Caleffi Solar Pump Station with a Solarhot Differential Controller. This is a full featured differential control capable of handling multiple loads and energy monitoring. We have the ability to download performance data with SD card to a computer or laptop.
Inputs:
• up to 5 Temperature sensors (PT1000 type) – 3 included with control
• Choice of collector sensor location (external or internal to collector)
• 2 Analog Grundfos sensor inputs (Flow and Pressure)
• 1 Impulse flow meter input (for energy measurement)
Outputs
• 2 Pump outputs (Standard or variable speed)
• 1 Extra output (to control back-up heat, heat dump…)