True T-49 Side by Side Refrigerator Commercial - Answered Questions & Fixed issues
How to replace door spring T-49
This is what I came up with. Just pass the screw through the nail puller in a flat bar. Use a block of wood to protect the door, and press down on the other end. A lot easier than anything else I've tried.
Not making defrosting
A T-49F is a freezer - a T-49 is a cooler and has no defrost timer or heater. If it's freezing up the thermostat needs to be checked. The coolers use a thermostat to check inside coil temperature and typically cycle off when the coil reaches somewhere around 15f and then cycles back on when the coil reaches around 40f. For this reason the box temperature when empty will make wild swings
Heater not working
A T-49F is a freezer - a T-49 is a cooler and has no defrost timer or heater. If it's freezing up the thermostat needs to be checked. The coolers use a thermostat to check inside coil temperature and typically cycle off when the coil reaches somewhere around 15f and then cycles back on when the coil reaches around 40f. For this reason the box temperature when empty will make wild swings.
True refrigeration Technical
You can contact any commercial refrigeration company. I just searched for Miami commercial refrigeration on google and several company's are listed. Please let me know if you need any further information.
Seperating Gaskets
Call True in St. Louis and get a name of a supplier that carries factory parts. After market just doesn't work as well as you've noticed. Hope this helps and good luck.
Seal Gaskets
Generally if you are using the factory seals you never have a problem unless you've damaged the retainer that holds the dart. After market gaskets wont work as well it has to do with the magnet strength, thickness, etc. call True in St Louis if you have to, to get the supplier. Good luck, hope this helped.
T-49 warm in the morniing, but then works fine all day
Sounds like you are letting the refrigerator sit in an unheated space at night. Those refrigerators have minimum temperature ratings as well as maximum temps. True Mfg. Can be more specific but I say not under 60deg F. Good luck hope this helps.
Why does everything freeze in my T-49 True refrigerator
The cooling coil is probably frozen up. Shut it off and leave the door open over night. Start it up in the morning and see if its more accurate. Down the road you may find you have issues like leaving the door open in high temperatures, maybe the coil is plugged with paper, ice, dust etc. and needs to be cleaned, or maybe it was improperly charged by the last service man that worked on it. The charge should have been weighed in with a scale by the ounce. Good luck and hope this helps.
What is the operating presesure and temperature for a r-134 commercial refrigerator
Those units are going to give you pressures corresponding to the surrounding area. A hot kitchen will get the head pressure up around 150-170 psi sometimes. The suction is going to be somewhere around 20psi give or take 10 psi either way. You can't trust pressure readings except for an indication that the compressor is pumping and you don't have a deep vacuum from a lost charge or plugged cap tube or blocked metering device. Always weigh the charge into the system. You cant be a hack hvac guy and help a guy by putting gas in his refrigerator. Commercial refrigerators are pretty touchy and don;t like to shut off if they don't have an exact charge. Don't take my word for it call True in St Louis they made the thing. Hope this helps and good luck.
One of the doors will not close
The top hinge has a spring to close door. You can see a pin in a hole on top against a stop pin. Removing pin and winding up the hinge spring helps, find an Allen wrench that fits the other holes to assist. If winding one direction makes worse go the other direction. A new hinge may be in order. I can get you one if you need it.
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The drain pan is dry. There is ice buildup on the
Is the evaporator fan motor running? If it is only running at half speed or not at all, that could explain the ice buildup. If the coils are icing up because of no air flow over them, then the defrost heater stays on, trying to get rid of the ice.
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