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  1. General DIY Discussions
    I have a split system 2.5 ton HVAC unit. I have a NEST thermostat I started getting error E 183 two weeks ago and the A/C blower shuts off I tried sending 24 volts straight through the A/C contactor + wire, which I did to test the system when I first installed 6 years ago, and instead of...
  2. Roofing/Siding
    Hello, I have this corner/angle on the roof where birds like to nest. What is the best way/process to seal it off? Thank you
  3. HVAC
    I have an A/C unit that is currently wired to my nest thermostat using 4 wires. No Common wire. there is an unused wire in the bundle of wires. Can I simply connect it to C on the A/C unit and then to C on the thermostat to add a common wire?
  4. HVAC
    Hi all. In a traditional stick built house in cold Maine I wish to install one Nest thermostat and tie it into the Simplisafe system in order to be able to "pre-heat" the house for relative comfort upon arrival in winter. The house has three stories, but it seems clear that the top floor with...
  5. Home Automation
    Hi, I have a Nest system with several items on it, and would like to add one or a few light switches that I can control from within the Nest app. I only need basic controls like on-off; dimming would be nice. I don't need hue control or fancier features. What products do you recommend? I...
  6. HVAC
    Hi all, I am still having issues with my furnace and Nests. And I would love some feedback on this one. My furnace is oil fired, Buderus Logano G115, which has 4 zones and separate hot water unit. The zone relay is an Erie SR-601. I currently have 4 Nest E thermostats hooked into the system...
  7. HVAC
    Hi all, In relation to this post: https://www.diychatroom.com/f17/erie-sr-601-goes-sleep-647863/#post5703197 My Erie SR-601 zone relay is now overloading more than ever. It definitely needs more juice to power all the nests. How do I go about adding/replacing the transformer in the relay? Any...
  8. HVAC
    Hi all! Newbie here hoping you all can help me out. I am stuck with a problem. So I moved into a 15 year old house a number of months back and have run into some issues with my furnace and thermostats. My furnace is oil fired, Buderus Logano G115, which has 4 zones and separate hot water...
  9. HVAC
    I would like to replace my old thermostat with a Nest thermostat. Could someone please help me figure out what type of HVAC system I have based on this wiring photo? Specifically, I need to know if I should treat the "O/W2" as an O or a W2, the "Y/Y2" as a Y or a Y2, and the "W/W1" as a W or a...
  10. HVAC
    Hoping someone, somewhere can help me with this issue I've been having with my furnace and/or my Nest thermostat. I bought a house in July 2017. The Nest thermostat was here when we moved in so we learned as we went. This winter, especially this last month, our furnace/Nest has failed so often...
  11. HVAC
    Hi everyone I was wondering if I could get some help with this wiring diagram I am trying to wire up the nest thermostat from this existing one. I know the I have both electric heating and cooling, but not sure which wire is which since the both on top and bottom of each wire there is labeling...
  12. HVAC
    So I had a 3rd Gen Nest installed recently, but I'm having a couple issues: 1. The fan keeps even running after the heat has reached the desired temp. 2. Even with the thermostat set to off, the fan keeps running. Here are pics of the old thermo wiring and the new Nest. I'm in a condo so I'm...
  13. HVAC
    Hello friends, I hope everyone is doing well. I was wondering, can I replace this thermostat (Model Robertshaw 9600) with a Nest or similar smart learning thermostat? Or is the design/technology that I currently have too old?
  14. HVAC
    Hello: I have a Amana AMVC 96 2 stage furnace, and VisionPRO IAQ... along with an Aprilaire Model 800 humidifier and Venmar Constructo 2.0 HRV. I live in Ottawa Canada, and the HRV also vents the bathrooms (only ventilation). I haven't been loving the IAQ, (have replaced the original...
  15. HVAC
    What is the forum's thoughts on installing a nest stat with a 1c2h heat pump?
  16. HVAC
    I have a Carrier system in my home, with 2 remote sensors. 1 of these is the "main thermostat" and the other is a remote sensor. These go to a central Carrier control panel, which goes to the HVAC system, with traditional wiring (Y, C, G, Rh, W, etc.). The sensors have the following: - V+ -...
  17. HVAC
    Hi Gang, I should have started here. But didn't. Oh well. I have a Trane Air-Air Heat Pump with a Trane Electric Furnace with two stage electric heat strips - one 5KW, one 10KW, with an old Trane "Weathertron" manual mercury thermostat with some switches for fan auto/on, heat/Cool/Off, and...
  18. HVAC
    Hey everyone. As the title says I want to install Nest and I do not have a C wire currently. I want to install a C wire but I need to get some advice. I believe I will be able to pull a new wire without problems down to the furnace from the thermostat. I was going to get an 18/5 wire. My...
  19. HVAC
    Hello folks. I'm in the process of replacing an aging battery-powered programmable t-stat with a new Nest unit. I have read some reviews stating that the best results are had by using a "C" wire to keep the unit with enough power. Nest says you don't have to use one, since the unit scavenges...
  20. HVAC
    Hey, guys. Got an Amana 3-ton variable speed split system installed for the upstairs of the house last week. Fired it up for the first time on Saturday night. With the fan set to "on", I get a nice slow air movement. But as soon as heat is called for, it's like a wind tunnel hits. The way I...
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