Yellow Jacket 8002, 68004, 68006, 68008, 68010, 68011, 68016, 68024, 68104, 68108, 68032, 68036, 68043, 68047, 68132, 68136, 68143, 68147, 68064, 68068, 68164, 68168 Manual

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CERTIFIED REFRIGERANT TEST GAS MIXTURES

Some municipalities require the use of a certified test gas to validate the installation prior to approving the Building Inspection. YELLOW JACKET does not offer certified test gases but has identified the following source which can ship the gas via UPS.

They are small high pressure cylinders which require a special regulator. The test gases are mixed with dry nitrogen or air depending on the gas under test and are shipped via UPS ground.

MSA Mine Safety Appliances 121 Gamma Drive

Pittsburgh, PA 15238-2919, US 1-800-672-2222 http://www.msanet.com

Part No.

Description

Cyl. Size

459948

0.25 L/min Regulator

 

803500

R134a, 100 PPM Test Gas

100 L

710874

R134a, 990 PPM Test Gas

100 L

494450

Hydrocarbon, 100 PPM Test Gas

100 L

711078

Ammonia, 25 PPM NH3 Test Gas

34 L

To ensure the certified gas remains at the correct PPM (parts per million) concentration, tape a small box with a hole in it, over the senor to retain the gas. Insert the flexible hose into the hole and fill the box with the test gas for 60 seconds. Close the cylinder and hold the hose in the hole.

The system under test should respond to the test gas within three to four minutes time.

WARRANTY

This product is fully warranted against defective materials and/or workmanship for a period of one year after purchase, provided it was not improperly used. For your

protection, please use this product as soon as possible. If returned, it must be securely wrapped, sent prepaid and insured to Ritchie Engineering Co., Inc.

YELLOW JACKET®

Leak Monitors

Instruction Manual

Refrigerant Models:

68002

68004

68006

68008

 

68010

68011

68016

68024

 

68104

68108

 

 

Ammonia Models:

68032

68036

68043

68047

 

68132

68136

68143

68147

Hydrocarbon Models:

68064

68068

68164

68168

Ritchie Engineering Co., Inc.

YELLOW JACKET Products Division

10950 Hampshire Avenue South

Bloomington, MN 55438-2623

Telephone: 800-769-8370

Fax: 800-322-8684

E-mail: custerv@yellowjacket.com

Web: www.yellowjacket.com

Printed in U.S.A.

P/N 395098_B

The instructions contained in this manual must be adhered to or the correct operation of this product may be impaired resulting in danger from unobserved gas leaks.

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INSTALLATION INSTRUCTIONS

The controller and its sensors should be positioned carefully to avoid mechanical damage, i.e. moving product, machinery, doors, etc.. They should also be kept away from heat sources and should not be placed in strong drafts or in high moisture areas.

DO NOT route sensor cables on building exteriors or between buildings via overhead cables. Also, sensor wiring should be kept a minimum of 1.5 feet (500mm) from electrical and telephone cables. (See section on sensor location).

The controller and sensor must be installed in accordance with these instructions to protect this equipment and ensure its correct performance.

QUANTITY AND LOCATION OF SENSORS

Sensor cable length must not exceed recommendations for the type of monitor if the unit is to operate correctly. For one and two sensor models the wires to the sensors cannot exceed 200 feet (60 meters). For four and six sensor models the sensor wires cannot exceed 500 feet (160 meters).

It is sometimes difficult to determine the number of sensors needed and the best location of the sensors, as there is no hard and fast rule. However, there are a number of simple guidelines which help to make the decision easier. Most standards normally recommend some degree of ‘overkill’ to ensure adequate coverage.

The two methods of locating sensors are “Point”, where sensors are located near the most likely sources of leakage, and “Perimeter”, where sensors completely surround the hazardous area. The size and nature of the site will help to decide which of these methods is the most appropriate to use, consider the following:

Mechanical obstructions to inhibit air flow

Plenums for return air

Heat domes created by large boilers or equipment.

Product which limits gas movement

Where is the system vulnerable to breakage

Dangerous to Life if Leak Occurs

YELLOW JACKET sensors can be calibrated for a maximum sensitivity to either group “A” or group “C” refrigerant gases. If not specified ,the default is to Group A gases.

Important: Do not try to economize by using the minimum number of sensors possible. A few extra sensors could make all the difference when a gas leak occurs!

POSITIONING SENSORS

When detecting a refrigerant gas with vapor density greater than 1 (i.e. heavier than air) the sensors should be located near ground level, approximately 16 –20” (40-50cm) from the floor. Examples of such gases would be butane, LP Gas, xylene and very cold ammonia in a deeply refrigerated cold storage.

For any lighter than air gases, such as ammonia, methane or hydrogen, the sensor needs to be located higher, 8-12” (20-30cm) from top of wall.

2

MAKING AND USING A REFRIGERANT TEST GAS MIXTURE

Materials:

1 gallon plastic jug (clean) and screw cap (with seal) 10 to 15cc syringe

Cylinder of virgin refrigerant

Procedure:

NOTE: Perform these steps in an area away from the refrigerant monitor.

1.Clean the plastic jug by blowing it out with compressed air. Start with the syringe plunger fully engaged (0cc). Carefully fill the syringe with vapor refrigerant from the virgin cylinder. This should be done in an area away from the plastic jug.

TIP: A YELLOW JACKET quick coupler gasket (#19020) inserted in the end of the syringe will help make a seal at the cylinder port. Open the cylinder valve until a light hiss can be heard. This will purge air from the cylinder port. Press the syringe against the cylinder port and watch the plunger move as the syringe fills. Close the cylinder valve when the syringe is full.

2.Immediately turn the syringe so the opening is upward. Slowly move the plunger to obtain the desired volume (4cc for a ~1000ppm mixture, 2cc for a ~500ppm mixture). If the plunger moves below the desired volume, go back to step 2.

3.Once the proper volume is achieved in the syringe, place your finger over the opening of the syringe to contain the measured gas. Place the opening of the syringe into the opening of the plastic jug, remove your finger, and slowly release the refrigerant sample down into the jug by pressing on the plunger.

4.When the syringe plunger is fully engaged, remove the syringe from the jug, place the screw cap on the jug, and tighten the screw cap so it seals. Allow the jug to sit in an upright position for a few minutes. Then turn the jug upside down and allow it to sit for a few more minutes in this position. This will allow the refrigerant to blend with the air in the jug.

A NOTE ON TESTING

To test refrigerant monitors, open the jug screw cap and place the opening of the jug over the sensor, holding it so it seals against the sensor housing. This will minimize the dissipation of the sample. Once the test is completed, immediately replace the screw cap. Avoid rapid movement of the jug when it is open, as this will create air currents that will dissipate the sample. Mix a fresh sample as required.

SYSTEM TECHNICAL DATA

Controller:

Steel

 

Mounting:

Wall or Bulkheads

Audio Alarm:

1/2 Sensors

internal 80 dB/12 V DC Horn

 

4/6 Sensors

external 110 dB/12 V DC Horn

Outputs:

Dry Contacts rated for 10 A @ 120/230 VAC

 

Uncommitted 12 v DC @ 100mA (4/6 Sensor Models)

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