Search: Posts Made By: Astuff
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02-03-21, 02:42 PM
Replies: 4
Views: 185
Posted By Astuff

Trane uses a B instead of the standard C so...

Trane uses a B instead of the standard C so either thermostat should be fine. Note Nest with silver face does not support Y2 with a heat pump.
01-17-21, 08:12 AM
Replies: 8
Views: 295
Posted By Astuff

First you need to go with the outer letters as...

First you need to go with the outer letters as you have a heat pump.
The old thermostat had a B for the blue wire. This would be C on the new thermostat.
The black would go to E with a jumper to...
01-01-21, 12:56 PM
Replies: 14
Views: 429
Posted By Astuff

If you have two thermostats/zones then normally...

If you have two thermostats/zones then normally the thermostats do not directly connect to the Aquastat. Please verify where they actually connect to.

For that Aquastat the first T is W, the T/3...
11-20-20, 11:21 PM
Replies: 2
Views: 125
Posted By Astuff

Generally a new panel should have new breakers. ...

Generally a new panel should have new breakers. Some panels specifically mention that. They are not that much and provide peace of mind.
11-05-20, 03:33 PM
Replies: 4
Views: 207
Posted By Astuff

Zip-tying to conduit is commonly done but...

Zip-tying to conduit is commonly done but technically a violation if your landscape wire is for power, not control.
10-18-20, 10:17 AM
Replies: 13
Views: 417
Posted By Astuff

With Nests and zoning you normally need a C wire...

With Nests and zoning you normally need a C wire to provide power. If you don't have an extra wire then you can re-purpose the G wire for C without losing much functionality.
10-03-20, 01:41 PM
Replies: 9
Views: 405
Posted By Astuff

This should be the relevant NEC section. Keep in...

This should be the relevant NEC section. Keep in mind "grounded" is their word for neutral.

200.2(B) Continuity. The continuity of a grounded conductor
shall not depend on a connection to a...
10-03-20, 10:04 AM
Replies: 9
Views: 405
Posted By Astuff

OK only if this is the main panel (service...

OK only if this is the main panel (service disconnect) and the panel label states that neutrals are allowed on grounding bar. There are some boxes that have a strap connecting the two bars so either...
09-30-20, 07:04 PM
Replies: 9
Views: 248
Posted By Astuff

Not a DIY as the refrigerant is regulated....

Not a DIY as the refrigerant is regulated....
09-12-20, 02:32 PM
Replies: 6
Views: 245
Posted By Astuff

The only thing you are missing is that you may...

The only thing you are missing is that you may have to move 1/2 slot down depending on where your current breaker is. Hard to explain but a GE full size breaker spans two 1/2 slots but can only be...
09-10-20, 03:24 PM
Replies: 5
Views: 644
Posted By Astuff

Same as...

Same as https://www.doityourself.com/forum/boilers-home-heating-steam-hot-water-systems/556615-help-triple-aquastat-wired-incorrectly-thermostat.html and...
08-17-20, 08:46 PM
Replies: 2
Views: 127
Posted By Astuff

That looks like MC/AC/Flex only. NM won't usually...

That looks like MC/AC/Flex only. NM won't usually fit without removing the outer sheath as the hole is too small.
08-02-20, 08:38 AM
Replies: 6
Views: 413
Posted By Astuff

Those old thermostats are a nightmare. Similar,...

Those old thermostats are a nightmare. Similar, but different one here: https://www.doityourself.com/forum/heat-pumps-electric-home-heating/589770-lennox-mercury-nest.html


Lennox - color -...
07-28-20, 10:22 AM
Replies: 6
Views: 257
Posted By Astuff

If a heat pump you also need the O wire (usually...

If a heat pump you also need the O wire (usually orange) if you want cooling.
07-11-20, 11:33 AM
Replies: 5
Views: 229
Posted By Astuff

You probably can't use a knock-out on the left...

You probably can't use a knock-out on the left side of the panel as that is where the service conductors come through.
07-09-20, 07:16 PM
Replies: 2
Views: 222
Posted By Astuff

It's 24vac and yes, C will power a smart...

It's 24vac and yes, C will power a smart thermostat without issue. Note the other thermostat cable is for the outside compressor and goes to Y and C. Two wires will go under each of these screws...
07-09-20, 07:12 PM
Replies: 2
Views: 320
Posted By Astuff

You have a heat pump so follow those letters and...

You have a heat pump so follow those letters and program the new thermostat that way.
white - aux
green - G
blue - C
yellow - Y
orange - O/B
red - R
06-23-20, 12:26 PM
Replies: 16
Views: 592
Posted By Astuff

There is the anecdotal story how that if a knife...

There is the anecdotal story how that if a knife falls it can short out on a standard North American plug. EU plugs won't do it as they are recessed. UK plugs are almost always ground up. The...
06-12-20, 03:53 PM
Replies: 6
Views: 732
Posted By Astuff

Yes, your furnace contains a variable speed...

Yes, your furnace contains a variable speed blower motor but a variable speed is mostly for marketing. To use the variable speed indoor blower function you need a supported Amana thermostat and an...
06-04-20, 09:31 AM
Replies: 4
Views: 375
Posted By Astuff

Yes, adding the blue wire is the right thing to...

Yes, adding the blue wire is the right thing to do. Two wires under the C screw is fine.
05-30-20, 10:02 PM
Replies: 2
Views: 215
Posted By Astuff

Found manual and states 120/208 or 120/240 @ 20...

Found manual and states 120/208 or 120/240 @ 20 amp or 120 @ 30amp. Bulbs appear to be wired for 120v so needs neutral.

Wiring diagram shows Green, Black, White, Red for cord connections. Using...
05-30-20, 12:16 PM
Replies: 6
Views: 217
Posted By Astuff

I've seen lots of damaged extension cords. Not...

I've seen lots of damaged extension cords. Not just the wires but the ends too. Why do so many have black scorch marks on them? Many others have the ground pin broken off, mostly intentionally.
05-15-20, 04:43 PM
Replies: 14
Views: 749
Posted By Astuff

This is from NEC 310.10(H)(1)

This is from NEC 310.10(H)(1)
05-15-20, 07:58 AM
Replies: 14
Views: 749
Posted By Astuff

Yes, path leads to the same place. Parallel. ...

Yes, path leads to the same place. Parallel. It's not that it won't work but it is a code violation. NEC must have found that it causes safety issues.
05-13-20, 01:54 PM
Replies: 1
Views: 420
Posted By Astuff

If you have 24vac on Y but 0 on T1 then the...

If you have 24vac on Y but 0 on T1 then the pressure switch is open. You need to call a HVAC tech.

The contactor is for the compressor, not the fan as the board controls that.
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