YASKAWA Z1000 Technical Manual page 146

Ac drive bypass for hvac fans and pumps 208 v: 1/2 to 100 hp 480 v: 3/4 to 250 hp
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5.6 E: Motor Parameters
Setting
Specification
8
50 Hz, Mid starting torque
9
50 Hz, High starting torque
A
60 Hz, Mid starting torque
B
60 Hz, High starting torque
C
90 Hz (with 60 Hz base)
D
120 Hz (with 60 Hz base)
E
180 Hz (with 60 Hz base)
F
<1>
<1> Setting F enables a custom V/f pattern by changing parameters E1-05. When the bypass is shipped, the default values for parameter E1-05 is are
equal to predefined V/f pattern 1.
The following tables show details on predefined V/f patterns.
Predefined V/f Patterns for Models Z1B1D002 to D024 and Z1B1B001 to B011
The values in the following graphs are specific to 208 Vac. Double the values for 480 Vac.
Setting = 0
50 Hz
200
15
9
0
1.3 2.5
50
Frequency (Hz)
Setting = 4
50 Hz
200
35
8
0
1.3
25
50
Frequency (Hz)
Setting = 8
50 Hz
200
19
11
0
1.3 2.5
50
Frequency (Hz)
Setting = C
90 Hz
200
15
9
0
1.5 3
60
Frequency (Hz)
146
60 Hz
Table 5.8 Constant Torque Characteristics, Settings 0 to 3
Setting = 1
200
15
9
0
1.5 3
Frequency (Hz)
Table 5.9 Variable Torque Characteristics, Settings 4 to 7
Setting = 5
200
50
9
0
1.3
25
Frequency (Hz)
Table 5.10 High Starting Torque, Settings 8 to B
Setting = 9
200
24
13
0
1.3 2.5
Frequency (Hz)
Table 5.11 Rated Output Operation, Settings C to F
Setting = D
200
15
9
90
0
1.5 3
Frequency (Hz)
YASKAWA ELECTRIC SIEP YAIZ1B 01E YASKAWA AC Drive – Z1000 Bypass Technical Manual
Characteristic
Select high starting torque when:
• Wiring between the drive and motor exceeds 150 m.
High starting torque
• A large amount of starting torque is required.
• An AC reactor is installed.
Output voltage is constant when operating at greater than
Constant output
60 Hz.
Used for variable torque applications. The default setting is
Variable torque
the same as V/f pattern Setting 7.
60 Hz
Setting = 2
200
15
9
60
0
1.5 3
50 Hz
Setting = 6
200
35
8
50
0
50 Hz
Setting = A
200
19
11
50
0
120 Hz
Setting = E
200
15
9
60
120
0
1.5 3
Application
60 Hz
Setting = 3
50
60
Frequency (Hz)
60 Hz
Setting = 7
1.5
30
60
Frequency (Hz)
60 Hz
Setting = B
1.5 3
60
Frequency (Hz)
180 Hz
Setting = F
60
180
Frequency (Hz)
72 Hz
200
15
9
0
1.5 3
60
72
Frequency (Hz)
60 Hz
200
50
9
0
1.5
30
60
Frequency (Hz)
60 Hz
200
24
15
0
1.5 3
60
Frequency (Hz)
60 Hz
230
17.3
10.2
0
1.5 3
60
Frequency (Hz)

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