UPS specification for pool pumps Discussion ThreadUPS specification for pool pumps Electrical Advice
Background
A pool installation uses two single phase pumps to circulate the water (through a boiler, and filtering, dosing etc). The pumps are controlled via contactors in the pump house, plus a remote emergency stop close to the pool. The location is somewhat rural, and prone to power cuts, usually of a short duration. If there is a power cut, the pumps can be tripped until someone notices - usually when the pool is planned to be used - e.g. the next day or after several days. By which time the water can be too cold or out of spec re dosing etc.
Question
I've been asked would it be possible to put the pumps on a UPS, so short duration power cuts don't trip them. I can see issues with the contactors and emergency stop if not properly thought out, but that aside, I'm wondering about the UPS rating. The type label for the pumps is attached, but I'm thinking the UPS would need a somewhat higher rating (than 2x what is on the label) to cope with starting currents, but UPS specs are a bit beyond my expertise (I haven't a clue).
I'd also be interested in any comments as to why it might not be a good idea (I don't especially want to do it)!
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UPS specification for pool pumps for the original thread on Electricians Forums
Background
A pool installation uses two single phase pumps to circulate the water (through a boiler, and filtering, dosing etc). The pumps are controlled via contactors in the pump house, plus a remote emergency stop close to the pool. The location is somewhat rural, and prone to power cuts, usually of a short duration. If there is a power cut, the pumps can be tripped until someone notices - usually when the pool is planned to be used - e.g. the next day or after several days. By which time the water can be too cold or out of spec re dosing etc.
Question
I've been asked would it be possible to put the pumps on a UPS, so short duration power cuts don't trip them. I can see issues with the contactors and emergency stop if not properly thought out, but that aside, I'm wondering about the UPS rating. The type label for the pumps is attached, but I'm thinking the UPS would need a somewhat higher rating (than 2x what is on the label) to cope with starting currents, but UPS specs are a bit beyond my expertise (I haven't a clue).
I'd also be interested in any comments as to why it might not be a good idea (I don't especially want to do it)!
UPS specification for pool pumps for the original thread on Electricians Forums
