Hitachi Highly WHP09100VUKPA8LT6 Manual de usuario
HitachiHighly
Rollkolbenverdichter
Rotary Compressors
Spezifikation
Installation Manual
WHP09100VUKPA8LT6
RIES GmbH, Rudolf-Diesel-Str. 10, D 64569 Nauheim, GERMANY
R 410A, R 452B - R 454C- R 454B
22,6 cm3/rev
900 - 7200 min-1
DC/ BLDC
Table of Contents
First: WHP09100VUKPA8LT6 Specifications —————— 1～4
1.Application range
2.Compressor specifications
3.Motor parameters
4.General characteristics
5.Parts and drawings list
Second: the heat pump water heater dedicated compressor
use benchmark ——— 5～15
Third: Acceptance basis and rules —————————— 16
1. Acceptance basis
2. Acceptance rule
Fourth: the drawings ————————————— 17～29
Fifths: Revision experience ————————————
30
SUBJECT
Model WHP09100VUKPA8LT6 SPECIFICATION PAGE：1/30
1. SCOPE
This specification is applied to SHANGHAI HIGHLY Heat pump water heater
compressor.
2. SPECIFICATION OF THE MODEL
Item Spec
2.1 Model Type WHP09100VUKPA8LT6
2.2 Power source input to inverter Rated voltage / Rated frequency/Phase
220V/50Hz/1Ф
2.3 Output 1930W/1850W/1835W/1225W(R410A/R452B/
R454B /R454C @3600 min-1)
2.4 Application Heat pump water heater
2.5 Performance 性能参数
Refrigerant R410A R452B R454B R454C
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 9105W 8830W 8785W 6245W
Motor input 2115W 2025W 2010W 1340W
Current 7.6A 7.5A 7.4A 5.2A
COP(see*) 4.30 4.36 4.37 4.66
Measuring condition
Evaporating temp. 7.2℃ 7.2℃ 7.2℃ 7.2℃
Condensing temp. 54.4℃ 54.4℃ 54.4℃ 54.4℃
Liquid temp. entering
expansion valve. 46.1℃ 46.1℃ 46.1℃ 46.1℃
Return gas temp. 35℃ 35℃ 35℃ 35℃
Ambient temp. 35℃ 35℃ 35℃ 35℃
Wind speed 2m/s 2m/s 2m/s 2m/s
SUBJECT
Model WHP09100VUKPA8LT6 SPECIFICATION PAGE：2/30
*.COP= Heating capacity (W)
Motor input (W)
*.Rated Capacity and input are measured with HITACHI inverter circuit by secondary Refrigerant
calorimeter Methods of JIS B8606 by SHANGHAI HIGHLY Electrical Appliances Co., Ltd.
Allowable capacity should be more than 95% of the rated capacity and allowable input
should be less than 107% of rated motor input.
2.6 Refrigerant R410A/R452B/R454B/R454C
2.7 Displacement 22.6ml /rev
2.8 Allowable frequency range 900～7200 min-1
2.9 Oil HAF68 630±20ml
2.10 Allowable amount of refrigerant
charge
Below 2100g
2.11 Compressor cooling Forced air
2.12 Hermetic Terminal Conventional type
2.13 Space volume of inner case 1200cm3
2.14 Compressor weight 10.2kg incl. Oil
2.15 Motor Type
Insulation class
Direct current brushless motor
E class
3. THE PARAMETER OF MOTOR
Item Spec参 数explanation
3.1 Rotor Pole（Pole）6 6 electrodes 9 slots concentrated
winding
3.2 Rated Frequency Range（Hz）15-120 Mechanical Frequency，Relating to
VDCmax of Inverter
3.3 Demagnetizing Current（A）30.0Peak Current，at 130℃，-5%
Demagnetizing Rate
SUBJECT
SPECIFICATION
Model WHP09100VUKPA8LT6 PAGE：3/30
2
4.CHARACTERISTICS
4.1 Appearance
The surface of the compressor is painted to black, without obvious flaw ,impact scar, paint peel
off, rust and so on.
4.2. Indication
Compressor model type, manufacturing data are clearly indicated on the surface of compressor。
4.3. Residual moisture 120mg MAX
4.4. Residual impurities 60mg MAX
3.4 Inductance Ld（mH） Sheet 2 ——
3.5 Inductance Lq（mH）Sheet 2 ——
3.6 Stator coil resistance（20℃）（Ω）0.93 line-to-line
3.7 Voltage Constant（Vrms/krpm）42.8 line-to-line
3.7 Torque Constant（N·m/Arms）0.60 Torque/Current
3.9 Inertia （Kg·m2）0.000388
3.10 Flux Φa（Wb）0.1110
φ(Per Phase，Peak)= 32
02
f
E
π
×
3.11 Magnet Material NdFeB
Current（RMS） 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0
Lq(mH) 8.45 8.33 8.18 7.95 7.74 7.51 7.26 7.02 6.79 6.56
Ld(mH) 6.10 6.13 6.10 6.01 5.89 5.75 5.61 5.48 5.36 5.24
SUBJECT
SPECIFICATION
Model WHP09100VUKPA8LT6 PAGE：4/30
5 PARTS AND DRAWING LIST
PARTS NAME QTY/SET DRAWING NO. REMARKS
Compressor 1 4CYCD0327 Dimensioned sketch
Mounting
Parts
Rubber grommet
B
olt
N
ut
3
-
-
4CYC01088
（M10）
（M10）
*
*
Electrical
Parts
Terminal cover
Gasket
Nut
Rubber washer
Thermostat
Sleeve
1
1
1
1
1
1
4CYC01114
4CYC01113
3CYC00004
4CYC00174
4CYC01045
4CYC01042
4CYC01268
1
2
3
Lead routing
Pressure guarantee
Chart
Oil level datum
Notes for
rotational speed
change
*. Out of supply, for reference.
HEAT PUMP WATER HEATER COMPRESSOR CRITERIA
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 used in specifications outside it.. The main circuit must link up with fuse or breaker.
2 Source voltage
Specified inverter is linked up with compressor 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 1φ100V,200V,3φ200V).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 range of 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 2 and graph 1.
5Oil Back and height of the oil level
Oil should be returned continuously to the compressor and not kept in the refrigeration system.
Oil level of compressor should be higher than 7.5 mm from the lubricating piece fixed on
the end of the crankshaft.
Compressor must not be started operated under a dual-layer separate status.
However, in case of foaming situation, the height of this foam does not mean the height of the oil level.
If you do not keep the oil level, the oil shortage will occur, and influence the reliability of compressor.
(Please check the oil level in the compressor with the sight glass we supply.)
HEAT PUMP WATER HEATER COMPRESSOR CRITERIA
PAGE：6/30
There should be superheated gas returned to the compressor under all normal operating conditions.
Table 2
Item Operating Envelope
Refrigerant R410A R452B R454B R454C
Discharge pressure
MPa
4.28 MAX
（condensing
temperature:
65℃）
4.00 MAX
（condensing
temperature:
65℃）
3.95 MAX
（condensing
temperature:
65℃）
2.97 MAX
（condensing
temperature:
70℃）
Suction Pressure
MPa
0.27~1.66 0.26~1.59 0.26~1.57 0.20~1.19
(Evaporation Temperature ：-30℃~25℃)
It can also be 0.101～0.272 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
R.Voltage±10%:
120℃ MAX
Accumulator temp Higher than outlet pipe of
evaporator
Ambient temp Meet for the condition of above mentioned motor winding temp.
HEAT PUMP WATER HEATER COMPRESSOR CRITERIA
PAGE：7/30
P1 P2 P3 P4 P5
Condensing temperature 65℃28℃5℃45℃65℃
Evaporation Temperature 25℃25℃-30℃-30℃-10℃
P1 P2 P3 P4 P5
Condensing temperature 70℃28℃5℃65℃70℃
Evaporation Temperature 25℃25℃-30℃-30℃-20℃
6 Current limitation
Current peak among motor terminals（include instantaneous current peak）should be
below demagnetizing current in order to prevent magnet in motor from demagnetization.
7 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.
HEAT PUMP WATER HEATER COMPRESSOR CRITERIA
PAGE：8/30
8 Discharge pipe temperature
Discharge pipe temperature is measured at a distance 300mm from the surface of compressor
and should be less than 110℃. The tip of the thermocouple is fixed by soldering when
measuring discharge pipe temperature .Furthermore, soldering point is covered with urethane
foam to prevent the effect of wind.
9 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.
10 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.
11 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.
12 Rate of rotational 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 when rotational
speed is reduced to avoid temporary over- current.
13 Air and moisture in refrigerating system
The degree of vacuum in refrigerating system should be less than 20Pa (150×10－3mmHg) at
room temperature just before charging refrigerant. The quantity of water should be less
than 0.15ml.
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