Hitachi WHP09500AEDPC9EQ User manual

HitachiHighly
DC- Rollkolbenverdichter -
BLDC-Rotary Compressors
Spezifikation
Installation Manual
WHP09500AEDPC9EQ
RIES GmbH, Rudolf-Diesel-Str. 10, D 64569 Nauheim, GERMANY
Phone: [phone], Fax: [phone], Email: [email protected], Website: www.ries-gmbh.de
R 410A
25,4 cm3/rev
900 - 7200 min-1

table of Contents
1. WH P09500AEDPC9EQ Specifications ------- 1 ,......, 4
l. App l ication scope
2.Compressor spec i f i cat i ons
3.Mo t or parameters
4 .Genera l characteristics
5.Lis t of parts and drawings
2. the hea t pump water heater dedicated compressor reference5 ,......, 15
3. the acceptance bas i s and ru l es -- 16
l. Accept ance bas i s
2.
Acceptance rules
4. drawings --------------- 17 ,......, 30
5. mod i fy the exper i ence------ Appendix

SUBJECT
Model
WH P09500 AEDPC9EQ SPEC
IFIC AT IO N PAGE : 1/ 30
1. SCO PE
This
speci fi cat i on
i s
app lied to
S HANGHAI H ITACHI
He at p um p wate r heate r
compressor.
2. SPE CI FI CA TION OF T HE MODE L
Item
Spec
2. 1 Mode l
Type
WHP09500AEDPC9EQ
2. 2
Power
sou r ce
input
to
i nve r te r Rated vo l tage
I
Rated fre quency / P hase
380V/50Hz/ 3 <I>
OR
220V/ 50 HZ/ l <I>
2. 3
Output
2350W (@3600 min-1)
2. 4
Appl ic at i on Heat pump water heat er
2. 5 Perf ormance
It em St andard Condition Rated Condition
Rotatio na l speed
3400
- 1
3600
- 1
min min
Nom i na l Heat ing Capacity
10190W 10 225 W
Motor i npu t
2480 W 2575 W
Cur re nt
10. 5A 10. 5A
CO P(see*) 4.
11
3. 97
Test Con di tions
Evaporating temp .
10 ·c 1.
z·c
Condens ing temp . 55·c
54 . 4·c
Li qu id temp . entering
expansi
on va l ve . 46 . re 46 . 1·c
Ret urn gas temp . 2o·c 35·c
Am bient temp . 35·c 35·c
Wi
nd speed
2m/s 2m/s

SUBJECT
Mode l WHP09500AEDPC9EQ SPEC I FI CAT I ON PAG E: 2/ 30
*. COP = Heati
ng
caQac i t:I!: {W2
Moto r input (W)
*· R ated Capac i ty and input are meas ur ed with H ITACH I inver ter c ir cuit by secondary R efr i gerant
ca lor imeter Methods of
JIS B8606 by Shanghai Hitachi El ectr ical App li ances Co . , Ltd.
Allowab le capacity should
be mo re than 95 % of
the r ated capaci ty and al l owa ble i np ut
sho
ul d be less than 107 %of rated moto r input .
2. 6 Ref
rigerant
R41 0A
2. 7 Di splacement
25. 4 ml /
rev
2. 8 A
ll owabl e f requency
goo~ 1200
- 1
r ange
mi n
2. 9 O il
a 68HES - H
or
eq ui va l ent
1650±20ml
2. 10 A
ll owabl e amo u nt of r e fri ge r ant Bel ow 4500g
charge
2. 11
Comp r essor coo li ng For
ced air
2. 12 He r metic Te r mi na l
2. 13
Space vo lu me
of 2628cm
3
i nne r case
2. 14
Comp r esso r we i ght 19. 24kg
incl . Oi l
2. 15 Motor Type Di
rect cu rr ent brushl ess moto r
Ins u lat ion class
2. 16 Comp r esso r nat ur al fre quency 19.9Hz/2
1. 7Hz/24.5Hz (Shoul d t r y t o avo i d
or p
ass q ui ck ly)
3.
TH E P ARAM ETER OF MOTOR
Item • •
Spec expl ana ti on
3 .1
Rotor Pole ( Pol e)
4
--
3.2 Rated Frequency Range (Hz) El
ect r ica l Frequency, Rel at i ng to
30-240
VDCmax of Inver te r
Peak Current, at 120°
C' -5%
3.3 Demagnetizing Current
(A)
Demagnetizing Rate
54.0lA

SUBJECT
Mo del
WH P09500 AED P C9EQ
S PE C IFI CAT I ON P AG E: 3/ 30
3.4 Inductance Ld (
mH ) Sheet 2
--
3.5 Inductance Lq (
mH ) Sheet 2
--
3.6 Sta to r co il resistance
c2o· c) ( ~ ) o.502 c2o·
c)
line-to-line
3.7 Voltage Constant (Vrms/krpm) line-to-line
) 43.IOV/krpm
3.7 Torque Constant ( N • m/Arms) Torque/Current
0.69
3.9 Inertia (
Kg · m2 ) 0.000666
<I> (P er Pha se, Peak)=
J2. x EO
3.10 Flux
<l>a (W b ) 27if J3
0 .1 702
3.11 Magnet Material NdFeB
2
Cu r re
~ t
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
q 5. 44 5. 39 5. 34 5. 29
5. 24 5. 18 5. 12 5. 06 5. 00 4. 95 4. 89 4. 83 4. 78 4. 72 4. 66
d 3. 71 3. 65 3. 65 3. 64 3. 63 3. 61 3 .5 9 3. 56 3. 54 3. 51 3. 48 3. 45 3. 42 3. 39 3. 36
3
l :t n real
v al ue
c urrE
nt '!/..A
4 5 6 7 8 9 10
l:t
nn i ng to r que ( N. m)
2.1 2.8 3.4 4 .1 4.8 5.5 6.2 6.9
4. C
HARA CTE RI STI CS
4. 1 Appearance
T
he surf ace of the compressor is painted to black, w ith out obvious flaw , impac t scar, paint pee l
o
ff, rust and so on .
4. 2. Ind
ic at i on
Comp re ssor model type, manufacturing data are clearly indicated on the s urf ace of compressor.
4. 3.
Re sidual moisture
300mg
MAX
4. 4.
Re sidual impurities 150mg
MAX
4. 5 Diele
ctric withstand
A
1500V al te rnatin g voltage for !minute should be app lied between li ve parts and dead metal parts .

SUBJECT
Model WHP09500AED PC9EQ SPECIFICAT ION
5 PA RT S AN D D RAWING LIST
PARTS N AM E QTY / S ET
DRAWING NO.
Compressor 1
4CYCH0485
Mount i ng
Rubber gr
ommet
3
4CYC006 43
Par
ts Bo l t
--
4CYC00700
N ut
--
M8
El ectr ical Thermostat 1 4CYC01036
P arts
Term i na l cover 1
4CYC00988
Gasket 1
4CYC01047
N ut 1 3CYC00004
Rubbe r washer
1
4CYC00174
Sl eeve
1 4CYC01042
4CYC01039
1
2
3
*· Out of su pp l y, for r efer ence.
PAG E: 4/ 30
RE
MARKS
Di mens ioned sketch
*
*
Lead ro ut i ng
Pressure gu arantee
Chart
Oi l level datum
Notes for r otat i ona l
speed change
P erfo r mance
curse
Appendix

HEAT PU MP WATER HEATER COMPRESSOR CRITER I A
PAGE : 5/ 30
COMPRESSOR CR ITERIA
1 St rictl y observe the speci ficati on
Th e compressor should be used in specifications written in this "compressor specification" and
not be used in specifications outside it..
Th e ma in circuit must link up with fuse or breaker.
2 Source voltage
Spec ified in verte r is li nked up with compressor terminals . Applied vo l tage of this in ver te r
should be
vo l tage specified in this "comp re ssor speci f ication" . Al ternating vo l tage sho uld never
be applied on terminals (fo r examp l e: commercial alternating vol tage of l<j>lOOV, 200V, 3<j>200V) . This
i s because
that if app li ed al te rnating current the d irect current motor wi ll demagnetize.
3
Operating vo lta ge ran ge
The compressor
should be operated in the ran ge of rate d vol tage ±10%, under standa rd condition
and overload condition of rate d frequency (app li ed voltage to inverte r ) . It must be satisfied
with item 5 ,6, 7.
4
Operating temperatures and pressures
The operating temperatu r es and pr essures of a compressor sho uld be with in the range shown in
the tab le 2 and g raph 1.
5 Oil Back and height of the oi l level
Oil shoul d be returned continuously to the compressor and not kept in the refrigeration system .
Oil le vel of compressor sho uld be hi gher than 7. 5 mm fr om the lub r icating piece fixed on
the end of the cranksha ft .
Compresso r must not be started ope ra te d under a dual-la yer separate status.
However, in case of foaming si tuation, the height of this foam doe s not mean the height of the oi l le ve l.
If you do not keep the oi l level, the oi l shortage will occur, and influence the r eliability of compressor .
( Plea se check the oil level in the compressor with the sight glass we supply.)

HEAT PU MP WATER HEATER COMPRESSOR CRITERIA
PAGE: 6/ 30
The refrigerating 11E1Chine oil shoold be contirn:JUSly returned to the crnpressor and can not ram.in in the
refrigeratioo systan
Compressor oil surface height should be higher than the fuel supply po1 t 7.5mm or more. Compressor operation, not
allowed to separate the two layers
of oil and refrigeran t. However, when the foam occurs, the liquid becomes foam,
this
pa1 t does no t belong to the oil level.
If you can not meet the oil level, will cause the sliding part of the lack of oil, seriously affecting the reliability.
(Canbe
used to observe the oil witha rniirnr compressor to confum)
There should be supe1heated gas returned to th ecompr essor under all normal operating conditions.
Item
Discharge pressure
MP a
Suction Pressure
MP a
Compressor case bottom
temp
Motor winding temp
Accumu l ator temp
Ambient temp
Tab l e 2
Operating Enve lope
4. 762 MAX (see graph 1)
(condensing temperature : 70 . C)
0. 272- 1. 652
(Evaporation Temperature : - 3o · c-2s ·c )
gg•
cor be l ow and 6 degrees
higher than condensing temperature
R. Voltage± IO %: i2o ·c MAX
H igher than out l et pipe of evaporator
Meet for the condition of above mentioned motor winding
temp.

HEA T PUMP WAT ER HE ATER COM PRE SSOR CR ITE RI A
0
t-
lD
(!)
g
'"'
p "'
...,,
lD
~
~
M
0
"'
~
lD
J
....
.~
0
....
~
lD
i
{")
0
<">
u
lD
C\I
0
N
"'
....
0
....
lD
'
P6
---- ---- ~,,----
,, ,,
__ .,,
I
: P5
'
I
I
I
'
I
I
I
'
I
I
I
I
--
1 P4
:p3
I
I
I
I
I
I
I
I
I
-35 -:io -25 -20 -15 - 10
Pl
P7
- 5
Pl
EVI ON
EVI OFF
:P2
I
I
I
I
I
I
I
I
I
0 5 10 15 20 25 30
Graph 1 1
P2 P3 P4 P5 P6 P7
Condensing temperature
1o ·c 25 ·c 2s·c 35·c 6s ·c 1o ·c 1o ·c
E va porat io n Te mp erature
25 ·c 25 ·c - 3o ·c - 3o ·c - 3o ·c -1s ·c -s·c
6 Cu rr ent l imitation
PAGE : 7/ 30
Cu rr ent peak among motor term i na l s ( i nclude instantaneo us c ur rent peak) shou ld be
below d
ema gnetizing curre nt in orde r to pr event magnet in motor fr om d emagnetizat i on .
7 Press ur e di f fe rence between suct i on an d d ischarge
In al l al lowable rotational speed range, the di f fe rence of pr essu re should be mo re than
0. 39MPa {4kgf/ cm
2} . But if
the re is no pr oblem of no i se when assembled in a ir con di t ioner,
it can al so bel ow th is va lue.

HEAT PUMP WATER HEATER COMPRESSOR C RI TE RI A
PAGE : 8/ 30
8 Discharge pipe temper at ure
Discharge pipe temper at ure is measured at a di stance 300mm fr om the su rf ace of comp re ssor
and shou ld be less than llo ·c . The tip of the the rm ocouple is fixed by solde ri ng when
measuring di scha rge p ipe temper atu re .Furthermore, solde ri ng point is covered wi th u re thane
foam to p re vent the effect of wi nd .
9 Dust
of compressor hermetic termi nals
Comp re ssor hermet ic te rminals should be mounted wi th spec ifie d cover in ri ght way to prevent
du st entering, and should be used in d irecti on wh ic h dust is hard to enter in.
10 Lead w ire of compressor hermetic termi nals
Measuring the temperature of hermetic te rminal s , lead w ire sho ul d be resist to the temperature
and be clamped so as not in touch wi th the s urfa ce of comp re sso r and pipe .
11 Sta r t - stop fre quency
The
frequency sho uld be less than 6 times per hour. Operating time from start to stop should
be more
than 3 minutes. Stopp in g time should be more than 3minutes.
12 Rate
of r otat ional speed change
The
rate of compressor r otat iona l speed (accele r at ion ) should be less than 133min-'/ s, But if
The var i ab le range is bel ow 120min-', rate can al so be less than 600min-' when r otat ional
speed is reduced to avoid tempor ary over - current .
13 A ir and moisture in refri ger at in g system
The degree of vacuum in refri ge ratin g system sho uld be le ss than 20Pa (1 50X10 -3 mmHg) at
r oom temper atu re j ust befo re cha r ging refri ger ant . The qu ant it y of water shou ld be le ss
than 0. 15ml.

HEAT P UM P WATE R HEATER COMP RE SSOR CR ITERIA
PAGE: 9/ 30
14 I mpurities in refrigerating system
( 1) The
we ight of residue on the inside surface of the heat exchanger and tube should be
l
ess than 0. Olg/ m
2• B
ut metallic dust should not be permitted in the system. Th is va lue means
the we i ght of foreign residue col l ected by filer paper after washing in side su rface of the
heat exchanger tubes w ith R- 11.
(2) Prevent the impurities from entering into the enclosed unit system used R410A . When the
impuritie s entered into the enclosed system, it will damage the moving mechanism parts and
resu l t in the cap illar y depositing .
(3) El iminate all system contaminants such as trich l o reth ylene, al ka li es, soaps, oi l, acids
&wash in g flui d used at machining heat exchanger and tubes.
15 Compressor vac uum ope rati on
Comp re sso r should never be ope rate d wh ile under vacu um . Otherwise, internal arcing can
cause damag in g parts .
16 The compressor should be
operated for more than 20 seconds wi th in 15 minutes af ter charging
refrigerant into the system so proper lu bricat ion resu l ts.
17 Liq uid refrigerant ret u rn limitations
(1) Liquid refrigerant level in s- tank should be lower
than the top of s- pipe in s- tank . (s ee chart at ri ght)
(2) There should not exist noise of the liquid refri ge ran t compression, current and vibrancy
increa se . System can append the assistant stank or reduce the amount of refri gerant to
prevent fr om li quid refri ge ran t compression. Refrigerant system forbid li q uid refrigerant
fr om flowing back compressor in any case . In normal condition the overheat gas refri ge rant
should f l ow back compressor.

HEAT PUMP WATE R HEAT ER COM PRE SSOR CR ITERIA
PAGE : 10/ 30
~o i iqui d compre ss ion soun d, current i ncreases, vi oration increa sed, etc. occurred. in or d er to
~re v ent flui d compre ss ion , an aux ili ary reser vo ir may be added or the amount of refrigerant
enclose d may be reduced. No matter what the cond itions, the refrigeration sys tem shoul d not have
liqui d to the compressor back. Under normal operating cond itions, the superheated gas should be
returne d to the compressor.
18 Purge parts with dry nitrogen or dry a ir to rem ove rem ains in parts (du st, de tergent, etc. )
bef
ore assembly of system. Ti me fur purging : over one second for pipe ; over three seconds for
heat exchanger. Purgi ng pressure : 0. 9±0. lMpaG . Dew po i nt of dry air : Below - 20 °C.
The motor win din g temperature sho ul d be l ess than 149°Cand herme t ic termi nal body
tempe ra ture s ho uld be l ess than 177 ° Cin process of manufactu ri ng .
19 App l y f or veh icle
The compressor sho uld not be used on moving equipment such as automob ile s, tra in s, s hip s, etc.
20 In sta ll at i on
The r otat ional axis of comp re sso r s ho uld be kept vert i ca l d ur in g operat i on . But in actua l
appl i
cat ion the axis i ncl ine must be wit hin 5°at al l d ir ections d uri ng operation .
21 Pipe vib ra t i on
The di sp lacement of the pipes, wh ich connect fr om the compressor to othe r parts of the
refrigerate -or systems, sh ou ld be l ess than 0. 8mm( l/ 32")when the comp r essor is operating at
al l owab le r otat ional speed ran ge and vo l tage range of r ated ±10 %.
Displacement in excess of 0. 8mm( l/ 32") w ill require changi ng tube length and/ or r out in g.
22 Connecting tube de si gn
In design i ng and r out ing tubing th at connect from the comprssor to the other par ts of the ai r
cond
iti oner, fol l ow in g sho uld be considered .

HE AT P UMP WATE R HEA TER COMP RESSOR CR ITE RIA
Moving t u bes to the moving pa r ts; minimum clea rance 12. 7mm (1 /2")
Moving t u bes to non-moving pa r ts; minimum clea rance 9. 5mm ((3 /8")
Moving tubes never touch to lead wire .
23 Avo id re fri ger ant mig r at ion
PAG E: 11/ 30
The re fri ger ant mig r at ion to compressor she ll should be avoided dur ing the heat pump water heate r
system sh ut down per iods, It's su ggested that the elect ri c heating belt should be used aro u nd
the she l l bottom when necessary .
24 Misce
ll any
(
1) The comp r esso r should be ca rri ed ca r efully to avoid drop, dr ag , impact and should not appl y
pa r tial f orce on pr oj ect ion pa r ts such as pipe, hermetic te rmi nals, f oot d uri ng ca rr ying
and processing .
(2) The compressor should not be operated to forma vacuum and to absor b air . The comp r essor
onl y can r un in one d ir ection which accor ding to l ead r outing w iri ng diag r am . Neve r
rever
sion otherwi se thecompr essor wi l l be in t r ouble.
(3) The comp r essor should not be left opened in the atmospher e for mo re than 5 mi nutes .
When the a ir ente red i nto the uni t system wi th re fri ger ant R410A, it wi l l expedi te the
dete r io r at ion of the o il and resu l t in the capi l la r y depositing and the reduci ng of
i ns u lat ion r es i stance .
(4) Elect ri c pul se shou ld not be appl ied to compressor when it is in vacu um .
(5) The compressor shou ld be kept in the pl ace wi th l ow - dust, l ow-mo i sture .

HE AT P UMP WATE R HEA TER COMP RESSOR CR ITE RIA
PAG E: 12/30
(6) The compressor can't be used in the pl ace wi th cor rosive atmosphere such as hot
sp ri ng and chemical warehou se . It shou ld not be the st ru cture often spl ash water on the
su r face of the compressor forcibl y.
(7) The t r ouble of cr oss valve, el ectromagnet ic valve, de fr oster, r ef r ige r ant cont r ol l er ,
fan motor u sed in r efrige r ating system may cause comp r essor acc i dent .So their re li ab i l i ty
shoul d be ensured completely . Moreover , the way of design, man uf acture, appl i cat ion of
ref
rige r at ion cycle wi th l ess - leak shou ld be adopted .
(8) The main elect ri c c ir cuit shou ld be equipped with fuse or breaker.
(9) Refr i gerant should be cha rged f rom the end of condenser of re fri ger at i ng systems. Never
Charge r efr i gerant to the compressor d ir ectly .
The re fri ger ant shou ld always be cha rged in l iqu id state . When the r efrigerant is cha rged
in
gas state . The per cent component wi l l poss ibl y be changed.
( 10) T empe r atu r es wi thin systems dur ing stab le comp r essor oper at ion should not be l ess
than - 35 •c to pr event wax pr ec ipi tat ion fr om the oi l .
(1
1) The units of refr i gerating system should be connected to
ea r th .
(12) Comp r essor mo u nting
Rubbe r gr ommets are des igned soft to pr ovide the no i se i solat ion and to lessen vib r at ion
Ene rgy t ransmi ss ion. Stud bolt should be designed to provide su ffi ci ent clearance fo r
noi
se andvibr at ion i so l ation and to prevent comp r essor fr om coming o ff i ts mo u nt .
(13)
The re shoul d be adequate cl earance between the u nder~s urf ace of Push-Nut and the
upper su r face of rubber gr ommets .

HEAT PUMP WATER HEATER COMPRESSOR CRITERIA
PAGE: 13/ 30
(1 4) SHEC will n ot take any responsi bi l i t y against accident that is caused by the accessories
equipped by yourse l ves .
(
15) The hermetic termina l s of compressor should not be inserted sl anting l y and not be
appl
ied twisting force after inserting so as to avoid reducing of termina l fixed force.
( 16) The pipe and hermetic pens attached to the compressor should not be bent .
(
17) The dropped compressor can't be used anymore.
(18) Compressor can be used when ambient temperature is higher than -l0°C. Confum the sta1t-up
of compressor if the temperature
of compressor surface is below -10· c. Heat up compressor to
reach the temperature higher than
-1 0 ·c with heater if the ambient temper ah rre is below -10· c.
(19) Seta the1 mis tor on the case cover of compressor to prevent fr om accident of leakage of refrigerant.
The the1mistor can stop the operation
of compressor when compressor in abnormal temperahire.
Thelead wires of thermostat is enveloped with rube, as same as that of the te1minals, to
avoid directcontact wi
th the compressor and pipe.
(20) The compressor should not be sp l ashed with water intentionally. Pr event moisture from
entering into the enclosed unit system. When the moisture entered into the unit of
the refrigerant R410A, the refr i gerant oi l and the organic compound mater ial presented
in the hermetic motor wi l l possibly decompose on the af fecting of water . It wi l l result
in the capillary deposit i ng and the reduc ing of insul at ion resistance .

HEA T PUMP WA TE R H EAT ER COM PR ESSOR C RITE RI A
PAGE : 14/30
It is necessa r y to insta l l a dr yer to dehum id if y the re s id ual moisture mixed in the
r efrigerant in the cyc li ng system . The special l y de fine d molecular -sieve dryer is
advi sed .
(21) Use the r efrigerant of spec ifie d brand . When the refri ger ant not spec ifi ed used, it wi ll
possibl y cause t r oub le of the pe rf ormance and re l i abi l it y of the compressor by the
impurit ie s in the r efrigerant .
(22) The l
ead wi r es should be connected to he rmeti c termi nals wi thout being touched on the
sur fa ce of the comp r essor .
(2 3) Be care ful of avo idin g oxide sca le wh i le so lderin g d uri ng assembl y of re fri ger at i ng
system .
(
for example : flow or fu lfill dr y nitrogen )
(24) The
quantity and k in d of contam ina tion (the pr ocess mater ia ls) in the cycle shoul d
be gr
asped and managed. Ca rr y on re l iab i l i ty test that inp ut contami nat ion a l ot than
anticipated contaminat ion quant i ty .
(25) To avo id water and imp ur ity i nto he re fri ger at ion system and make su re no le akage of
refri ger ant du ri ng the operat in g course . I t's req ui red to d ir ect the er ector and
maintenance
man of ai r- conditioner .
(2 6) The start - up cur r ent and tors ion of compressor
Ad ju st the sta r t - up cur r ent of the comp re sso r to get enough torsion by inver ter . Con firm and
measure
the sta r t -up c urr ent if change the pa rt s and design .

HEA T PUMP WA TE R H EAT ER COM P RESSOR CRI TER I A
PAG E: 15 / 30
(27) The fuse or/ and breaker shou ld be equipped in the main ci r cuit .
(
28) The th ickness of the re f rigerat i ng system using tube
the tube th ickness
as followed
externa l diameter
(mm)
6. 35 9. 52
12 . 7
15 . 88 19 . 05 22 . 2 25 . 4 3
1. 75
38 . 1 44 . 45
Thickness (mm)
0. 8 0. 8 0. 8 1 1 1 1 1. 1 1. 4 1. 5

Check upon De l ive r y
PAGE : 16/30
1. B asis for Checking upon De li ver y
The Per fo rmance test wi ll be ca rr ied out in accordance wi th th is "compressor Speci f ication''.
The Safety Pe rfo rmance in accordance wi th GB4706. 1 Safety of household and simi l ar el ectr i ca l
appl
iances General requ ir ements and GB 4706. 17 Saf ety of household and sim il ar el ectr i ca l
app
li ances Par t i cul ar r equ irements for motor- comp r esso r.
2. Rul e fo r Checki ng upon Del ivery
If come across any qual ity pr ob l em, pl ease not i fy the company in wr i tten fo rm with in 30 days
af
te r the ar ri val of the ca rgo, the company shall exchange exact ly the number of the pr oducts,
othe rwise they shall be r ega rded as being up to standa rd.

.......
--l
......_
w
0
4CYCH0485
~
g
;::>
ci
......
U')
3758 '°
35
114
52,4
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891
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