YASKAWA Z1000U Technical Manual page 321

Low harmonic drive bypass for hvac applications
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No.
(Addr.
Name
Hex)
Z1-11
(85D0) 2-Motor AND/OR
Function Select
Z1-12
(85D1) Run Delay Time
Z1-13
(85D2) Pre-Interlock Run
Select
Z1-14
(85D3) Run Delay Frequency
Reference
Z1-15
(85D4) Interlock Wait Time
Z1-24
(85DD) Contactor Open Delay
Time
Z1-25
(85DE) Contactor Close Delay
Time
Z1-27
(08E0) Phase Loss Brownout
Voltage Level
Z1-28
Phase Loss Brownout
(85E1)
Detection Time
PL Brownout T
Z1-29
(85E2) Phase Loss Blackout
Voltage Level
Z1-30
(85E3) EF0 Fault Delay Time EF0 Flt Delay T
Z1-31
(85E4) Loss of Load Detection
Enable
Z1-32
(85E5) Loss of Load Drive
Frequency
YASKAWA SIEP YAIZ1D 01C Z1000U HVAC MATRIX Drive Bypass Technical Manual
LCD Display
0: Disabled (ignore digital inputs)
1: Always use only motor 1
2: Always use only motor 2
2-Mtr AND/OR Sel
3: Always use motors 1 AND 2
0: Disable
4: OR function motor selected by digital input in HAND and
1: Always Mtr 1
AUTO modes
2: Always Mtr 2
5: OR function use motor 1 in HAND mode and motor selected
3: Alws Mtr 1 AND 2
by digital input in AUTO mode
4: OR DI HAND/
6: OR function use motor 2 in HAND mode and motor selected
AUTO
by digital input in AUTO mode
5: OR 1 H DI AUTO
7: AND/OR function motor selected (1, 2, or both) by (2) digital
6: OR 2 H DI AUTO
inputs in HAND and AUTO mode
7: AND/OR B DI
8: AND/OR function use motor 1 in HAND mode and motor
8: AND/OR 1 H DI A
selected (1, 2, or both) by (2) digital inputs in AUTO mode
9: AND/OR 2 H DI A
9: AND/OR function use motor 2 in HAND mode and motor
10: AND/OR B H DI A
selected (1, 2, or both) by (2) digital inputs in AUTO mode
10: AND/OR function use motors 1 AND 2 in HAND mode and
motor selected (1, 2, or both) by (2) digital inputs in AUTO mode
Delays the drive or bypass Run from when commanded (after
RUN, RUN ENABLE, and RUN INTERLOCK are all asserted).
Run Delay Time
Allows running at a preset speed starting immediately upon a Run
command, ignoring the BAS Interlock Input. The drive frequency
Pre Int Run Sel
reference stays at this preset speed until the Run Delay time
0: Disable
(Z1-12) times out.
1: Enable
0: Disabled
1: Enable delay time only
Frequency used while delaying the Run command.
Run Delay Fref
Upon entering a Run command, the damper actuator output will
be asserted. When an input is programmed for Interlock and the
Interlck Wait
time set to this parameter is reached before the Interlock input
goes active, a fault will be declared.
A setting of 0.0 will never time out.
Sets the time to delay after commanding the drive output
contactor K2 or bypass contactor K3 or 2-Motor OR/AND
Kx Open Delay
contactors K4 and K5 to open to allow the contacts to open.
Sets the time to delay after commanding the drive output
contactor K2 or bypass contactor K3 or 2-Motor OR/AND
Kx Close Delay
contactors K4 and K5 to close to allow the contacts to close.
Sets the voltage level below which is considered a brownout
condition.
PL Brownout V
Sets the time that the input voltage is continuously measured to
be below the Brownout Voltage level before declaring a
PL Brownout T
Brownout fault.
Sets the voltage level below which is considered a blackout
condition. When the input voltage is measured below this level,
PL Blackout V
a Blackout fault will be declared.
Sets the time between declaring a drive fault and opening the
drive and bypass contactors.
Loss of Load En
0: Disable
0: Disable
1: Enable and declare fault.
1: Enable Fault
2: Enable and alarm only
2: Enable Alarm
Sets the value to which the drive output frequency must be equal
to or greater than for the drive to detect a loss of load.
Load Drive Freq
B.15 Z: Bypass Parameters
Description
Values
Page
Default: 0
179
Range: 0 to 10
Default: 0.0 s
Min.: 0.0
179
Max.: 300.0
Default: 0
179
Range: 0, 1
Default: 60.0
<1>
Hz
179
Min.: 0.0
Max.: 60.0
Default: 0.0 s
Min.: 0.0
179
Max.: 300.0
Default: 0.2 s
Min.: 0.0
181
Max.: 5.0
Default: 0.2 s
Min.: 0.0
182
Max.: 5.0
Default: 98 V
Min.: 0
182
Max.: 150
Default: 3.0 s
Min.: 0.0
182
Max.: 300.0
Default: 0 V
B
Min.: 0
182
Max.: 150
Default: 1.0 s
Min.: 0.0
182
Max.: 300.0
Default: 0
182
Range: 0 to 2
Default: 60.0
<1>
Hz
182
Min.: 0.0
Max.: 60.0
321

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