What town in Massachusetts am I from?
Tyngsboro
HVAC STANDS FOR?
Heating, ventilation and air conditioning
Proper walk in cooler/refrigerator temp for meat is?
34-38 degrees
The outdoor unit on a split system hvac unit is referred to as?
The condensing unit.
If your air filter is dirty it can cause problems such as?
Poor cooling, restricted air flow, evaporator coil icing up, longer unit run time, higher electric bills.
I have 2 dogs, what are their names?
Blu & tank
Which of the following is incorrect. HVAC maintenance helps-
A. Lower energy bills
B. Extend the life of hvac unit
C. Eliminate unnecessary service calls
D. Keep refrigerant in the system.
D. Keep refrigerant in the system.
Unless there is a leak or other issue causing refrigerant to leave the system the refrigerant charge stays constant.
Proper temp for milk/produce is?
38-40 degrees
The main component of an air conditioning system referred to as the heart of the unit is called the?
Compressor.
Without the compressor the unit will not run. The compressor pumps refrigerant throughout the system & is the main component of the refrigeration cycle.
How many field hours & classroom hours are needed to be able to take your HVACR license exam?
4000 hours specifically related to each field.
I tend to say I have an obnoxious food allergy before ordering at restaurants, what allergy is it?
Gluten
R410A is now set to be phased out by the EPA & manufacturers will begin making units with more environmental friendly refrigerants by what year?
2025
Proper Walk in freezer temp is?
0 to -10 degrees.
There are several safety switches wired into an air conditioning system to prevent damage to major components what are the 2 most common?
high pressure switch, low pressure switch, float switch (prevent flooding) & freeze stat are most common.
A dirty condenser coil can cause several problems such as?
High pressure, motor burnout, compressor overload/failure, higher electric bills, wear/tear & heavy load on major components.
Why was the use of R22 refrigerant stopped?
R22 was replaced by R410A due to R22 being an HCFC & damaging the ozone.
The condenser coil is where the refrigerant turns from a gas into a ______?
Liquid.
The condenser is where the heat is removed from the space being cooled.