JY JY817 User manual

JY817
WHOLE-HOUSE WATER PURIFIER
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JY817 Install and maintain instruction
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IController display and operation
pic1：Control panel
The operation button：
：Manual switch； ：Parameter setting； ：Mode switch；
：Move to the next digit; ：Plus 1
A、Unlock：Press “ ”&“ ” buttons at the same time，The key is unlocked,Displaying” ” disappear
B、Lock：Automatic lock after 3 minutes without any operation.
C、“ ” Mode switch：Unlock state, the operation button in time mode “ ” and meter Mode
“ ”display to switch between.
D、“ ”Manual switch：Unlock state, when pushing the button the valve(below )switch to next
station.As shown in the figure, the Sand Run (sand filter valve) enters the Sand B.wash →Sand
Wash. Press the " " button," "move to the Carbon Run, Press the " " ,switch the carbon filter
valve to enter the Carbon B.wash and Carbon B.wash . Cycle in turn.
E、“ ”Parameter setting：Unlock state, press the button and the screen will show the interface of
setting parameters.
(2) Service display:
A, Clock: 14:50:21: Delay backwash function must be set.
B, Pure water TDS: 0000 PPM Shows the salt content of pure water, unit PPM(the mass
concentration of total salt content of pure water per million)
C,Raw water: 0000.0T Measured by the water inlet flow meter, including all the softening water
flowing out of purifier,B.wash and wash drainage, subsequent RO membrane purified water and RO
drainage. Inlet flow meter symbol“ ”rotates when water flows through it.
D,Pure water: 0000.0T Total production of pure water, the unit is tons, by the inlet flow meter and
RO drainage flow meter measurement, by the program calculation and display. drainage flow meter
symbol“ ”rotates when water flows through it.
E, Inlet : 00.00t/h Flow rate of inlet water.
F. Drainage:00.00t/h ,RO drainage flow rate,it is adjusted by the drainage valve.
G,Sand: 00.000T; Carbon: 00.000T; Soft: 00.000T Respectively display the sand filter valve, carbon
filter valve, softening valve current station parameters, decline state, to "0" automatic to shift next
station.

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H. Sand Run, Carbon Run and Soft Run Respectively show that the sand filter valve, carbon filter
valve and softening valve are in the "Run" state. If one of these position is blank, it indicates that the
position is missing one valve, or the connection of the valve is fault.
(3) Red band display
Pic2：Red band display
The red band at the top of the screen shows the working state of the purifier at intervals, such as
"pure water tank is full, high pressure pump stop", "low water pressure, high pressure pump stop.”
(4) parameter setting
Pic3：Red band display
Parameter setting description:
The program default parameter is suitable
for raw water hardness 8mmol/L, suitable
for most occasions, generally do not need
to modify.
In order to ensure constant water use, the
default setting is "delay backwash". 03:00
is the time when water is least commonly
used. When any of the sand filter, carbon
filter and softening valves, the "Run"
parameter decreases to "0", wait until 3am
to switch to backwash.
Parameters of sand filter, carbon filter and
softening valves are in the form of lists.
Parameters of all stations are water
quantity(Liter), and the value unit of the
"Run" row is ton. B.wash,Wash and Run
of the soften valve row correspond to
Regen(salt absorption →Slow wash),
Wash (Wash + water refill) and Soft
respectively. For details about the rules for
setting parameters of the softening valve,
see GR-2 manual.

JY817 Install and maintain instruction
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II Schematic diagram of operating principle
Pic4：Schematic diagram of operation principle
III. Debugging
(1) Shut down the high pressure pump (Figure 5, high pressure pump switch)
(2) Water is injected into the sand filter tank and then B.wash→Wash →Run
Unlock, press " " move“ ”to "Sand Run", press " " to" Sand B.wash ", observe that there is
water out of the total drainage outlet until the drainage water is clean, press " " to"Sand Wash "until
the drainage water is clean, press" "Sand Run ", enter the next step.
(3) Water is injected into the carbon filter tank and then B.wash→Wash →Run
Press " " to move“ ”to "Carbon Run" of carbon valve, press " " to" Carbon B.wash ", observe
that there is water out of the total drainage outlet until the water is clean, press " " to"Carbon
Wash"until the drainage water is clean, press" "to" Carbon Run", enter the next step.
(4) Softening tank regeneration (slow wash) → Wash (wash+refill) → then execute a cycle of
regeneration, cleaning to softening.
Press " " to move“ ”to "Soft Run",press " " to "Soft Regen" until water flows out of the
drainage outlet. Press " " to"Soft wash", at this time observe the salt tank refilling, the program
automatically runs to "Soft Run", observe whether the filling water is normal. It automatically goes to
the next step.
(5) To inject water to Precision filter and exhaust

JY817 Install and maintain instruction
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After all the valve are in "Run", the precision filter starts to inject water. Press the "precision filter
exhaust valve (negative pressure valve)" (FIG. 8) to finish the exhaust. When the water flows out, the
next step, pure water preparation, can be conducted.
(6) Start high pressure pump (Figure 5, high pressure pump switch) to prepare for pure water.
During the preparation of pure water, observe the operation and sound of high pressure pump,
pressure switch of pure water tank, and whether the check valve of pure water tank works normally.
(7) Debug the water quality and adjust the drainage flow rate.
Rotate the RO drainage valve, observe the reading of RO Drainage 00.00t/h, observe the TDS value
of pure water, and adjust to the satisfactory value of pure water and drainage flow rate.
Pic5：Water purifier peripheral operating components
Note: Factory setting: the pure water tank high pressure switch is set to 0.5MPa, and the pure water volume is
about 4 liters. The factory setting of the low-pressure switch is 0.01MPa.
IV. Installation
Installation precautions:
1. The inlet pipe and the outlet pipe of softened water should not be smaller than the corresponding
specifications, otherwise the peak water flow of softened water will be affected.
2. The drainage main pipe of the water purifier shall be reliably connected to the indoor drainage pipe,
and the floor drain shall be set around it.
3. Water inlet temperature ranges from 0°C to 45° to avoid humid environment.

JY817 Install and maintain instruction
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Pic6: Installation dimensions of water purifier

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V Pure water component and disassembly
Pic7：Front cover disassembly
Pic8：Pure water component and RO membrane disassembly
VI Assembly and disassembly of pretreatment unit

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Pic9：Assembly and disassembly of pretreatment unit
VII Control electrical connection diagram
Pic10:Control electrical connection diagram
VIII Soft water flow rate pressure curve

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Pic11:Soft water flow rate pressure curve