It's been about a year since I went through this, a few months after I installed the solar. I'm pretty sure it happened at high speed also, I should put the VRV back in and check my memory, maybe I'll do that this weekend.
Even at low speed, although I can intuitively accept it more easily, I have trouble explaining exactly why any part of the pressure side would be below atmospheric in a completely closed system with the jets having noticeable pressure.
Oh I'm not challenging the physics - after all if it ain't physics it's philosophy... It's just a matter of phiguring out what's going on, how the system might be compromised, I have reused pipe with fittings. Maybe there's a small leak on the suction side that'd explain it...
Regardless, I plan to run the peristaltic pump only while the pool pump is on low speed, so it sounds like this bodes well for injecting the CL into the down pipe.
Even at low speed, although I can intuitively accept it more easily, I have trouble explaining exactly why any part of the pressure side would be below atmospheric in a completely closed system with the jets having noticeable pressure.
Oh I'm not challenging the physics - after all if it ain't physics it's philosophy... It's just a matter of phiguring out what's going on, how the system might be compromised, I have reused pipe with fittings. Maybe there's a small leak on the suction side that'd explain it...
Regardless, I plan to run the peristaltic pump only while the pool pump is on low speed, so it sounds like this bodes well for injecting the CL into the down pipe.
