REFCO RL-8 User Manual
Page 2

REFCO Manufacturing Ltd.
Telefon
+41 41 919 72 82
Industriestrasse 11
Telefax
+41 41 919 72 83
6285 Hitzkirch - Switzerland
[email protected] www.refco.ch
REFCO Manufacturing Ltd.
Telefon
+41 41 919 72 82
Industriestrasse 11
Telefax
+41 41 919 72 83
6285 Hitzkirch - Switzerland
[email protected] www.refco.ch
RL vacuum pumps 
Thank you for choosing a REFCO vacuum pump. We are proud of each 
and every REFCO product and are dedicated to ensuring our products 
always perform reliably. 
The design of the vacuum pump ensures that the requirements of the 
relevant CE directives and standards are fulfilled. Reading the following 
operating instructions thoroughly and following our recommendations 
will give you important information for the smooth operation and 
maintenance of your pump and help to prolong its lifespan. 
Please observe the warning signs!
They are indicated by this symbol: This international symbol warns
of hazards which could lead to serious injury or material damages.
Contents 
Important safety notices …..………..………………………………………………3 
Use of the pump ……..……………………..…………………………………………4 
Set up operation/transport ..…………………..………………………………..4, 5 
Electric data …..………………………………………………………………………..5 
Technical description …………………………………………………………………5 
Contents of delivery of standard execution RL-2, RL-4, RL-8 ……………5, 6 
Other accessories ……………………………………………………………………..6 
Note ….……………………………………………………………………………………6 
Service/Oil change ………………………………………………………………….6, 7 
Trouble shooting …………………………………………………………………….7, 8 
Warranty …………………………………………………………………………………8 
Technical data ………………………………………………………………………….9 
Spare parts ………………………………………………………………………2, 9, 10 
Environmental issues ………………………………………………………………10 
 
Important safety notices 
Before working with the vacuum pump, please read the
instruction manual carefully. This manual contains 
important information regarding the smooth operation, 
maintenance and disposal of the vacuum pump. 
The vacuum pump should only be operated on a fused
power supply and must be correctly earthed. If the mains 
cable is damaged or cut through during operation, do not touch the 
cable and unplug the mains plug immediately. The device should 
never be used with a damaged cable. 
REFCO products have been specially designed and
manufactured for use by trained refrigeration installation 
engineers. Because of the high pressures and the chemical 
and physical gases used in refrigeration systems, REFCO 
cannot be held responsible or liable for any accidents, 
injuries or deaths arising from the use of their products. 
REFCO explicitly states that their products must only be 
sold to professionally-trained experts.  
Use of the pump 
The REFCO vacuum pumps have been especially designed and 
manufactured for the evacuation of closed vessels and units in the 
field of refrigeration and air-conditioning. The pump must always be 
operated by a qualified professional technician! 
This pump should only be operated by qualified personnel.
Suitable protective equipment like gloves, goggles and safety 
footwear should be worn when working with refrigeration 
systems. 
The vacuum pump should not be exposed to rain, or used in wet
or damp conditions.
The vacuum pump must only be used in the field of
refrigeration and air-conditioning and must not be used, built in 
or mounted into other appliances and applications. 
The vacuum pump must not be used as a compressor or to
build up pressure with air or other gases.
The vacuum pump must not be operated in flammable
environments or places where explosive gas could be present.
The vacuum pump must not be used in connection with
aggressive liquids and gases such as i.e. ammonia or pure 
oxygen which could cause damage to parts and components of 
the pump. 
Combustible refrigerants such as i.e. R600a, R600, R290, must
be vented through the exhaust to the outside of buildings by 
means of a venting hose (see accessories). 
The vacuum pump must not be used to pump liquids such as
i.e. water, fuels, oils, beverages, other liquid food, liquid refuse 
or faeces. 
 
Set up operation/transport 
The vacuum pumps supplied without electrical plug must be equipped 
with an electrical triple-pole plug according to the norms and 
regulations of the country where the vacuum pump will be used. The 
plug must be fitted by a trained professional. The electrical power 
supply, with which the vacuum pump will be run, must be in 
accordance with the voltage and frequency indicated on the rating 
plate of the vacuum pump. The vacuum pump must only be connected 
to a fused electric installation. 
