Air conditioner - Study guides, Class notes & Summaries

To which size breaker should a 14 AWG copper wire go to? 15 amp What is an approved disconnecting means for an air conditioner condensing units and heat pump units? A disconnect switch located within sight of the unit How many amps are required for electrocution to occur? 1 amp ____ ft is the minimum distance for a gfci protected outlet from a swimming pool 6 ft To which size breaker should a 12 AWG aluminum wire go to? 15 amp

A CCOT system has a high high side. Technician A says to suspect the thermostatic expansion valve. Technician B says this system contains an orifice tube. Who is correct? - Answer-TECH B is correct. A clogged orifice tube will result in high high side pressure. It can become clogged with contaminants, debris from a damaged compressor, or a broken desiccant bag releasing desiccant into the refrigerant. A vehicle's air conditioning performance is reduced at low speeds and stop lights, but coo...

EPA SECTION 608 CORE (2021-2022 revision) A disposable cylinder should be reduced to what pressure before scrapping? a. 0 psig b. 20 psig c. 50 psig d. 80 psig A major system repair is being performed on a R-22 appliance. What CANNOT be done to recharge the appliance? a. Add R-22 after the repair is complete. b. Retrofit the unit to R-407C. c. Use recovered or recycled R-22 from the same owner. d. Top off the unit with R-410a. A refillable cylinder must not be filled above what ...

Who Must Be Certified? Any person that services Motor Vehicle Air Conditioning (MVAC) must be certified. Servicing of motor vehicle air conditioning includes repairs, leak testing, and "topping off" of air conditioning systems low on refrigerant, as well as any other repair to the vehicle that requires dismantling any part of the air conditioner. NOTE: Service performed on HCFC-22 air conditioner systems typically found on busses, is NOT covered under section 609, but rather section 608 of the...

An agency relationship is determined by: a) the source of compensation b) how well the parties know each other c) agreement between the principal and the agent d) first substantive contract c) agreement between the principal and the agent Heat from outside air is utilized through a: se conditioner ve solar system pump air return c) heat pump

Five Guys Manager Test Questions With Complete Solutions Which statement best describes where chemicals should be stored? a-above dry storage items b-inside the walk-in c-away from food and prep areas C - away from food and prep areas If you have issues with greasy floors, doors that won't shut correctly, and haze in the air, what is likely the problem? a-Improperly balance hood system b-Air conditioner is not functioning c-Hot water heater is too high d-Grease trap is not clean...

A system is supplied from the factory with charge of 5 pounds 10 ounces for a 15 foot line set. The line set is 25 feet long. The manufacturer's instruction sheet specifies 0.6 ounces of refrigeration to be added for each added foot of refrigerant line set length. What is the total refrigerant charge for the system? A. 6 ounces B. 5 pounds C. 5 pounds 10 ounces D. 6 pounds - D. 6 pounds 15ft - 25ft = 10ft x .6 = 6 ounces 5 pounds + 10 ounces + 6 ounces 5 pounds + 16 ounces = 6 pounds ...

Cl2 - ANSWER Chlorine boiler - ANSWER equipment that provides hot water or steam for various uses PRV - ANSWER PRESSURE RELIEVE VALVE NOWL - ANSWER Normal operating water level BTU - ANSWER British Thermal Unit absolute pressure - ANSWER gauge pressure (psi) + atmospheric pressure (14.7 psi) at sea level air changes per hour - ANSWER The hourly ventilation rate divided by the volume of a space. For perfectly mixed air or laminar flow spaces, this is equal to the number of times...

HVAC FINAL Exam Questions With Verified Solutions. Which of the following would have the greatest effect on the heat content of the refrigerant? A) The refrigerant's humidity B) The refrigerant's state C) The refrigerant's temperature D) The refrigerant's pressure - answerCorrect Answer B) The refrigerant's state A mechanical refrigeration system cools a room by: - answerRemoving heat from the room. The four types of cooling mechanisms are: - answerEvaporative, Thermoelectric, Ab...

b. end 1 inch above the waste drain line - ️️A condensate line should ______________. a. empty directly into the waste drain line b. end 1 inch above the waste drain line c. not drain into the waste drain line d. extend at least 1 inch into the waste drain line c. is more efficient than conventional furnaces and uses a secondary heat exchanger - ️️A condensing furnace _____________. a. works like an air conditioner, except that it heats instead of cools b. is a furnace cover...