Installation
19
GA12119_00_A3 - 01/2012 - © Oerlikon Leybold Vacuum
3.4
Electrical Connection
Please note the safety information given in Section 0.2.
Before connecting the electrical connection cable, check to ensure that the
compressor unit is set for the correct line voltage. Refer to the compressor
unit operating instructions for details.
CAUTION
200
150
100
50
0
W
Q
1
300
0
50
100
150
200
250
K
T
1
5/100
140 T
7/25
50
30
20
10
5
0
W
Q
2
300
0
50
100
150
200
250
K
T
2
25
15
5/100
7/25
Refrigerating capacity
1
of the 1st stage as a function of
temperature T
1
of the 1st stage (2nd stage:
2
= 0).
Q
.
Q
.
Refrigerating capacity
2
of the 2nd stage as a function of tem-
perature T
2
of the 2nd stage (1st stage: T
1
= 80 K = constant)
Q
.
Operation with the recommended compressor unit at 50 Hz; measured under standard acceptance conditions:
(Cold head in vacuum, 2nd cold stage thermally shielded by a high gloss nickel-plated radiation shield on the 1st refrigerating stage.
Load
simulated by electrical heater.)
Q
.
Fig. 4 Refrigerating capacities as a function of the temperature
