YASKAWA Z1000U Technical Manual page 190

5.14 Z: Bypass Parameters
Setting
14 Bypass Mode Selected
15 Drive or Bypass Fault Active
16 Drive Fault Active
17 Bypass Fault Active
18 Auto Transfer Active
19 Serial Run Command Active
20 Damper Actuator Output
21 ON Always
n Z2-31: Safety Open Message Selection
Sets the fault message displayed when an FB01 fault is triggered. This parameter also determines the text that is displayed on
the top line of the HOA keypad.
No.
Z2-31
Setting 0: Safety Open
Setting 1: Fire Stat
Setting 2: Freeze Stat
Setting 3: Smoke Alarm
Setting 4: Over Pressure
190
Function
Name
Safety Open Message Selection
DIGITAL OPERATOR
ALM
BYP-SAFETY OPEN
UB-01= 0.0A
UB-02=10000101 LSEQ
LREF
UB-03=00001000
RLY DRV/BYP
LO
ESC
RE
RESET ENTER
DIGITAL OPERATOR
ALM
RUN STOP
BYP-FIRE STAT
UB-01= 0.0A
LSEQ
UB-02=10000101
UB-03=00001000 LREF
DRV/BYP
RLY
LO
ESC
RE
RESET ENTER
DIGITAL OPERATOR
ALM
RUN STOP
BYP-FREEZE STAT
UB-01= 0.0A
UB-02=10000101 LSEQ
LREF
UB-03=00001000
RLY DRV/BYP
LO
ESC
RE
RESET ENTER
DIGITAL OPERATOR
ALM
RUN STOP
BYP-SMOKE ALARM
UB-01= 0.0A
UB-02=10000101 LSEQ
LREF
UB-03=00001000
RLY DRV/BYP
LO
ESC
RE
RESET ENTER
DIGITAL OPERATOR
ALM
RUN STOP
BYP-OVR PRESSURE
UB-01= 0.0A
LSEQ
UB-02=10000101
UB-03=00001000 LREF
DRV/BYP
RLY
LO
ESC
RE
RESET ENTER
RUN STOP
Setting
22 Loss of Load Detected
Run Verify
The digital output closes when the drive or bypass output
23 current exceeds 10% of the value set in E2-01.
The digital output opens when the drive or bypass output
current falls below 5% of the value set in E2-01.
Not Used (Through Mode)
99 This setting allows serial communications to control the
output.
Setting Range
ALM
DIGITAL OPERATOR
BYP-FAULTED
FB01
Safety Open
DRV/BYP
RLY FWD
LO
ESC
RE
RESET ENTER
ALM
DIGITAL OPERATOR
RUN STOP
BYP-FAULTED
FB01
Fire Stat
RLY FWD DRV/BYP
LO
ESC
RE
RESET ENTER
ALM
DIGITAL OPERATOR
RUN STOP
BYP-FAULTED
FB01
Freeze Stat
RLY FWD DRV/BYP
LO
ESC
RE
RESET ENTER
ALM
DIGITAL OPERATOR
RUN STOP
BYP-FAULTED
FB01
Smoke Alarm
DRV/BYP
RLY FWD
LO
ESC
RE
RESET ENTER
ALM
DIGITAL OPERATOR
RUN STOP
BYP-FAULTED
FB01
Over Pressure
RLY FWD DRV/BYP
LO
ESC
RE
RESET ENTER
RUN STOP
YASKAWA SIEP YAIZ1D 01C Z1000U HVAC MATRIX Drive Bypass Technical Manual
Function
Default
0 to 6 0