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I have a 300GAL Spa that was installed on a 120v 20amp two pole. I had a 240v 50amp breaker that I replced with two 120v 20amp breakers, we wired the tub and the pump works but when the heater is turned on it trips the breakers. The only number I could get off the switch housing unit was AP72L

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  • Apollo Master
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What is the amp rating for the tub? What voltage are you actually running the tub on, 120 or 240? Is the 120v 10amp two-pole then the switch rating since you mention a switch? If there is no amp rating on the control what is the wattage of the heater element and how much horsepower is the pump rated for?

In the end it seems likely you do not have high enough breaker ratings to carry the pump(s) and the heater at the same time. Depending on the electrical circuit wire size and the breakers and switches you may need to make some adjustments or replace some of the components but I'll/we'll need more details on your existing setup and the tubs electrical demand to help you further.

John

Posted on Mar 29, 2011

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1 Answer

Are the timers on the Hessco tub and spa hooked up as 220 or 110


Is this a spring-wound timer?
You rotate the timer knob, and it begins ticking?
http://waterheatertimer.org/Countdown-timer-horsepower-ratings.html
http://waterheatertimer.org/images/Woods-spring-wound-277.jpg

This type mechanical timer will work with any voltage.
What voltage line do you have?
240Volt has 2 hot wires. Connect 1 hot wire to timer. Timer turns off 1 hot wires, and that action will turn off 240V circuit.
120V has 1 hot wire. Connect this hot wire to timer, and it will turn off 120V circuit.

Be sure you have GFCI breaker or Arc fault breaker on spa circuit.
http://waterheatertimer.org/How-to-wire-Arc-Fault-breaker.html
http://waterheatertimer.org/How-to-wire-GFCI.html#2-pole-gfci
Add a comment with more information for best possible answer

Apr 26, 2013 | Pool & Spa

1 Answer

I have a Maytag dryer model MED5740TQ0 that won't start. Dryer was recently moved to a new location. House was being remodeled so plug and breaker had to be installed. Plug is a 3 prong and dryer had 4...


If you are only getting 120v to the dryer, you still have a breaker tripped. It should be right next to the single pole 30. It takes 2 breakers to get the 240v you need to run the dryer. Try resetting another breaker expecially the ones marked 30amp. You do need to get a double pole breaker installed even for safety reasons.

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Can a 240 volt outlet be ran off this breaker and can a 240 volt electric baseboard heater be wired to it or should i use double pole breaker?


You need 240 breaker:
Notice that your 240V breaker is twice as wide as regular 120V breaker.
Notice that both switches are tied together on 240V breaker, making this a double-pole breaker.
For more information about breakers and 120-240V circuits:
http://waterheatertimer.org/See-inside-main-breaker-box.html
http://waterheatertimer.org/B220C.html
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1 Answer

How do I wire an intermatic t-103 timer switch


The T-103 has a 120Volt clock motor

From there, the wiring can go two directions depending on your Load voltage (load is the fan, light or motor that timer turns on-off)

Here is a link that shows exact wiring:
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#T103

When wiring the T-103, steps 1-2-3 are true for 120V or 240V installation:
1) A white Neutral wire is always connected to terminal A (Neutral wire connects to Neutral busbar in breaker box)
2) A black Hot wire is always connected to terminal 1 >> this hot wire can come from 120V or 240V breaker
3) Black wire going to Load (fan, light, motor) is always connected to terminal 2
The following step is true for 120V Load
4) if Load is 120V, then white wire from Load connects to terminal A
The following steps are true for 240V Load
5) Only the neutral wire connects to terminal A as described in (1
6) The second Black hot from breaker box (240V has 2 hot wires) connects to terminal 3
7) The second White going to Load connects to terminal 4

Here are 2 more links that show how 120V and 240V circuits are wired
http://waterheatertimer.org/See-inside-main-breaker-box.html
http://waterheatertimer.org/B220C.html

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1 Answer

Hello can i get the instuctions for tork timer model 1191 please?


According to Intermatic conversion chart, Tork 1191 is same as Tork 1101.

Link to 1101 .pdf
Link to Tork manuals

Tork 1101 is dial-type mechanical timer. Dark pins turn OFF. Light pins turn ON.

Clock motor is 120V
Hot black wire from breaker connects to pole L
Neutral white wire from breaker connects to pole X
Removable bridge connects poles L &1 together
If bridge is gone, Hot from breaker must also connect to pole 1
Black wire to Load connects to pole 2
White wire to Load connects to pole X

Timer can control 240V Load if removable bridge between poles L and 1 is taken out.
Timer clock is still 120V: so 120V Hot still connects to pole L and neutral from breaker connect to poles X
240 V circuit has two hot lines: Hot line 1 and Hot line 2
240 volt Hot line 1 from breaker connects to pole 1
240 volt Hot line 1 to load connects to pole 2
240V Hot line 2 goes directly to Load and does not connect to any pole

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I am trying to connect my new pool motor. I have 3 wires coming out of the box. a black one 120v a white one 120v and a copper (ground). How do I test if it has 240v? How can I connect the motor so works....


Most probable cause is that you have the black and white on the same phase, and that's why you have 120 volts from black to ground and from white to ground, but 0 across black and white. If the motor ran on 120 volts, why are you connecting it to 240?

In any event, in order to get 240 volts, move the white to a circuit breaker that is directly above or below the breaker that feed the black wire. You are supposed to use a 2 pole breaker for 240 volts anyway

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1 Answer

Hooking up a Hot tub


Everything above tells me this is 120V unit...if thats the case a single pole breaker is sufficient. Also by what you have written, a 15 amp breaker should suffice.

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2 Answers

I have 2-240V (4.2V) basebaord heaters, Need Wiring Diagram


you get 120V from any phase (black OR red) to neutral
you get 240V from phase to phase (between black and red) and in this scenario you don't need the white wire.
So for you, connect the black to 1 pole of the breaker and the red to the other pole, connect the green wire to the ground strip and you are done.
A white wire is NEVER connected to a circuit breaker anyway, it is a grounded wire, it would be like connecting a green wire to a black wire, bad idea.
the National electrical code specifies red and black wire color for 240VAC circuits.
As Ask Hank mentionned, nothing wrong with 10/3 wire.

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