Dag Unknown Restored Home Controller, Other, Size A

Dag Unknown is a wall-mounted controller for split pressurized solar hot water systems in the Restored Home category. Its listed color is Other and its size is A. Front controls have 6 push buttons, and temperature measurement accuracy is ± 0.1oC. The collector measurement range is -10oC to 220oC; the tank range is 0oC to 110oC. It supports 3 pump units and has 5 sensor inputs plus flow metering.

Included are 1 pcs Pt1000 collector sensor rated to 500oC with silicon cable rated to 280oC, 4 pcs NTC10K B3950 tank sensors rated to 135oC with PVC cable rated to 105oC, and 1*FRT rotary vane electronic flow meter. Four relay outputs serve circulation pumps and backup heating, and one PWM variable-frequency output is switchable 0-10v.

The relays are 2*Electromagnetic relay Max.current 1A, 1*Semiconductor relay Max.current 1A, and 1*Electromagnetic relay Max.current 10A. Ambient operating temperature is -10oC to 50oC. Power consumption is < 2.5W, and rated impulse voltage is 2.5KV.