Shuangri SR258 Operation Manual
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Shuangri SR258 Operation Manual

Intelligent controller for split pressurized solar hot water system
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Operation Manual of the Intelligent
Controller SR258
for Split Pressurized Solar Hot Water System
Please read the instruction carefully before operation!

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Summary of Contents for Shuangri SR258

  • Page 1 · Operation Manual of the Intelligent Controller SR258 for Split Pressurized Solar Hot Water System Please read the instruction carefully before operation!

  • Page 2: Table Of Contents

    Manual of SR258 intelligent controller Contents 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 SR258 intelligent controller 7.5 COOL Cooling function ..................34 7.6 AUX Auxiliary function................... 38 7.7 MAN Manual operation ..................42 7.8 BLPR Blocking protection ..................43 7.9 OTDI Thermal Disinfection function ..............43 7.10 FS Flow rate monitoring and pump dry running protection ........45 7.11 UNIT C-F Switch ....................

  • Page 4: Safety Information

    Manual of SR258 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 meas ures 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 SR258 intelligent controller evident that safe operation is no longer possible (e.g. visible damage). Please immediat e 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 SR258 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 SR258 intelligent controller are included in standard delivery list, the other two should be purc hased separately by customer if necessary. 2.2 Delivery list SR258 1500W version SR258 3000W version Delivery list Delivery list   1 * SR258 controller 1 * SR258 controller ...

  • Page 8: Wiring Connection

    Manual of SR258 intelligent controller  Put the cover on the housing. Attach with the fastening screw. 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: Electrical Heating 3000W Version Terminal Ports And Wring

    Manual of SR258 intelligent controller  Output ports  FU1：2A/250V fuse  10A power supply Ports L, N: for power connection, L: live wire, N: zero wire, protective wire  Output R1: Semiconductor relays (SCR), designed for pump speed cont rol, Max.
  • Page 10 Manual of SR258 intelligent controller protective wire  Output R1: Semiconductor relays (SCR), designed for pump speed cont rol, Max. Current: 1A  Output R2: Electromagnetic relays, designed for on/off control of pump or 3 -ways electromagnetic valve, Max. Current: 1A ...

  • Page 11: Connection With High Efficiency Pump

    Manual of SR258 intelligent controller 3.4 Connection with high efficiency pump Connecting the signal wire from the high-efficiency pump 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 PWM port of controller...

  • Page 12: System Description (Standard Solar System With 1 Tank, 1 Collector Field)

    Manual of SR258 intelligent controller 4. System description (Standard solar system with 1 tank, 1 collector field) Description: The controller calculates the temperature difference between collector sensor T1 and tank sensor T2. If the differenc e is larger than or identical to the adjusted...

  • Page 13: Function's Parameters And Options

    Manual of SR258 intelligent controller deactivated automatically. 2. After CIRC function is activated, if OHDP function is activated also and R2 output is selected for it, and then CIRC will be deactivated automatically. 5. Function’ s parameters and options 5.1 Overview of menu structure 5.2 Menu operation description...

  • Page 14: Value Checking

    Manual of SR258 intelligent controller ►Press “▲/▼” to select menu ►Press “SET” button to enter the submenu  Access submenu ►After selecting main menu, then press “SET” button to access submenu ►Press “▲/▼” button to select submenu, ►Press “SE T” button to enter the value adjust interface or selection function (select ON/OFF) ►Press “▲/▼”...

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

    Manual of SR258 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 SR258 intelligent controller time with a same value(for example, set second start time tA 2 O at 10:00 and set the stop time tA2 F at 10:00) E very day three timing heating can be set, and the switch-on temperat ure adjustable range is C) ～95...
  • Page 17 Manual of SR258 intelligent controller Switch-on time 00:00-23:59/0 ℃ 04:00 /40℃ 0.5℃ tH1O temperature of the first ～(OFF-2℃) timing heating Switch-off time 00:00-23:59/(ON+ tH1F 05:00/50℃ 0.5℃ temperature of the first 2℃) ～95℃ timing heating Switch-on time 00:00-23:59/0 ℃ 10:00/40℃ 0.5℃...

  • Page 18: Circ Dhwcircuit Pump Controlled By Temperature In Three Time - Sections / Flow Switcher

    Manual of SR258 intelligent controller ►Press “▲” button to set stop time of the first time section, “tH1F 05:00” displays on the screen ► Press “SET” button, hour time “05” blinks ► Press “▲/▼” button to adjust hour of the switch-off time ►...
  • Page 19 Manual of SR258 intelligent controller sections /flow switcher control mode, their parameter adjust steps of two control mode are same. Three time - sections/ temperature control mode (tEP) Within the time - section (default: DHW temperat ure is less than 40...
  • Page 20 Manual of SR258 intelligent controller Note: Installed a check valve on the inlet pipe of circuit pump to avoid the water which is from tank mixing with wat er from circuit pipe. If the stop time is set with value 0 minut e, then when flow switcher feels the flow and thus to trigger the pump, pump will run for the whole time - section.
  • Page 21 Manual of SR258 intelligent controller Menu structure: Main Submen Submen Factory Adjustabl Step per Description menu e range adjust CIRC ON/OFF DHW circuit function tEP/FS MODE Control mode by tempera ture or by flow swi tcher. ON/OFF STAT Trigger condi tion of DHW...
  • Page 22 Manual of SR258 intelligent controller second time section 13:00 00:00-23:5 t C2F Switch-off time and temperature for the second time section 17:00 00:00-23:5 t C3O Switch-on time and temperature for the third time section 22:00 00:00-23:5 t C3F Switch-off time and...
  • Page 23 Manual of SR258 intelligent controller ►Press “▲”, “CY CF 45oC” displays on the screen ►Press “SET” button, “45oC” blinks ►Press “▲/▼” button to adjust the switch-off temperature of DHW circuit pump, adjustable range (ON+2oC) ~55C ►Press “SET” or “ESC” button, to confirm the setting ►Press “▲”, “tC1O 05:00”...

  • Page 24: Function Operation And Parameter Setup (Engineer)

    Manual of SR258 intelligent controller 7. Function operation and parameter setup (engineer) 7.1PWD Password Menu structure Access main menu, select “PWD 0000” to ent er password ► Press “SET” button, the left digital blinks, enter password, factory set is “0000”...
  • Page 25 Manual of SR258 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 26 Manual of SR258 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 pump speed control...

  • Page 27: Col Collector Function

    Manual of SR258 intelligent controller ► Press “SET” or “ES C” to save the setting ► Press “▲”, “SMA X S2” displays on the screen ► Press “SET”, “S2” blinks ► Press “▲/▼”, select the sensor for maximum temperat ure of tank (S 3 for T3, S2 for T2) ►...
  • Page 28 Manual of SR258 intelligent controller This function is only available when the system cooling function (OSYC) and the heat transfer function (OHDP ) are not activated.  OCMI Collector minimum temperature The minimum collector temperature is the lowest temperature for running the solar system,...
  • Page 29 Manual of SR258 intelligent controller Menu structure Main Submenu Submenu Factory Adjustable Step Description menu range adjust Collector function OCEM Collector emergency shutdown function on/ff 130℃ 80-200℃ 1℃ Temperature of collector emergency shutdown(hysteresis 10K) OCCO Collector cooling function on/off CMAX 110℃...
  • Page 30 Manual of SR258 intelligent controller CFRF 5℃ -39-9℃ 0.5℃ Switch-off temperature of anti-freeze function OTCO Tube collector function TCST 07:00 00:00-23:00 1mi n Start time of tube collector function TCEN 19:00 00:00-23:00 1mi n Stop time of tube collector function...
  • Page 31 Manual of SR258 intelligent controller ►Press “ESC” to return to previous menu OCMI (Collector minimum temperature) setup ►Press “▲”, “OCMI” displays on the screen ►Press “SET”, “OCMI OFF” dis plays on the screen ►Press “SET”, “OFF” blinks on the screen ►Press “▲/▼”, to activat e this function, “OCMI ON”...

  • Page 32: Pump Pump R1 Control Mode

    Manual of SR258 intelligent controller ►Press “▲”, “TCS T 07:00” displays on the screen ►Press “SET”, “07” blinks ►Press “▲/▼”, to adjust hour ►Press “SET”, “00” blinks on the screen ►Press “▲/▼”, to adjust minut e ►Press “SET” or “ESC” to save the setting ►Press “▲”, “TCEN 19:00”...
  • Page 33 Manual of SR258 intelligent controller • PSOL: PWM profile solar pump • 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 34 Manual of SR258 intelligent controller pump s peed value of the corresponding relay must be set to 100 % or the control Mode must be set to ONOF in order to deactivate pump speed control. Menu structure Main Submenu Submenu...

  • Page 35: Cool Cooling Function

    Manual of SR258 intelligent controller ►Press “▲/▼” to open ►Press “SET” or “ESC” to save the setting ►Press “ESC” to return to previous menu Note: Only 1 type can be selected from 5 types ONOF、P ULS、PS OL、P HEA、0-10V Example: when “PULS ON” open option is selected, then other four types are closed automatically.
  • Page 36 Manual of SR258 intelligent controller Note: if tank temperature reaches to 95 C, all cooling functions will be locked. Hysteresis switch on temperature difference is 5K.  OHDP Heat transferring by external radiator Heat trans ferring 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.
  • Page 37 Manual of SR258 intelligent controller collector emergency shutdown, then collector overheat temperature OTS T is locked 2. Heat transferring function is only available when collector cooling function (OCCO) and system cooling function (OSY C) are deactivat ed. Menu structure Main...
  • Page 38 Manual of SR258 intelligent controller R3,R2 Output ports Function setting: OSYC (system cooling function) setting ►Select “COOL” main menu ►Press “SET” select submenu “OSY C” . ►Press “SET”, “OSYC OFF” displays on the screen ►Press “SET”, “OFF” blinks on the screen ►Press “▲/▼”, to activate this function...

  • Page 39: Aux Auxiliary Function

    Manual of SR258 intelligent controller ►Press “▲” button, “OTPM ON” displays ►Press “SET”, “ON” blinks ►Press “▲/▼”, to select the control logic pump or valve ►Press “SET” or “ESC” to save the setting ►Press “▲”, “REL 2” displays ►Press “SET”, “2” blinks ►Press “▲/▼”, to select the output port for heat trans ferring...
  • Page 40 Manual of SR258 intelligent controller Menu structure Main Submenu Submenu Factory Adjustable Step per Description menu range adjust Auxiliary functions TIME ON/OFF Timer functi on t 1O 00:00 00:00-23:59 Sta rt ti me of the fi rst time section t 1F...
  • Page 41 Manual of SR258 intelligent controller t A1F 23:59 00:00-23:59 Close time of the fi rs t time section t A2O 00:00 00:00-23:59 Sta rt ti me of the second ti me section t A2F 00:00 00:00-23:59 Close time of the second time...
  • Page 42 Manual of SR258 intelligent controller If one of time section needs to be closed, then just set the start time and close time with a same value. (Example: 10:00 start, 10:00 close also) AH Thermostat function ► Select AH submenu, “AH” displays on the screen ►Press “SET”, “AH OFF”...

  • Page 43: Man Manual Operation

    Manual of SR258 intelligent controller If you want cease the thermostat function within a time section, then just set its start time and close time with a same value. (Example: 10:00 start, 10:00 close also) BEEP（Beeper warning function） setting ►Press “▲”, select BEEP submenu, “BEEP” displays on the screen ►Press “SET”, “BEEP OFF”...

  • Page 44: Blpr Blocking Protection

    Manual of SR258 intelligent controller 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” or “ESC” to save the setting ►Press “▲”, “R2”...
  • Page 45 Manual of SR258 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 monit oring period P DIS starts as soon as the temperature at the allocated sensor falls...

  • Page 46: Fs Flow Rate Monitoring And Pump Dry Running Protection

    Manual of SR258 intelligent controller ►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 C” displays on the screen ►Press “SET”, “70...

  • Page 47: Unit C-F Switch

    Manual of SR258 intelligent controller Menu structure Function setting ►Select FS menu ►Press “SET”, “FS OFF” displays ►Press “SET”, “OFF” blinks ►Press “▲/▼”, to activate this function, ►Press “SET” or “ESC” to save the setting 7.11 UNIT C-F Switch Under this menu, unit of temperat ure can be switched between C degree celsius and Fahrenheit.

  • Page 48: Pass Password Setup

    Manual of SR258 intelligent controller Menu structure Function setting ►Select RST menu ►Press “SET”, “RS TP ” displays on the screen ►Press “SET”, “YES” blinks ►Press “SE T” for 3 seconds, beeper sounds “di” 3 times, “YES” lighting, and it indicates system is recovered to factory set.

  • Page 49: Manual Heating

    Manual of SR258 intelligent controller ► Switch-off the power to controller ► Hold down “ES C” button ► Reconnect the power supply, when beeper sounds 3 di….., and then release “ESC” button, Cont roller recovers to the factory set password (factory set password is 0000), 7.14M.H Manual heating...

  • Page 50: Protection Function

    Manual of SR258 intelligent controller Acti vate/deactivate this function: ►Press “ ” button for 3 seconds, “HDAY 05” displays on the screen ►Press “▲/▼”, to adjust holiday’s days, adjustable range 0 -99 days ►Press “ ” again, holiday function is closed, sign “...

  • Page 51: Quality Guarantee

    Manual of SR258 intelligent controller On the screen, warning sign and sensor 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 52: Accessories

    Manual of SR258 intelligent controller 10. Acce ssorie s Products name Specification Products picture PT1000, Ф6*50mm A01: High accurate Pt1000 sens or for collector NTC10K, B=3950, Ф6*50mm A02: High accurate sensor for tank and pipe 304 stainless steel with thread 1/2’ OT, A05: 304 stainless Size: Ф8*200...
  • Page 53 Manual of SR258 intelligent controller  SR802 connection diagram Note: Switch-off power, and perform by profession installer.

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