TK-7/TK-8A Intelligent Computer Solar Water Heater Controller
TK-7/TK-8A controller for Unpressurized CNP-58/CNS-58 type solar water heater, Pre-heated CPH-58 type solar water heater

Main Function of TK-8A Non-pressure Solar Water Heater Controller:

Self-detective operation
Water temperature display
Water temperature preset
Water level display

Water level preset

Insufficient water alert
Auto water refill
Manual water refill
Manual electric heating
Intelligent water refill and heating
All-day water supply and heating
Constant temperature heating
Constant water level set
Compulsive water refill
Low pressure water refill
Auto water pipeline warming
Auto boosting pump control
Power off memory

Main Technical Data of TK-8A Non-pressure Solar Water Heater Controller:

Dimension: 170 mm x 125mm x 50mm

Power supply: AC 220V/50Hz or 110V/60Hz
Power consumption: <3W
Range of temperature measuring: 0~99°C
Accuracy of temperature measuring: ±2°C
Segment of water level measuring: 4
Suitable power of electric heater: 1 heater,< 2000W
Leakage cut-off current: < 10 mA/0.1s

Suitable power of water pump ( if any ): ≤500W

Suitable power of electrical heating wire ( if any ): ≤500W

Electric magnetic valve: DC 12V,  pressurized valve and un-pressurized valve are available for selection

   Operation pressure of pressurized valve: 0.02~0.8 MPa, suitable for city water supply

   Operation pressure of non-pressurized valve: 0 MPa, suitable for cold storage tank or low pressure water supply.