SR988C1 Solar Controllers Solar Water Heater Controllers Solar Smart Controllers

System 1 (SCH 01) : Standard solar system , 1 tank System 2 (SCH 02): 1 tank + 3-ways valve layer heating System 3 (SCH 03): 2 tanks+ circuit pump control logic System 4 (SCH 04): 2 tanks+ heat transferring control logic System 5 (SCH 05): 2 tanks+ valve control logic System 6 (SCH 06): east-west collectors + 1 tank System 7 (SCH 07): east-west collectors + 1 tank +valve control logic System 8 (SCH 08): east-west collectors + 2 tanks +valve control logic System 9 (SCH 09): east-west collectors + 2 tanks +valve control logic System 10 (SCH 10): 3 tanks + pump control logic System 11 (SCH 11): east-west collector+3 tanks +pump+valve control logic System 12 (SCH 12): 3 tanks +valve control logic System 13 (SCH 13): east-west collector+ 3 tanks +valve control logic System 14 (SCH 14): 1 tanks + swimming pool+ valve + heat exchanger control logic System 15 (SCH 15) : east-west collector +1 tanks + swimming pool+ valve + heat exchanger control logic System 16(SCH 16) : east-west collector +1 tanks + swimming pool+ valve + heat exchanger control logic System 17(SCH 17): 1 tanks + heating return control logic System 18(SCH 18): east-west collector + heating return control logic System 19(SCH 19): east-west collector +valve + heating return control logic System 20(SCH 20): standard solar system, heat exchanger control logic System 21(SCH 21): 2 tanks + heat exchanger control logic System 22(SCH 22): east-west collector + heat exchanger control logic System 23(SCH 23): east-west collector +2 tanks + heat exchanger control logic System 24(SCH 24): east-west collector + valve + heat exchanger control logic System 25(SCH 25): east-west collector + valve + 2 tanks + heat exchanger control logic System 26(SCH 26): 2 tanks + valve + heating return control logic System 27(SCH 27): east-west collector +2 tanks + valve + heating return control logic System 28(SCH 28) : east-west collector +2 tanks + valve + heating return control logic System 29(SCH 29): 1 tank+ valve layer heat + heating return control logic System 30(SCH 30): east-west collector+ valve layer heat + heating return control logic System 31(SCH 31): 2 tanks + heat transferring + heating return control logic System 32(SCH 32): 1 tank + heat exchanger + heating return control logic System 33(SCH 33): east-west collector +2 tanks + valve + heat exchanger control logic System 34(SCH 34): 2 tanks + valve + heat exchanger control logic System 35(SCH 35): 2 tanks + heat exchanger+ heat transferring control logic System 36(SCH 36): 2 tanks + valve+ heat transferring control logic System 37(SCH 37): east-west collector + 2 tanks + heat transferring control logic System 38(SCH 38): east-west collector + 2 tanks + valve + heat transferring control logic System 39(SCH 39): east-west collector + 2 tanks + valve control logic

Specification Parameter

Appearance of controller 200mm*155mm*45mm

Power supply AC230V±10%

Power consumption<3W

Accuracy of temperature measuring ±2 centigrade

Range of collector sensor measuring -10-220 centigrade

Range of tank sensor measuring 0-100 centigrade

Suitable power of pump 9 pc, no more than 200W

Suitable power of electrical heater 1 pc, no more than1500W

Inputs 2*Pt1000 sensor (≤500 centigrade) for collector (silicon cable≤280 centigrade),

10*NTC10K, B3950 sensor (≤135 centigrade) for tank or pipe, (PVC cable ≤105 centigrade),

Outputs 9 relays for circulation pumps or 3-way electromagnetic valve

1 relay for electrical heater

Ambient temperature -10-50 centigrade

Water proof grade IP40

4.3 Main menu-THET timing heating

4.4 Main menu-DT Temperature difference

4.5 Main menu-TEMP Temperature

4.5.1 EMOF Collector emergency shutdown function activated

4.5.2 EMON Collector emergency shutdown function exit

4.5.3 CMX Maximum limited collector temperature (collector cooling function)

4.5.4 CMN low temperature protection of collector

4.5.5 CFR frost protection of collector

4.5.6 REC Tank re-cooling function

4.5.7 SMX1 Maximum temperature of tank 1

4.5.8 SMX2 Maximum temperature of tank 2

4.5.9 SMX3 Maximum temperature of tank 3

4.5.10 MAX1 Maximum switch-off temperature (for heat transferring between tank and heating loop)

4.5.11 MIN1 Minimum switch-on temperature (for heat transferring between tank and heating loop)

4.5.12 MAX2 Maximum switch-off temperature (for heat transferring between tank and heat exchanger)

4.5.13 MIN2 Minimum switch-on temperature (for heat transferring between tank and heat exchanger)

4.6 Main Menu-FUN Auxiliary function

4.6.1 DVWG Anti legionnaires' function

4.6.2 CIRC Temperature controlled hot water circulation pump

4.6.3 SFB On/off for solid fuel boiler

4.6.3.1 SFON Minimum switch-on temperature of tank

4.6.3.2 SFOF Maximum switch-off temperature of tank

4.6.3.3 MAX3 Maximum switch-off temperature of solid fuel boiler

4.6.3.4 MIN3 Minimum switch-on temperature of solid fuel boiler

4.6.4 nMIN Speed adjusting of circulation pump 1 (pump1 RPM controlling)

4.6.5 DTS Standard temperature difference for circulation pump 1 (speed adjusting)

4.6.6 RIS Gain for circulation pump 1 (speed adjusting)

4.6.7 n2MN Speed adjusting of circulation pump 2 (pump 2 RPM controlling)

4.6.8 DT2S Standard temperature difference for circulation pump 2 (speed adjusting)

4.6.9 RIS2 Gain for circulation pump 2 (speed adjusting)

4.6.10 OHQM Thermal energy measuring

4.6.10.1 FMAX Flow rate

4.6.10.2 MEDT Type of heat transfer liquid

4.6.10.3 MED% Concentration of heat transfer liquid

4.6.11 PRIO Tank priority

4.6.12 tRUN Interval heating timer

4.6.13 tSTP Interval switch-off time

4.6.14 INTV Pump interval function

4.6.14.1 ISTP Pump interval time

4.6.14.2 IRUN Pump running time

4.6.15 Delta T4 temperature difference for circulation

4.6.16 AHO Thermostat function

4.6.17 BYPR Bypass (high temperature)

4.6.18 HND Manual control

4.6.19 PASS Password set

4.6.20 REST Recovery to factory set

4.7 On/OFF button

4.8 Holiday function

4.9 Manual heating

4.10 Temperature query function

5. Protection function

5.1 Memory protection

5.2 Screen protection

6. Trouble shooting

6.1 Trouble protection

6.2 Trouble checking