Fieldpiece HG3 - Wireless HVAC Guide System Analyzer Manual de usuario Pagina 23
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44 45
OUTDOOR UNIT
Refrigerant: Default: R-22. Other selection: R410A.
Rated Amps (Rated Amperage of the Outdoor Unit) is can be found on
the nameplate along with the outdoor voltage and the refrigerant.
Target Subcool Manufacturer’s recommended subcooling for TXV/EXV
systems. is varies by manufacturer, and may also change depending
on weather conditions. Always charge to the equipment manufacturer’s
specications when available. If no target subcooling is available then the
HVAC Guide will make a conservative estimate.
SL Pressure (Suction Line Pressure) Connect the ASX14 to the suction
side service port. Select pressure mode on the ASX14 head. e system
must be stabilized before taking the measurements. Enter data manually
if you want to get pressure from your gauges. e analysis is only as good
as the measurements. e Fieldpiece ASX14 has better resolution than
most gauge sets.
SL Temp (Suction Line Temperature) Measure near SL service port (within
6 inches). Use the ATC1 or ATC2 to get a good pipe temperature. e
clamp should be perpendicular to the pipe and should be securely seated
with the sensor in contact with the suction line. On a package unit make
sure you are at least 6 inches away from the compressor and not on the
hot gas discharge line.
LL Pressure (Liquid Line Pressure) Connect the ASX14 to the liquid line
service port. Set the accessory head to measure pressure and ensure the
reading stabilizes before locking in the reading. Enter data manually if
you want to get pressure from your gauges. e analysis is only as good
as the measurements. e Fieldpiece ASX14 has better resolution than
most gauge sets.
LL Temp (Liquid Line Temperature) Measure near the location that the LL
Pressure was taken. Use the ATC1 to get a good pipe temperature. e
clamp should be perpendicular to the pipe and should be securely seated
with the sensor in contact with the liquid line.
OD Dry Bulb (Outdoor Dry Bulb Temperature) Clip a calibrated ATA1
to the inlet of the condenser (typically on the side of the condenser), in
the shade if possible. Note that the temperature of the air entering the
outdoor coil can be considerably dierent than the ambient temperature
due to recirculation of air exiting the unit. Determine the average tem-
perature of the air entering the condenser.
Cond Amps Draw (Actual Condensing Unit Amp Draw) For a package
system this is the total amp draw of the unit. With a model HG3, use an
ACH4 amp clamp and take measurement automatically. To use another
amp clamp (such as the SC57) and for HG1s upgraded to an HG2, input
this measurement manually.
TrueFlow®
2
e TrueFlow® meter measures the airow directly via a grid installed
in place of the lter (or other location that has all the indoor unit airow
through it). For more information please visit www.energyconservatory.com.
TrueFlow® Default: NO. If NO, skip ahead to the Customer ID. Answering
YES unlocks the inputs for this section.
Nom Ton Nominal tonnage of the A/C system.
Grid Size Default: 14 inches. Other selection: 20 inches.
Sup Plen Pres TrueFlow® system operating pressure with the lter in-
stalled and no TrueFlow® grid. is is the normal supply operating pres-
sure (NSOP) and is measured using the static pressure probe included
with the TrueFlow® plate.
Flow Pressure True Flow Supply Operating Pressure (TFSOP) using the
True Flow plate.
Sup Plen Pressure with Grid TrueFlow® operating pressure with the
lter and TrueFlow® grid installed. is is the TF SOP and is measured
using the static pressure probe included with the TrueFlow® plate.
2 TrueFlow® is the registered trademark of The Energy Conservatory.
- Model HG3 1
- Field Manual 1
- HVAC Guide® System Analyzer 2
- Model HG3 2
- Table of Contents 2
- Conditioner 3
- Superheat and 3
- Subcooling 3
- How it Works 5
- Inputting Data 6
- Wireless Testing 7
- Example Test 8
- Direction 9
- 2.1 Superheat Overview 12
- 2.2 Superheat INPUT FORM 13
- 2.3 Superheat OUTPUT FORM 14
- Outputs 14
- 3.1 Subcooling Overview 15
- 3.2 Subcooling INPUT FORM 16
- Inputs 16
- 3.3 Subcooling OUTPUT FORM 17
- 4.1 Combustion Overview 18
- 4.2 Combustion INPUT FORM 19
- 4.3 Combustion OUTPUT FORM 20
- 5.1 CheckMe!® 21
- GRANT FORM 22
- INDOOR UNIT 22
- OUTDOOR UNIT 23
- TrueFlow® 23
- HVAC Guide 24
- 6.1 CFM Overview 25
- 6.2 CFM INPUT FORM 26
- 6.3 CFM OUTPUT FORM 27
- Outputs for Each Grille 27
- Outputs For Each Test 27
- 7.1 Charging Jacket Overview 28
- Data Logger and Display 29
- 8.3 Data Logger OUTPUT FORM 30
- 8.2 Data Logger INPUT FORM 30
- Setup Switch Position 31
- Advanced Operations 32
- What's Included 33
- Specications 33
- Limited Warranty 33
- Obtaining Service 33
- Appendix 34
- Accessory Head Descriptions 37
- Type-K Thermocouples 37
- Refrigerants 37
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