Dimension: 410mm x350mm x165mm
Power supply: 200V-240V AC or 100V-130V AC, 50-60Hz. .     
Power consumption: < 3W
Accuracy of temperature measuring: &plusmn; 2centigrade
Range of collector temperature measuring: -10centigrade -200centigrade
Range of tank temperature measuring: 0centigrade -110centigrade
Suitable power of pump: 2 pumps possible to be connected, power of each pump < 200W.
Suitable power electrical heating: 1 relay for 1500W (1500w-4000w must be use SR802)
Inputs: 6sensors,
1pcs*Pt1000 sensor (&le;500centigrade) for collector (silicon cable&le;280centigrade),
5pcs*NTC10K, B3950 sensor (&le; 135centigrade) for tank, (PVC cable &le;105centigrade),
Outputs:3 relays, for circulation pumps or 3-way electromagnetic valve
Ambient temperature:-10centigrade - 50centigrade.
Water proof grade: IP43.
Timing heating
Temperature difference control 1*&Delta;T
Collector emergency shutdown
Collector cooling function
Collector low temperature protection
Collector frost protection
Tank re-cooling function
Maximum temperature of tank (1*storage tank)
C-F Celsius and Fahrenheit temperature transferring
RPM speed controlling(1*semiconductor)
Thermal energy measuring
Flow rate display
Pump interval function.

Maximum turnoff temperature
(for solid fuel boiler, return heating, heat transferring between tanks)
Minimum turn-on temperature
(for solid fuel boiler, return heating, heating transferring between tanks)
Anti-Legionella function
Temperature controlled hot water circulation pump
Thermostat function( Independent of system)
High temperature by-pass function(Collector cooling down)
Data logging onto SD memory card
Internet access
Manual Control (for 3 outputs:R1,P2,H1)
Password setting
Recovery to factory setting
Holiday function
Manual Heating
Temperature query function
Memory Protection
Screen protection
Trouble shooting
Trouble protection
Trouble checking