Runxin 17603 User manual

Multi-functional Flow Control Valve for
Water Treatment Systems
17603（Old Model：F73）
Instruction Manual
Please read this manual in details before using the valve
and keep it properly in order to consult in the future.
0WRX.466.509
Chinese Patent No.: ZL02220153.X
ZL200620108588.0

MODEL F73（17603）
Before the valve put into use, please fill in the below content so as to
help us to refer in the future.
Softener System Configuration
Tank Size：Dia. mm，Height mm；
Resin Volume L；Brine Tank Capacity L；
Hardness of Raw water mmol/L；
Pressure of Inlet Water MPa；
Control Valve Model ；Number ；
The Specification of Drain Line Flow Control ；
Injector No. .
Water Source: Ground-water□ Filtered Ground-water □Tap Water □
Other .
Parameter Set
Parameter
Unit
Factory
Default
Actual Value
Time of Day
Hour：
Minute
Time of Day
Control Mode A-01/03/11/13
/
A-01
Interval Backwash Time
/
F-00
Water Treatment Capacity
m3
10.00
Resin Volume
L.
50L
Feed Water Hardness
mmol/L
1.2mmol/L
Regeneration Factor
/
0.65
Unit Mode HU-01/02/03
/
HU-01
Fast Rinse Time
min.
10
Backwash Time
min.
10
Brine & Slow Rinse Time
min.
60
Brine Refill Time
min.
05
Interval Regeneration Days
D.
30
Signal Output Mode b-01
（02）
/
b-01
If there is no special requirement when product purchase, we choose
5# drain line flow control，and 6308 injector for the F73 standard
configuration.

MODEL 17603
I
Catalogue
Notice ...........................................................................................................
1. Product Overview.....................................................................................
1.1. Main Application &Applicability .............................................................
1.2. Product Characteristics.........................................................................
1.3. Service Condition..................................................................................
1.4. Product Structure and Technical Parameters (The appearance is just
for reference. It is subjected to the real product.)........................................
1.5. Installation.............................................................................................
2. Basic Setting & Usage .............................................................................
2.1. The Function of PC Board.....................................................................
2.2.Basic Setting & Usage ...........................................................................
3.Applications...............................................................................................
3.1. Softener Flow Chart..............................................................................
3.2. The Function and Connection of PC Board..........................................
A. Signal Output Connector..................................................................
B. Pressure Relief Output.....................................................................
C. Remote Handling Connector............................................................
3.3. System Configuration and Flow Rate Curve.........................................
3.4. Parameter settlement............................................................................
3.5. Parameter Enquiry and Setting.............................................................
3.6. Trial running...........................................................................................
3.7. Trouble-Shooting...................................................................................
3.8. Spare Parts and Part Number...............................................................
4. Warranty Card..........................................................................................

MODEL 17603
1
Notice
To ensure normal operation of the valve, please consult with
professional installation or repairing personnel before use it.
If there are any of pipeline engineering and electric works, there must
be finished by professional at the time of installation.
Do not use the control valve with the water that is unsafe or unknown
quality.
Depending on the changing of working environment and water
requirement, each parameter of softener should be adjusted accordingly.
When the water treatment capacity is too low, please check the resin. If
the reason is shortage of resin, please add; if the resin is turn to reddish
brown or broken, please replace.
Test water periodically to verify that system is performing satisfactorily.
Sodium used in the water softening process should be considered as
part your overall dietary salt intake. Contact doctor if you are on a low
sodium diet.
Ensure that there is solid salt all the time in the brine tank in the course
of using, when this valve is used for softening. The brine tank should be
added the clean water softening salts only, at least 99.5% pure,
forbidding use the fine salt.
Do not put the valve near the hot resource, high humidity, corrosive,
intense magnetic field or intense librations environment. And do not
leave it outside.
Forbidden to carry the injector body. Avoid using injector body as
support to carry the system.
Forbidden to use the brine tube or other connectors as support to carry
the system.

MODEL F73（17603）
2
Please use this product under the water temperature between 5～50℃,
water pressure 0.15～0.6MPa. Failure to use this product under such
conditions voids the warranty.
If the water pressure exceeds 0.6Mpa, a pressure reducing valve must
be installed before the water inlet. While, if the water pressure under
0.15MPa, a booster pump must be installed before the water inlet.
It is suggest to install PPR pipe, corrugated pipe or UPVC pipe, instead
of TTLSG pipe.
Do not let children touch or play, because carelessness operating may
cause the procedure changed.
When the attached cables of this product and transformer are changed,
they must be changed to the one that is from our factory.

MODEL F73（17603）
3
1. Product Overview
1.1. Main Application &Applicability
Used for softening or demineralization water treatment systems
Be suitable for continuing supply water occasion
1.2. Product Characteristics
Simple structure and reliable sealing
It adopts hermetic head faces with high degree pottery and
corrosion resistance for opening and closing. Using U1, U2 service tank
for switching, it combines with Regeneration such as Standby, Fast
Rinse, Backwash, Brine & Slow Rinse, Brine Refill.
Meter type, single valve with double tanks continuous water
supply.
Manual function
Realize regeneration immediately by pushing manual button at any
time.
Long outage indicator
If outage overrides 3 days, the time of day indicator will flash to
remind people to reset new time of day. The parameters no need to be
reset for all the parameters are kept as before.
LED Multicolor Display Screen
Color bar continuous rolling mean in service position or without
rolling means system in regeneration status.
Buttons lock
No operations to buttons within 1 minute, keyboard locked
automatically. Before operation press and hold the and buttons
for 5 seconds to unlock. This function can avoid operation by accident.
Down-flow regeneration, up-flow regeneration can be

MODEL F73（17603）
4
interchanged in a valve.
By program selection to choose down-flow regeneration and up-flow
regeneration.
Interval backwash times (Suitable for up-flow regeneration
type)
It could set up interval backwash times for up-flow regeneration type,
which means several times of services but one time of backwash. The
setting of interval backwash time is depending on the local water turbidity.
(The lower the turbidity is, the longer of the interval backwash time can
be set)
Signal output
There is a signal output connector on main control board. It is for
controlling external wiring (Refer to Figure from Figure3-1 to Figure 3-8).
There are two kinds of output modes. b-01 Mode: Turn on start of
regeneration and shut off end of regeneration; b-02 Mode: Signal
available only intervals of regeneration cycles and in service.
Remote handling input
This connector can receive external signal, used together with PLC,
and computer etc. to control the valve.（Application refer to Figure 3-10）
Pressure relief output
The valve will cut off feeding water to drain line when it switches in

MODEL F73（17603）
5
regeneration cycles (Same as signal output b-02). Thus in some water
treatment system, e.g. Deep Well, one booster pump is installed on the
inlet to increase the system water feeding pressure, this cut-off will
cause pressure on inlet rising too fast to damage the valve. Pressure
Relief Output can be used to avoid this problem. (Application refer to
Figure3-9)
Maximum interval regeneration days
Under the situation of service reaching the setting days and the
volume not yet, it could enter into regeneration process forcibly when
current time is the same as regeneration time.
All parameters can be modified
According to the water quality and usage, the parameters in the
process can be adjusted.
1.3. Service Condition
Runxin Valve should be used under the below conditions:
Items
Requirement
Working
conditions
Water pressure
0.15MPa～0.6MPa
Water
temperature
5℃～50℃
Working
environment
Environment
temperature
5℃～50℃
Relative
humidity
≤95%（25℃）
Electrical facility
AC100～240V/50～60Hz
Inlet water
quality
Water turbidity
Down-flow regeneration ＜5FTU ；
Up-flow regeneration＜2FTU
Water hardness
First Grade Na+＜6.5mmol/L ；
Second Grade Na+＜10mmol/L
Free chlorine
＜0.1mg/L
Iron2+
＜0.3mg/L
CODMn
＜2mg/L（O2）

MODEL F73（17603）
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In the above table, First Grade Na+ represents First Grade Na+
Exchanger. Second Grade Na+ represents Second Grade Na+
Exchanger.
When the water turbidity exceeds the conditions, a filter should be
installed on the inlet of control valve.
When the water hardness exceeds the conditions, the outlet water
hardness will hardly reach the requirement of boiler feed water（0.03
mmol/L）. It is suggested to adopt second grade softener.
1.4. Product Structure and Technical Parameters (The
appearance is just for reference. It is subjected to the real
product.)
Model
Applicable Power
Adapter Output
Flow Rate
m3/h
Regeneration Mode

MODEL F73（17603）
7
@0.3MPa
F73（17603）
DC12V、1.5A
3.5
Down-flow/Up-flow
1.5. Installation
A. Installation notice
Before installation, read all those instructions completely. Then
obtain all materials and tools needed for installation.
The installation of product, pipes and circuits, should be
accomplished by professional to ensure the product can operate
normally.
Perform installation according to the relative pipeline regulations
and the specification of Water Inlet, Water Outlet, Drain Outlet, Brine
Line Connector.
B. Device location
①The softener should be located close to drain.
②Ensure the unit is installed in enough space for operating and
maintenance.
③Brine tank need to be close to softener.
④The unit should be kept away the heater, and not be exposed outdoor.
Sunshine or rain will cause the system damage.
⑤Please avoid to install the system in one Acid/Alkaline, Magnetic or
strong virbration circumstance, because above factors will cause the
system disorder.
⑥Do not install the filter or softener, drain pipeline in circumstance which
temperature may drop below 5℃, or above 50℃.
⑦One place is recommended to install the system which causes the
minimum loss in case of water leaking.

MODEL F73（17603）
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C. Pipeline installation
①Install control valve
a. As the Figure 1-1
shows, select the riser
pipe with 26.7mm OD,
glue the riser pipe to the
bottom strainer and put it
into the mineral tank, cut
off the exceeding tube
out of tank top opening.
b. Fill specified quantity
of resin to the tank (The
distance between two
tank centers is 375mm).
c. Screw top distributor into valve.
d. Insert the riser tube into control valve and screw tight control valve.
e. Install another tank with base connector as above steps.
Notice:
●The length of riser tube should be neither higher 2mm nor lower
5mm tank top opening height, and its top end should be
rounded to avoid damage of O-ring inside the valve.
●Avoid floccules substance together with resin to be filled in the
mineral tank.
●Avoid O-ring inside control valve falling out while rotating it on
the tank.
②Install animated connector
As Figure1-2 shows, put the sealing ring into nut of animated
connector, and screw in water inlet.
③Install flow meter
As Figure1-2 shows, put the sealing ring into nut of flow meter,
screw in water outlet; insert the sensor into flow meter.

MODEL F73（17603）
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④Pipeline connection
a. As Figure1-3 shows, install a pressure gauge in water inlet.
b. Install valve A, valve B, valve C and valve D in inlet, outlet and
between the inlet and outlet pipeline. Valve D is a sample valve. (Or
adopt F70C bypass valve).
c. Inlet pipeline should be in parallel with outlet pipeline. Support inlet
and outlet pipeline with fixed holder.

MODEL F73（17603）
10
Notice
●If making a soldered copper installation should do all sweat
soldering before connecting pipes to the valve. Torch heat will
damage plastic parts.
●When turning threaded pipe fittings onto plastic fitting, use care
not to cross thread or broken valve.
⑤Install drain pipeline
a. As the Figure 1-4 shows, slide the drain hose
connector into drain outlet.
b. Insert drain line flow control into drain outlet
c. Screw
drain hose
connector
into drain
outlet, and
lock it.
d. Locate
the drain hose well as the Figure1-4 show.
Notice:
●Control valve should be higher than drain outlet, and be better
not far from the drain hose.
●Be sure not connect drain with sewer, and leave a certain space
between them, avoid wastewater be absorbing to the water
treatment equipment, such as showed in the Figure1-4.
●If necessary can use a container to take drainage, the drain
hose should be kept in certain distance from container as well.

MODEL F73（17603）
11
⑥Connect brine tube
a. As Figure1-5 shows, slide 3/8″ brine tube hose connector over end of
brine tube.
b. Insert tube bushing into the end of brine tube.
c. Insert the red brine line flow control into valve brine line connector
(Attention: cone side of control should face into valve)
d. Tighten brine draw hose connector onto brine line connector.
e. Connect the other end of brine tube with the brine tank. (The liquid
level controller and air-blocker should be installed in the brine tank.)
Remark: The brine tube and drain pipeline should not be bended or
plugged.

MODEL F73（17603）
12
2. Basic Setting & Usage
2.1. The Function of PC Board
A. Time of day indicator
Light on，display the time of day.
Light flash，remind you to reset the time of day if electrical service
interrupted 3 days more (If electrical service interrupted within 3 days,
it doesn’t need to reset the time. )
B. Button lock indicator
Light on, indicate the buttons are locked.At this moment, press any
single button will not work (Under any status, no operation in one
minute, will light on and lock the buttons.)
Solution：Press and hold both and for 5 seconds until the
light off.
C. Program mode indicator
Light on，enter program display mode. Use or to view all
values.

MODEL F73（17603）
13
Flash, enter program set mode. Press or to adjust values.
D. Manu/Confirm button
In menu mode, press and light on, then enter program display
mode, viewing all values.
In program display mode, press and light on, then enter
program set mode, adjusting all values.
Press after all program are set, and then the voice “Di” means all
settings are success and return program display mode.
E. Manual/Return button
Press in any status, it can proceed to next step. (For example:
When outlet water is unqualified, after unlock buttons, press to
end service, start a regeneration. During regeneration cycyles, press
to end one cycle and start next cycle.)
Press in program display mode, and it will return in Service; Press
in program set mode, and it will return program display mode.
Press while adjusting the value, then it will return program display
mode directly without saving value.
F.Down▼ and Up▲
In program display mode, press ▲ or ▼ to view all values.
In program set mode, press ▲ or ▼to adjust values.
Press and hold both ▲ and ▼ for 5 seconds to lift the Button Lock
status.

MODEL F73（17603）
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2.2.Basic Setting & Usage
A. Parameter specification
Function
Indicat
or
Factory
Default
Parameter
Set Range
Instruction
Time of
Day
Random
00:00～
23:59
Set the time of day when use；“ : ”
flash.
Control
Mode
A-01
A-01
A-01
Down-flow regeneration,
regeneration immediately when the
available volume of treated water
drops to zero (0).
A-03
Intelligent Down-flow regeneration,
regenerate starts when the available
volume of treated water calculated
according parameters drops to zero
(0).
A-11
Up-flow regenerate immediately
when the available volume of treated
water drops to zero (0).
A-13
Intelligent Up-flow regeneration,
regenerate starts when the available
volume of treated water calculated
according parameters drops to zero
(0).
Interval
Backwash
Times
F-00
F-00
0～20
F-0X means X times no backwash.
Water
Treatment
Capacity
10.00
10.00
0～99.99
Water treatment capacity in one
circle (m3).
Unit Mode
HU-01
HU-01
01, 02, 03
01-m3；02-gal；03-L
Resin
Volume
50L
50L
5－500L
The resin volume in tank (L).
Feed
water
hardness
Yd1.2
1.2
0.1－9.9
Hardness of feed water (mmol/L).
Exchange
Factor
AL.65
0.65
0.30－0.99
Relate to the raw water hardness.
When hardness is higher, the factor
is smaller.

MODEL F73（17603）
15
Fast Rinse
Time
10min.
0～99∶59
Fast rinse time (Minute)
Backwash
Time
10min.
0～99∶59
Backwash time (Minute)
Brine &
Slow
Rinse
Time
60min.
0～99∶59
Brine &Slow rinse time (Minute)
Brine Refill
Time
5min.
0～99∶59
Brine refill time (Minute)
Maximum
Interval
Regenerat
ion Days
H-30
30
0～40
Regenerate on the day even through
the available volume of treated water
do not drop to zero (0).
Output
Control
Mode
b-01
01
01or 02
Mode 01: Signal turn on start of
regeneration and shut off end of
regeneration. (Connection refer to
the Figure P4)
Mode 02: Signal available only
intervals of regeneration cycles and
in service. (Connection refer to the
Figure P4)
B. Process Display

MODEL F73（17603）
16
Notice:
When tank U1 in Service while tank U2 is standby: Figure A/B/C/D
displayed every 5 seconds in cycle.
When tank U1 in Service while tank U2 in Fast Rinse: Figure
E/F/G/H/J displayed every 5 seconds in cycle.
Service tank switching from U1 tank to U2 tank display as Figure I;
Service tank switching from U2 tank to U1 tank display as Figure Q.
When tank U2 in Service while tank U1 in Backwash: Figure L/F/M/H/J
displayed every 5 seconds in cycle.
When tank U2 in service while tank U2 in Brine & Slow Rinse: Figure
N/F/M/H/J displayed every 5 seconds in cycle.
When U2 in Service while tank U2 in Brine Refill: Figure O/F/M/H/J
displayed every 5 seconds in cycle.
When tank U2 in Service while tank U1 is standby: Figure P/B/C/D
displayed every 5 seconds in cycle.
Display screen show “-00-”or“F-00”when motor is switching.
The time of day figure flash continuously, such as “12:12” flash,
indicates long outage of power. It reminds to reset the time of day.
The display will show the error code, such as “-E1-” when the system
is in error.
C. Usage
After being accomplished installation, parameter setting and trail
running by professional, the valve could be put into use. In order to
ensure the quality of outlet water can reach the requirement, the user
should complete the below works:
①Ensure that there is solid salt all the time in the brine tank in the
course of using when this valve is used for softening. The brine tank
should be added the clean water softening salts only, at least 99.5% pure,
forbidding use the small salt and iodized salt.
②Test the outlet water and raw water hardness at regular time.

MODEL F73（17603）
17
When the outlet water hardness is unqualified, please press the and
the valve will temporary regenerate again (It will not affect the original set
operation cycle).
③When the feed water hardness change a lot, you can adjust the
water treatment capacity as follow:
Press and hold both and for 5 seconds to lift the lock status.
Press , and the light on, then press , the digital area show the
control mode (Such as show A-01), then press and the digit area will
show the given water treatment capacity; Press again, and digital
flash set cycle water capacity. Press or continuously, reset the
capacity value (Or water hardness). Press and hear a sound “Di”,
then finish the adjustment. Press exit and turn back the service
status.
The estimates of cycle water treatment capacity can refer to the
professional application instruction. When select A-03 or A-13 as the
control mode, controller will calculate the cycle water treatment capacity
automatically according to the inputting feed water hardness, resin
volume and exchange factor.
The regeneration parameters have been set when control valve left
factory. Generally, it does not need to reset. If you want enquiry and
modify the setting, you can refer to the professional application
specification.