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Fixation and wrapping of float ball
Operating height is the water level above sump bottom during operation.
Operating water level
1.
Operating height
2.
Overflow
Operating heights for the evaporative cooling equipment are indicated in the tables below:
Model
Operating height (measured from pan bottom)
(mm)
VXI-9, 18, 27, 36
340
VXI-50
420
VXI-70, 95, 145, 190, 290
430
VXI-C72, VXI-C108
430
VXI-180, 360
460
VXI-144, 215, 288, 430
350
Operating heights
To check the operating level, proceed as follows:
1. Shut off fan(s) but keep pump(s) running.
2. Remove circular access door next to make-up connection.
3. Measure height from sump bottom to water level and compare with face value from table.
4. Check valve for leakage and replace valve, if necessary.
5. Check that float arm can move freely and that float ball floats and closes valve.
W W W . B A L T I M O R E A I R C O I L . E U
21
5 Maintenance Procedure
5 Maintenance Procedure