Shuang Ri Electron SR288 Operation Manual
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Shuang Ri Electron SR288 Operation Manual

Intelligent controller for split pressurized solar hot water system
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Operation Manual of the Intelligent
Controller SR288
for Split Pressurized Solar Hot Water System
Please read the instruction carefully before operation!

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Summary of Contents for Shuang Ri Electron SR288

  • Page 1 Operation Manual of the Intelligent Controller SR288 for Split Pressurized Solar Hot Water System Please read the instruction carefully before operation!

  • Page 2: Table Of Contents

    Manual of SR288 intelligent controller Contents 1. Safety information ....................3 1.1 Installation and commissioning ................3 1.2 About this manual ....................3 1.3 Liability waiver ......................3 1.4 Important information ....................4 1.5 Signal description ....................4 1.6 Button and HMI description ..................4 2.
  • Page 3 Manual of SR288 intelligent controller 7.6 AUX Auxiliary function ..................37 7.7 MAN Manual operation ..................41 7.8 BLPR Blocking protection ..................42 7.9 OTDI Thermal Disinfection function ..............42 7.10 OPAR Parallel relay .................... 44 7.11 OHQM Thermal quantity measurement ............... 45 7.12 FS Flow meter selection and flow rate monitoring ..........

  • Page 4: Safety Information

    Manual of SR288 intelligent controller 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.

  • Page 5: Important Information

    Manual of SR288 intelligent controller 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.

  • Page 6: Overview

    Manual of SR288 intelligent controller Status description Code Lighting Blinking Exceed the maximum temperature of storage Running of storage emergency shutdown function Running of collector emergency shutdown function Collector Cooling OCCO Tank Cooling OSTC System Cooling OSYC Start of anti-freezing function...

  • Page 7: Delivery List

    Manual of SR288 intelligent controller  Operation: 6 push buttons at the front cover  Protection type: IP41  Ambient temperature: 0 ... 40 ° C  Dimensions: 187*128*46mm Note: there are 5 inputs for NTC10K, B=3950 temperature sensor, but only 4 sensors are included in standard delivery list, the other one should be purchased separately by customer if necessary.

  • Page 8: Wiring Connection

    Manual of SR288 intelligent controller 3.2 Wiring connection According to the way of installation, wire can be connected from hole A on the bottom plate or from hole B, using a suitable tool (like knife) to cut the plastic of A.
  • Page 9 Manual of SR288 intelligent controller  Advice regarding the installation of temperature sensors:  Only original factory equipped Pt1000 temperature sensors are approved for using with the controller, it is equipped with 1.5m silicon cable and suitable for all weather...

  • Page 10: R3 Ports For 3-Ways Valve / Pump Connection

    Manual of SR288 intelligent controller 3.4 R3 ports for 3-ways valve / pump connection 3 wires T-valve 2 wires T-valve Pump connection When R3 is for controlling 3 ways electromagnetic valve,（3 is normally open port, 2 is normally close port ,1 is common port）...

  • Page 11: System Description (Standard Solar System With 1 Tank, 1 Collector Field)

    Manual of SR288 intelligent controller Signal wire 1 from the high-efficiency pump is connected to GND port of controller Signal wire 2 from the high-efficiency pump is connected to PWM1 port of controller Signal wire 3 from the high-efficiency pump is not connected to the controller Some pumps connections are available as above, for example: Wilo Yonos PARA ST15/7.0 PWM2 M...
  • Page 12 Manual of SR288 intelligent controller Sensor Description Relay Description Temperature of collector Pt1000 Solar circulation pump Temperature of tank base NTC10K Available selectable functions: 1.HEAT (Heat exchange between tanks) Temperature of tank upper 2.OHDP（Thermal transfer,R2 or R3 ( selectable) NTC10K selectable）...

  • Page 13: Function's Parameters And Options

    Manual of SR288 intelligent controller 5. Function’s parameters and options 5.1 Overview of menu structure 5.2 Menu operation description  Access main menu ►Press “SET” button to access main menu ►Press “▲/▼” to select menu ►Press “SET” button to enter the submenu ...

  • Page 14: Value Checking

    Manual of SR288 intelligent controller ON/OFF) ►Press “▲/▼” to adjust value ►Press “SET” to confirm the value you set Note: Enter the menu adjustment interface, if you don’t press any button in 3 minutes, screen will exit the adjustment and return to the main interface.

  • Page 15: Functions Operation And Parameters Setting (For User)

    Manual of SR288 intelligent controller 6. Functions operation and parameters setting (for user) 6.1 CLK Time setup Menu structure ► Press “SET” button, select CLK menu ► Press “SET” button, hour “00” blinks on the display. ► Press “▲/▼” button to adjust hour ►...
  • Page 16 Manual of SR288 intelligent controller Every day three timing heating can be set, and the switch-on temperature adjustable range is C) ～95 0℃～(OFF-2 C), switch-off temperature adjustable range is (ON+2 Wire connection to boiler on/off signal. Boiler on/off signal （according to customer wish）...
  • Page 17 Manual of SR288 intelligent controller Main Factory Adjustable Step per Submenu Description menu range adjust Timing heating THET Select desired sensor for timing heating function S2. S3 (S3 for T3, S2 for T2) Switch-on temperature of 40℃ 0.5℃ timing heating Switch-off temperature of 45℃...

  • Page 18: Circ Dhw Circulation Pump Controlled By Temperature Or By Time

    Manual of SR288 intelligent controller screen ► Press “SET” button, hour time “04” blinks ► Press “▲/▼” button to adjust hour of the switch-on time ► Press “SET” button, minute time “00” blinks ► Press “▲/▼” button to adjust minute of the switch-on time ►...
  • Page 19 Manual of SR288 intelligent controller (adjustable range 1-30 minutes) and then ceases for 15 minutes (adjustable range 0-60 minutes), same process repeated within the preset time section. Note: if the ceased time (CYCF) is set to 0 minute, it means within this time section, circuit pump keeps running without any stop.
  • Page 20 Manual of SR288 intelligent controller 3. Both control Modes and temperature control mode, the parameter set steps are same. Menu structure: Main Submen Submen Factory Adjustabl Step per Description menu e range adjust CIRC DHW circuit function TCYC ON/OFF Activate / deactivate the...
  • Page 21 Manual of SR288 intelligent controller 13:00 00:00-23:5 t C2F Switch-off time and temperature for the second time section t C3O 17:00 00:00-23:5 Switch-on time and temperature for the third time section t C3F 22:00 00:00-23:5 Switch-off time and temperature for the third...
  • Page 22 Manual of SR288 intelligent controller DHW circuit ( if select time control Mode, then “ CYCO 03Min” displays, here take temperature mode as example) ► Press “SET”, “40 C” blinks ►Press “▲/▼” button to adjust the switch-on temperature (adjustable range 0 (OFF-2 ►...

  • Page 23: Function Operation And Parameter Setup (For Engineer)

    Manual of SR288 intelligent controller 7. Function operation and parameter setup (engineer) 7.1PWD Password Menu structure Access main menu, select “PWD 0000” to enter password ► Press “SET” button, the left digital blinks, enter password, factory set is “0000” ►Press “▲/▼”, to enter the first digital ►Press “SET”, the second digital blinks...
  • Page 24 Manual of SR288 intelligent controller  Speed control If the temperature reaches or exceeds the switch-on temperature difference, the pump switches on at 100% speed for 10s. Then, the speed is reduced to the minimum pump speed value. If the temperature difference reaches the preset temperature difference, the pump speed increases by one step (10%).
  • Page 25 Manual of SR288 intelligent controller Main Submenu Factory Adjustable Step Description menu range adjust LOAD Tank heating 1-50K 0.5K Switch-on temperature difference of tank heating 0.5-49.5K 0.5K Switch-off temperature difference of tank heating 1.5-50K 0.5K Temperature difference of pump speed control...

  • Page 26: Col Collector Function

    Manual of SR288 intelligent controller ► Press “SET” or “ESC” to save the setting ► Press “▲”, “SMX 70 C” displays on the screen ► Press “SET”, “70 C” blinks ► Press “▲/▼”, to adjust the maximum temperature of tank ►...
  • Page 27 Manual of SR288 intelligent controller temperature, but only up to 95° C (emergency shutdown of the tank), and sign blinks on the screen, system stops. If the collector cooling is active, blinks on the screen. This function is only available when the system cooling function (OSYC) and the heat transfer function (OHDP) are not activated.
  • Page 28 Manual of SR288 intelligent controller Menu structure Main Submenu Submenu Factory Adjustable Step Description menu range adjust Collector function OCEM Collector emergency shutdown function on/ff Temperature of 130℃ 80-200℃ 1℃ collector emergency shutdown(hysteresis 10K) OCCO Collector cooling function on/off CMAX Temperature of 110℃...
  • Page 29 Manual of SR288 intelligent controller CFRF Switch-off temperature 5℃ -39-9℃ 0.5℃ of anti-freeze function OTCO Tube collector function TCST 07:00 00:00-23:00 1min Start time of tube collector function TCEN 19:00 00:00-23:00 1min Stop time of tube collector function TCRU 30-300s...
  • Page 30 Manual of SR288 intelligent controller ►Press “ESC” to return to previous menu OCMI (Collector minimum temperature) setup ►Press “▲”, “OCMI” displays on the screen ►Press “SET”, “OCMI OFF” displays on the screen ►Press “SET”, “OFF” blinks on the screen ►Press “▲/▼”, to activate this function, “OCMI ON” displays on the screen ►Press “▲”, “OCMI 10...

  • Page 31: Pump Pump Control Mode

    Manual of SR288 intelligent controller ►Press “SET”, “00” blinks on the screen ►Press “▲/▼”, to adjust minute ►Press “SET” or “ESC” to save the setting ►Press “▲”, “TCEN 19:00” displays on the screen ►Press “SET”, “19” blinks ►Press “▲/▼” to adjust hour ►Press “SET”, “00”...
  • Page 32 Manual of SR288 intelligent controller • PHEA: PWM profile heating pump • 0-10: Speed control via 0 - 10 V signal Note: 1. More information about connection of high efficiency pump see the paragraph (3.5 Connection with high efficiency pump) 2.
  • Page 33 Manual of SR288 intelligent controller Main Submenu Submenu Submenu Factory Adjustable Step Description menu range adjus PUMP Pump control mode PMP1(2.) Selection pump R1 (R2.) ONOF ON/OFF Pump on/off (for pump without speed adjustment function) PULS ON/OFF Pulse control (Burst control...

  • Page 34: Cool Cooling Function

    Manual of SR288 intelligent controller Note: 1. PMP2 setting process is same like PMP1 2. Only 1 type can be selected from 5 types ONOF、PLUS、PSOL、PHEA、0-10V Example: when “PLUS ON” open option is selected, then other four types are closed automatically.
  • Page 35 Manual of SR288 intelligent controller Hysteresis switch on temperature difference is 5K.  OHDP Heat transferring by external radiator Heat transferring by external radiator function is designed to transfer the excess heat which is generated under the strong solar irradiation through an external heat exchanger (e. g. fan coil);...
  • Page 36 Manual of SR288 intelligent controller Menu structure Main Submenu Submenu Factory Adjustable Step Description menu range adjust COOL Cooling function OSYC ON/OFF System cooling function OSTC ON/OFF Tank cooling function DTCO 1-30K 0.5K Switch-on temperature difference of cooling function DTCF 0.5-29.5K...
  • Page 37 Manual of SR288 intelligent controller ►Select “COOL” menu ►Press “SET”, “OSYC OFF” displays on the screen ►Press “SET”, “OFF” blinks on the screen ►Press “▲/▼”, to activate this function ►Press “SET” or “ESC” to save the setting OSTC (Tank cooling function) setting ►Press “▲”...

  • Page 38: Aux Auxiliary Function

    Manual of SR288 intelligent controller ►Press “▲/▼”, to select the output port for heat transferring ►Press “SET” or “ESC” to save the setting ►Press “ESC” to return to previous menu 7.6 AUX Auxiliary function Function description: Auxiliary functions can be set under “AUX” menu; controller can activate several auxiliary functions simultaneously.
  • Page 39 Manual of SR288 intelligent controller 3. Temperature of object tank is lower than its preset maximum temperature. When the preset temperature difference is exceeded, pump speed control starts. For every increase or decrease by the rise value, the pump speed will be adjusted by 10 %.
  • Page 40 Manual of SR288 intelligent controller DTHO 1-50K 0.5K Switch-on temperature difference of heat transferring between tank DTHF 0.5-49.5K 0.5K Switch-off temperature difference of heat transferring between tank DTHS 1.5-50K 0.5K Pump speed control- temperature difference between tanks RISH 1-20K Pump speed control- rise...
  • Page 41 Manual of SR288 intelligent controller ►Press “▲”, “RISF 2K” displays on the screen ►Press “SET”, “2K” blinks ►Press “▲/▼”, to adjust the rise range ►Press “SET” or “ESC” to save the setting ►Press “▲”, “MXSS 60 C” displays on the screen ►Press “SET”, “60...

  • Page 42: Man Manual Operation

    Manual of SR288 intelligent controller ►Press “▲”, “MXHO 70 C” displays on the screen ►Press “SET”, “70 C” blinks ►Press “▲/▼”, to adjust the maximum temperature of heated tank ►Press “SET” or “ESC” to save the setting ►Press “▲”, “MNHO 60 C”...

  • Page 43: Blpr Blocking Protection

    Manual of SR288 intelligent controller ON/OFF R3 on and off ON/OFF HR on and off Function setup ►Press “▲”, “R1” displays on the screen ►Press “SET”, “R1 OFF” displays ►Press “SET”, “OFF” blinks ►Press “▲/▼”, to activate this function, “R1 ON” displays ►Press “SET”...
  • Page 44 Manual of SR288 intelligent controller continuously exceeded the disinfection temperature TDIS for the entire disinfection period DDIS. Thermal disinfection can only be completed when the disinfection temperature is exceeded for the duration of the disinfection period without any interruption. The monitoring period PDIS starts as soon as the temperature at the allocated sensor falls...

  • Page 45: Opar Parallel Relay

    Manual of SR288 intelligent controller ►Press “SET” or “ESC” to save the setting ►Press “▲”, “DDIS 10Min” displays on the screen ►Press “SET”, “10” blinks ►Press “▲/▼”, to adjust the heating time of disinfection ►Press “SET” or “ESC” to save the setting ►Press “▲”, “TDIS 70...

  • Page 46: Ohqm Thermal Quantity Measurement

    Manual of SR288 intelligent controller ►Press “▲/▼” to activate this function, “INVE ON” displays ►Press “SET” or “ESC” to save the setting 7.11 OHQM Thermal quantity measurement The thermal quantity measurement can be carried out in 3 different ways:  Fixed flow rate ( use flow meter with glass window) ...
  • Page 47 Manual of SR288 intelligent controller controller. If select Grundfos sensor VFS to calculate heat quantity, firstly you should activate VFS function under menu FS/GFDS (VFS ON), and select measurement range, default value is 1-12L/min. Under FTYP menu to set the flow rate type to 2 (VFS)
  • Page 48 Manual of SR288 intelligent controller FTYP Flow meter selection Flow meter with fixed flow value Grundfos flow meter (VFS) Rotary vane flow meter (FRT) FMAX 6L/min 0.5-100L/ Flow rate enter MEDT Medium type 0: water 1: Propylene glycol 2: Ethylene glycol 3: Tyfocol LS/G-LS;...

  • Page 49: Fs Flow Meter Selection And Flow Rate Monitoring

    Manual of SR288 intelligent controller ►Press “SET” or “ESC” to save the setting 7.12 FS Flow meter selection and flow rate monitoring Under this menu, it is possible to set the flow meter (VFS, FRT) on or off and set its measuring range.
  • Page 50 Manual of SR288 intelligent controller 1-12 Measuring range Groudfos flow meter(1-12 L/min) 2-40 Measuring range Groudfos flow meter (2-40 L/min) Rotary vane flow meter FLOW ON/OFF flow warning DELY 1-600s Checking time of non flow warning Function setting ►Select FS menu ►Press “SET”, “GFDS”...

  • Page 51: Unit C-F Switch

    Manual of SR288 intelligent controller ►Press “▲/▼”, to activate this function, “FRT ON” displays ►Press “SET” or “ESC” to save the setting ►Press “▲”, “FLOW OFF” displays, repeat above steps. 7.13 UNIT C-F Switch Under this menu, below unit can be set:...

  • Page 52: Pass Password Setup

    Manual of SR288 intelligent controller setting CHQM (accumulated thermal quantity): accumulated thermal quantity can be reset to 0 CPT (accumulated running time of pump): accumulated solar pump running time (R1 time/R2 time) can be reset to 0. Menu structure Function setting ►Select RST menu...

  • Page 53: Manual Heating

    Manual of SR288 intelligent controller ►Press “▲/▼”, to enter the correct digital, repeats same process to enter the second, the third and the forth digital. ►Press “SET” button, “PWDG 0000” displays on the screen, to enter the new password again, after confirm the new password, “ OK” displays on the screen, it indicates the new password setting successfully.

  • Page 54: Protection Function

    Manual of SR288 intelligent controller reduce the thermal load. 2 cooling functions are available: tank cooling (OSTC) and tank heat transfer (OHDP). Note: Controller is designed to run tank heat transfer (OHDP) function priority, when tank heat transfer (OHDP) function is deactivated, then tank cooling function (OHTC) runs automatically in turn.

  • Page 55: Quality Guarantee

    Manual of SR288 intelligent controller On the screen, sensor sign and warning sign blinks Sensor failure, press “ ▲/▼” button, an error code instead of temperature displays on the corresponding sensor place ---- -88.8 Wire is broken, Wire is shorten,...

  • Page 56: Accessories

    Manual of SR288 intelligent controller 10. Accessories Products name Specification Products picture PT1000, Ф6*50mm A01: High accurate Pt1000 sensor for collector NTC10K, B=3950, Ф6*50mm A02: High accurate sensor for tank and pipe 304 stainless steel with thread 1/2’ OT, A05: Size: Ф8*200...
  • Page 57 Manual of SR288 intelligent controller SR802 Dimension:100mm*100mm*65mm Unit for high power Power supply: AC180V 264V, electrical heater 50/60Hz Suitable power: ≤ 4000W Available ambient temperature: -10 ~ Waterproof grade: IP43  SR802 connection diagram Note: Switch-off power, and perform by profession installer.

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