background image

 

16 

DOT Recovery Cylinder Safety 

 

 

 

WARNING!

  

This unit is capable of over-pressurizing a DOT recovery cylinder. 

Ensure that you are using the proper DOT recovery cylinder for the refrigerant that you are 

recovering. 

 

R-410A is capable of pressures exceeding 600 psi.  

 

Typical DOT recovery cylinders are rated at 350 psi with a pressure relief set at 550 psi. 

These cylinders should not be used with R-410A!

 Only cylinders rated at 400 psi with a 

pressure relief set at 600 psi should be used to recover R-410A. Failure to use the proper 

cylinder can be extremely dangerous. 

 

If your STINGER is equipped with the optional 80% tank full shutoff cord, connect this cord to 

a DOT recovery cylinder’s float switch. This cord connection will automatically shut OFF the 

STINGER when the recovery cylinder reaches 80% of its liquid-full limit. It is recommended 

that you use this cord for added safety.  

 

If your STINGER is not equipped with an 80% tank full shutoff cord, or if you are using a 

recovery cylinder that does not have a float switch, 

then

 

you must use a scale to prevent 

overfilling the cylinder

.  

 

Note:

 If the 80% tank full shutoff cord is present, but not being used, then a shorting cap 

must be installed on the shutoff cord in order for the STINGER to operate. 

 

Bacharach uses and recommends the Air Conditioning & Refrigeration Institute's (ARI) 

Guideline K for the safe filling and handling of used refrigerant. This Publication is available 

from ARI at http://www.ari.org. 

 

The following information provides the safe fill weights for used refrigerant based on the size 

of the container and is in accordance with Guideline K: 

 

WATER 

CAPACITY 

NET REFRIGERANT 

WEIGHT 

GROSS CONTAINER 

WEIGHT (APPROX.) 

30 lbs 

24 lbs 

38 lbs 

50 lbs 

40 lbs 

59 lbs 

95 lbs 

76 lbs 

118 lbs 

145 lbs 

98 lbs 

153 lbs 

238 lbs 

190 lbs 

274 lbs 

 

Summary of Contents for High Performance Oilless Commercial Refrigerant Recovery...

Page 1: ...High Performance Oilless Commercial Refrigerant Recovery Unit User Manual 2079 1130 Rev 6 May 2010...

Page 2: ...air Decomposition products are hazardous Liquid contact may cause frostbite All refrigerant containers equipment and hoses are under pressure CAUTION Before operating this unit please read this manua...

Page 3: ...tank full shutoff kit P N 2090 0091 Pressure Ratings Low Side design pressure 450 PSI High Side design pressure 550 PSI Temperature Operating Range 32 to 104 F 10 to 40 C Case Blow Molded High Impact...

Page 4: ...d Recovery Hose Connections 10 Liquid Push Pull Recovery Operations 11 Liquid Pull Recovery Charging Method 13 R 410A Recovery Special Notes 14 Purging the STINGER 15 DOT Recovery Cylinder Safety 16 R...

Page 5: ...inders are rated at 350 psi with a pressure relief set at 550 psi These cylinders should not be used with R 410A Only cylinders rated at 400 psi with the relief valve setting at 600 psi should be used...

Page 6: ...icing otherwise an electrical shock hazard will be present when the unit is disassembled Use caution when connecting or disconnecting hoses Improper usage may result in refrigerant burns frostbite If...

Page 7: ...Full Shutoff Cord Optional This optional accessory connects to a DOT recovery cylinder s overfill sensor and automatically shuts the STINGER off when the recovery cylinder reaches 80 of its liquid fil...

Page 8: ...20 type plug that requires the use of a customer supplied power cord adapter 7 Outlet Port 3 Inlet Port Valve 6 Outlet Port Valve 2 Purge Valve 4 Inlet Port 11 Power Switch 8 Circuit Breakers 9 Locati...

Page 9: ...pen the vapor valve on the DOT recovery tank 4 Use the rear mounted power switch to turn ON the STINGER The compressor will now begin to recover refrigerant Note When recovering liquid in rare instanc...

Page 10: ...resulting in premature bearing failure Use the liquid push pull method or the liquid pull method to transfer large amounts of liquid refrigerant virgin or dirty Attention You must use an agency approv...

Page 11: ...tubing design on the equipment does not allow for a solid column of liquid refrigerant to be formed STEPS The liquid push pull recovery method requires the use of a third hose In addition a sight glas...

Page 12: ...inder and push the liquid out of the system and into the recovery cylinder 6 If a sight glass is being used you should watch it to determine when all of the liquid has been removed from the system 7 T...

Page 13: ...e liquid pull method to transfer large amounts of liquid refrigerant virgin or dirty The liquid pull method is used to move a large amount of liquid refrigerant without the refrigerant passing directl...

Page 14: ...R 410A just like R 22 Under certain conditions however because of R 410A s higher vapor pressure and density you will have to take the following precautions CAUTION USE ONLY DOT RECOVERY CYLINDERS AP...

Page 15: ...After recovery operations are complete and with the unit still powered ON and running make the following control valve position changes refer to illustration below Turn the inlet valve blue knob left...

Page 16: ...80 of its liquid full limit It is recommended that you use this cord for added safety If your STINGER is not equipped with an 80 tank full shutoff cord or if you are using a recovery cylinder that do...

Page 17: ...erant use the liquid push pull recovery method This method is three times faster than recovering liquid directly Refer to the liquid push pull instructions on Page 11 When possible recover from both t...

Page 18: ...in a few minutes pressure indication on HP gauge is high Purge valve is in Purge position during recovery and HP switch activates Discharge valve is not open and HP switch activates Recovery tank valv...

Page 19: ...19 Schematic Diagrams...

Page 20: ...ressure 1 9 2015 0140 Printed Circuit Board 110 120 VAC 1 9 2015 0160 Printed Circuit Board 220 VAC 1 10 2043 0160 Screen Guard Condenser 1 11 2043 0130 Screen Guard Fan 1 12 2014 0030 Circuit Breaker...

Page 21: ...21 STINGER Exploded View...

Page 22: ...Journal Bearing 1 2081 0260 9 Crank 1 2077 0940 10 Gasket 1 2081 0300 11 Crank Housing End Cover 1 2051 1920 12 Screw Cap M5 x 18MM 4 2081 0390 13 Shim 0 002 1 2081 0420 14 Shim 0 003 1 2081 0430 15...

Page 23: ...23 Compressor Exploded View...

Page 24: ...lacement Proof of purchase will be required in order to process the RGA OTC exchange units are processed as no charge orders If the unit is outside the 90 day OTC exchange period but within the 1 year...

Reviews: