Yellow jacket 68947 Manual de usuario

68945 and 68947

REFRIGERANT IDENTIFIER

OPERATION MANUAL

Table of Contents

Safety and Warnings…………………………………………………………………………………………………………………………………………………4

1INTRODUCTION AND OVERVIEW.......................................... 6

1.1 GENERAL ............................................................. 6

1.2 FEATURES ............................................................ 7

1.3 YELLOW JACKET REFRIGERANT IDENTIFIER COMPONENTS........................... 8

1.3.1 Base Unit....................................................... 8

1.3.2 R134a Sample Hose............................................... 8

1.3.3 R12 Sample Hose................................................. 9

1.3.4 R134a Tank Adapter Fitting...................................... 9

1.3.5 Vehicle Power Cable............................................. 9

1.3.6 Control Panel.................................................. 10

1.3.7 Back Panel Connections......................................... 10

1.3.8 Hard Shell Storage/Carrying Case............................... 11

2OPERATION ....................................................... 12

2.1 FIRST USE .......................................................... 12

2.1.1 Battery Installation (Optional)................................ 12

2.2 TURNING ON THE UNIT .................................................. 13

2.3 CALIBRATION ......................................................... 13

2.4 VIEWING THE TEST RESULTS .............................................. 14

2.5 BLEND REFRIGERANTS ................................................... 15

2.6 PRINTING THE TEST RESULTS ............................................. 16

3MAINTENANCE & TROUBLESHOOTING ................................... 17

3.1 SETTING THE ELEVATION ................................................. 17

3.2 SETTING THE LCD CONTRAST .............................................. 18

3.3 CHANGING THE SAMPLE FILTER............................................. 19

3.4 CLEANING THE SAMPLE HOSES ............................................. 19

3.5 CHANGING THE PRINTER PAPER............................................. 19

3.6 LOW BATTERY WARNING .................................................. 20

3.7 ERROR MESSAGES ...................................................... 21

4APPENDICES.......................................................22

4.1 SPARE PARTS LIST .....................................................22

4.2 APPENDIX B-SPECIFICATIONS ............................................22

For Your Safety:

PLEASE READ THIS MANUAL IN ITS ENTIRETY BEFORE

ATTEMPTING INSTALLATION OR OPERATION! Attempting to

operate this refrigerant identifier without fully

understanding its features and functions may result

in unsafe conditions

•Always use protective eye wear and observe proper safety

procedures when working with pressurized gases.

Read and understand the entire manual BEFORE attempting to operate the instrument.

Identifier Warnings

•Refrigerant Blend Warning: As of January 2004, there are

twelve (12) EPA SNAP “acceptable for use” refrigerants that

are available and legal for use as R12 substitutes. This

refrigerant identifier will not identify any of the

substitutes as pure R12 or pure R134a. Each of the twelve

blends has been tested in the factory laboratory and it has

been confirmed that the substitutes will not “fool” the

instrument. Should one of the blends be encountered, the

instrument will fail the refrigerant and provide a readout of

analysis in terms of percentage by weight concentrations of

R12, R134a, R22 and hydrocarbons only. Due to cross

sensitivity issues of the blends on the sensing device, the

resultant reading will not be correct in the analyzed

concentrations. However, this refrigerant identifier will

never identify any of the blends as pure R12 or pure R134a.

•Sample Filter Warning: Replace the sample filter of the

instrument AS SOON AS RED SPOTS OR DISCOLORATION BEGIN TO

APPEAR ON THE OUTSIDE DIAMETER OF THE WHITE ELEMENT. Failure

to properly maintain and replace the sample filter will

result in severe damage.

•Sample Input Warning: The instrument requires connection of

the supplied sample hose to the LOW SIDE OR VAPOR port of

refrigerant storage cylinders or vehicle air conditioning

systems. DO NOT attempt to introduce liquid or samples

heavily laden with oil into the instrument. DO NOT connect

the sample hose to the HIGH SIDE or LIQUID port!

•Liquid or oil laden samples will cause severe damage to the

instrument that will not be covered under warranty repairs.

•Battery Charger Warning: When charging the battery with the

1000mA charger, the charger will become warm. If the charger

becomes hot, unplug the charger immediately! When charging

multiple battery packs, allow the charger to cool between

each battery.

General Cautions

•Always inspect the sample hose before each use. Replace the

hose if it appears cracked, frayed, obstructed or fouled with

oil.

•ALWAYS turn the compressor or automobile engine off before

connecting the instrument to an air conditioning system.

•Always wear eye and skin protection when working with

refrigerants. Escaping refrigerant vapors will present a

freezing danger.

•To reduce the risk of electrical shock, do not disassemble

the instrument; do not use the instrument in wet or damp

areas.

•DO NOT direct refrigerant vapors venting from hoses towards

the skin.

•DO NOT disassemble the instrument. There are no serviceable

components internal to the instrument and disassembly will

void the warranty.

•ALWAYS place the Identifier on a flat and sturdy surface.

•DO NOT utilize any other hose other than those supplied with

the instrument. The use of other hose types will introduce

errors into the refrigerant analysis and instrument

calibration.

•ALWAYS verify that the refrigerant to be tested does not

contain or will not emit heavy loads of oil or liquid.

•NEVER admit any sample into the instrument at pressures in

excess of 300 psig.

•DO NOT utilize the coupler supplied on the service end of the

R134a Sample Hose for any application other than with the

instrument. The coupler supplied is a modified version that

does not contain a check valve and is not suitable for any

other refrigerant application.

•NEVER obstruct the air intake, sample exhaust or case vent

ports of the instrument during use.

1. Introduction and Overview

1.1 General

Contamination of refrigerants either in storage cylinders or vehicle

air conditioning systems can lead to component corrosion, elevated

head pressures and system failures when utilized by unsuspecting

technicians. The ability of the technician to determine refrigerant

type and purity is severely hampered by the presence of air when

attempting to utilize temperature-pressure relations. The

development of various substitute refrigerants further complicates

the ability of a technician to identify refrigerant purity based

upon temperature-pressure relationships. The substitute refrigerant

blends can also introduce a flammability hazard to the technician

and the ultimate end user of the vehicle air conditioning system.

The YELLOW JACKET Refrigerant Identifier will provide a fast, easy

and accurate means to determine refrigerant purity in refrigerant

storage cylinders or directly in vehicle air conditioning systems.

The instrument utilizes non-dispersive infrared (NDIR) technology to

determine the weight concentrations of refrigerant types R12, R134a,

R22, as well as, hydrocarbons and air. Refrigerant purity is

automatically determined for refrigerants R12 and R134a by the

instrument to eliminate human error. Pure refrigerant is defined as

a refrigerant mixture that contains 98%, by weight, or greater of

either R12 or R134a.

The instrument is supplied complete with a R12 and R134a sample

hose, a R134a adapter fitting to permit sampling of ACME ported

cylinders, a 12 VDC power cord and all required plumbing housed

within a rugged, portable, storage case.

Sample gas is admitted into the instrument through the supplied

sample hose and presented to the sensing device. The instrument

provides the user with direct percent by weight concentrations of

R12, R134a, R22 and hydrocarbons. If the sample is determined to be

pure R134a, the instrument will provide a direct readout of the

weight percentage of air within the sample. Note that the

instrument does not consider air to be a contaminate since it can be

removed by most refrigerant recycling equipment. Since air is not

considered to be a contaminate, it is possible to read 100% R134a

plus 5% air. The instrument only considers the weights of the

refrigerant and contaminates in the total mixture for R134a as air

contamination in R12 systems causes only minor performance

degradation.

The instrument interfaces with the user with an LCD graphic display,

status indicator lamps, push button communication switches and an

alarm horn. Alarm indications are provided to alert of instrument

fault conditions or contaminated refrigerant presence. Direct

percent by weight concentrations of the sample refrigerant is

provided on the display as well as user directions and prompts. An

optional on-board printer (Model RI-2004DXP) is available to print

on-the-spot customer confidence receipts.

The YELLOW JACKET Refrigerant Identifier will provide the

refrigerant technician with absolute knowledge of refrigerant

purity and protection against refrigerant contamination and

potential flammability.

1.2 Features

The YELLOW JACKET Refrigerant Identifier is the most advanced

instrument ever manufactured for determining the purity of gaseous

refrigerants for the automotive market.

Features Include:

•Advanced ergonomic design

•Fender friendly resting surface

•Large graphic display with on-screen instructions

•Ultra fast 60 second test time

•Blend-ID software to identify the presence of popular SNAP

Approved Blend Refrigerants

•Built in printer option for instant customer confidence

receipt

•Internal, rechargeable battery option for cordless operation

in any location

•Hard shell carry/storage case

Components

1.3.1 Base Unit

The base unit houses the Graphic Display, Infrared Bench, Electrical

Connections, and Optional Printer Module. These components require

no maintenance, therefore there are no serviceable components

internal to the instrument, and disassembly will void the warranty.

1.3.2 R134a Sample Hose

The 6-foot (1.8 meter) R134a Sample Hose is constructed of a nylon

inner tube and a polyurethane outer tube. The inner tube will

handle all of the refrigerant transfer and will provide containment

up to 300 psig. The outer tube will provide protection of the inner

tube from abrasion, nicking, cutting, etc. The hose is provided

with an instrument inlet port mating connector on one end and the

R134a Low Side Coupler on the service end.

Identifier End

Service End

R134a Low Side Coupler

Control Panel

Sample Filter

Printer Door

Air Intake Port

1.3.3 R12 Sample Hose

The 6-foot (1.8 meter) R12 Sample Hose is constructed of a nylon

inner tube and a polyurethane outer tube. The inner tube will

handle all of the refrigerant transfer and will provide containment

up to 300psig. The outer tube will provide protection of the inner

tube from abrasion, nicking, cutting, etc. The hose is provided

with an instrument inlet port mating connector on one end and a ¼”

SAE female flare coupling nut on the service end.

1.3.4 R134a Tank Adapter Fitting

The R134a Tank Adapter Fitting will provide the user with an adapter

to allow connection of the R134a sample hose service end to a R134a

cylinder ACME port.

1.3.5 Vehicle Power Cable

The unit is powered from a vehicles 12VDC battery. The power cable

is a 6-foot cable that has an instrument mating connector on one end

and vehicle battery connection clips on the other end. This harness

is utilized to connect power from the vehicle battery to operate the

instrument. Note: The vehicle power cable can be used with the

optional battery pack installed in the unit. The vehicle power

cable will not charge the battery.

Service End

(1/4 SAE Flare Nut)

Identifier End

R134a Low Side Stub

(Fits into R134a Low Side

Coupler)

½” Acme Thread

(Threads onto Cylinder Stub)

O-Ring Seal

(Internal)

1.3.6 Control Panel

The Control Panel serves as the main user interface. The Control

Panel features three soft key buttons that change their function as

the instrument changes modes. The current function for each button

is displayed by the soft key label at the bottom of the graphic

display. Red and Green LED’s at the top of the Control Panel are

used for visual Pass/Fail indications.

1.3.7 Back Panel Connections

The connections located on the back panel are illustrated below.

CAUTION: The sample outlet port should never be obstructed.

Keep the sample outlet port free and clear at all times.

Green LED

Red LED

Soft Key

Buttons

Power

On/Off

Graphic

Display

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