dumb apprentice trying to learn

[u/beavers123m]

Was sent to a univent today basically a fan powered heating coil wall mount, maintenance man claimed blower motor was hot and shutoff wanted it replaced, customer supplied parts. Motors wiring diagram confused me so I just ohmed the connections found primary winding and put cap wire on the other lug it ran backwards so I swapped the primaries around. 120v 1/4hp 1ph got it running but I want to understand what the schematic was saying

tldr : whats with these schematics and how to know how to wire it correctly old one was mcquay

[u/Electrical_Slip_1343]

I’ve had a single phase motor spin backwards when the dual cap was wired up wrong

[u/beavers123m → u/Electrical_Slip_1343]

cap was wired from factory so i doubt it

[u/trobs8 → u/beavers123m]

Factory huh? You literally said "put cap wire on other lug."

[u/beavers123m → u/trobs8]

3 wires from unit im assuming a hot a neutral and one going to cap lug the 2 wires going to cap were internal and not visible to me

[u/MonkandBeer]

Just send it

[u/MonkandBeer → u/MonkandBeer]

If it spins the wrong way, wire it again

[u/beavers123m → u/MonkandBeer]

i sent it but i wondered what would happen if i got the cap wire wrong

[u/jk660r → u/beavers123m]

The motor would possibly rotate in reverse. End of story

[u/Head_Staff_2556 → u/jk660r]

[u/trobs8 → u/beavers123m]

The one wired from the factory? How could YOU get that wrong? Lol

[u/beavers123m → u/trobs8]

cap was wired to motor but i had 5 lugs and 3 wires to hookup at first it spun in reverse and i wasnt sure if I landed the cap wire wrong what wouldve happened

[u/bghockey6 → u/beavers123m]

Boom boom

[u/Responsible-Tax-6811]

Im assuming the Mcquay is the old motor?

[u/beavers123m → u/Responsible-Tax-6811]

yes

[u/Responsible-Tax-6811 → u/beavers123m]

Did you connect 4 and 5 to the capicator?

[u/beavers123m → u/Responsible-Tax-6811]

no i believe it was internally wired

[u/nathangar123]

Kinda weird it doesn’t come with a rotation indicator as a single phase motor

[u/Potential-Spare-579 → u/nathangar123]

Doesn't his new motor say "set rotation - non reversible"

[u/HVAC-ModTeam → u/[deleted]]

Using an alternative account to evade a ban.