Product Overview; Important Guidelines - MasterCool IntellaSence 55800 Instrucciones De Operación

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PRODUCT OVERVIEW

You have purchased an intelligent electronic leak detector, model 55800. At the heart of this
advanced leak detector is a new low power metal oxide gas sensor with superior performance
properties when compared to other competitive units that are still utilizing older generation
sensors. The new sensor is characterized by high sensitivity and fast response upon detecting
the presence of extremely small levels of refrigerants and flammable gasses. For this reason, this
sensor was selected and integrated into the 55800 Leak Detector.
In addition, we integrated a powerful microprocessor into the design that automatically selects
the best operating condition for the sensor to ensure optimum performance throughout the life of
the sensor. From the time the unit is initially turned on, an accelerated start-up heating program
was incorporated, to prepare the sensor element for readiness in about a minute or less. During
this time, a sensor diagnostic check is performed and other critical parameters are checked.
Once the proper conditions are sensed, the processor enables the READY legend on the LCD and
initiates the audible "beep" on the unit, provided the mute feature is disabled.
From this point on, the processor continues to interact with the user by monitoring the com-
mands received from the keypad and executing them, as well as performing self-diagnostic
checks on critical elements multiple times each second, thereby assuring and maintaining the
continued operation of the product. Any deviation of the critical parameters from the normally
established design limits, such abnormal conditions are annunciated to the attention of the user
by audible and visual means, using the advanced colorful user-friendly LCD display.
Additional other beneficial features are detailed and discussed further in this Operating Manual.
WARNING
This symbol is intended to alert the user of the presence of important operating and mainte-
nance or servicing instructions in the literature accompanying this product.

IMPORTANT GUIDELINES

1. The 55800 leak detector shall be operated in accordance to the equipment manufacturer's
operating instructions.
2. Leak test with the unit turned OFF.
3. Visually trace the entire refrigerant system and inspect for signs of air conditioning lubricant
leakage, damage and corrosion on all lines, hoses and components. Each questionable area
shall be carefully checked with the detector probe as well as fittings, hose-to-line couplings,
and refrigerant controls. Service ports with caps in place, brazed or welded areas and areas
around attachment points and hold-downs on lines and components. If looking for an
apparently larger leak, check first at the Medium 7 g/yr or Low 14 g/yr sensitivity setting.
4. Always follow the refrigerant system around in a continuous path so that no area of potential
leaks is missed. If a leak is found, always continue to test the remainder of the system.
5. Recheck service valves with caps removed. Blow shop air over service valve to clear
immediate area and then check with the detector set at 7 g/yr (0.25 oz/yr) Medium sensitivity.
6. Move the detector at a rate of no more than 75 mm/sec (3 in/sec) and as close as possible
to 9.3 mm (3/8 in) from the surface, completely encircling each test position (switch, sensor,
refrigerant tubing connection etc).
7. Slower movement and closer approach of the probe improves the probability of finding a leak.
However, detectors made to meet this standard are required to air sample and detect a leak
from a distance of 9.5 mm (3/8 in) distance. Therefore, retest is advised at the most sensitive
setting, when a leak appears to be found, particularly if the probe was in a static position on a
joint or making physical contact with a joint as it was moving. Repeat with a moving probe
test at that location, taking care to maintain a small gap (9.5 mm or 3/8 in) to confirm that the
leak is of a repairable size. Using a 7 g/yr (0.25 oz/yr) Medium sensitivity setting on the
detector, after finding an apparent leak with the 4 g/yr (0.15 oz/yr) High sensitivity setting, may
also be very helpful.
SPECIFICATIONS
Sensing Element:
Sensor Life:
Refrigerants:
Sensitivity Levels:
Response Time:
Battery:
Battery Life:
Operating Temperature Range:
Weight:
Display:
FEATURES
"Super Sensitive Function" allows the unit further sensitizing beyond the standard settings for
locating small leaks with gases such as R1234yf and R407C
Display Properties:
• Display relative magnitude of the detected leaks
2
Heated Tin Oxide Element
2000 hours
Detects all refrigerants, combustible gases and hydrogen/
nitrogen mix (CFC,HFC, HCFC and blends)
Unit has been tested and approved to work with R1234yf
as well as R32 and R410a
HIGH:
0.05 oz/yr (1.5 g/yr)
MEDIUM:
0.25 oz/yr (7 g/yr)
LOW:
0.50 oz/yr (14 g/yr)
Less than 1 second
2 D Alkaline 12000 mAh batteries
60 hours
-17 to 49˚C (0˚F to 120˚F)
1 lb 8 oz (0.68 kg)
40mm (w) x 30mm (h), progressive color LCD
display with 10 vertical bars
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