction when installing the check valve with the arrow pointing toward the water tank filter and...

Страница 20: ...k temperature sensor port 1 to connect with the upper water temperature sensor Lower water temperature sensor connects with the lower water temperature sensor position of water tank from hydro box Upper water temperature sensor adopts air connection to connect with temperature sensor port 1 of water tank If adopts the water tank with single temperature sensor you only need to connect the upper tem...

Страница 21: ...Hydro Box 17 2 Installation diagram of hydro box connected with floor heating Fig 4 11 3 Installation diagram of connecting hydro box with water tank and floor heating simultaneously Fig 4 12 ...

Страница 22: ... owner s manual Make sure there s enough water flow volume inside the floor heating hot pipe Optional part 6 Automatic discharge valve The highest position of the closed type water system Discharge the air inside the system automatically for ensuring excellent heat exchange Standard part 7 Pressure relief valve It should be installed at the water replenishing outlet of closed type water system The...

Страница 23: ... between floor heating pipeline and valves exceeds 6m please add floor heating engineering pump behind the solenoid valve D There is control interface reserved in the electric box of hydro box Please connect wire according to the wiring diagram on the electric box Prepare materials according to connector size and specification above If the cutoff valve is installed outdoors it is recommended to us...

Страница 24: ...est position of water pipe 5 To avoid waiting too long when using hot water please add hot water return line if the water terminals are dispersed and the water tank is far from such terminals 6 Please select an expansion tank of proper size according to the total water volume of the closed type circulating water system installed in the project and the relevant selection specifications of the expan...

Страница 25: ...he weight bearing capacity of the installing position must be considered when installing the water tank Fig 4 15 3 For replenishing to water tank supply of hot water and drainage of water tank the tap water pipe hot water connector and ground drain shall be available close to the thermal insulation water tank 4 Connection of inlet outlet pipe The included safety check valve Take care that the dire...

Страница 26: ...mal insulation shall be done and metal pipe shall not be used For the first time of use make sure that the water tank is filled with water before connecting to the power The water tank shall not run without water 4 2 6 2 Setting of Water Tank Capacity The ex factory defaulted water tank capacity is 300L If the actual installed water tank capacity is smaller than 300L setting is not needed If the a...

Страница 27: ...olume ratio recommended in the following table and add it to the circulating water Type of antifreeze Minimum temperature for freeze protection 15 5 10 15 20 25 Ethylene glycol 12 20 30 Propylene glycol 17 25 33 Methanol 6 12 16 24 30 Notes Use only one of the above antifreeze If antifreeze is used pressure drop and capability degradation of the system can occur If antifreeze is used corrosion may...

Страница 28: ...The wiring diagram above is only for reference Please refer to the one stuck inside the electric box 4 4 Connection of Communication Wire between Hydro Box and Mode Exchanger 1 Detach the electric box lid of Hydro Box 2 Let the Communication cable pass through the wiring through holes 3 Connect the communication wire to terminal D1 and D2 of Hydro Box 4 bit wiring board as shown in Fig 4 19 4 Fix ...

Страница 29: ...tly and cannot be set in the middle position When the switch is set to ON it means 0 when the switch is set to the number side it means 1 Example S1 of 16kW hydro box is as shown in the following figure Fig 4 20 The black part is the bar for setting DIP 4 6 2 Function DIP S2 of Hydro Box Function DIP switch S2 is 4 bit 1 2 and 3 stand for Gree water tank Floor heating and Solar power respectively ...

Страница 30: ...o the pressure drop of the water way and the flow rate in the following table Model NRQR16L A T NRQR30L A T Rated Water Flow L Min 46 86 4 7 1 2 Circle Pump Wiring 1 Select a suitable relay 2 Connect the wires of the relay to the terminal block XT1 3 and XT1 4 respectively Fig 4 22 Note Make sure to supply external power with the circle pump 4 7 2 2Way Valve Installation 4 7 2 1 2Way Valve Selecti...

Страница 31: ...15MPa 4 8 2 Water Pipeline Debugging leakage detection air discharge 4 8 2 1 Leakage Detection After connecting all waterway pipeline please arrange leakage detection firstly and then arrange insulation to waterway system after making sure there is no water leakage Please pay special attention to the thermal insulation at the joints of valves and pipe joints The insulation cotton with thickness no...

Страница 32: ...ailed steps are as below 1 Open the hot water faucet to discharge water and open the water filling valve of water tank to fill water into water tank until the water temperature reaches 20 C 30 C 2 Start hot water generation mode and open the manual exhaust valve at the same time After operating for 15 20min if the difference between inlet water temperature and outlet water temperature of hydro box...

Страница 33: ...n shown in the figure below Loosen the drain valve and the exhaust valve installed on the outlet water pipe Fig 4 24 3 Start draining and finish draining when no water comes out of the drain valve Notes Extra drain valve of external water pipe must be installing to ensure that the water in the whole circulating water system can be completely drained Please open the discharge valve A and water disc...

Страница 34: ...ult you may run the hot water generation temporally Ensure that the hot water generation is started when there is water inside the water tank 5 2 Troubleshooting Malfunction phenomenon Possible causes Solution No effluent water The water is stopped or the water pressure is too low Check The water pipe is blocked The valve of water inlet pipe is not open The outlet is cold water or the water is not...

Страница 35: ... first start up of unit must be taken by the professionals of our after sales service center or appointed company Only the spare parts provided by Gree can be used The unit operation and maintenance items specified in the manual shall be followed strictly If any of the conditions above is infringed the warranty will become invalid automatically Note For detailed malfunction and maintenance please ...

Страница 36: ......

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