SR988C
Intelligent Controllers for solar Hot Water
Separated Pressurized Solar System
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Introduction
This controller has 50 different configurations depending on the
clients
requests/circumstances.
SYSTEM 1 (SCH 01):
1 collector array – 1 storage tank – 1 solar pump - auxiliary heating
SYSTEM 2 (SCH 02):
1 collector array – 1 storage tank – 1 solar pump – 1 circulation pump for
auxiliary boiler
SYSTEM 3 (SCH 03):
1 collector array – 1 storage tank – 1 solar pump – electromagnetic
valve controlled
auxiliary gas boiler
SYSTEM 4 (SCH 04):
1 collector array – 1 storage tank – 1 solar pump – solid fuel auxiliary boiler
SYSTEM 5 (SCH 05):
1 collector array – 1 storage tank – 1 solar pump – with auxiliary heat systems:
solid fuel auxiliary boiler and circulation pump for auxiliary boiler
SYSTEM 6 (SCH 06):
1 collector array – 1 storage tank (stratified heating)
– 1 solar pump – 1 electromagnetic valve - auxiliary heating system
SYSTEM 7 (SCH 07):
1 collector array – 2 storage tanks – 2 solar pumps - auxiliary heating system
SYSTEM 8 (SCH 08):
1 collector array – 2 storage tanks – 2 solar pumps
- 1 circulation pump for auxiliary boiler
SYSTEM 9 (SCH 09):
1 collector array – 2 storage tanks – 2 pumps - 1 circulation pump for
auxiliary boiler difference
SYSTEM 10 (SCH 10):
1 collector array – 2 storage tanks – 1 pump
- 1 electromagnetic valve - auxiliary heating
SYSTEM 11 (SCH 11):
1 collector array – 2 storage tanks – 1 solar pump
- 1 electromagnetic valve - circulation pump for auxiliary boiler
SYSTEM 12 (SCH 12):
2 collector arrays (east/west collector) – 1 storage tank
– 2 solar pumps - auxiliary heating system
SYSTEM 13 (SCH 13):
2 collector arrays (east/west collector) – 1 storage tank
– 2 solar pumps - circulation pump for auxiliary heating system
SYSTEM 14 (SCH 14):
2 collector array (east/west collector) – 1 storage tank
– 2 solar pumps - electromagnetic valve controlled auxiliary boiler
SYSTEM 15 (SCH 15):
2 collector arrays (east/west collector) – 1 storage tank
– 2 solar pumps - solid fuel auxiliary boiler
SYSTEM 16 (SCH 16):
2 collector arrays (east/west collector – 1 storage tank
– 1 solar pump - 1 electromagnetic valve - auxiliary heating system
SYSTEM 17 (SCH 17):
2 collector arrays (east/west collector) – 1 storage tank – 1 solar pump
- 1 electromagnetic valve – circulation pump for auxiliary boiler
SYSTEM 18 (SCH 18):
2 collector arrays (east/west collector) – 1 storage tank – 1 solar pump
- 1 electromagnetic valve – electromagnetic valve controlled auxiliary gas boiler
SYSTEM 19 (SCH 19):
2 collector arrays (east/west collector) – 1 storage tank
– 1 solar pump - 1 electromagnetic valve – solid fuel auxiliary boiler
SYSTEM 20 (SCH 20):
Electromagnetic valve controlled 2 collector arrays (east/west collector)
– 2 storage tanks – 2 solar pumps - 1 electromagnetic valve
– auxiliary heating system
SYSTEM 21 (SCH 21):
Electromagnetic valve controlled 2 collector arrays (east/west collector)
– 2 storage tanks – 2 solar pumps - 1 electromagnetic valve
– Circulation pump for auxiliary boiler
SYSTEM 22 (SCH 22):
Electromagnetic valve controlled 2 collector arrays (east/west collector)
– 2 storage tanks – 1 solar pump - 2 electromagnetic valve
– auxiliary heating system
SYSTEM 23 (SCH 23):
Electromagnetic valve controlled 2 collector arrays (east/west collector)
– 2 storage tanks – 1 solar pump - 2 electromagnetic valves
– circulation pump for auxiliary boiler
SYSTEM 24 (SCH 24):
1 collector array – 3 storage tanks – 3 solar pumps - auxiliary heating system
SYSTEM 25 (SCH 25):
1 collector array – 3 storage tanks – 3 pumps
- circulation pump for auxiliary boiler
SYSTEM 26 (SCH 26):
Electromagnetic valve controlled 2 collector arrays – 3 storage tanks
– 3 solar pumps - 1 electromagnetic valve - auxiliary heating system
SYSTEM 27 (SCH 27):
Electromagnetic valve controlled 2 collector arrays – 3 storage tanks
– 3 solar pumps - 1 electromagnetic valve – circulation pump for auxiliary boiler
SYSTEM 28 (SCH 28):
1 collector array – 3 storage tanks – 1 solar pump
- 2 electromagnetic valves – auxiliary heating system
SYSTEM 29 (SCH 29):
1 collector array – 3 storage tanks – 1 solar pump
- 2 electromagnetic valves – circulation pump for auxiliary boiler
SYSTEM 30 (SCH30):
Electromagnetic valve controlled 2 collector arrays (east/west)
– 3 storage tanks – 1 solar pump - 3 electromagnetic valves
– auxiliary heating system
SYSTEM 31 (SCH31):
Electromagnetic valve controlled 2 collector arrays (east/west)
– 3 storage tanks – 1 solar pump - 3 electromagnetic valves
– circulation pump for auxiliary boiler
SYSTEM 32 (SCH32):
1 collector array – swimming pool – 1 pump
- auxiliary heating system
SYSTEM 33 (SCH33):
2 collector arrays (east/west) – swimming pool – 2 pumps
- auxiliary heating system
SYSTEM 34 (SCH34):
2 collector arrays (east/west) – swimming pool –1 solar pump
- 1 electromagnetic valve - auxiliary heating system
SYSTEM 35(SCH35):
1 collector array – 1 tank with heat exchanger
- swimming pool – 2 solar pumps - 1 electromagnetic valve
- auxiliary heating system
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SYSTEM 36(SCH36):
1 collector array – 1 tank with heat exchanger - swimming pool
– 2 pumps - 1 electromagnetic valve - circulation pump for auxiliary boiler
SYSTEM 37(SCH37):
2 collector arrays( east/west）– 1 tank with heat exchanger
- swimming pool – 2 solar pumps - 1 electromagnetic valve
- circulation pump for auxiliary boiler
SYSTEM 38(SCH38):
Electromagnetic valve controlled 2 collector arrays（east/west）
–1 tank with heat exchanger - swimming pool –1 pump
- 2 electromagnetic valves - circulation pump for auxiliary boiler
SYSTEM 39(SCH39):
1 collector array – 1 tank - 1 pump – floor heating return increase
SYSTEM 40(SCH40):
2 collector arrays (east/west) – 1 tank - 2 solar pumps
– floor heating return increase
SYSTEM 41(SCH41):
2 collector arrays (east/west) – 1 tan -1 solar pump
– 1 electromagnetic valve - floor heating return increase
SYSTEM 42(SCH42):
1 collector array – 1 tank with external heat exchanger
- 2 pumps – auxiliary heating system
SYSTEM 43(SCH43):
1 collector array – 2 tanks with 1 external heat exchanger
- 3 pumps – auxiliary heating system
SYSTEM 44(SCH44):
2 collector arrays (east/west) – 1 tank with external heat exchanger
- 2 pumps – auxiliary heating system
SYSTEM 45(SCH45):
2 collector arrays (east/west) – 2 tanks with 1 external heat exchanger
- 4 pumps – auxiliary heating system
SYSTEM 46(SCH46):
2 collector arrays (east/west) – 1 tank with 1 external heat exchanger
- 2 pumps – 1 electromagnetic valve - auxiliary heating system
SYSTEM 47(SCH47):
Electromagnetic valve controlled 2 collector arrays (east/west)
– 2 tanks with 1 external heat exchanger -3 pumps
– 1 electromagnetic valve - auxiliary heating system
SYSTEM 48(SCH48):
2 collector arrays (east/west) – 1 tank with 1 external heat exchanger
- 3 pumps – solid fuel auxiliary boiler
SYSTEM 49(SCH49):
2 collector arrays (east/west) – 1 tank with 1 external heat exchanger
- 3 pumps – 1 electromagnetic valve - solid fuel auxiliary boiler
SYSTEM 50(SCH50):
1 collector array – 1 tank - 1 pump – electromagnetic valve controlled auxiliary heating
Technical Data
| Specification |
SR988C |
| Appearance of controller |
190mm×140mm×40mm |
| Power supply |
AC220V±10% |
| Power consumption |
＜ 3W |
| Accuracy of temperature measuring |
±2oC |
| Range of collector |
-10～220oC |
Range of tank temperature measuring
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0～110oC |
| Suitable power of pump |
Five pumps，each ≤ 600W |
| Inputs: 6 Sensors |
2 piece Pt1000 sensor (≤500oC) for collector (silicon cable≤280oC),
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4 pieces NTC10K, B3950 sensor (≤ 135oC) for tank, (PVC cable ≤105oC) |
| Outputs: |
5 Relays for circulation pumps or 3-way electromagnetic valve |
| Ambient temperature |
-10～50 oC |
| Water proof grade |
IP40 |
| Socket |
choice by customer |
Main Functions
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
( ) Manual.
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