Summary of Contents for Potterton Solar Thermal Domestic Hot Water System Solar
Page 26
No display at solar differential temperature controller Is the 230/240V~ power Correct any wiring faults supply correctly wired Is the 230/240V~ power Switch on power supply supply switched on Has thermal cutout Reset thermal cutout. on cylinder operated Investigate cause of operation (unvented systems only) Is the 230/240V~ power supply at the controller...
Page 27
Pump symbol on controller rotates but pump does not operate Is controller to pump connection correct and secure Is the pump siezed Pump fault Replace pump Displayed temperatures on controller vary greatly over short time intervals Seperate sensor cables from Are sensor cables laid alongside mains voltage cables...