Which model of Pro 1? Can you provide the model of heatpump or schematic for reference? In my PRO 1's when configured to Heat pump mode, Y1 is...
An FL515 has 1" fnpt ports. At a flow rate of 15gpm through it you will get a pressure drop of 4psi across it. Can your system accommodate the...
Did you indicate where you are?
x2 Richard. Looks like an equipment ripout and replace to me.
Nice and clean, unlike Rio's 2 pools
my mistake the few hotubs ive seen had a two stage pump so that the water circulates 100% of the time. slowly to save $$ but some so the heater...
which grundfos? did you crack the front plug to burp the air from it while running?
The tub pump runs all the time right? Could you not take a 1/2" water feed from the pressure side of the hot tub pump thru the HP and return via...
As a Canadian location and non-residence and used equip, im pretty sure its a non-starter.
Much has changed with my shop plan. For the good. My shop is a long term lease and it is supplied with 240v single phase. I have built a 20hp...
Radiation Therapy Electronics Technologist. Electronics, Mechanical, Plumber, Machinist, IT rolled into one. Kawi 1200 ninja - built for fuel...
I don't think you "need" my relays if you have that SSR, but you can have em for mailing cost if you want them. The heat pump P terminal is an...
I have a couple spare 24Vdc relays from one of my HPs, I can mail you one. Connect the coil of a 24vdc relay to P and either V (-dc) or F...
Just noticed "P" on the 14 pin terminal is pump call. 30Vdc and drops to 0V when water is required by HP. ie - compressor on.
I am only showing the additional relay only with the Microtech control board. If yours is the Mark iV board then its n/a and tying another relay...
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