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GE PTAC Air Conditioner AZ58H15DAC by GE
Product SummaryManufacturer: GE Brand: General Electric Color: Warm Gray Beige (Corrosion Treated)
Kitchen and Housewares Reviews of GE PTAC Air Conditioner AZ58H15DACCustomer Review: Ideal heating/cooling solution for additions, and motel rooms... Summary: 5 StarsGE Zoneline Heat Pump
This model code of this unit (AZ58H15DAC) translates as follows:
AZ58: GE Zoneline series 5800
H: heat pump with electric resistance back-up heat
15: unit has 15,000 BTUs of cooling
D: 230/208 Volt, single phase 60 Hz
A: Universal power connection
C: Corrosion treated
By my count, GE offers 30 different Zoneline heat pumps. Make sure you order the right one for your application. The GE web site has a "Contract Sales Architects and Engineers Data Manual", which offers a wealth of information on Zoneline products, in downloadable PDF format. From the GE site, search on "air conditioner", then click on Zoneline Air Conditioners.
This heat pump needs a "wall case" designed to accept the unit installed in an exterior wall of the building. GE offers two steel cases (RAB70 and RAB71) or a molded case (RAB77). Installation instructions are included with the wall case. I bought the RAB71 steel case (which has high quality paint, similar to that used on outside heat pumps). I was worried that a molded case could eventually crack. Although a steel case could eventually rust, a custom made copper drip cap on the outside top of our unit at least keeps most rain/snow off the case.
GE also offers several types of grilles, to be attached to the outside of the case, to deflect rain/snow (birds, etc.) from getting inside the case, and for appearances. I purchased the excellent aluminum grille model RAG67, which I thought was the best looking of those available.
The heat pump needs to be electrified via direct cable or by using a GE RAK3033 cord and plugging that cord into a 230v 30amp receptacle. That receptacle must be on a dedicated circuit. Hard wiring eliminates having to look at the rather large cord. The disadvantage of hard wiring however, is, that if the unit needs to be removed from the wall case for service, or to be replaced, you or an electrician will first have to "un-wire" the unit. Also, GE recommends periodically sliding the unit out of the wall case and vacuuming the exterior radiator-like fins. If you're using the RAK3033 cord, unplug it, remove the four screws securing the unit to the case, and slide the heat pump out of its wall case. The unit is pretty heavy, so if you're doing this by yourself, you might want to fashion a platform immediately beneath the unit, so it won't drop to the floor when it's removed.
Like all heat pumps, this unit operates as an air conditioner in the summer, and reverses the process to heat in the winter. It has back-up electric resistance heat, which is used if the outside temperature drops below 25 degrees or if the thermostat is set more than a couple of degrees above the current room temperature. Consequently, raise the temperature setting one or two degrees at a time, since resistance heat is VERY expensive to use.
Actual specs are 14,700 cooling BTU, and 13,700 reverse cycle (heating) BTUs.
The thermostat on our unit is accurate. E.g., set it to 76, and that's the precise temperature it gets to and stays on. There is also a provision for connecting the unit to a wall thermostat, if your location is wired for that. There are three fan settings, low, high, and auto. On auto, the unit alternates between low and high as necessary for optimal performance. The Zoneline has two built-in filters in the cover that are removable from the front. They can be washed in your kitchen sink.
For as powerful as this thing is, it isn't very loud, even on the high fan setting. Our experience with similar units in motels, is that those fans are much louder when set to high. With this unit running, you can easily hold a normal conversation in the room.
Our unit is installed in an heavily insulated 16x18 home addition, with a 14' cathedral ceiling and 9 large windows, similar to a sunroom. This unit is a bit over-sized for our application, but we wanted to be able to quickly bring the temperature down or up as needed, since we don't always use the room.
Any condensation dripping from the coil falls into a heavy-duty drip pan integral to the unit. Water overflows from the drip pan via one of two notches at the rear of the pan, into the wall case. (See Customer Images.) This is one area where GE could improve this unit. Seems to me that, instead of those notches, there should flexible plastic tubes connected from the drip pan that could be routed through the grille so that water could drip directly to the ground with the wall case staying dry. The approach used by GE pours water directly into the wall case, which if it's steel like mine, could eventually rust.
Modern home heat pump systems have SEER ratings in the 14 to 23 range, approximately. By comparison, self-contained heat pumps like the Zoneline are not energy efficient; i.e., energy efficiency rating of this unit is only 10.3. In spite of that, there are many applications where this product is the ideal solution for heating and cooling. E.g., a room addition or other space where it's impractical or uneconomical to connect to a central heating/cooling system, or if the space will not always conditioned. To save money and wear and tear on the unit, just turn it off when not using the space.
We are very pleased with the Zoneline 5800 heat pump. It looks good, works well, and is quiet.
Description of GE PTAC Air Conditioner AZ58H15DACGE Consumer & Industrial spans the globe as an industry leader in major appliance, lighting and integrated industrial equipment systems and services. They provide solutions for commercial, industrial and residential use in more than 100 countries which uses innovative technologies and ecomagination. It's a GE initiative to aggressively bring to market new technologies that help customers and consumers meet pressing environmental challenges to deliver comfort, convenience and electrical protection and control. GE brings imagination to work. Versatile Zoneline Packaged Terminal Air Conditioners provide year-round comfort with individual heating and cooling temperature controls. Designed for a wide range of applications, these units are ideal for hotels and motels, office buildings, schools and apartments. All Zoneline units feature the exclusive GE Superseal system which minimizes energy usage by reducing air infiltration. The result is maximum operating efficiency and a more comfortable room. All Zoneline units are also very quiet thanks to the lower sound level and lower sound transmission. Zoneline units are designed with innovative, universal components, and offer even greater installation flexibility than ever, whether in new construction, renovation or for replacement of old units. Unless specified by code, they require no sub-base and may be installed flush with finished floor. All models are adaptable to remote and central desk control. Zoneline units may even be placed in unusual locations, such as transom or common area installations. The two lines, Deluxe and Premium, each with its own special blend of features, offer flexibility to meet each zone application. All units come with microcomputer controls.
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