Fieldpiece HG2 - HVAC Guide System Analyzer Manual de usuario Pagina 33
- Pagina / 37
- Tabla de contenidos
- MARCADORES
Valorado. / 5. Basado en revisión del cliente
64
WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.F
I
I
ELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.COM WWW.FIELDPIECE.C
O
Air Conditioning Basics
e Evaporator, Condenser, Restrictor ( rottling
valve) and Compressor are the four basic components
of an air conditioner. Following one pound of refriger-
ant through the system shows the function of each com-
ponent.
Subcooled liquid refrigerant at high pressure enters
the restrictor and is throttled to saturated refrigerant at
a lower pressure. e restrictor can be of either a xed or
TXV/EXV type. e xed type must be charged to a tar-
get superheat that varies with indoor and outdoor con-
ditions. e evaporator capacity varies with the indoor
heat load on a xed restrictor. e TXV/EXV regulates
the size of the restriction to maintain a constant super-
heat. is essentially adjusts the capacity of the evapora-
tor responding to the indoor heat load. TXV/EXV sys-
tems must be charged to subcooling.
A er the restrictor, refrigerant enters the evaporator
at a low temperature and pressure and boils (evaporates)
into a gas by absorbing heat from the indoor air. e re-
frigerant stays at the same temperature and pressure un-
til all the refrigerant evaporates into a gas. A er the re-
frigerant becomes a gas, it will become superheated and
the temperature will change. e superheat measure-
ment is the best indication of refrigerant charge level in
a xed restrictor system and a TXV/EXV system will
keep the superheat constant. ere must be superheat
present to ensure liquid does not ood the compressor.
Superheat measurements are taken on the suction line
between the evaporator and compressor.
e compressor takes this low temperature, low
pressure, slightly superheated refrigerant and compress-
es it into a much higher temperature and pressure.
e highly superheated gas enters the condenser
and rejects heat into the outside air. e refrigerant
condenses back into a liquid. Once all of the gas is con-
densed into a liquid then additional removal of heat
causes a temperature drop known as subcooling. TXV/
EXV systems are charged to subcooling since superheat
is controlled by the throttle valve. Subcooling measure-
ments are taken on the liquid line between the condens-
er and TXV/EXV. en the subcooled liquid enters the
restrictor and the cycle starts again.
Figure 33. The Refrigeration Diamond.
- Field Manual 1
- HVAC GUIDE 2
- HG1 & HG2 2
- Table of Contents 2
- Tester Controls 3
- Select the Test 4
- Switch Positions 4
- Fill in the INPUT FORM 5
- Read the OUTPUT FORM 5
- What Accessory Heads 6
- Do I Need? 6
- How to Connect an 6
- Accessory Head 6
- OUTPUT FORM 8
- INPUT FORM 8
- 2.1 Superheat 9
- 2.2 Superheat INPUT FORM 10
- Superheat and Subcooling FAQ 11
- 3.1 Subcooling 12
- 3.2 Subcooling INPUT FORM 13
- 4.1 Combustion 15
- Erik Rasmussen 17
- 5.1 “CheckMe!®” (HG2 Only) 18
- INDOOR UNIT 19
- OUTDOOR UNIT 19
- CheckMe!® INPUT FORM 19
- TrueFlow® 20
- 5.4 Indoor Coil Air ow 21
- 5.5 Refrigerant Charge 22
- 5.8 Outdoor Unit Amp Draw 24
- 5.9 Cooling Capacity 25
- 5.10 Heat Pump in Heating 25
- Advanced Operations 26
- Saving Data 27
- Recalling Saved Tests 27
- Contrast Adjustment 27
- PC Software 28
- Tester to a PC 29
- Other Operations 31
- Air Conditioning Basics 33
- Combustion Basics 34
- Product Specifications 35
- Limited Warranty 35
- Obtaining Service 36
- Disclaimer 36
- John Proctor 36
Relacionado con productos y manuales para Instrumentos de medición Fieldpiece HG2 - HVAC Guide System Analyzer
Instrumentos de medición Fieldpiece SOX3 - Combustion Checker with Auto Pump Manual de usuario
(2 paginas)
(2 paginas)
Instrumentos de medición Fieldpiece SPK2 - Folding Pocket In-Duct Thermometer Manual de usuario
(2 paginas)
(2 paginas)
Instrumentos de medición Fieldpiece SPK3 - Rod and IR Temperature Pocket Style Tool Manual de usuario
(2 paginas)
(2 paginas)
Instrumentos de medición Fieldpiece SRL2K7 - Infrared Refrigerant Leak Detector Manual de usuario
(2 paginas)
(2 paginas)
Instrumentos de medición Fieldpiece SRH3 - In Duct Diagnostic Psychrometer Manual de usuario
(2 paginas)
(2 paginas)
Instrumentos de medición Fieldpiece SRL8 - Heated Diode Refrigerant Leak Detector Manual de usuario
(2 paginas)
(2 paginas)
Instrumentos de medición Fieldpiece SRS2C - Wireless Refrigerant Scale Manual de usuario
(2 paginas)
(2 paginas)
Instrumentos de medición Fieldpiece SVG2 - Digital Vacuum Micron Gauge Manual de usuario
(1 paginas)
(1 paginas)
Instrumentos de medición Fieldpiece STA2 - In Duct Hot-wire Anemometer Manual de usuario
(2 paginas)
(2 paginas)
Instrumentos de medición Fieldpiece AAV3 Vélocité de l'air et Température de l� Manual de usuario
(1 paginas)
(1 paginas)
Instrumentos de medición Fieldpiece SMAN4 - 4 Port Wireless Digital Manifold Manual de usuario
(2 paginas)
(2 paginas)
Instrumentos de medición Fieldpiece SVG3 - Digital Micron Vacuum Gauge Manual de usuario
(2 paginas)
(2 paginas)
Instrumentos de medición Fieldpiece ARH4 Transducteur de température d'humidité Manual de usuario
(1 paginas)
(1 paginas)
© 2020, manymanuals.es. Todos los derechos reservados | 0.047 s |
Manymanuals.com
Manymanuals.de
Manymanuals.fr
Manymanuals.it
Manymanuals.pl
Manymanuals.cz
Manymanuals.es
Manymanuals-pt.com
Comentarios a estos manuales