IWAKI PUMPS EHN-YN User manual

©2010 IWAKI CO., LTD.
Thank you for choosing our product.
Please read through this instruction manual before use.
This instruction manual describes important precautions and instruc-
tions for the product. Always keep it on hand for quick reference.
Instruction manual
EHN-YN
Iwaki
Electromagnetic Metering Pump
Safety instructions Overview Installation Operation Maintenance 6SHFL¿FDWLRQV

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Open the package and check that the product conforms to your order. If any problem or
inconsistency is found, immediately contact your distributor.
a. Check if the delivery is correct.
Check the nameplate to see if the information such as model codes, discharge capacity, discharge pressure
and power voltage are as ordered.
b. Check accessories are complete.
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c. Check if the delivery is damaged or deformed.
Check for transit damage and loose bolts.
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Contents
2UGHUFRQ¿UPDWLRQ2
Safety instructions.................................................................... 6
:DUQLQJV........................................................................................................................................................7
&DXWLRQV.........................................................................................................................................................8
3UHFDXWLRQVIRUXVH ....................................................................................................................................10
Overview...................................................................................12
,QWURGXFWLRQ .................................................................................................................................................12
3XPSVWUXFWXUH2SHUDWLQJSULQFLSOH 
)HDWXUHV 
2SHUDWLRQDOIXQFWLRQ...................................................................................................................................13
0DQXDOPRGH 
(;7PRGH 
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0XOWLSOLHUSURJUDPPLQJ 
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3ULPLQJIXQFWLRQ 
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3DUWQDPHV...................................................................................................................................................17
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2SHUDWLRQSDQHO 
%DVLFGLVSOD\V 
$ODUPGLVSOD\V20
2WKHUGLVSOD\V20
$XWRUHVWRUDWLRQGLVSOD\V)&0W\SH 
,GHQWL¿FDWLRQFRGHV....................................................................................................................................22
3XPS22
&RQWUROXQLW
Installation .............................................................................. 24
3XPSPRXQWLQJ...........................................................................................................................................24
3OXPELQJ......................................................................................................................................................25
7XEHFRQQHFWLRQ 
9&9+3&3+33W\SHV 
6+)&W\SHV
&KHFNYDOYHPRXQWLQJ 
:LULQJ ...........................................................................................................................................................29
3RZHUYROWDJH(DUWKLQJ
6LJQDOZLUHFRQQHFWLRQ

&RQWHQWV
Operation................................................................................. 33
%HIRUHRSHUDWLRQ .........................................................................................................................................33
3RLQWVWREHFKHFNHG 
5HWLJKWHQLQJRISXPSKHDG¿[LQJEROWV
8VHRIDKH[DJRQZUHQFKLQVWHDGRIDWRUTXHZUHQFK 
'HJDVVLQJ
(+1%&9&9+3&3+336+
(+1%&)&DQG(+1%&9&9+3&3+33)& 
)ORZUDWHDGMXVWPHQW 
)ORZUDWHVWURNHUDWHDQGVWURNHOHQJWK 
3UHFDXWLRQVRIÀRZUDWHDGMXVWPHQW 
6WURNHUDWHDGMXVWPHQW
6WURNHOHQJWKDGMXVWPHQW
%HIRUHDORQJSHULRGRIVWRSSDJH2QHPRQWKRUPRUH
2SHUDWLRQSURJUDPPLQJ.............................................................................................................................40
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2SHUDWLRQ .....................................................................................................................................................42
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,QVSHFWLRQ ....................................................................................................................................................56
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:HDUSDUWUHSODFHPHQW ...............................................................................................................................57
:HDUSDUWOLVW 
%HIRUHUHSODFHPHQW

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'LVFKDUJHYDOYHVHWGLVDVVHPEO\DVVHPEO\
6XFWLRQYDOYHVHWGLVDVVHPEO\DVVHPEO\
$LUYHQWYDOYHVHWUHSODFHPHQW6+W\SH 
$LUYHQWYDOYHVHWUHSODFHPHQW1$(W\SH
)ORZFKHFNHUUHSODFHPHQW)&0;)&0 
'LDSKUDJPUHSODFHPHQW
([SORGHGYLHZ .............................................................................................................................................66
3XPSKHDG'ULYHXQLW&RQWUROXQLW
3XPSKHDG 
(+1%%%&&9&9+3&3+ 
(+1%&&9&9+3&3+ 
(+1%%%%&&&&33
(+1%%%%&&&&)& 
(+1%%%%&&&&6+
(+1%%%%&&&&1$(
(+1%%%%&&&&)&0;)&0 
&KHFNYDOYH9&9+3&3+ 
6SHFL¿FDWLRQV2XWHUGLPHQVLRQV..............................................................................................................71
6SHFL¿FDWLRQV 
3XPS 
&RQWUROXQLW 
3RZHUFDEOH
3XPSFRORXU 
$FFHVVRULHV 
2SWLRQV 
2XWHUGLPHQVLRQV 
(+1%%%9&9+3&3+33
(+1%9&9+3&3+33 
(+1&&9&9+3&3+33 
(+1&&9&9+3&3+33 
(+1%%)& 
(+1&)& 
(+1&&)&
(+1%%6+ 
(+1&6+ 
(+1&6+ 
(+1&6+ 
(+1%%1$( 
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