YELLOW JACKET R22-404A-410A Refrigerant Manifold Instructions

“Series 41”
Brass Manifold R22-404A-410A Refrigerant Manifold
For use by professionals only

Instructions

Due to the unusually high pressures and hazardous gases used in refrigeration and air conditioning, only trained refrigeration and air conditioning technicians should use this equipment. Proper procedures must be used.
Section 608 of the Federal Clean Air Act requires that all persons who maintain, service, repair, or dispose of appliances must be certified since November 14, 1994.
Failure to comply can cost you and/or your company as much as $25,000 per day, per violation. The EPA also offers a reward up to $10,000 for providing information concerning violations to the Act.
Ritchie Engineering Company, Inc.
YELLOW JACKET Products Division 10950 Hampshire Avenue S.
Bloomington, MN 55438-2623 U.S.A.
e-mail: [email protected]
Web Site: www.yellowjacket.com
Phone: (952)943-1333
Fax: (800)322-8684
Int’l Fax: (952)943-1605

PROCEDURES

The various service and testing procedures below can be performed after the manifold gauge set has been installed as shown in the diagrams above.
Check System Pressures:

1. Close low side (vapor) valve by turning in all the way (A).
2. Close high side (liquid) valve by turning in all the way (B).
3. Crack open the back seat of the high side valve (C).
4. Crack open the back seat of the suction side valve (D).

Charge vapor refrigerant into system:

1. Connect vapor side of refrigerant cylinder to hose on center port (E).
2. Close high side valve (B).
3. Open suction side valve (A).
4. Close the front seat of suction valve slowly (D).

Charge liquid refrigerant into high side:

1. Connect refrigerant cylinder to hose on center port E (liquid side).
2. Close valve A.
3. Open valve B.
4. Mid-position valve C.
5. Mid-position valve D.

Purge condenser:

1. Close valve A.
2. Open valve B.
3. Crack open valve C.

Charge oil into compressor:

1. Connect oil supply to hose on center port E.
2. Open valve A.
3. Close valve B.
4. Turn valve D all the way in.

Over-pressuring the gauge voids warranty

Note:
Check equipment manufacturer’s catalog or instruction sheet for specific recommendations on refrigerant charge, oil change and service procedures for any particular piece of equipment.
Pull vacuum:

1. Connect vacuum pump to hose on center port E.
2. Use Schrader core tools to remove cores for faster vacuum.
3. Open valve A.
4. Open valve B.
5. Mid-position valve C.
6. Mid-position valve D.

Build up pressure on low side to test for leaks or to set controls:

1. Seal E with seal cap.
2. Open valve A.
3. Open valve B.
4. Back seat then crack open valve C.
5. Mid-position valve D.

LIFETIME GUARANTEE: Your new YELLOW JACKET® manifold bar is covered by a unique LIFETIME GUARANTEE. The LIFETIME GUARANTEE applies only to the manifold bar shown below. However, in order for us to provide the best resolution, we ask that you include the manifold bar, gauges, valves & handles when returning for service. DO NOT include any hoses with the return. If for any reason the manifold bar becomes inoperative, please contact YELLOW JACKET® customer service for a warranty service repair order (SRO) authorization number and label  that must accompany the manifold upon return. Postage and handling costs vary by items and will be advised by the customer service representative.
NOTE: The most common problem is wear on the piston (Part # 41133), which is available from your wholesaler.
Replacement parts and the complete YELLOW JACKET® product line can be purchased from your Ritchie Engineering, YELLOW JACKET® distributor.

Printed in U.S.A.
Part #500238E

References

• HVAC Supply - Gauges, Adapters & More - From YELLOW JACKET®

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