Yaskawa Z1000U HVAC Matrix Bypass - Manual (Page 207)

5.14 Z: Bypass Parameters
Z parameters control bypass-specific functions.
u Z1: Bypass Control System
n Z1-01: Initialize
Sets parameters to default values.
No. Name Setting Range Default
Z1-01 Initialize 0 to 3 0
Setting 0: No Initialize
Setting 1: Set all parameters to default values
Setting 2: Set only Bypass Controller parameters to default values
Setting 3: Set only Drive Controller parameters to default values
n Z1-02: Password
Allows and restricts access to all parameters. Setting this value equal to the value in Z1-03 toggles access to all parameter
settings, except Z1-02. If the value entered to Z1-02 matches the value entered to Z1-03, the access to all parameters is denied
or granted.
No. Name Setting Range Default
Z1-02 Password – –
n Z1-03: Password Change
The value entered to this parameter is the password.
No. Name Setting Range Default
Z1-03 Password Change 0 to 9999 0
n Z1-05: Auto Transfer to Bypass Upon Drive Fault
Switches operation to Bypass mode when the drive is running and a drive fault occurs. When the fault is cleared, operation
will switch back to Drive mode
No. Name Setting Range Default
Z1-05 Auto Transfer to Bypass Upon Drive Fault 0, 1 0
Setting 0: Disable
Setting 1: Enable
n Z1-06: Power-Up Mode
Determines the mode of the Bypass Control upon power-up.
No. Name Setting Range Default
Z1-06 Power-Up Mode 0 to 4 0
Setting 0: OFF
When drive powers up , it will be in “OFF” mode and will need an “AUTO” or “HAND” command to run.
Setting 1: AUTO-DRIVE
When drive powers up , the drive will get an “AUTO” command and needs an “OFF” command to stop.
Setting 2: HAND-DRIVE
When drive powers up , the drive will get a "HAND” command and needs an “OFF” command to stop.
Setting 3: AUTO-BYPASS
When drive powers up , the bypass will get an “AUTO” command and needs an “OFF” command to stop.
5.14 Z: Bypass Parameters
YASKAWA SIEP YAIZ1D 01A Z1000U HVAC MATRIX Drive Bypass Technical Manual 207
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Programming