Question about UPM Hardware & Accessories
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Posted on Jan 02, 2017
SOURCE: Wiring installation
You do need a 208/240 volt supply from your service panel. The green is ground, white is nuetral, and the red and black should measure 120 volts each to ground or 240/208 between each other. It is normal for most breaker panels to supply 208/240 between adjacent insulators. If you are only getting 1/2 of that then the circuit breaker may not be straddling the insulator bar but be 1/2 notch out and both breaker pins contacting the same 110 supply.
Posted on Apr 16, 2007
You will have to have schematics from the old wiring diagram. Then you will have to confirm its consistency with actual old wiring before you can be sure that the wires run to the proper places on the old heater and a/c system. This sounds like a gas furnace and is simpler than a heatpump. Once you know what distinguishes the wires with the same color, you should label them and then you may call them a different color if they were wired with wrong wire colors. You may be in luck if you go to the furnace control box an look at the terminals.. They are usually labeled with a R for Red and W for white and Bl for Blue and B or Black. If you have other colors on these then it sounds that it was wired with wire spare wire by someone who knew what they were doing but neglected to leave a path for someone else follow.
You may be able to use a continuity tester of circuit tester to id these wires that are in question...
ie, once indintified, you can match with the requirements of the new stat.
Posted on Jan 13, 2009
In your wall box you should have two cables these wires are coming from. The cables are 3 wire w/ground so that you can use 2,3,and4 way switches in the house.
One cable is a line cable, the other is a load. In other words, there is one cable with incoming voltage, and the other cable is a follower, or a cable with wires to pass current along to the next wall switch.
The dimmers are very finicky. One good spark from touching the wrong wire will immediately short it out.
Without knowing whether you are in a 2 or 3 way switch situation it is impossible to accurately tell you which connect to what.
If I were you I would go to Lowes or Home Depot and buy a good wiring book (like Stanley) and go home and sit down and draw out your circuit.
Note that if these wires are for 2 or 3 way switches it changes things. But that book should help you identify it.
Posted on May 23, 2009
remove white switch one and connect to incoming white ground--all whites should be connected [hooked] together these are grounds-- switch 1 black from fan ,leave switch 2 red from fan ,switch 3 vanity black
Posted on Feb 22, 2010
Find the Hot wire:
Your switch has 2 wires. One of these wires is Hot, and one goes to load. Disconnect wires from switch. Turn on power. Do not stand on wet surface. Test each wire to bare copper wire. When tester lights up, that is Hot wire. The other wire goes to load.
Hot wire goes to Black timer wire
Wire to load goes to Red timer wire
White wire connects to white wires that are twisted together
Bare copper wire connects to Green wire from timer
How to connect white wire to white wires that are twisted together.
a) Strip white timer wire so you have 1-1/2 " of bare wire. Stranded wire will wrap around other wires easily.
b) Remove wire nut. DO NOT UNTWIST wires.
c) Hold all whites together so bare copper lines up. Wrap stranded copper around the twisted wire.
d) Replace wire nut, or use larger wire nut. Twist real tight. Do not use tape. You can solder the connection.
e) When done, pull on white time wire to make sure it is held tight. Push whites back into box.
Posted on Sep 26, 2010
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