Question about True TSSU-27-12M-B Commercial Refrigerator

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When the ambient tempreture rises above 75 degrees the refrigirator internal tempreture rises to 60 degrees when the ambient tempreture is below 70 degrees the refrigirator internal temprature is 40 degrees

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  • True Master
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Your refrigerant system is restricted and or the compressor is bad.

Posted on Jul 11, 2010

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Posted on Jan 02, 2017

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I need to know the right temperture settings cause i dont have a manual


dont try to lower cool setting below 70 degrees or heat setting above 78 degrees. all a/c's are designed for a 95 degree ambient when it gets above that you have to increase tonnage to compensate.

Jul 30, 2015 | Heating & Cooling

1 Answer

What should the ac pressure (high and low) be on an 08 ford Taurus?


That varies with Ambient Temperature & Relative Humidity

70 -100 F 30-60% HI Side at 80 degrees 125 to 170 lbs
70-100 F 30-60% LO Side at 80 degrees 32 to 55 lbs

Keep in mind those pressures will cycle, as in the example
above

Really need a chart

I got that from my Ford Factory Workshop Manual

For --R134a Refrigerant

You only use Low Side when charging & the Hi Side
is closed,so you need to get below 40 # or you have
issues,then need to evaluate both sides

Lots to study on the internet

Sep 14, 2013 | Cars & Trucks

1 Answer

91 Ford Ranger 4X4, 4.0,AT. When the ambient temperature is is below 75 degrees it runs good. When the outside ambient temperature is above 75 degrees it begins to misfire at freeway speeds. If you...


Hello, There should be a sensor in the air snorkel and if it is sprayed with a choke or brake cleaner it is probably unreliable. This part can be cleaned with Electronics spray. The sensor measures the incoming Air temperature and makes engine adjustments based on temperature.

You can get a free scan at Autozone, Advance, or Oreilys autoparts stores. There are some malfunctions which will not set a Code and yours is temperature sensitive, so the scanner will have to catch it at the right temperature.

Looking at the thresholds you have given, there are a few other possibilities. If you look at hard acceleration, manifold pressure drops and you are saying the engine runs smoother with less manifold pressure. Could be a bad MAP sensor. Then looking at temperatures above 75 degrees, pressure in the fuel tank increases and the Evaporative Emissions system must adjust to capture the gas vapors. If the Evaporator solenoid is misfiring you may be feeling it cut-out. You have replaced the fuel pressure regulator, but has the regulator been adjusted? Some systems use a Relay to help the pressure regulator buffer the constant changes in demand to the fuel pump. The Relay could be bad making it seem that the pressure regulator was bad when it actually was not.

Check with one of the above 3 autoparts places for info on this Relay and if your model has it. I hope my solution is very helpful and that your problem is a less expensive part.

Aug 19, 2011 | Ford Ranger Cars & Trucks

1 Answer

Low side pressure specs for 2003 silverado2500hd


Ambient Air Temperature
Relative Humidity
Service Port Pressure
Maximum Left Center Discharge Air Temperature
Low Side
High Side
13-16°C (55-65°F)
0-100%
150-246 kPa (22-36 psi)
730-1190 kPa (106-173 psi)
12°C (54°F)
19-24°C (66-75°F)
Below 40%
150-280 kPa (22-41 psi)
900-1390 kPa (131-202 psi)
14°C (57°F)
Above 40%
179-137 kPa (26-46 psi)
990-1500 kPa (144-218 psi)
16°C (61°F)
25-29°C (76-85°F)
Below 35%
218-328 kPa (32-48 psi)
1240-1640 kPa (180-238 psi)
17°C (63°F)
35-60%
236-342 kPa (34-50 psi)
1290-1680 kPa (187-244 psi)
18°C (64°F)
Above 60%
250-365 kPa (36-53 psi)
1340-1760 kPa (194-255 psi)
20°C (68°F)
30-35°C (86-95°F)
Below 30%
266-386 kPa (39-56 psi)
1500-1940 kPa (218-282 psi)
21°C (70°F)
30-50%
280-397 kPa (41-58 psi)
1540-1990 kPa (224-289 psi)
22°C (72°F)
Above 50%
300-430 kPa (44-62 psi)
1600-2070 kPa (232-300 psi)
24°C (75°F)
36-41°C (96-105°F)
Below 20%
328-439 kPa (48-64 psi)
1810-2240 kPa (263-325 psi)
25°C (77°F)
20-40%
337-457 kPa (49-66 psi)
1840-2290 kPa (267-332 psi)
26°C (79°F)
Above 40%
355-474 kPa (52-69 psi)
1890-2340 kPa (274-340 psi)
27°C (81°F)
42-46°C (106-115°F)
Below 20%
391-491 kPa (57-71 psi)
2130-2500 kPa (309-363 psi)
29°C (84°F)
Above 20%
397-508 kPa (58-74 psi)
2160-2550 kPa (313-370 psi)
30°C (86°F)
47-49°C (116-120°F)
Below 30%
451-552 kPa (65-80 psi)
2420-2790 kPa (351-405 psi)
33°C (92°F)

Jul 10, 2011 | 2003 Chevrolet Silverado 2500HD

1 Answer

Dough does not rise finished loaf short and very dense I bake the bread in the garage where the ambient temp is in the 90s,the yeast I use is Red Star it was kept in the freezer for about a month before I...


Household-use bread machines are only designed for use inside the home, requiring ambient temperatures of 70 to 80 degrees F and a humidity level not exceeding 60 percent. Hope this helps.

Jun 24, 2011 | Panasonic SD-YD250 Bread Maker

4 Answers

Hisense air conditioning unit displaying FC, what does this mean?


FC Outdoor low pressure drop. Check your gas pressure. It should be 60 PSI in ambient temp of 98 degree Fahrenheit.
Less gas pressure not only due to gas leak. But also indoor coil and air filter chocked . Service the unit and test again. Helpful?

Jan 02, 2011 | Heating & Cooling

1 Answer

I am working on a M # GPG13420901AB. This is a 3.5 ton package unit that replaced a 3 ton package unit on 1700sq/ft single level home. Old unit was working fine but was replaced when the home was...


It sounds like you are low on charge. I think you have a thermostatic expansion valve and you need to check the subcooling, you should have 12 to 15 degrees at 95. At 95 degrees your head should be about 280# for a 12 or 13 SEER unit or higher depending on the effeciency. At 78 to 80 degrees indoor depending on the humidity, that is normal. The valve will open to try to fully feed your indoor coil and it sounds like your head pressure is to low to force enough refrigerant thru the coil.

Aug 16, 2010 | Goodman Heating & Cooling

1 Answer

Oscillating vibration around 60-70 mph in 6th gear


sounds like a cv joint to me. That is what usually occurs when one is showing wear. C.V joints usually wear out between 80,000 and 120,000 k.m.

Oct 14, 2009 | 2007 Mazda Speed 6 Sedan

1 Answer

Hobart lx 18 warewasher what hatco booster heater product compatable with it


The answer to this question will be based on the incoming water temperature that is supplied to the booster heater. The standard sizing for a booster heater is based off of a 40 degree F rise (140 degree F incoming water temperature) or a 70 degree F rise (110 degree F incoming water temperature). For a 40 degree F rise, a Hatco model C-5, S-5, or PMG-60 will supply the needed amount of rinse water for the LX-18 Hobart dishwasher. A 70 degree F rise would require a Hatco model C-9, S-9, or PMG-60 to supply the same Hobart model number.

Oct 11, 2008 | Dishwashers

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