We have a jacuzzi Vectra II 1988 hot tub. when we turn on the air it blows so hard the water blows out of the tub even if it is not full. it does NOT trip the breaker. It is converted to 220.
Converting a '88 Vectra to 220 is no big deal and there is no way the pumps or the blower is getting 220 volts, only the heater is affected. But JD is right in a sense, if the blower had been getting 220 and it is a fact that the air blower motor is only a 110 volt rated motor, it would spin faster, making stronger air flow, but it would be short lived! Burn out quickly!
its possible that if the blower motor failed some time in the past, it could have been replaced with a larger replacement motor? You can downsize the motor or splice in a tee with an adjustment... To allow some air to not be blown into the air channel of the tub? Like a bypass into the equipment cavity?
When you say it's converted to 220 volts , did you just change the voltage on the pump motor or did you also change the voltage on the blower motor as well ?? reason i ask is you might be feeding a 110 motor with 220 power it's turning twice as fast so it makes too much air , might be your cause ?
SOURCE: hot tub blows 50 amp breaker after about two
this could be a bad heater element. easy way to tell is to fill tub all the way to the normal water level turn power off open control box and disconnect wires going to heater be sure not to break leads off when you disconnect so if this is not the problem you can hook back up after disconnecting make sure wires are not touching any thing and turn power on if it stays on you need a new heater element, if not try unplugging things from box one by one until u find the one that allows the breaker to stay on.
SOURCE: hello,I have an old jacuzzi
hi,
ok so when the pump is on high and the heater is running it doesent trip? you didnt say if it did. undo the heater leads so the pump is isolated completely. run the pump on the control centers gfci and see if it trips. if it does then try wiring directly - with an extension cord to a plug with a gfci in your house and see if it trips the gfci in your bathroom. if no trip inside house then bypass tubs gfci and run it with heater and pump through your bathroom gfci. if no trip then try and replace the tubs gfci, it gets pretty humid in the control center and gfci's have a semiconductor which which do fail after years of rough duty like that. if it trips the gfci in your house with the heater again it has a cracked heater element. craigslist always has old hot tubs and parts. you might have to buy a whole used old hot tub but that may be cheaper than a new heater box.
later
jm
1) Safety question first
Why hasn't the GFCI tripped.
If your spa is not protected by ground fault., then you are at serious personal risk.
http://waterheatertimer.org/How-to-wire-GFCI.html#arc-fault
2) Replace the element.
http://waterheatertimer.org/How-to-test-water-heater-element.html
3) If element is cracked, it can continue heating to ground wire, causing runaway heating.
This applies to spas, and water heaters of all type.
If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7
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