Question about Pentair Minimax NT Heater
If you only have 75VAC coming into the transformer I would be looking at the power supply and the fuse / circuit breaker.
If you are direct wired and your unit is 220VAC cycle BOTH breakers OFF and then back on. Measure voltage at the CB connection checking for 220 - 230VAC on the CB line out terminals. Having one breaker tripped can cause the 75 VAC to the transformer.
The transformer has 4 inputs red to black = 120 VAC
Black/Wht - Red/Wht = 120 VAC
You should read the Orange and White wires on P4 = 24VAC
Since you did not include the model number I do not know if yours is the dual voltage or single voltage unit.
Everything I passed to you is the single voltage version. See this manual link below. There is a retrofit kit for some reason applicable to this heater. See the parts list in section G. / page 10 of the file.
I do not know why there is a retrofit kit available. You may want to find out if this a warranty or recall issue.
Pentair Contact info:
Pentair Pool Products, Inc.
1620 Hawkins Ave., Sanford, NC 27330 • (919) 774-4151
10951 W. Los Angeles Ave., Moorpark, CA 93021 • (805) 523-2400
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Posted on Sep 06, 2010
There are a lot of things you can do, please find the manuel below go to this link read the manuelsee section 4,5 and 6.
Posted on Sep 05, 2010
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Posted on Jan 02, 2017
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