Owner's manual

Chapter 5 – Parameters and Programming
5-5
Program Group
P# Parameter Description
Min/Max
Range
Units Factory
Default
37 [Maximum Voltage] Sets the highest voltage that the controller will
output.
P37 – [Maximum Voltage] must be greater than or equal to P36 – [Base Voltage].
20 to 510 for
460V units and
20 to 255 for
230V units
1 Volt 460 Volts for
460V units
and 230 for
230V units
38
[
Boost
S
elect
] Sets the boost voltage and redefines the Volts per Hz
curve.
[Base Frequency], %
[Base Voltage], %
50
100
1/2
Base
Volts
50 100
1/2 Base
Freq.
9
10
11
12
0
1
8
y
b
See Settings 1
through 8 below
Setting Boost Voltage % of [Base Voltage]
1
2.5
2
5.0
3
7.5
4
10.0
5
12.5
6
15.0
7
17.5
8
20.0
0
0
Setting Fan/Pump Curves
➀
➀
Break Point Voltages
in % of
[Base Voltage]
.
9
45.0
10
40.0
11
35.0
12
30.0
0 to 12 Numeric
Value
2
39
[Skip Frequency] Works in conjunction with P40 – [Skip
Frequency Band] creating a range of frequencies at which the controller will
not operate continuously.
'
b
y
Two times
P40–[Skip Freq Band]
Setting
'
Skip
Frequency
Setting
Frequency
Time
Controller Output
Frequency
a
Command
Frequency
0 to 240 1 Hz 240 Hz
40 [Skip Frequency Band] Determines the band around the P39 –
[Skip Frequency] parameter. The actual band width will be 2 times [Skip
Frequency Band] – 1/2 the band above and 1/2 the band below. A value of zero
will disable the skip frequency.
0 to 30 1 Hz 0 Hz