Final Step of GeoThermal Installation “Walk Thru”
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Today we’re at the North Charlotte County Park’s Aquatic Center. We’re going to explain the operation of the whole GeoThermal heating system (watch the video above to see everything in action).
First, we have to make sure our heaters have enough water flow, and that starts with the bypass valve. When we close the valve, it diverts the water down a pipe to our heaters. After the water’s heated, it’s returned to the valve, then sent out to the pool.
We installed six of our largest heaters, the PH-215’s, which require 50 gallons of water per minute from the pool. To ensure we have proper water flow, we’ve installed a booster pump. When the heater calls for heat, it automatically turns on the booster pump and assists with pumping enough water to the heaters.
Though there are six heaters, you only need to make changes to heater one, which is the lead unit; the rest are connected and will follow suit. If you are receiving an error code on the heaters, it’ll typically be one of three things: FLO means your filter pumps aren’t running, HP5 stands for ‘high pressure five times’ (meaning the filters are dirty), and LP5 means there’s an issue with the well pump. If any other error arises, your best bet is to call us and have one of our repair technicians come check it out.
For the size of this pool (670,000 gallons), three 15 horsepower filtration pumps are required. A VFD or variable frequency drive controls each pump. The VFDs allow you to increase or decrease the speed of the pumps based on need.
We get lightning storms in the summer, so be aware that if lightning strikes close enough to the outside supply well, it can trip the breaker. You’ll get an LP5 error on the heater if this happens.
We hope this helped you learn more about your heating system. If you have any questions, feel free to reach out via phone or email. We would be happy to help you.