Mastercool 52251 A-C User Manual

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A/C SYSTEM ANALYZER MANUAL

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7

Type K
Thermocouple

Antenna Fan Meter

Round Vane
Meter

Pressure
Transducer
Assembly
with Cable

DESCRIPTION USE

1 Round Vane Meter/

Antenna Fan Meter
Socket

2 Pressure Transducer

Socket

Insert round vane meter or
antenna fan meter into socket
to use

Insert pressure transducer
cable into socket to use

3 USB Port Insert USB cable to upload

stored information

4 Type K Thermocouple

Socket

Insert thermocouple into
socket to use

5 Back Light Button Toggles back light on and off

6 Arrow Buttons Navigates screen

7 Calibration Button Use to calibrate pressure

transducer and thermocouple

8 Units Button Toggles between Imperial and

Metric units

9 Enter Button Selects highlighted value

10 Power Button Toggles power on and off

11 Function Buttons Selects operation on screen

directly above key
(F1, F2, F3, F4)

12 Screen Displays information

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FIRST TIME USE

Set the Time

• Use POWER button to turn on A/C Analyzer.

• Use the ▼ or ▲ buttons to highlight the time.

• Press ENTER.

• Use the ◄ or ► buttons to highlight the hours, minutes,
and AM/PM or 24 hours.

• Use the ▲ or ▼ buttons to change the values.
NOTE: to change to AM or PM, add or subtract 12 hours.

• When correct, press F1 to SAVE.
NOTE: Press F4 to EXIT without saving.

Set the Date

• Use POWER button to turn on A/C Analyzer.

• Use ▼ or ▲ buttons to highlight the date.

• Press ENTER.

• Use the ◄ or ► buttons to highlight the Day, Month, Year
and Format.

• Use the ▲ or ▼ buttons to change the values.
NOTE: The format can be MM/DD/YYYY or DD/MM/YYYY.

• When correct press F1 to SAVE.
NOTE: Press F4 to EXIT without saving.

Set the Units

• Press the UNITS button at any time to toggle between
Imperial and Metric units.

QUICK START

General Functions

(in most screens:)

• Press F3 (T/S) to go to the Test Selection screen.

• Press F4 (EXIT) to go to the Main Menu screen.

Testing using Quick Start

Quick Start allows you to use the A/C System Analyzer
without entering a customer or technician.

NOTE: Testing done in Quick Start mode will only be saved
until the test is redone.

• Use power button to turn on A/C analyzer.

• Use the ▲ or ▼ buttons to highlight Quick Start.

• Press ENTER.

• Use ▼ or ▲ buttons to highlight the desired test.

• Press ENTER.

DB (DRY BULB)/WB (WET BULB)/RH
(RELATIVE HUMIDITY)/DP (DEW POINT)/ AIR
VEL (AIR VELOCITY) WITH AIR VOLUME
OPTION TESTING

• For round vane meter, twist sensor cover to the Open
position. For antenna fan meter, go to next step.

• Insert cable into socket (it may take a few seconds for
readings to appear).

• Place round vane meter or antenna fan meter
perpendicular to airflow.

AIR VOLUME TESTING

• When in DB/WB/RH/DP/Air Vel testing screen Press
ENTER.

• Use F2 (RECT/DIA) to toggle between rectangular and
round duct.

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• Use ► or ◄ buttons to highlight digit and ▲ or ▼ buttons
to change digit value.

• Press ENTER to toggle between Height and Width.
NOTE: Be sure to press ENTER for both Height and Width
before pressing done.

• Press F1 when DONE entering duct size.

• Place round vane meter or antenna fan meter
perpendicular to air flow to read volume.

TARGET SUPERHEAT TESTING

• Target Superheat Testing uses the round vane meter or
antenna fan meter. For round vane meter, twist sensor
cover to the Open position. For antenna fan meter, go to
next step.

• Insert cable into socket (it may take a few seconds for
readings to appear).

• Follow Target Superheat 1 screen instructions on where to
place round vane meter or antenna fan meter.

• When values have stabilized, press ENTER to save.

• Press F2 (NEXT).

• Follow Target Superheat 2 screen instructions on where to
place round vane meter or antenna fan meter.

• When values have stabilized, press ENTER to save.

• Press F2 (NEXT).

• Target Superheat will be displayed on the screen.

• If Actual Superheat has been tested, Press F1 (ANYL) for
analysis.

TEMPERATURE SPLIT TESTING

• Temperature (TEMP) Split Testing uses the round vane
meter or antenna fan meter. For round vane meter, twist
sensor cover to the Open position. For antenna fan meter,
go to next step.

• Insert cable into socket (it may take a few seconds for
readings to appear).

• Follow Temp Split 1 screen instructions on where to place
round vane meter or antenna fan meter.

• When values have stabilized, press ENTER to save.

• Press F2 (NEXT).

• Follow Temp Split 2 screen instructions on where to place
round vane meter or antenna fan meter.

• When values have stabilized, press ENTER to save.

• Press F2 (ANYL).

• Target Temperature Split and Actual Temperature Split with
analysis will be displayed on the screen.

ACTUAL SUPERHEAT TESTING

• Use ▲ or ▼ buttons to highlight Actual Superheat.

• Press ENTER.

To Input Pressure Manually

• Use ▲ or ▼ buttons and highlight Input Manually.

• Press ENTER.

• Use ▲ or ▼ buttons to highlight refrigerant.

• Press ENTER.

• Use ► and ◄, buttons to highlight unit and ▲ and ▼
buttons to adjust unit value to input low-side saturated
pressure.

• Press ENTER.

• Saturated vapor temperature will be displayed.

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