YASKAWA Z1000 Technical Manual page 205

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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No.
Z1-36
n
Z1-37: Set Time
Changes the LCD display to time setting to set the Real Time Clock.
Note:
Setting 2 is added in bypass controller software version VST800298. Setting 2 is not available in bypass controller software versions
VST800297 and earlier.
No.
Z1-37
Setting 0: Normal Display
Setting 1: Displays Time and Date Setting Mode
Setting 2: Reset Time
n
Z1-38: HOA Source Select
No.
Z1-38
Setting 0: Operator
The HOA keypad controls the HAND/OFF/AUTO commands.
Setting 1: Digital Inputs
The H1-oo multi-function digital input parameters control the HAND/OFF/AUTO commands.
Setting 2: Serial Communications
The serial communications protocol selected in parameter Z3-01 control the HAND/OFF/AUTO commands.
n
Z1-39: Drive/Bypass Source Select
No.
Z1-39
Setting 0: Operator
The HOA keypad selects the Drive or Bypass as the source.
Setting 1: Digital Inputs
The H1-oo multi-function digital input parameters select the Drive or Bypass as the source.
Setting 2: Serial Communications
The serial communications protocol selected in parameter Z3-01 selects the Drive or Bypass as the source.
n
Z1-40: Auto Transfer Wait Time
Sets the length of time that the bypass controller will wait before switching to bypass when Auto Transfer is enabled and a
drive fault is detected.
No.
Z1-40
n
Z1-41: HAND Speed Reference Selection
Selects the frequency reference source when in HAND Mode.
Note:
Parameter available in bypass controller software versions VST800298 and later.
No.
Z1-41
Setting 0: Parameter Z1-09
Parameter Z1-09 sets the frequency reference for the drive when in HAND Mode.
YASKAWA ELECTRIC SIEP YAIZ1B 01E YASKAWA AC Drive – Z1000 Bypass Technical Manual
Name
Loss of Load Bypass Time
Name
Set Time
Name
HOA Source Select
Name
Drive/Bypass Source Select
Name
Auto Transfer Wait Time
Name
HAND Speed Reference Selection
5.15 Z: Bypass Parameters
Setting Range
0.0 to 300.0
Setting Range
0 to 2
Setting Range
0 to 2
Setting Range
0 to 2
Setting Range
0.0 to 300.0 s
Setting Range
0, 1
Default
1.0 s
Default
0
Default
0
Default
0
5
Default
0.0 s
Default
0
205

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