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EWN Series
IWAKI PUMPS EWN Series User Manual
132 pages
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201
1 IWAKI
CO.,
LTD.
Iwaki
Electromagnetic Metering Pump
EWN-Y
(North
America)
Instruction manual
Thank you for choosing our product.
Please read through this instruction manual before use.
This instruction manual describes important precautions and
instructions for the product.
Always keep it on hand for quick
reference.
WT-MN-026-01
2
Table of Contents
Order Confirmation
2
Table of Contents
3
Safety Instructions
7
Warning
8
Caution
10
Precautions for Use
14
Overview
18
Introduction
18
Pump Structure & Operating Principle
18
Auto Degassing System
19
Features
20
Operational Functions
20
Manual Mode
20
EXT Mode
21
Digital Control
21
Analogue Proportional Control
23
PRIME Mode
24
Control Functions
25
STOP Function
25
Pre-STOP Function
25
AUX Function
26
Interlock Function
26
Output Functions
26
OUT1 (Mechanical Relay)
26
OUT2 (Photomos Relay)
27
Analogue Output
27
Control with External Devices
28
Combination with the EFS Flow Sensor
28
Feedback Control
29
Batch Operation
30
Combination with the FCP and FCM
31
Mode
31
Mode
32
Mode
33
Mode
34
Part Names
35
Pump
35
Operational Panel
36
Basic Displays & Pump States
37
Identification Codes
38
Pump/Drive Units
38
Installation
40
Pump Mounting
40
Pipework
41
Tube Connection
41
Check Valve Mounting
43
Wiring (Pump)
45
End Terminals
46
Power Voltage/Earthing
46
Signal Wire Connection
48
STOP Signal
49
Input Signal
50
Output Signal
50
Wiring (External Devices)
51
EFS Flow Sensor Mounting (Purchase Separately)
51
FCP/FCM Mounting (Purchase Separately)
53
Flow Counter (FCP)
53
Flow Checker (FCM)
53
FCP/FCM Wiring
54
Operation
55
Before Operation
55
Points to be Checked
55
Retightening of Pump Head Fixing Bolts
55
Use of Hexagon Wrench Instead of a Torque Wrench
56
Stroke Rate Adjustment
56
Degassing
57
Ewn VC/Vh/Pc/Ph/Tc/Pp/Sh
57
Ewn Fc/P6-V
59
Flow Rate Adjustment
61
Stroke Rate Adjustment
63
Stroke Length Adjustment
64
Flow Calibration
65
Before a Long Period of Stoppage (One Month or More)
66
Operation Programming
67
Programming Flow
70
Manual Operation
72
EXT Operation
73
Digital Control
73
Buffer ON/OFF Selection (MULT/DIV)
74
Analogue Proportional Control
75
Priming Function
80
Keypad Lock
80
Keypad Lock Activation
80
Keypad Lock Release
81
Emergency Stop with a Keypad Lock State
81
Unit Change
82
Stroke Rate Unit
82
Flow Rate Unit
82
User Mode
83
Output Programming
84
Input Programming
87
EXT Mode Setting
89
FCP/FCM Programming
89
PIN Number Entry
92
Operation History
93
Combination with the EFS Flow Sensor (Setting)
94
Feedback Control
94
Batch Operation
95
Buffer ON/OFF Selection (Batch)
96
Default Setting
97
Out of Measurement and Poor Flow Alarm (OUT1 & 2)
98
Maintenance
100
Troubleshooting
101
Error Codes
102
Error Code Information
102
Countermeasures
102
Inspection
103
Daily Inspection
103
Periodic Inspection
103
Wear Part Replacement
104
Wear Part List
104
Before Replacement
105
Valve Set Replacement
105
Discharge Valve Set Disassembly/Assembly
105
Suction Valve Set Disassembly/Assembly
107
Spacer Set Replacement (Auto Degassing Type)
108
Air Vent Valve Set Replacement (Auto Degassing Type)
109
Diaphragm Replacement
109
Exploded View
112
Pump Head, Drive Unit & Control Unit
112
Pump Head
113
Ewn-VC/Vh/Ve/Pc/Ph/Pe/Tc
113
Ewn Fc
114
Ewn Sh
115
Ewn-C31 P6-V
116
Ewn-B11/-B16/-C16/-C21 VC-A/Vh-A
117
Specifications/Outer Dimensions
118
Specifications
118
Pump Unit
118
Control Unit
121
Power Cable
122
Pump Colour
122
Outer Dimensions
123
Ewn-B11/-B16/-B21/-C16/-C21 VC/Vh/Ve/Pc/Ph/Pe
123
Ewn-B31/-C31 VC/Vh/Ve/Pc/Ph/Pe
123
Ewn-C36 VC/Vh/Ve/Pc/Ph/Pe
124
Ewn-B11/-B16/-B21/-C16/-C21 Fc
124
Ewn-B31/-C31 Fc
125
Ewn-C36 Fc
125
Ewn-B11/-B16/-B21/-C16/-C21 Tc
126
Ewn-B31/-C31 Tc
126
Ewn-C36 Tc
127
Ewn-B11/-B16/-B21/-C16/-C21 Sh
127
Ewn-B31/-C31 Sh
128
Ewn-C36 Sh
128
EWN-B11/-B16/-B21/-C16/-C21 VC-C/VH-C/VE-C (High Compression Type)
129
EWN-B11/-C16 PC-H/PH-H/PE-H (High Pressure Type)
129
EWN-B11/-C16 SH-H (High Pressure Type)
130
EWN-C31 P6-V (High Viscosity Type)
130
EWN-B11/-B16 (Auto Degassing Type)
131
EWN-C16/-C21 (Auto Degassing Type)
131
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IWAKI PUMPS EWN Series Specifications
General
Brand
IWAKI PUMPS
Model
EWN Series
Category
Water Pump
Language
English
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