Watts Aerco INN 1060N - Page 117

Innovation - Edge [i] Installation, Operation, Maintenance Manual
CHAPTER 8 – WATER HEATER MANAGEMENT
OMM-0143_A • GF-216 • 9/6/2019 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 117 of 170
TABLE 8-6b: WHM Cascade → Cascade Communication Parameters
Menu Item Display
Available Choices or Limits
Default
Minimum
Maximum
Unit Address
1
16
1
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, 115200
19200
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
9
0
WHM Manager only – Displays the number of comm errors on Clients 1 – 8
Comm Error 9- 16
0
9
0
WHM Manager only – Displays the number of comm errors on Clients 9 – 16
SSD Address
0
250
0
WHM Manager only – 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
150
120
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 units in the WHM cascade (it can 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