Quick Links Download this manual. Table of Contents. User's Information Manual. This manual should be left with the equipment owner. Follow the gas supplier's. Improper installation, adjustment, alteration, ser. Refer to this manual. Electrical shock. Do not attempt to light by hand; serious injury or death. Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Do not turn off the electrical power to unit without. Before attempting to start the gas heating section. If you do not follow these instructions exactly, a fire or. Property damage, injury, or loss of.
See Fig. Refer to Fig. The induced-draft combustion. Main gas valve will open and main burners. If the burners do not light, there. If the burner. If the burner does. To reset the con. Repeat Steps If burners. If the main burners fail to light, or the blower fails to come. Failure to follow these requirements could result in. Large rooftop units accessory economizer package 8 pages. Single package rooftop units with comfortlink controls version 3.
Nominal 3 to Summary of Contents for Carrier 48HJ Page 1 If the main burners fail to light, or the blower fails to come on, shut down gas heating section and call your dealer for service. Failure to follow these requirements could result in serious injury or death.
Printed in U. Your Carrier service technician can help you set up a maintenance schedule. For your safety, keep the area around the unit clear and free of combustible materials, gasoline, and other flammable liq- uids and vapors.The units are factory tested in both heating and cooling modes.
You must be logged in to post a review. I am really happy with the technician. Before he worked on the fix, he explained the issue nicely. Cozy Comfort Plus Inc. Their service was straight forward, reasonably priced and good value for money. They even walked us through the complicated rebate program that was hard to understand without being involved in the industry. I requested info online from a few places I found on the internet.
Cozy Comfort was the most responsive, not just with the initial info request, but with back-and-forth calls, emails and a site visit. I wanted to convert my wood fireplace to gas, and Brian guided my through the whole process. He explained the type of unit I needed gas inserttold me the different brands and models that would fit my fireplace opening, and explained the pros and cons of each. Within a week of my first call, my new gas insert was installed, and a week after that, the stone mantle and hearth were in.
The installers laid plastic to protect our flooring, maintained social distance, and were kind to my curious cat and dog. They walked me through how to use the fireplace once the gas insert unit was in. Carrier Weathermaster - 48HC Brochure. Carrier Weathermaster - 48HC Manual. Carrier Weathermaster - 48HC Document.
Reviews There are no reviews yet. Unit Weight lbs 3 1 Trusted in the GTA. Find Your Product show blocks helper.For comparison, browse similar packaged unit price lists from Lennox, American Standard, Bryant, Amana and others. See individual packaged unit reviews for details on many of these models. Keep in mind that the Infinity Series is the top of the line with the best performance and warranty, followed by the Performance Series and Comfort Series.
Air conditioner package units are the least expensive while the hybrid heat models that include a heat pump and gas furnace are the most expensive.
Since there is no heat mode with these models, they are chosen for very warm climates or buildings, or for use where a source of heat is already in place. These 4 models heat with gas and cool with an electric air conditioner.
The systems contain a blower that circulates air. These are all-electric systems, using a heat pump to both heat and cool by circulating refrigerant. Treated air is pushed through the ductwork with a large blower motor. These systems contain a heat pump and a gas burner. The gas furnace will take over when temperatures are too low for heat pumps to work effectively. They are a top choice where winters produce freezing temperatures.
Package units that only provide air conditioning have limited application of course. The hybrid heat models use the heat pump to heat most of the time, switching to gas when temperatures are freezing.
They produce the cheapest heat, but cost the more. In very cold climates they are a cost-effective choice. A local qualified contractor can answer your questions about which type is best for your area and your specific needs.
Your email address will not be published. Need System Advice or a Free Quote? Quote Form - Top of Page If you are human, leave this field blank. June 16, October 20, robeddy 0 Comments. Leave a Reply Cancel reply Your email address will not be published.NOTE: Read the entire instruction manual before starting. Jobsite Survey. Step 1 - - Plan for Unit Location. Roof Mount.
Step 2 - - Plan for Sequence of Unit Installation. Curb- - Mount Installation. Pad- - Mount Installation. Frame- - Mount Installation. Step 3 - - Inspect Unit.
Carrier 48TC*D08 Service And Maintenance Instructions
Step 4 - - Provide Unit Support. Roof Curb Mount. Slab Mount Horizontal Units Only. Alternate Unit Support. In Lieu of Curb or Slab Mount. Step 5 - - Field Fabricate Ductwork. Step 6 - - Rig and Place Unit. Positioning on Curb.
Carrier Weathermaster – 48HC
Step 7 - - Horizontal Duct Connection. Step 10 - - Install Gas Piping. Gas Supply Line. Factory- - Option Thru- - Base Connections. Step 12 - - Make Electrical Connections. Field Power Supply. Units without Factory- - Installed Disconnect.
Units with Factory- - Installed Disconnect. All Units. Convenience Outlets. Units without Thru- - Base Connections. Field Control Wiring. Unit without Thru- - Base Conversion Kit. Heat Anticipator Settings. Transformer Connection. Humidi- - MiZer. PremierLinkt Factory Option. Field Connections. Space Sensors. Connect Thermostat.Quick Links. Installation and servicing of air-conditioning equipment.
Only trained and qualified service personnel. Untrained personnel can perform the basic. Trained service. When working on air-conditioning equipment, observe. Follow all safety codes. Wear safety glasses and work. Use quenching cloth for unbrazing operations. Use quenching cloth for brazing operations. Read these instructions.
Consult local building codes and National. Recognize safety information. This is the safety- - alert. These words are used with the safety- - alert. NOTE is used to. Table of Contents. Single package rooftop heat pump with puron ra refrigerant 48 pages. Packaged air-handling units 60 hz with puron ra refrigerant sizes 25, 28, 30 36 pages. Nominal 3 to 10 tons with puron ra refrigerant pages. Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
Re- - install the filter by placing the frame in its track, then closing the spring clips. Page 5 To replace the belt: 1. Use a belt with same section type or similar size. When installing the new belt, do not use a tool screwdriver or pry- - bar to force the belt over the pulley flanges, this will stress the belt and cause a reduction in belt life. Page 6: Cooling Changing fan wheel speed by changing pulleys: The horsepower rating of the belt is primarily dictated by the pitch diameter of the smaller pulley in the drive system typically the motor pulley in these units.
Do not install a replacement motor pulley with a smaller pitch diameter than provided on the original factory pulley. This cleaner is available from Carrier Replacement parts division as part number P - for one gallon container, and part number P - for a 5 gallon container.
Unit panels must be in place when unit is operating during the charging procedure. Suction Pressure Suction Temperature should be. Fuse blown or circuit breaker tripped. Defective thermostat, contactor, transformer, Compressor and Condenser or control relay. Fan Will Not Start. Insufficient line voltage. Incorrect or faulty wiring.The units are factory tested in both heating and cooling modes.
You must be logged in to post a review. I am really happy with the technician. Before he worked on the fix, he explained the issue nicely. I requested info online from a few places I found on the internet. Cozy Comfort was the most responsive, not just with the initial info request, but with back-and-forth calls, emails and a site visit. I wanted to convert my wood fireplace to gas, and Brian guided my through the whole process.Furnace Not Working - The Most Common Fix
He explained the type of unit I needed gas inserttold me the different brands and models that would fit my fireplace opening, and explained the pros and cons of each. Within a week of my first call, my new gas insert was installed, and a week after that, the stone mantle and hearth were in. The installers laid plastic to protect our flooring, maintained social distance, and were kind to my curious cat and dog.
They walked me through how to use the fireplace once the gas insert unit was in. From the moment we walked into the showroom, we were met with a very friendly greeting.
My wife and I were so impressed with the calm, sincere and gracious demeanor of Brian. He answered all our questions, gave us his thoughts and professional opinions on everything inquired about. Carrier Weathermaster - 48HC Brochure. Carrier Weathermaster - 48HC Manual.
Carrier Weathermaster - 48HC Document. Reviews There are no reviews yet. Unit Weight lbs 3 1 Trusted in the GTA. Find Your Product show blocks helper. People like you shared their purchase and installation experience!
Faik Faisal. Read More. Elaine Chang. Thanks for everything, Cozy Comfort!However, when the design is more complex, ANOVA offers numerous advantages that t-tests cannot provide (even if you run a series of t- tests comparing various cells of the design).
To index Within-group Variation. As explained in Elementary Concepts, the size of a relation between two variables, such as the one measured by a difference in means between two groups, depends to a large extent on the differentiation of values within the group.
Depending on how differentiated the values are in each group, a given "raw difference" in group means will indicate either a stronger or weaker relationship between the independent (grouping) and dependent variable. However, if the same difference of 2 was obtained from very differentiated scores (e. That is to say, reduction of the within-group variation increases the sensitivity of our test. The t-test for dependent samples helps us to take advantage of one specific type of design in which an important source of within-group variation (or so-called, error) can be easily identified and excluded from the analysis.
Specifically, if two groups of observations (that are to be compared) are based on the same sample of subjects who were tested twice (e. However, if the same sample was tested twice, then we can easily identify (or "subtract") this variation. Specifically, instead of treating each group separately, and analyzing raw scores, we can look only at the differences between the two measures (e.
By subtracting the first score from the second for each subject and then analyzing only those "pure (paired) differences," we will exclude the entire part of the variation in our data set that results from unequal base levels of individual subjects. This is precisely what is being done in the t-test for dependent samples, and, as compared to the t-test for independent samples, it always produces "better" results (i.
If these assumptions are clearly not met, then one of the nonparametric alternative tests should be used. Technically, we can apply the t-test for dependent samples to any two variables in our data set.
However, applying this test will make very little sense if the values of the two variables in the data set are not logically and methodologically comparable. Following, is an example of a data set that can be analyzed using the t-test for dependent samples. WCC before WCC after case 1 case 2 case 3 case 4 case 5.
However, the t-test for dependent samples analysis is performed only on the paired differences"ignoring" the raw scores and their potential differentiation. Thus, the size of this particular difference of 1 will be compared not to the differentiation of raw scores but to the differentiation of the individual difference scores, which is relatively small: 0. Compared to that variability, the difference of 1 is extremely large and can yield a highly significant t value.
If there are more than two "correlated samples" (e. The repeated measures ANOVA can be considered a generalization of the t-test for dependent samples and it offers various features that increase the overall sensitivity of the analysis.
The breakdowns analysis calculates descriptive statistics and correlations for dependent variables in each of a number of groups defined by one or more grouping (independent) variables.
In the following example data set (spreadsheet), the dependent variable WCC (White Cell Count) can be broken down by 2 independent variables: Gender (values: males and females), and Height (values: tall and short). GENDER HEIGHT WCC case 1 case 2 case 3 case 4 case 5. The resulting breakdowns might look as follows (we are assuming that Gender was specified as the first independent variable, and Height as the second).
For example, in the above example, you see the means for "all males" and "all females" but you do not see the means for "all tall subjects" and "all short subjects" which would have been produced had you specified independent variable Height as the first grouping variable rather than the second. Statistical Tests in Breakdowns. If you are interested in differences concerning the means, then the appropriate test is the breakdowns one-way ANOVA (F test).
If you are interested in variation differences, then you should test for homogeneity of variances.