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Thermostat wiring I have a Frigidaire Model R4GA FWA and Central A/C system. I am trying to replace the thermostat with a programable Hunter model. I do not have the original wiring diagram and the old thermostat is no help. The wiring colors I have is Green, Red, Brown, Yellow, White and Orange-(not used). The terminals on the new thermostat are RH, RC, Y/O, W/B, G, and Y1.

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  • wlfpack1 Oct 22, 2008

    I'll give it a shot - Thank you

  • Anonymous Dec 13, 2008

    tengo un furnace que enciende normalmente,pero luego que se apaga el ventilador ,los quemadores se encienden pero al mismo tiempo se apagan y apagan el piloto.

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Your best bet and where i would start is to identify where the coulors are conected at the fernace. in the industry we use standard wireing coulors wher green is g for fan and red is rh=switched trans power for heating . rc=switched transformer power for cooling . now normaly there is only one transormer so you would put a jumper from rc to rh and conect the red wire from the furnace to eather of these.jumper installed. the y is your cooling witch is normaly the yellow wire. o on the stat is for a heat pump if you nead to energize reversing valve in cooling mode . w is first stage heating and this can be conected to eather brown or white youll have to check at the furnace to see witch it is . the final wire eather brown or white should be conected to c or 24v common witch you didnt say you see on the thermostat. once again
red to rc and rh
green to g
yellow to y
brown or white to w
brown or white to common or c


please post feadback hope i was of help

Posted on Oct 21, 2008

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How to turn hunter thermastat model 44134 on


This question needs to be reclassified with aftermarket programmable home thermostats--not fans.

Hunter 44134

Getting the wiring connections correct to the terminals in the back plate is essential. Understanding better which colored wires do what functions for your particular brand and model of HVAC gear proves essential, too: "That's the rub!"

Unlike the brilliant and wisely-instituted electrical code, a sensible common "code" for HVAC thermostat wires doesn't exist--each brand, and many models represented by such brands--may have their own peculiar wiring color conventions. HVAC techs also have noted the increasing numbers of brands and models in the market these days, as well--thus, they too may resort to online help threads concerning such issues. (Certainly, the wiring conventions for heat pumps differs also from that of a conventional heat/air setup.)

Unfortunately, many of Youtube's demonstrations from HVAC pros prove merely general info concerning HVAC systems--these may prove somewhat useful: Being merely general info, they're often not specific enough always for particular units, though. (This proves keenly true concerning thermostat wiring.)

Always switch off the circuit breaker for your HVAC system before proceeding with wiring. My system is a Goodman heat pump--it uses a five-wire thermostat setup: The 44134 model from Hunter doesn't feature a terminal in the back plate for the "C" wire for that. (The blue wire from my Goodman heat pump is the "Comm" or "C" wire--that's very confusing in it's own way--the "B" terminal on the back plate for the 44134, and most other programmable thermostats, often is used with B-coded wires for other manufacturers' HVAC units--generally, "B" wires for such units are blue, as well--beware of reliance upon wiring colors!)

Hunter's FAQs clearly indicate that the "C" wire connection isn't always necessary, nor appropriate, for their thermostats--their 44134 is one isn't an exception. I twisted on a small, gray wirenut onto end of my blue Comm wire, further securing that better with electrical tape. (Simply wrapping the Comm wire well with electrical tape should prove also sufficient.)

Unless you know your system's peculiar wiring very well (that is, you're likely an HVAC tech), don't try to connect a Comm wire to another terminal on the back plate for the 44134--you'll likely ruin your thermostat (perhaps along with some other HVAC electronics): You may need then to get an HVAC tech out, after all!

As indicated above, don't merely "match" wiring colors (as a woman might for interior decorating or remodeling)!: This proves a continuing and overly common, comical mistake! Prove instead somewhat skeptical of thermostat wiring colors! A Biblical scripture applies: "Be as wise as serpents!" Take your time to get wiring connections right!

I've noted that the 44134 unit relies totally upon 2 AA batteries (not supplied in the package)--those must be in good working order and oriented correctly--otherwise, your thermostat and HVAC system won't function. Furthermore, the control unit may be easily removed from the back plate--thus allowing "easy-chair" configuration--again, HVAC and fan functions will halt immediately--the connected unit proves necessary for continued function.

Hunter also points out (on their packaging as well) that the 44134 (and, many other (if not all) Hunter thermostats) won't work with baseboard heating systems. Hunter's site FAQs prove too sparse--some may prove keenly useful, nonetheless.

I can't yet get my heat pump system to work with Hunter's "always on" fan switch setting--the rightmost "Auto/On" setting for that bottom-mounted switch at the right. Perhaps a jumper wire proves necessary in the back plate terminals--somewhere. (I've noted this also for Hunter's common 44277 model, as well.) I glean perhaps that somehow invoking the "G" terminal proves necessary. As usual, investigation proves warranted.

Definitely note the "Cool, Off, Heat" switch on the bottom left of the unit: Yeah, that's all too easy to forget. The Hunter 44134 doesn't provide any feature allowing automatic switching between heating and cooling--one must choose which function for the thermostat to control. If the switch is set to "Heat," cooling isn't possible--and, vice-versa.

For reference and troubleshooting, keep the manual and install instructions in a safe, memorable, and easily accessible place. Hunter does provide PDF manual versions online--installation instructions prove lacking online though--they're not in the user manual, either. Unfortunately, Hunter doesn't upgrade it's PDF manual versions.

I glean that Honeywell units may prove generally more easily configurable than Hunter units. Nonetheless, configuring Hunter units proves far from impossible, though. Configuring Hunter thermostats prove perhaps not as "intuitive.": The formal user manuals provided by Hunter thus may prove more keenly necessary for their thermostats' configuration.

Getting personal help online from Hunter may prove somewhat difficult (that may have changed recently). A few years ago, I called customer support: A woman answered my wiring question very satisfactorily. (I noted a jumper wire connect to the terminals of my old manual thermostat--she indicated that the jumper proves unnecessary in Hunter units.) Hunter phone support hours prove somewhat limited--they're similar to traditional office hours.

As with most programmable thermostats, the Hunter is a PRC (Chinese)-fabricated general-purpose consumer circuitry device. As such, it's (overly) intended to be wired and configured by the user to provide correct function for many particular and compatible HVAC brands/models. Given the particular installation that may perhaps prove difficult. Given the general-purpose nature of such thermostats, a simple installation sheet of instructions can't always offer sufficient and correct answers.

Without the particulars of your HVAC system and thermostat wiring, it proves very difficult in some cases for Fixya and other DIY sites to provide correct answers. (Most DIYers ultimately do succeed with install and use of programmable thermostats, though.)

"Proust" thanks you for getting this far!: Perhaps some of my particular solutions here do prove useful to some of you--more nit-picking, detailed work and anecdotes (intended for specific brands and models) needs to be offered in this area....

Mar 17, 2013 | Dryers

1 Answer

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Did you try calling Hunter Tech support. I had same issue and the thermostat I had was not compatable with the system I had. They immediately recommended the proper model per the number of wires that were on the old thermostat. The 800# for Tech support should be on the package that the thermostat came in.

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make sure you have the jumper in place
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From what you describe you have a heat only system with no AC. If that is so, then you would wire it as follows.

Red wire = RC (leave the jumper in place)
Green wire = G
White wire = W/B
Blue wire = is unused because the thermostat is battery powered and does not require a common wire.

I reccomend you consider not using the Hunter T-stat. They are so extremely problem prone and unreliable. You will be much better off with a Honeywell or White Rodgers T-stat.

You will also need to program the Hunter T-stat for your system per the instructions.

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hi
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Programmable thermostats at discount prices at hunter-thermostats.com.


riz.

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