Solar PV Not Diverting to the Cylinder

When there is an problem with diverting Solar PV to an iHP X, find the possible causes and solutions here.

Possible Issues

• “Use Spare PV to Heat Tank” not enabled
• CT Clamp incorrectly installed or not connected
• Incorrect cabling to current reader/controller

Solution

• Enable spare PV option in the PV Diverter Schedule
• Ensure CT clamp is:
  • On the correct cable
  • Oriented toward mains fuse
  • Connected to Current Reader
• Use full 8-conductor Cat5e/Cat6 cable from Current Reader to controller (J55 or mezzanine board zoneBus Out)