Compressor
What are compressor only designed to handle?
Vapor Only
First part of the condensor is the
Desuperheating section
What are the 2 main types of Metering Devices
Fixed / Modulating
what 2 forms of heat are absorbed in the evaporator?
Latent heat/ sensible heat
Three state of Matter>?
Solid, Liguid, vapor
What type of compressor has a piston that goes up and down in a cylinder?
Reciprocating
In the Condensers the refrigerant condenses from
_______ to a _________
Vapor to a liguid
What is the Job of the Txv ?
To maintain proper superheat
What Temp does the refrigeration boil off at in Comfort coil coil?
40 degrees
2nd Law of thermo dynamics
Heat moves from a Warm body to a cooler body.
What are the 2 main types of Compressor?
Hermetic Semi-hermetic
Last portion of the Condenser is the?
Subcooling Section
System with a fixed metering device
Refrigerant should be checked by?
Superheat
5 different evaporator coil configurations?
Slab, Slant A, N, M
Line Temp minus Gauge temp
Subcooling system
What Line is connected to compressor and Condensor?
Discharge Line
What are the 3 main coil construction found on a condenser?
Tube-in-fin, spine fin, Microchannel,
The 2 types of fixed metering devices are?
Orifice / Capillary
bottom of the evaporator section is the ?
Superheating section?
Gauge Temp minus Line temp
Subcooling system
The 5 different Mechanical designed compressors
Scroll, Screw, Rotary, Reciprocating, Centrifugal
The Condenser is Located on what side of the system?
High side
Subcooling
Head pressure
Red Gauges...
TXV that allows refrigerant to flow in both directions is?
Bi-flow check valve
Refrigerant comes in the evaporator as a _____ leaves
As a ________________ refrigerant?
subcooled Liquid / superheated vapor
R410A system with line temp of 50 degrees
Gauge pressure of 120 psig what is my superheat?
8 degrees super heat