Question about Intermatic Electrical Supplies
Posted by Anonymous on
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Posted on Jan 02, 2017
That is correct.
LINE 1 (incoming hot wire from source or circuit breaker) connects to terminal #1 then jumps over to terminal #3 using the _same_ gauge wire.
LINE 2 (other incoming hot wire from source or circuit breaker) connects to terminal #2 then jumps over to terminal #5.
The LOAD (outgoing to water heater) then connects to terminals 4 and 6.
Posted on Aug 11, 2010
SOURCE: My EH40 is not supplying
I have an EH 40 sitting in front of me right now.
The link above shows correct 240V water heater timer wiring for EH40
Link below shows an overview picture of EH 40 connected to 240V water heater
EH40 has a 240V clock.
Terminals 1 and 2 send power to the 240V clock
Power to the clock terminals do not pass through timer to any other terminal
How to wire EH40 for 240V
240V line has 2 hot wires from breaker box.
Lets call these wires Hot1 and Hot2
These wire are interchangeable on 240V circuit
Hot1 connects to terminal 1 with a jumper to terminal 3 (or connect to 3 and jumper to 1)
Hot2 connects to terminal 2 with a jumper to terminal 5 (or connect to 5 and jumper to 2)
240V circuit has 2 wires going to the Load
Let's call these Load1 and Load2
These wires are interchangeable on 240V circuit
Load1 connects to terminal 4
Load2 connects to terminal 6
If the timer is still not working, go back to the breaker and test if it is delivering 240V to the circuit.
If breaker is bad on one leg, then the circuit can test with live power, but the 240V appliance will not work.
240V circuit requires both legs of 240V before circuit is complete.
Posted on Oct 25, 2010
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