JINYI SR881 Technical manual

Operation Instruction of Solar Pump Station
SR881
For Split Solar Hot Water System
Please read this instruction carefully!

SR881 operation instruction of solar pump station
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Contents
SR881 solar pump station installation and commissioning................................................. 3
1. Solar pump station with integrated controller.................................................................... 3
1.1 Scope of delivery................................................................................................................. 3
1.2 About this manual................................................................................................................ 3
1.3 Safety instructions............................................................................................................... 3
1.4 Station dimensions.............................................................................................................. 4
1.5 Specification of components.............................................................................................. 4
2. Mounting station .................................................................................................................... 5
3. Commissioning of station..................................................................................................... 5
3.1 Flushing and filling the solar system ................................................................................ 6
3.2 Flow check............................................................................................................................ 7
3.3 Electrical connection........................................................................................................... 7
Manual of integrated controller of solar station..................................................................... 8
1. Safety information.............................................................................................................. 8
1.1 Installation and commissioning......................................................................................... 8
1.2 About this manual................................................................................................................ 8
1.3 Liability waiver...................................................................................................................... 8
1.4 Important information.......................................................................................................... 9
1.5 Signal description................................................................................................................ 9
1.6 Button and HMI description ............................................................................................... 9
2 Overview................................................................................................................................ 10
2.1 Technical data.................................................................................................................... 10
3. Installation............................................................................................................................. 11
3.1 Terminal connection.......................................................................................................... 11
4. System description (Standard solar system with 1 tank, 1 collector field).................. 12
5. Time setup............................................................................................................................ 13
6. Function’s parameters and options................................................................................... 14
6.1 Overview of menu structure............................................................................................. 14
6.2 Menu operation description ............................................................................................. 14
6.3 Value checking and function checking........................................................................... 15
7. Functions operation and parameters setting (for user).................................................. 15
7.1 Timing heating.................................................................................................................... 15

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7.2 CIRC DHW circulation pump controlled by temperature and time ............................ 18
8. Function operation and parameter setup (engineer)...................................................... 23
8.1 PWD Password.................................................................................................................. 23
8.2 LOAD tank heating............................................................................................................ 23
8.3 COL Collector function...................................................................................................... 25
8.4 COOL Cooling function..................................................................................................... 29
8.5 AUX Auxiliary function....................................................................................................... 32
8.6 MAN Manual operation..................................................................................................... 36
8.7 BLPR Blocking protection................................................................................................ 37
8.8 OTDI Thermal Sterilization Function.............................................................................. 38
8.9 FS Flow rate monitoring and pump dry-running protection......................................... 39
8.10 UNIT C-F Switch ............................................................................................................. 41
8.11 RET Reset........................................................................................................................ 41
8.12 PASS Password set........................................................................................................ 42
8.13 Manual heating................................................................................................................ 43
8.14 ECO Economic mode..................................................................................................... 43
8.15 DHW circuit pump triggered manually......................................................................... 43
8.16 On/Off controller.............................................................................................................. 44
8.17 Holiday function............................................................................................................... 44
8.18 Manual circuit function.................................................................................................... 44
9. Protection function............................................................................................................... 45
9.1 Memory function during power failure............................................................................ 45
9.2 Screen protection.............................................................................................................. 45
10 Trouble checking ................................................................................................................ 45
11. Quality Guarantee ............................................................................................................. 46
12. Accessories........................................................................................................................ 46

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SR881 solar pump station installation and commissioning
1. Solar pump station with integrated controller
Integrated solar controller SR881
Outstanding design
Assembly with safety valve and manometer
High-Quality casing for reduce heat loses
Flow rate check
Filling and flushing connection unit
1.1 Scope of delivery
1* solar pump station
1* integrated solar controller
1* collector sensor PT1000
2* store sensor NTC10K
1* wall mounting bracket
1* accessory bag（include 2 * screw and dowel ;
2 * strain relief）
1*10A power cable
1* manual
1.2 About this manual
This solar pump station is a preinstalled and leak-tested group of fitting for transferring heat
from the collector to the store. It contains important fittings and safety devices for the
operation of the solar thermal system:
Ball valves in flow and return in combination with check valves to prevent gravity
circulation.
Flow rate check for displaying the flow rate
Manometer for displaying the system pressure
Safety valve to prevent inadmissible overpressure
Flushing and filling unit for flushing, filling and emptying the solar thermal system.
1.3 Safety instructions
The installation and commissioning of the solar station as well as the connection of
electrical components requires technical knowledge commensurate with a recognized
vocational qualification as a fitter for plumbing, heating and air conditioning technology, or a
profession requiring a comparable level of knowledge. The following must be observed

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during installation and commissioning:
The relevant regional and national regulations.
The technical and safety instructions mentioned in this manual.
Warning: risk of scalding
There is danger of steam emission with safety valves. Therefore a discharge pipe must
be connected to the safety assembly, please observe the enclosed instructions
regarding the safety valve when doing this.
The group of fittings must be installed with sufficient spacing to the collectors because
temperatures in the vicinity of the collectors can be very high. An intermediate vessel
may be necessary for installation in the attic.
It is imperative that you make sure the EPDM sealing elements of the solar pump
station do not come into contact with substances containing mineral oil. Mineral oil
products cause lasting damage to the material, whereby its sealant properties are lost.
If necessary, ask the manufacturer whether the solar fluid, fats or installation aids
contain mineral oils.
We don’t assume liability nor provide warranty for damage to solar station resulting
from sealants damaged in this way.
1.4 Station dimensions
Height ( with insulation)：420mm
Width (with insulation)：215mm
Depth (with insulation)：150mm
Distance centre to floor：1600mm
1.5 Specification of components
1.5.1 Return outlet connection (to collector): 3/4 IT
1.5.2 Safety valve: 6bar
1.5.3 Filling connection 3/4 male thread
1.5.4 Connection of expansion vessel 3/4 male thread
1.5.5 Manometer: 0-6bar
1.5.6 Non-return valve: opening pressure 200mmH2O
1.5.7 Circuit pump: Wilo 15-6 or Grundfos 15-65
1.5.8 Filling connection 3/4 male thread
1.5.9 Digital flow meter 1-16L/min (alternative mechanical flow counter2-12L/min)
1.5.10 Flow outlet connection (from tank):3/4’ IT

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1.5.11 Wire terminal of controller
1.5.12 EPP insulation case
Material:
Fitting: Brass
Seals: PTFE
Insulation: EPP, λ= 0.041W/ (m.K)
Maximum permitted operation pressure: 6Bar
Maximum permitted operation temperature:120oC
2. Mounting station
Determine the mounting site of the station.
Take the station out of packing; remove the front
half of the insulation.
Hold the enclosed wall mounting bracket against
the wall and mark the fastening holes, drill holes and insert dowels.
Fasten the wall mounting bracket to the wall with the screws.
Push the station against the wall mounting bracket, the station catches and is then
attached to the wall.
Connect the station to the solar thermal system.
Check the inlet pressure of the expansion vessel and if necessary, adjust it to the local
conditions, Pinlet(bar) = 1bar+∆ Th(m)*1/10 （∆Th=height difference between collector
and station）.
Connect the electrical components of the solar station, Attach the store and collector
sensor and connect them to the controller, plug the controller into the socket.
Tighten all nuts and screw connections.
Attach the front half of the insulation to the station.
3. Commissioning of station
Attention: Risk of scalding!
In order to prevent the boiling of solar fluid in the collectors, the system should not be
flushed or filled during periods of strong sunshine.
Attention: Risk of frost!
Solar thermal system cannot be completely emptied after flushing. There is a danger of frost
damage if water is used for flushing. Only use solar fluid to flush and fill the solar thermal
system. Use water –propylene glycol mixture as solar fluid (Maximum 50% propylene

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glycol).
3.1 Flushing and filling the solar system
Flushing and filling steps:
Disconnect the expansion vessel from the solar thermal system.
Connect the pressure hose of a flushing and filling station to the fill ball valve A of the
solar pump station
Connect the flushing hose of a flushing and filling station to the drain ball valve B of the
solar pump station
Open the filling ball valve and drain ball valve
Flush the solar thermal system using the flushing and filling station for at least
15minutes to remove all air from the system.
During the flushing, bleed the solar thermal system several times at the air stopper until
the discharged solar fluid is free of air bubbles.
Close the drain ball valve of the flushing and filling station, and continues run the filling
pump and increase the system pressure to approx.3-4 bar, system pressure can be
read from the manometer.
Close the flushing ball valve B of the solar pump station, and then close the filling valve
A，and then stop the flushing and filling station.
Check the manometer to see whether the system pressure reduces and eliminate leaks
where necessary.
Reconnect the expansion vessel to the solar thermal system.

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3.2 Flow check
The flow counter is used for measurement and display of flow rate, in order to guarantee the
flawless function of the measuring device the system must be flushed and free from foreign
substances.
Digital flow meter（1-16L/min）Fissol mechanical flow meter（2-12L/min）
3.3 Electrical connection
Warning: disconnect the controller from power supply before opening the housing!
The controller is already integrated in the station and ready to plug in, display and digital
counter are already preinstalled at factory. For maintenance or service work, it needs to take
out the controller from station, doing follows below steps:
Switch off the system, disconnect plug from
the mains.
Remove the front half of the insulation.
Unscrew the cross-recessed screw on the
front cover of controller A and remove cover B
by pulling it leftwards
Doing reverse steps to remount the controller.
For further information on electrical connection of the controller, please see manual of
controller (terminal layout).
A
B
Flow rate adjust valve
Value of flow rate

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Manual of integrated controller of solar station
1. Safety information
1.1 Installation and commissioning
When laying wires, please ensure that no damage occurs to any of the constructional
fire safety measures presented in the building.
The controller must not be installed in rooms where easily inflammable gas mixtures
are present or may occur.
The permissible environmental conditions can’t be exceeded at the site of installation.
Before connecting the device, make sure that the energy supply matches the
specifications that controller requires.
All devices connected to the controller must conform to the technical specifications of
the controller.
All operations on an open controller are only to be conducted cleared from the power
supply. All safety regulations for working on the power supply are valid.
Connecting and /or all operations that require opening the collector (e.g. changing the
fuse) are only conducted by specialists.
1.2 About this manual
This manual describes the mounting, functions and operation of a solar controller used for a
solar hot water system, for mounting of other devices of a completed solar hot water system
like solar collector, pump station and storage, please is sure to observe the appropriate
installation instructions provided by each manufacturer. Mounting, wire connecting,
commissioning and maintenance of this controller may only be performed by the trained
professional person; the professional person should be familiar with this manual and follow
the instructions contained herein.
1.3 Liability waiver
The manufacturer can’t monitor the compliance with these instructions or the circumstances
and methods used for installation, operation, utilization and maintenance of this controller.
Improper installation can cause damages to material and person. This is the reason why we
do not take over responsibility and liability for losses, damages or cost that might arise due
to the improper installation, operation or wrong utilization and maintenance or that occurs in
some connection with the aforementioned. Moreover we do not take over liability for patent
infringements or infringements –occurring in connection with the use of this controller on the
third parties rights. The manufacturer preserves the right to put changes to product,
technical data or installation and operation instructions without prior notice. As soon as it

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becomes evident that safe operation is no longer possible (e.g. visible damage). Please
immediate take the device out of operation. Note: ensure that the device can’t be
accidentally placed into operation.
1.4 Important information
We have carefully checked the text and pictures of this manual and provided the best of our
knowledge and ideas, however inevitable errors maybe exist. Please note that we cannot
guarantee that this manual is given in the integrity of image and text, incorrect, incomplete
and erroneous information and the resulting damage we do not take responsibility.
1.5 Signal description
Safety indication: Safety instructions in the text are marked with a warning triangle.
They indicate measures which can lead to injury of person or safety risks.
Operation steps: small triangle “►”is used to indicate operation step.
Note：contains important information about operation or functions.
1.6 Button and HMI description