OMM-0153_E
• 5/11/2023 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 76 of 124
CENTURION Installation, Operation & Maintenance Manual
SECTION 8: WATER HEATER MANAGEMENT
WHM Cascade
→
Cascade Comm Parameters
Menu Item
Display
Available Choices or Limits
Default
Minimum
Maximum
Unit
Address
0
16
0
The address in the WHM Cascade of the current unit.
Min
Address
1
16
1
WHM Manager only:
The minimum address in the WHM cascade
Max
Address
1
16
16
WHM Manager only:
The maximum address in the WHM cascade
Cascade
Baud Rate
9600, 19200, 38400, 57600
9600
The rate at which information is transferred in a communication channel.
Network
Timeout
5
999
30 sec.
The timeout value before a Modbus Fault is declared due to no response from the
WHM Manager unit or (if a Manager) from the BAS
Error
Threshold
1
9
5
The number of Modbus Comm errors allowed before invoking a Modbus Comm Fault.
Comm Error
1- 8
0 0 0 0 0 0 0 0
Read Only
WHM Manager only:
Displays the number of comm errors on Clients 1
–
8
Comm Error
9- 16
0 0 0 0 0 0 0 0
Read Only
WHM Manager only:
Displays the number of comm errors on Clients 9
–
16
SSD Address
0
250
0
The Client/Client Device address (for backwards compatibility).
SSD Temp
Format
Degrees or Points
Degrees
WHM Manager only: Choose Degrees or Points
Unit Failsafe
Mode
Constant Setpt or Shutdown
Constant Setpt
Specifies the plant’s operating mode if there is a loss of communication with BAS
Unit Failsafe
Setpoint
60
170
160
Specifies the plant’s setpoint if there is a loss of communication.
Time &
Date Sync
Enabled/Disabled
Enabled
WHM Manager only:
If Enabled, all WHM Client units will synchronize time and date
with the WHM Manager.
WHM Min
Units
1
16
1
WHM Manager only
–
The minimum number of
unit’s valve open all the time
in the
WHM cascade (may differ from
Min Address
)
WHM Max
Units
1
16
1
WHM Manager only:
The maximum number of units in the WHM cascade (it can differ
from
Max Address
)
WHM On
Timeout
15 Sec
300 Sec
60 Sec
WHM Manager only
–
Specifies the time the WHM Manager must wait for a Client unit
to turn on.