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  • Pump Controller
tank 270330

Normal operation

When a temperature differential between the collectors and the bottom of the hot water system is reached, the microprocessor will activate the circulation pump which will circulate the water through the system.  The cooler storage tank water will pass up into the collectors and the warmer collector water will return into the storage tank.

The pump will continue to run until the lower temperature differential is observed (See Chart for the pump on and off temperature differentials)



Model

Controller

Pumping Temperature Differential

9°C Pump On
5°C Pump Off

Over Temp Off

76°C

Number of Sensors

2

Gauge Temperature Range

40°C,50°C,60°C,70°C
(Below 40°C no lights)

Temp off set

5°C

Start up cycle time

10 Seconds

Collector Sensor Colour

Yellow

Cold Sensor Colour

Blue

Max Pressure

Not Applicable

Pump Draw Max.

0.41, 0.83, 1.25, 2.1A

Pump Power

5,10,15 or 25 Watts