So what I was suggesting was to move the solar valve and both check valves so all are above water level. That should not require any additional piping. It is basically moving the H ~9' higher.
Re: oscillation in pool loop with above-roof solar panels
So what I was suggesting was to move the solar valve and both check valves so all are above water level. That should not require any additional piping. It is basically moving the H ~9' higher.
Mark
Hydraulics 101; Pump Ed 101; Pump/Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
18'x36' 20k plaster, MaxFlo SP2303VSP, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater
Re: oscillation in pool loop with above-roof solar panels
The house is on a hill, with the main floor level with the pool. The equipment is in a room in a floor below. There is no easy way of moving the position of those valves.
This didn't use to be a problem. I am not sure when or how it started. I made small changes here and there. For instance, I added a separate loop, with two diverter valves, to reuse the same pump, filter, heater, and chlorinator, with a hot tub, so some of the pipes changes. Evidently some of those changes were enough to create the oscillation.
30'x16' (irregular) indoor gunite/plaster pool, 10k gal,
Autopilot DLG-220 with SC-48 cell, 3/4 HP recirc pump,
solar panels, heat exchanger from 200 kBTU/hour Viessmann boiler
Re: oscillation in pool loop with above-roof solar panels
OK then pictures might be useful.
Mark
Hydraulics 101; Pump Ed 101; Pump/Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
18'x36' 20k plaster, MaxFlo SP2303VSP, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater
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