Solar Thermal System Controller (SR988C)

Suitable  for  separated  pressurized  solar  system
Main functions and technical datas
1. Safety information
1.1 Installation and commissioning
1.2 About this manual
1.3 Liability waiver
1.4 Important remark
1.5 Description of symbols
1.6 Description of operation button
2. Installation
2.1 Installing the controller
2.2 Power connection
2.3 Terminal connection
3. Commissioning
3.1 Setting the time/ week
3.2 SCH system selection
3.3 Menu structure
3.4 Menu description
3.5 SCH system description (system 1 ~ system 50)
4. Controller functions
4.1 Access main menu
4.2 Access submenu
4.3 Main menu THET Timing heating
4.4 DT Temperature difference adjusting function
4.5 TEMP Temperature main menu
4.5.1 EM Emergency collector temperature (emergency switch-off temperature of
collector)
4.5.2 CMX Maximum limited collector temperature (collector cooling function)
4.5.3 CNN Low temperature protection of collector
4.5.4 CFR Frost protection of collector
4.5.5 REC Tank re-cooling function
4.5.6 SMX1 Maximum temperature of tank 1
4.5.7 SMX2 Maximum temperature of tank 2
4.5.8 SMX3 Maximum temperature of tank 3
4.5.9 MAX1 Maximum turnoff temperature (for solid fuel boiler, return heating,
heat transferring between
tanks)
4.5.10 MIN1 Minimum turn-on temperature (for solid fuel boiler, return heating,
heating transferring
between tanks)
4.6 FUN Auxiliary function
4.6.1 CIRC Temperature controlled hot water circulation pump
4.6.2 nMIN Circuit pump speed adjusting (RPM speed controlling)
4.6.3 DTS Standard temperature difference (for circuit pump speed adjusting)
4.6.4 RIS Increased rate (for circuit pump speed adjusting)
4.6.5 OHQM thermal energy measuring
4.6.6 FMAX Flow rate
4.6.7 MEDT Type of heat transfer liquid
4.6.8 MED% Concentration of antifreeze
4.6.9 PRIO Priority logic of tank
4.6.10 TRUN Heating loading- time
4.6.11 TSTP Heating interval- time
4.6.12 DVWG Anti-Legionella function
4.6.13 BYPR High temperature by-pass function (tank temperature automatically
adjusting)
4.7 HND Manual mode
4.8 PASS Password setting
4.9 RSET Recovery factory setting
4.10 ON/OFF button
4.11 Holiday function
4.12 Manual heating
4.13 Temperature query function
5. Protection function
5.1 Memory protection
5.2 Anti-dry heating protection
5.3 Screen protection
6. Trouble shooting
6.1 Trouble protection
6.2 Trouble checking
7. Quality guarantee
8. Technical data
9. Delivery scope
10. Device matchable to this controller

1. Sample available
2.10% discount on container loadage
3.20% off on DHL, 30% off on TNT