Hitachi Highly WHP07850VUK Manual de usuario

HitachiHighly

Rollkolbenverdichter

Rotary Compressors

Spezifikation

Installation Manual

WHP07850VUKQA8JT6T

RIES GmbH, Rudolf-Diesel-Str. 10, D 64569 Nauheim, GERMANY

Phone: +49 6152 9741 0, Fax: +49 6152 9741 21, Email: [email protected], Website: www.ries-gmbh.de

R 410A - R 452B - R 454C - R 454B

18,6 cm3/rev

900 - 7200 min-1

Contents

I WHP07850VUKQA8JT6T —————1～4

1. Application range

2. Compressor specifications

3. Motor parameters

4. Parts and drawings list

5. General characteristics

II Heat pump water heater dedicated compressor reference

— ——5～15

III Acceptance ———————16

1. Acceptance basis

2. Acceptance rules

———————17～30

IV Drawings

V Modifications ———————Appendix

SUBJECT

Model WHP07850VUKQA8JT6T SPECIFICATION PAGE:1/30

1. SCOPE

This specification is applied to SHANGHAI HIGHLY Heat pump water heater compressor.

2. SPECIFICATION OF COMPRESSOR

2.1 Model WHP07850VUKQA8JT6T

2.2Power source input to HIGHLY inverter

Rated Voltage/Frequency/Phase 220V/50Hz/single

2.3 Application Heat pump water heater

2.4 Refrigerant

2.5 Compressor Cooling

R410A/R452B/R454C/R454B

Forced air

2.6 Displacement 18.6ml/rev（Double-cylinder ）

2.7 Performance

Refrigerant R410A R452B R454C R454B

Item Rated Condition Rated Condition Rated Condition Rated Condition

Rotational speed 3600 min-1 3600 min-1 3600 min-1 3600 min-1

Nominal Heating Capacity 7820W 7594W 5365W 7530W

Motor input 1805W 1734W 1149W 1715W

Current 5.50A 5.34A 4.00A 5.29A

COP(see*) 4.33 4.38 4.67 4.39

Test Conditions

Evaporating temp. 7.2℃ 7.2℃ 7.2℃

Condensing temp. 54.4℃ 54.4℃ 54.4℃

Liquid temp. entering

expansion valve. 46.1℃ 46.1℃ 46.1℃

Return gas temp. 35℃ 35℃ 35℃

Ambient temp. 35℃ 35℃ 35℃

Wind speed 2m/s 2m/s 2m/s

SUBJECT

Model WHP07850VUKQA8JT6T SPECIFICATION PAGE:2/30

*COP=

Heating capacity (W)

Motor input (W)

2.8 Allowable frequency range 900~7200rpm

2.9 Allowable amount of refrigerant

charge 1650g

2.10 Amount of oil charge

2.11 Oil

500±20 ml(Initial)

HAF68D1/HAF68D1U/ALPHA68HES or equivalent

2.12 Space volume of inner case 1200 ml

2.13 Net weight 10.0kg incl.oil

2.14 Hermetic Terminal 1/4”quick connect

type

2.15 Motor

Type

Insulation class

Winding resistance

Direct current brushless motor

Class E

1.354Ω(at 20℃)

* Nominal heating capacity equals refrigerant capacity adding motor input. Refrigerant capacity and motor input are measured

by secondary Refrigerant calorimeter Methods of GB5773by Shanghai Highly Electrical Appliances Co.,Ltd. Allowable heating

capacity should be more than 95% of the nominal heating capacity and allowable motor input should be less than107% of nominal

motor input.

SUBJECT

Model WHP07850VUKQA8JT6T SPECIFICATION PAGE:3/30

3. MOTOR PARAMERER

project parameter description

3.1 Rotor Pole(Pole) 66 electrodes 9 slots

concentrated winding

3.2 Rated Frequency Range（Hz）15-120

Mechanical Frequency ， Relating to

VDCmax of Inverter

3.3 Demagnetizing Curren（A）29.0

Peak Current，at130℃，-5%

Demagnetizing Rate

3.4 Inductance Ld（mH）Sheet 1 ——

3.5 Inductance Lq（mH）Sheet 1 ——

project parameter description

3.6 Winding Resistance（Ω）（20℃）1.354（20℃）Phase-to-Phase

3.7 Voltage Constant（Vrms/krpm）52.34 Phase-to-Phase

3.8 Torque Constant（N·m/Arms）0.65 Torque/Current

3.9 Inertia （Kg·m2）0.000388 --

3.10 Flux Φa（Wb）0.1351

φ(Per Phase，Peak)=

3.11 Magnet Material NdFeB

1：100Hz.

（RMS） 1.0 2.0 3.0 4.0 5.0 6.0 7.0

Lq(mH) 12.09 11.84 11.47 11.09 10.67 10.27 9.86

Ld(mH) 8.87 8.78 8.61 8.40 8.15 7.91 7.68

SUBJECT

Model WHP07850VUKQA8JT6T SPECIFICATION PAGE:4/30

4. PARTS AND DRAWING LIST

PARTS NAME QTY/SET DRAWING NO. REMARKS

Compressor 1 4CYCD**** Dimensioned sketch

Mounting

Parts Rubber grommet

Bolt

Nut

4CYC00851

4CYC00940

（M8）

Electrical

Parts

Terminalcover

Gasket

Sleeve

Nut

Rubber washer

Thermostat

4CYC01114

4CYC01113

4CYC01042

3CYC00004

4CYC00174

4CYC01045

4CYC01268

Lead routing

Pressure guarantee

Chart

Oil level datum

Notes for rotational

speed change

Performance curse

Appendix

*. Out of supply，for reference.

5. CHARACTERISTICS 5.1

Residual moisture 200mg MAX

5.2Residual impurities 100mg MAX

HEAT PUMP WATER HEATER COMPRESSOR CRITERIA FOR LONG LIFE SYSTEM PAGE:5/30

COMPRESSOR CRITERIA

1 Strictly observe the specification

The compressor should be used in specifications written in this “compressor specification” and

not be usedin specifications outside it. Moreover, accessories should be specified parts used in

specified way, service must use specified parts too. The main circuit must link up with fuse or

breaker.

2 Source voltage

Specified inverter is linked upwithcompressor terminals . Applied voltage of this inverter should

be voltage specified in this “compressor specification”. Alternating voltage should never be

applied on terminals (for example：commercial alternating voltage of 1 100V,200V,3200V).This is

because that if applied alternating current the direct current motor will demagnetize.

3 Operating voltage range

The compressor should be operated in the rangeof rated voltage 10% , under standard

condition and overload condition of rated frequency (applied voltage to inverter).

It must be satisfied with item 5 ,6,7.

4 Operating temperatures and pressures

The operating temperatures and pressures of a compressor should be within the range shown in

the table 1.

HEAT PUMP WATER HEATER COMPRESSOR CRITERIA FOR LONG LIFE SYSTEM PAGE:6/30

Table 2

Item Operating Envelope （see graph 1）

Refrigerant R410A R452B R454C R454B

Discharge pressure

MPa{kgf/cm2G} 4.279 MAX

（condensing

temperature:

65℃）

4.039 MAX

（condensing

temperature

65℃）

3.124 MAX

（condensing

temperature:

70℃）

3.991 MAX

（condensing

temperature:

65℃）

Suction Pressure

MPa{kgf/cm2G}

0.272~1.652 0.254~1.562 0.172~1.084 0.251~1.543

(Evaporation Temperature ：-30℃~25℃)It can also be 0.101～0.172

MPa when in transition , but should not be used when it is less

than 0.101MPa

Compressor case bottom temp 99℃or below and 6 degrees higher than condensing temperature

Motor winding temp. Rated voltage: ：105℃MAX

Ra t e dVoltage±10%:

120℃MAX

Accumulator temp Higher than outlet pipe of evaporator

Notes: Overload condition should not be continuous.

Graph 1(a)

P1 P2 P3 P4 P5

Condensing temperature 65℃28℃5℃45℃65℃

Evaporation Temperature 25℃25℃-30℃-30℃-5℃

HEAT PUMP WATER HEATER COMPRESSOR CRITERIA FOR LONG LIFE SYSTEM PAGE:7/30

Graph 1(b)

P1 P2 P3 P4 P5

Condensing temperature 70℃28℃5℃65℃70℃

Evaporation Temperature 25℃25℃-30℃-30℃-10℃

5Current limitation

Current peak among motor terminals（include instantaneous current peak）should be

below 29.0A(at130 ) in order to prevent magnet in motor from demagnetization.℃

6 Pressure difference between suction and discharge

In all allowable rotational speed range, the difference of pressure should be more than

0.39MPa{4kgf/cm2}. But if there is no problem of noise when assembled in air conditioner,

it can also below this value.

7 Discharge pipe temperature

Discharge pipetemperature is measured at a distance300mm from the surface of compressor

and should be less than 110℃. The tip ofthe thermocouple is fixed bysoldering when

measuring discharge pipe temperature .Furthermore, soldering point is covered with urethane

foam to prevent the effect ofwind.

8Air leakage test pressure

The pressure should be less than 2.847MPa{28kgf/cm2G}.

HEAT PUMP WATER HEATER COMPRESSOR CRITERIA FOR LONG LIFE SYSTEM PAGE:8/30

9Oil back and oil level

The oil should be returned continuously to the compressor and the structure of the refrigerating system should not

make oil stay in the system. The oil level in compressor should be higher than 7.5 mm from the lu

ricating piece fixed

on the end of the crankshaft.If not keep the oil level, the shortage will occur, and influence the reliability of the

compressor.(please check the oil level in the compressor with the sight glass which supplied form SHEC.

10 Dust of compressor hermetic terminals

Compressor hermetic terminals should be mounted with specified cover in right way to prevent

dust entering, and should be used in direction which dust is hard to enter in.

11 Lead wire of compressor hermetic terminals

Measuring the temperature of hermetic terminals , lead wire should be resist to the temperature

and be clamped so as not in touch with the surface of compressor and pipe.

12 Start-stop frequency

The frequency should be less than 6 times per hour. Operating time from start to stop should

be more than 3 minutes. Stopping time should be more than 3minutes. But oil level should be met

to item 8. Suction and discharge pressure should balance completely before restarting.

13 Rate ofrotational speed change

The rate of compressor rotational speed (acceleration) should be less than 133min-1/s, But if

The variable range is below 120min-1, rate can also be less than 600min-1 /s when rotational

Speed is reduced to avoid temporary over- current. The change of compressor rotational speed is referred to chart 3.

14 Air and moisture in refrigerating system

The degree of vacuum in refrigerating system should be less than 133Pa (998×10－3mmHg) at

room temperature just before charging refrigerant. The quantity of water should be less than 0.15ml.

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