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N74A3
Runxin N74A3 User Manual
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Multi-functional
Flow Control V
alve for
W
ater
T
reatment S
ystems
63510
（
Old Model
：
N74A1
）
63610
（
Old Model
：
N74A3
）
63510B
（
Old Model
：
N74B1
）
63610B
（
Old Model
：
N74B3
）
Instruction Manual
Please
read
t
his
manual
in
det
ails
b
efore
using
the
valv
e
and keep it properly in order to consult in the future.
0WRX.466.510
International
Patent No.
：
WO 2006/0
07772
Chi
na
Patent
No.
：
ZL02220153.
X
，
ZL2004200
78956.5
U
S
P
a
t
e
n
t
N
o
.
：
7549
446
I
nd
i
a
P
a
te
n
t
N
o
.
：
232582
Russia Pate
nt No.
：
2349819
S
ou
t
h
K
or
e
a
P
a
t
e
n
t
N
o.
：
10
-091413
7
Mexico Pate
nt No.
：
26
8581
Australia Pat
ent No.
：
2005263257
Philippin
e Patent
No.
：
1-
2006
-502
553
T
aiwan Pat
ent No.
：
M
287896
2
Table of Contents
Parameter Set
2
Catalogue
3
Notice
4
Product Overview
5
Main Application &Applicability
5
Product Characteristics
5
Long Outage Indicator
5
Interlock Function
6
Four Kinds of Meter Type Can be Selected
6
Signal Output
7
Remote Handling Input
7
Pressure Relief Output
7
Maximum Interval Regeneration Days
7
Service Condition
8
Product Dimension and Parameter
9
Product Dimension
9
Structure Chart
9
Technical Parameters
10
Installation
10
Installation Notice
10
Device Location
10
Pipeline Installation
11
Install Control Valve
11
Install Flow Meter
12
Pipeline Connection
12
Install Drain Pipeline
13
Connect Brine Tube
13
Basic Setting & Usage
14
The Function of PC Board
14
Parameter Specification
16
Process Display
18
Usage
18
Applications
20
Softener Flow Chart
20
The Function and Connection of PC Board
22
The Main Functions on Main Control Board
22
Signal Output Connector
23
Control Solenoid Valve
23
Solenoid Valve on Inlet
23
Wiring of Solenoid Valve on Inlet
24
Wiring of Pressure Relief Port
24
Wiring of Solenoid Vale in Inlet
24
Liquid Level Switch in Water Tank Controls Inlet Pump
25
Control Inlet Booster Pump
26
Interlock
26
Remote Handling Connector
27
Interlock System
27
Series System
28
System Configuration and Flow Rate Curve
29
Product Configuration
29
Flow Rate Characteristic
29
Pressure-Flow Rate Curve
29
Configuration for Standard Injector and Drain Line Flow Control
30
Parameter Settlement
31
Service Timet1
31
Water Treatment Capacity
31
Brine & Slow Rinse Time T3
31
Exchange Factor
32
Regeneration Time
32
Parameter Enquiry and Setting
32
Parameter Enquiry
32
Parameter Setting
33
The Steps of Parameter Setting
33
Resin Volume
34
Feed Water Hardness
34
Trial Running
37
Trouble-Shooting
38
Control Valve Fault
38
Controller Fault
41
Assembly & Parts
43
Valve Body Assembly
43
Component and Part No. for N74A3/N74A1
44
5447003 Flow Meter Connector
45
5458002 Side Connector Structure Chart
45
N74B3 (63510B) Structure Chart
46
Warranty Card
48
4
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Runxin N74A3 Specifications
General
Brand
Runxin
Model
N74A3
Category
Control Unit
Language
English
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