Hvac 313a Prep Study Guide Graded A+

Insulation on piping is used to. {Ans: Prevent refrigerant from picking up sensible heat.}When removing glycol from a system it needs to be? {Ans: Recycled.}The procedure for disassembly of a thermostatic expansion valve is to. {Ans: 1. Remove sensing bulb from suction line. 2. Relieve spring pressure. 3. Remove power element. 4. Remove cartridge assembly.}What is the procedure to shut down a chill water system. {Ans: 1. Compressor off 2. Condenser water pump off. 3. Cooling tower fan off. 4. Chilled water pump off.}latent heat {Ans: heat required to create a phase change without a change in temperature.}Crankcase prussure regulating valve adjusted by? {Ans: Acoording to the compressor RLA/FLA during got gas pull down.}