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Page 21
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Technical Data
A533-23-880 Issue C
Figure 11 - Services connections dimensions (mm)
2.3
Temperature control system
2.4
Cooling Water Supply
Pumps are supplied with quick release connectors. The water supply should be provided with an isolator.
Note:
Use treated water or non-corrosive industrial water to cool the iF system.
FDP pump shut-down thermistor
Type
Negative Temperature
Coefficient thermistor
“Opening” temperature
60
±
3 °C
“Closing” temperature
50
±
4 °C
Thermocouples
K type class 1
FDP and HMB motor-protection thermistor type
Positive temperature coefficient
Reference temperature
HMB 150 °C; FDP 130°C,
(snap switch 155
±
3°C)
Compliant with
IEC 34-11 (BS4999 part III)
Water flow-switch
Closed when system flow > 6 l min
-1
(HMB flow > 2 l min
-1
)
Maximum supply pressure
100 psig (6.9 bar, 6.9 x 10
5
Pa)
Typical pressure differential across supply and return
*
iF1800
20 psi (1.34 bar, 1.34 x 10
5
Pa)
Minimum flow rate required for reliable iF system operation
iF1800
6 l min
-1
1. Cooling-water outlet
2. Cooling-water inlet
3. Nitrogen inlet
