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Cooling TOWER Fan Settings
Figure 22, TOWER Fan Setpoint Screen (See page 3635 for complete explanation.)
Table 14, Tower Fan Settings
Description
Tower Control
Stage Up Time
Tower Stages
Stage Down Time
Stage Differential (Lift)
Stage #1 On (Lift)
Stage #2 On (Lift)
Stage #3 On (Lift)
Stage #4 On (Lift)
Stage Differential (Temp)
Stage #1 On (Temp)
Stage #2 On (Temp)
Stage #3 On (Temp)
Stage #4 On (Temp)
OMM WCT
Default
Range
None,
None
Temperature, Lift
2 min
1 to 60 min
2
1 to 4
5 min
1 to 60 min
6.0 psi
1.0 to 20.0 psi
35 psi
10 to 130 psi
45 psi
10 to 130 psi
55 psi
10 to 130 psi
65 psi
10 to 130 psi
3.0 F
1.0 to 10.0 F
70 F
40 to 120 F
75 F
40 to 120 F
80 F
40 to 120 F
85 F
40 to 120 F
Centrifugal Chillers
Pass-
word
None: No tower fan control
M
Temperature: Fan and valve controlled by EWT
Lift: Fan and valve controlled by lift pressure
Time delay between stage up/down event and next
M
stage up
M
Number of fan stages used
Time delay between stage up/down event and next
M
stage down
M
Fan staging deadband with Setpoint # 1=Lift
M
Lift pressure for fan stage #1 on
M
Lift pressure for fan stage #2 on
M
Lift pressure for fan stage #3 on
M
Lift pressure for fan stage #4 on
M
Fan staging deadband with Setpoint #1=Temp
M
Temperature for fan stage #1 on
M
Temperature for fan stage #2 on
M
Temperature for fan stage #3 on
M
Temperature for fan stage #4 on
Comments
D-EOMWC01302-16EN - 35/84
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