Technical Data; Operating And Storage Conditions; Electrical Data; Single-Phase Motors; Electrical Data; Three-Phase Motors - Edwards E1M5 Instruction Manual

2

TECHNICAL DATA

2.1

Operating and storage conditions

Ambient temperature range (operation)
Normal surface temperature of the
pump-body at ultimate vacuum (operation)
ambient temperature of 20
Maximum humidity (operation)
Ambient temperature range (storage)
2.2 Electrical data: single-phase motors
The electrical data for single-phase motors is given in Table 1. The motor start-up current is
drawn for less than one second, so you must use slow-blow fuses to prevent unnecessary fuse
failure when the pump starts. If you use the pump at temperatures lower than 12
current will be drawn for longer; this may cause the motor thermal overload device to open.
2.3 Electrical data: three-phase motors
The electrical data for three-phase motors is given in Table 2. The motor start-up current is drawn
for less than one second, so you must use slow-blow fuses to prevent unnecessary fuse failure
when the pump starts.
2.4

Lubrication data

Note: An Edwards Health and Safety Data Sheet for the following oil is available on request.
Recommended oil*
Maximum oil capacity
* To operate the pump when the ambient temperature is outside the range specified in Section
2.1, or to optimise the pump performance when you process condensable vapours, you may need
a different oil.
4
12 to40
45 to 65
°
C
90%RH
-30 to 70
Ultragrade 19
0.6 litre (E1M5 or 8)
0.55 litre (E2M2, 5 or 8)
0.8 litre (E2M12)
E2M2, E1/E2MS and 8, E2M12 Rotary Vacuum Pumps
°
C
°
C
°
C
°
C, the start-up