Promax RG3000-E Manuale utente

USER´S MANUAL

RG3000-E

Advanced Test Products Europe RG3000-E

TABLE OF CONTENTS

I) Safety precautions

A) The safe way is the only way! 1

B) Refrigerant gas recovery & containment 2

II) Important general information 3

III) Operating procedures

A) Operating your RG3000-E 4-6

B) Set-up procedures 7-9

C) Purging the non-condensable gases 10

IV) Diagrams

A) Parts list 11

B) Refrigerant flow diagram 12

C) Wiring diagram 13

V) Automatic safety pressure switch 14

VI) Care and maintenance 15

VII) Technical data 16

VIII) Helpful hints 17-19

IX) Troubleshooting 20

Design specifications and material are subject to change without notice. REV2 82011AS

This manual may not be reproduced in any way, shape or form without express writen consent of

Advanced Test Products Europe.

Advanced Test Products Europe RG3000-E

- 1 -

THE SAFE WAY IS THE ONLY WAY!

NOTE! If you are not a qualified refrigerant service technician,

do not use this equipment

1. The technician should always wear goggles and gloves when working on

refrigeration systems.

2. Be sure that any room where you are working is thoroughly ventilated, especially if

a leak is suspected. Refrigerant vapor is hazardous to your health and can cause

death.

3. Always think before acting. Familiarity breeds carelessness and carelessnes scan

be harmful to your health or, worse, result in death.

4. Read the Material Safety Data Sheets (MSDS) on all compounds with which you

are likely to come in contact. Read MSDS on refrigerant and refrigerant oil. Obtain

MSDS sheets from your refrigerant supplier.

5. Never use oxygen when testing for leaks. Any oil in contact with oxygen under

pressure will form an explosive mixture.

6. Refrigerant systems are generally electrically driven and controlled. Be sure to

disconnect the unit from the power source before servicing it.

7. Always store refrigerant containers in a cool, dry place.

8. Always open service and cylinder valves slowly. This allows quick control of the flow

of gasses if there is any danger. Once it is determined that there is no danger, the

valves may be opened fully.

9. Do not mix refrigerant in a system, a tank or anywhere else. Each type of refrigerant

must have its own tank, filters, etc.

10. If moisture enters the refrigerant system, it is likely to cause considerable damage.

Keep everything connected with the refrigeration system thoroughly dry and clean.

11. To reduce the risk of fire, avoid the use of extension cords as they may overheat.If

you must use an extension cord it should be a minimum of 12 AWG and not longer

than 5m.

This equipment should be used in locations with mechanical ventilation providing at

least four air changes per hour, or the equipment should be located at least 45cm

(18”) above the floor. Do not use this equipment in the vicinity of spilled or open

containers of gasoline or any other flammable liquid.

Advanced Test Products Europe RG3000-E

- 2 -

REFRIGERANT GAS

RECOVERY & CONTAINMENT

Safety comes first. Read all safety information for the safe handling of refrigerant

including the Material Safety Data Sheet provided by your refrigerant supplier. Never

operate unit in an explosive environment. Wear safety glasses and protective gloves.

Work area must be well ventilated. This unit should only be operated by a qualified

technician.

*** CAUTION: REFRIGERANT STORAGE CONTAINERS ***

Use only approved cylinders with a minimum of 41 bar working pressure that meet the

current regulations.

NOTE: Recovery cylinders are designed for different pressures. Do not exceed the

working pressure of each cylinder.

Safety codes recommend that closed tanks not be filled over 80% of volume with liquid.

The remaining 20% is called head pressure room.

NEVER TRANSPORT AN OVERFILLED CYLINDER

Refrigerant expands when it gets warm and may cause a tank to explode if overfilled.

CYLINDER TEMP. 16 °C 21 °C 38 °C 54 °C 66 °C

STARTING WITH

CYLINDER 80%

FULL BY VOLUME

SPACE OCCUPIED

BY LIQUID

STARTING WITH

CYLINDER 90%

FULL BY VOLUME

SPACE OCCUPIED

BY LIQUID

80 % 81% 83% 90% 94%

90% 92% 96% 100%

Advanced Test Products Europe RG3000-E

- 3 -

IMPORTANT

GENERAL INFORMATION

Before operating the RG3000-E recovery unit, read the following:

1. Storage cylinders sometimes have valves that are not properly seated when

manufactured. Keeping caps on these valves will guard against refrigerant leakage.

2. Always operate the unit on a flat level surface.

3. Your RG3000-E has one internal pressure shut off switch. If the pressure inside the

system should go above 38,5 bar (550 psi), the system will automatically shut itself

off.

CAUTION

The 38,5 bar (550 psi) switch does not prevent tank overfill. If your system shuts

off on high pressure and is connected to your tank, you may have overfilled your

tank and created a very dangerous situation! Take immediate measures to relieve

any high pressure and/or tank overfill.

4. WARNING! Never overfill storage tanks. Overfilling may cause tanks to explode.

5. A scale must be used to avoid overfilling the storage tank.

6. Tanks and filters should be used for one refrigerant only. Before using a tank

previously used for another refrigerant, completely empty the tank, evacuate it,

purge the tank using dry nitrogen, and re-evacuate it.

7. Special care should be taken when recovering from a burned-out system. Use two

high acid capacity filters, in series. Alco type EK-162-F or Sporlan type C-162-F are

recommended.

8. When you have finished recovering from the system, flush your RG3000-E with a

small amount of refrigerant oil and a small amount of clean refrigerant to purge off

any foreign substances left in the unit.

9. Always empty refrigerant from the unit into a storage tank; see Purge/Auto

Evacuate procedure. Liquid refrigerant left in the condenser may expand, causing

damage to components.

Advanced Test Products Europe RG3000-E

- 4 -

OPERATING YOUR RG3000-E

Connect your RG3000-E to a 230 V outlet and close both valves on the RG3000-E.

Open the valves to the cylinder and system and make sure no air is in the hoses, only

clean refrigerant. Open the outlet valve on the unit .Switch the main power switch to the

ON position. The fan and compressor will start running. Slowly open the inlet valve on

the unit and the refrigerant will start to move.

OPERATING PROCEDURES

NOTE: To change from Recovery mode to Purge:

If available, close the valve from the system to the inlet hose and wait untill

the LP gauge shows 0,1 bar. Then close the Inlet valve of the RG3000-E.

Turn the unit off after the unit goes in to vacuum and switch off the RG3000-

E. Close the outlet valve of the RG3000-E and close the valve on the

cylinder.

NORMAL RECOVERY

PURGE / AUTO EVACUATE

Advanced Test Products Europe RG3000-E

- 5 -

OPERATING YOUR RG3000-E

Procedure for Normal System Recovery

1 Inspect the RG3000-E thoroughly to insure that it is in good operating condition.

2 Make sure all connections are correct and tight (see diagram on page 8)

3 Open the liquid valve of the recovery cylinder (always open valves slowly to check

hoses and connections for leaks).

4 Open the outlet valve of the RG3000-E.

5 Open the liquid valve on the manifold gauge set; opening the liquid valve will

remove the liquid from the system first, greatly reducing the recovery time (after the

liquid has been removed, open the manifold vapor valve to finish evacuating the

system).

6 Connect your RG3000-E to a 230 V outlet.

7 Switch the main power switch to the ON position. You should hear the

fan and compressor running.

8 Slowly open the inlet valve on the RG3000-E.

a) If the compressor starts to knock, slowly throttle back the inlet valve

until the knocking stops.

b) If the inlet valve was throttled back, it should be fully opened once the

liquid has been removed from the system (the manifold vapor valve

should also be opened at this time).

9 Run the unit until minimum required vacuum is achieved.

a) Close the manifold vapor and liquid valves.

b) Close the RG3000-E inlet valve.

c) Shut unit off and proceed with the Purge procedure on the next page.

10 Always purge the RG3000-E after each use. Failure to purge the remaining

refrigerant from the RG3000-E could result in the acidic degradation of internal

components, ultimately causing premature failure of the unit.

CAUTION

When pumping liquid, do not allow the RG3000-E to operate with the inlet valve

too far open, causing the compressor to knock. Doing so may damage the

compressor.

Advanced Test Products Europe RG3000-E

- 6 -

OPERATING YOUR RG3000-E

Procedure for Purging Remaining Refrigerant From the RG3000-E

1. Close the valves of the system being serviced that are connected to the inlet

valve of the RG3000-E.

2. Close the inlet valve on the RG3000-E. The outlet valve should remain open.

3. Run the unit until desired vacuum is achieved.

4. Turn the RG3000-E off.

5. Close the valves on the recovery tank and the outlet valve on the RG3000-E.

6. Disconnect and store all hoses.

7. Replace the in-line filter on your RG3000-E after each time excessive contaminant

is encountered.

Important Note

We strongly recommend the use of Robinair hoses with Quick Seals™ to avoid wasting

refrigerant because of their unique reverseable, built-in, check valve.

RA69060A - set of 3 hoses wit Quick Seals™ Red, Yellow and Blue; 152cm long.

Advanced Test Products Europe RG3000-E

- 7 -

RG3000-E REFRIGERANT RECOVERY

ADDITIONAL INFORMATION

To achieve the deepest final vacuum, use the tank cooling method to lower the head

pressure on the recovery tank. Repeat as necessary to achieve the desired vacuum

level.

NOTE: If there is no liquid in the recovery tank, then the cooling method will not work. In

this case, use an empty tank that has been fully evacuated to achieve the final vacuum

level required.

To maximize recovery rates use the shortest possible length of 3/8” or larger hose. A

hose no longer than 90cm is recommended. Always remove all unnecessary hose core

depressors and Schraeder valves from valve connections (using the proper valve core

removal tool) for maximum flow. Deformed rubber seals and core depressors in hoses

and faulty or unnecessary Schraeder valves can restrict flow by up to 90%.

If the tank pressure exceeds 31,5 bar, use the tank cooling procedure to reduce the

tank pressure. When recovering large amounts of liquid, use the “PUSH/PULL” method

of recovery (see diagram below).

CAUTION: When using the “PUSH/PULL” method, you must use a scale to prevent

overfilling the storage tank. Once the “PUSH/PULL” siphon is started, it can continue

and overfill the storage tank even if the tank is equipped with a float level sensor. The

siphon can continue even when the machine is turned off. You must manually close the

valves on the tank and the unit to prevent overfilling the recovery tank.

SET-UP DIAGRAM FOR TANK PRE OR SUB COOLING

PROCEDURE

To start you must have a minimum of

2,5 kg of liquid refrigerant in the tank.

Throttle the outlet valve so that the

outlet pressure is 7 bar (100 psi)

greater than the inlet pressure, but

never more than 31,5 bar (450 psi).

Run the unit until the tank is cold.

Advanced Test Products Europe RG3000-E

- 8 -

SET-UP DIAGRAM FOR REFRIGERANT RECOVERY

This method is the fastest method for recovering vapor refrigerant.

SET-UP DIAGRAM FOR “PUSH/PULL” METHOD

Push pull only works with large systems where the liquid is readily accessible. Do not

use this method on systems that contain less than 15 pounds as it may not work.

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