Fieldpiece HG2 - HVAC Guide System Analyzer - Manual (Page 18)

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5.1
“CheckMe!®” (HG2 Only)
3
“ CheckMe!® ” is the most advanced real-world
method for troubleshooting A/C systems. It looks at the
big picture to diagnose problems. Superheat, Subcooling,
and Target Evaporator Exit Temperature tests look at in-
dividual performance indicators to determine if they are
within proper range.
CheckMe!® looks at the system as
a whole to give a more complete diagnosis. CheckMe!®
saves time and money by quickly diagnosing a range of
problems or even multiple problems.
CheckMe!® rec-
ommends actions to tune the air conditioning system
to its optimum with minimal retests. Th
is leads to even
fewer call backs.
Th e algorithms built into CheckMe!® are based
on the real world servicing of over 150,000 air con-
ditioners. Th
e testing procedure and accuracy of the
diagnosis have been refi ned over many years by Proc-
tor Engineering. Th
e CheckMe!® switch position is a
real time-saver because it can give you a more accurate
diagnosis than looking at individual aspects of the air
conditioner.
Th e CheckMe!® has 35 diagnoses which will help
you pinpoint the problem with the air conditioning
system. In addition to giving you better diagnoses, the
CheckMe!® test will ensure that you have fi lled in the
form completely and warns you if conditions are un-
likely to exist or impossible. In these cases, you will
want to retake some measurements.
CheckMe!® will analyze the system with almost any
amount of data. Th e more information supplied to the
program, the more accurate and comprehensive the di-
agnosis. CheckMe!® determines the current state of the
equipment. Th
erefore you can pretest equipment prior
to any repairs.
3 CheckMe!® is the registered trademark of Proctor Engineering Group, Ltd.
5.2 CheckMe!® INPUT FORM Overview
Figure 20. CheckMe!® INPUT FORM.
Th e quickest way to an optimized system will be to
clean coils and fi lters prior to the initial test. Th en com-
pletely fi ll out the the CheckMe!® INPUT FORM for a
more comprehensive and accurate diagnosis of the sys-
tem.
General Information: The type of
system and the nominal tonnage.
Can be measured automatically with
Fieldpiece accessory heads.
True Flow: The measurements are
only visible if you select Yes for True
Flow. These are manual inputs.
Customer ID is useful for record
keeping.
Grant: These are all manual inputs
which are used for record keeping
when participating in a grant
program or third party verification.
Units can be changed to either
English or Metric.