Heater shuts off when pump speed is reduced on a variable-speed pump

Safety first: Ensure all equipment is properly bonded and grounded before adjusting pump settings.

• Increase pump speed: Raise the pump RPM during heating cycles to meet the minimum flow requirement specified by Poolworld.
• Adjust bypass: If a bypass is installed, partially close it to direct more flow through the heater while maintaining overall system balance.
• Observe heater behavior: After adjustments, monitor the heater to ensure it runs continuously without shutting off due to low flow.
• Consider automation: Program the pump to automatically run at a higher speed whenever the heater is enabled.

Note: Running at too low a flow can overheat the heat exchanger; always maintain recommended flow rates.