Summary of Contents for Altek SR1128
- Page 1 Operating manual of Controller SR1128 For split pressurized solar hot water system...
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Page 2: Table Of Contents
SR1128 operation manual Content 1. Safety information ....................3 1.1 Installation and commissioning ................3 1.2 About this manual ....................3 1.3 Liability waiver ......................3 1.4 Important remark ....................4 1.5 Description of symbols ................... 4 2. Overview ........................4 2.1 Introduction of controller .................. - Page 3 SR1128 operation manual 5.5 OHQM Thermal energy measuring ............... 23 5.5.1 FMAX Flow rate ....................24 5.5.2 MEDT Type of heat transfer liquid ..............25 5.5.3 MED% Concentration of heat transfer liquid ............25 5.6 INTV Pump interval function ................. 25 5.6.1 ISTAR Turn-on time set for pump interval running function .........
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Page 4: Safety Information
SR1128 operation manual 1. Safety information 1.1 Installation and commissioning When laying cables, 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 Remark
SR1128 operation manual Please immediate take the device out of operation. Note: ensure that the device cannot be accidentally placed into operation. 1.4 Important remark 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: Scope Of Delivery
SR1128 operation manual Picture 3 Picture 4 2.2 Scope of delivery 1 x controller 1 x user manual 2 x screw and dowel 1 x PT1000 sensor (φ6*50mm,length of cable 1.5 meter 2 x NTC10K φ6*50mm, length of cable 3 meter 1 x bag of strain relief 2.3 Technical data... -
Page 7: Installation
SR1128 operation manual 1 x RS485 remote control connection Outputs 1 PWM output ≤200W ; 1 relay output ( each available power≤300W Ambient temperature -10-50 Water proof grade IP40 Note: SD card isn’t included within the delivery scope of controller. -
Page 8: Wire Connection
SR1128 operation manual 3.3 Wire connection Before opening the terminal, please be sure to switch-off the power and pay attention to the local electricity supply rules. Input Ports: Inputs T1 For PT1000 temperature sensor, used for measuring the temperature of collector and measuring the produced thermal energy. -
Page 9: Menu Structure
SR1128 operation manual Output ports Input Ports: Input ports L, N is power connection terminal, please connect correctly. is Ground line terminal. Output P1 Semiconductor relay (SCR relay), for solar circuit pump, also suitable for RPM (speed) control; Max. Switching current: 1A. -
Page 10: Menu Description
SR1128 operation manual 3.5 Menu description Code Code Menu Description Main menu (Submenu) For set the operation temperature difference TEMP For set correlative temperatures EMOF The maximum switch-off temperature of collector EMON The maximum switch-on temperature of collector The maximum temperature of collector... -
Page 11: System Description
SR1128 operation manual FSYS Error on system files LOGG Possible to log UNIT Celsius and Fahrenheit temperature switch Manual controlling REST Recovery to factory set PASS Password set 3.6 System description Note: storage temperature sensor T3 is optional sensor, if this sensor is not installed on the upper part of the storage, controller will adopt the temperature signal from sensor T2 installed on the bottom part of storage to control back-up heater or circuit pump. -
Page 12: Function Operation And Parameter Setup (User Grade)
SR1128 operation manual 4. Function operation and parameter setup (user grade) 4.1 Set time/week ►Press “SET” button, “TIME” displays on the screen, ►Repress “SET” button, hour selection area “00” blinks on the display screen. ►Press “+” “-” button to set hour of clock ►Press “SET”... - Page 13 SR1128 operation manual The switch-on temperature adjustable range: 10 C ~ (OFF-2 The switch-off temperature adjustable range: (ON+2 C) ~ 80 If you want to shut off one timing heating, then you can set the turning on time and turning...
- Page 14 SR1128 operation manual ► Press “+” button, “tH 1F 05:00” displays on the screen, to access the submenu of the switch-off time and temperature for the first schedule of heating function. ► Press “SET” button again, “05” of hour time blinks on screen.
- Page 15 SR1128 operation manual -------------------------------------------------------------------------------------------------------------------------- ► Press “+” button, “tH 3o 17:00” displays on the screen, to access the submenu of the switch-on time and temperature for the third schedule of heating function. ► Press “SET” button again, “17” of hour time blinks on screen.
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Page 16: Function Operation And Parameter Setup (Engineer Grade)
SR1128 operation manual If customer uses electrical heater as back-up, please according to the power of electrical heater to equip corresponding safety devices like contactor and breaker with this controller, we strongly recommend equipping with SR802 device with this controller, (SR802 detailed technical data see paragraph spare parts) 5. -
Page 17: Temp Temperature
SR1128 operation manual years’ experience, only in special application cases it needs to be changed, (e.g. far distance heat transferring), normally we recommend using default set. Switch-on and switch-off DT are alternating set. To avoid mistake the minimum difference between two temperature differences (ΔTon –ΔToff) is set as 2... -
Page 18: Emof Collector Maximum Switch-Off Temperature (For Collector Emergency Close Function)
SR1128 operation manual Tem. Factory Function Function of temperature Adjustable range Paragraph Code exit tem. EMOF Collector maximum switch-off temperature (ON+3 C)~ 200 5.3.1 EMON Collector maximum switch-on temperature C ~ (OF-3 5.3.2 Maximum limited collector temperature C ~190 5.3.3... -
Page 19: Emon Collector Maximum Switch-On Temperature (For Collector Emergency Close Function)
SR1128 operation manual 5.3.2 EMON Collector maximum switch-on temperature (for collector emergency close function) Setup steps: To access main menu TEMP, then select submenu EMON, “EMO 120 C” displays on screen ►Press “SET” button, parameter “120 C” blinks. ►Press “+” “-” button, to adjust this maximum... -
Page 20: Cmn Low Temperature Protection Of Collector
SR1128 operation manual circulation or when tank temperature rises its emergency temperature (95 When displays, and blinks on the screen, it indicates that tank emergency temperature reaches, tank temperature is ≥95 Setup steps: To access main menu TEMP, then select submenu CMX, “CMX 110 C”... -
Page 21: Cfr Frost Protection Of Collector
SR1128 operation manual CMN signal displays on screen, it indicates that this function is activated. 5.3.5 CFR frost protection of collector Description: In winter when the temperature of collector is below the preset frost protection temperature (factory set is 4 C), solar circuit pump is triggered to transfer hot water from tank to collector and to heat collector by this reversed circuit. -
Page 22: Maximum Temperature Of Tank 1
SR1128 operation manual through this reversed circulation, storage temperature is reduced by heat loss occurs in collector, solar pump keeps in working until storage temperature drops below its maximum temperature. Setup steps: To access main menu TEMP, then select submenu REC, “REC OFF” displays on screen, default set is off. -
Page 23: Pump Circuit Pump Speed Adjust Set
SR1128 operation manual SMX signal displays on screen, it indicates that this function is in activated. 5.4 PUMP circuit pump speed adjust set Description: P1 output can be configured to function either as RPM controlled output or simple switch output. -
Page 24: Ris Gain For Circulation Pump 1 (Speed Adjusting)
SR1128 operation manual Setup steps: To access PUMP, then select submenu DTS “DTS 08 C” displays on screen. ►Press “SET” button, parameter “08 C” blinks on the screen ►Press “+” “-” button, to adjust the standard DTS, adjustable range C 30 C , factory set is 08 ►Press “ESC”... -
Page 25: Fmax Flow Rate
SR1128 operation manual ►Press “SET” button, parameter “OFF” blinks on the screen ►Repress “SET” button to activate this function, then “OHQM ON” appears on the screen ► Press “ESC” button to exit the menu or wait for 20 seconds to exit automatically, parameters are saved automatically. -
Page 26: Medt Type Of Heat Transfer Liquid
SR1128 operation manual 5.5.2 MEDT Type of heat transfer liquid MEDT: type of heat transfer liquid, adjustable range (00 03) factory set Type of heat transfer liquid: 00 Water 01 Propylene glycol 02 Glycol 03 Tyfocor LS/G-LS Setup steps: To select submenu MEDT, “MEDT 01” displays on screen. -
Page 27: Istar Turn-On Time Set For Pump Interval Running Function
SR1128 operation manual at ISTAR and IEND submenu. Setup steps: To select submenu INTV, “INTV” displays on the screen. ► Press “SET” button to access menu, “INTV OFF” displays. ► Repress “SET” button, parameter “OFF” blinks, factory set is “OFF”... -
Page 28: Irun Pump Running Time
SR1128 operation manual set is “30 minute” ► Press “+” “-” button, to adjust time, adjustable range (2~ 60 minutes). ► Press “ESC” button to exit the menu or wait for 20 seconds to exit automatically, parameters are saved automatically. -
Page 29: Osdc Sd Card Data Save Function
SR1128 operation manual ►Press “ESC” button to exit the menu or wait for 20 seconds to exit automatically, parameters are saved automatically. 5.8 OSDC SD card data save function Description: Put the SD card in the groove, data is logged immediately. Then under menu of the OSDC card, “OSDC ON”... -
Page 30: Unit Display Unit C And Switches
SR1128 operation manual then data log is stopped, and card signal blinks. Short message Code Description FSYS File system error NOCRD NO card FAT16 Memory of card is less than 2G FAT32 Memory of card is larger than 2G RTIME... -
Page 31: Rest Recovery To Factory Set
SR1128 operation manual screen, H1 output is switched-on ►Repress “SET” again, “HND2 off” displays, H1 output is switched-off ►Press “ESC” to exit H1 setup. -------------------------------------------------------------------------------------------------------------- Note: when manual mode is activated, signal displays on the screen, after 15 minutes all outputs are switched-off, controller exits manual mode automatically. -
Page 32: Button Function
SR1128 operation manual displays on the screen to indicate reentering password successfully. ►Press “ESC” button to exit set program or wait for 20 seconds to exit automatically. Warning If the password is forgot, it is not possible to recover, but you can recover the password to factory set, then you can reedit a password like above descript steps, doing like following to recover to factory set. -
Page 33: Manual Heating
SR1128 operation manual 6.2 Manual heating Description: Electrical heater, gas or oil boiler can be as back-up devices in a solar system, this controller can achieve constant temperature controlling, when temperature of top part tank (T3) is 3 C below the preset switch-on temperature, back-up heating will be triggered. -
Page 34: Protection Function
SR1128 operation manual 7 Protection function 7.1. Memory protection In case power failure occurs, controller keeps the parameter settings unchanged. 7.2 Screen protection When no any press on button for 3 minutes, screen protection is activated automatically, and then LCD lighting lamp is switched-off. Through press any button to light LCD lamp again. -
Page 35: Trouble Shooting
SR1128 operation manual 8. Trouble shooting 8.1 Trouble protection a. When there is a break or short circuit between the connection of temperature sensors, controller switches off the corresponding functions and no more output signals are given, at the same time error signals show on the display. -
Page 36: Quality Guarantee
SR1128 operation manual Symptoms Secondary symptoms Possible cause Procedure Controller does not Display shows nothing, Controller power supply is Check the controller power appear any functions at no display illumination interrupted or program is out cable and fuse of work The solar pump doesn’t... -
Page 37: Accessories
SR1128 operation manual in system and incorrect operation, the quality responsibility is invalid for them. The warrantee expires within 24 months after the date of purchasing the controller. 10. Accessories PT1000 Ф6*50mm A01: sensor for collector NTC10K B=3950 Ф6*50 A02: sensor for tank and pipe Parameter 1/2’... - Page 38 SR1128 operation manual SR802 connection diagram: Note switch-off power and perform by profession installer ~37~...
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