Robinair 15234 User Manual
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Operating
M
anual
1.2 cfm
(at 60 Hz)
Models 15234/15226/15296
Two-Stage V acuum Pump
For use with refrigerants
R-12, R-22, R-500, R-502, or R-134a
PARTS IDENTIFICATION
BLACK EXHAUST
PLUG (NOTE VENT HOLE)
RED SHIPPING PLUG
(REMOVE AND
DISCARD)
GAS
BALLAST
VALV E
“TEE” FITTING
OIL LEVEL
INLET
SIGHT
GLASS
INLET
CAP
1
/2" ACME INLET
(R-134a)
1
/4" MFL INLET
(R-12, 22, 500, 502)
WARNING!
Use separate manifolds and hoses for R-134a systems. Crosscontamination with other refrigerant types will cause severe
damage to the A/C systems and to service tools and equipment.
Do not mix refrigerant types through a system or in the same
container!
For use on A/C systems using CFCs, HCFCs, and HFCs in
conjunction with mineral oil, ester oil, alkylbenzene oil, and
PAG oil as lubricants. Not for use with ammonia or lithium
bromide systems. Not for use with flammable refrigerants.
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© 2000, SPX Corporation
INTRODUCTION
Your vacuum pump has been factory tested and meets Robinair’s stringent
quality standards. This high performance pump will provide you with years of
trouble-free service if you follow these instructions for operating and maintaining the pump.
The pump’s offset rotary vane design provides high efficiency operation. The
motor is properly sized to ensure 32oF (0oC) starting at 90 percent of the rated
voltage. And the inlet “tee” fitting lets you use one pump for R-12, R-22,
R-500, R-502, and R-134a systems.
Be careful when removing the pump and contents from the shipping carton. If
there is any apparent shipping damage to the pump, the shipping company
should be notified immediately and the container saved for inspection.
OPERATING INSTRUCTIONS
WARNING! Wear safety goggles when working with
refrigerants. Contact with refrigerant can cause eye
injury.
1. Remove and discard the red shipping plug at the top of the finned reservoir.
2. Fill the pump reservoir to the “OIL LEVEL” line on the sight glass on the
front of the pump. Use the oil packaged with the vacuum pump or fresh
Robinair Premium High Vacuum Pump Oil, available at your supplier.
3. Install the black plastic operating exhaust plug. Note that the operating plug
is notched to allow exhaust flow.
CAUTION! Do not attempt to operate the pump with the exhaust
port plugged. To do so could result in permanent damage to the
pump or could cause the plug to be blown from the pump reservoir.
4. Note the electric motor voltage rating, and connect to the proper power
source.
CAUTION! Avoid the use of extension cords. An extension cord may overheat and cause fire. If you must use an
extension cord, use the shortest possible cord with a
minimum size of 14 AWG.
You are now ready to remove the inlet cap for the appropriate inlet (1/4" for
R-12, R-22, R-500, and R-502; 1/2" Acme for R-134a) to connect the pump to
the air conditioning system. Follow the system manufacturer’s directions for
evacuation.
Vacuum Pump Models 15234/15226/15296
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