Watts AERCO Benchmark BMK750 Operation And Service Manual page 23

Benchmark with Edge [I]: Operation-Maintenance Manual
SECTION 2: OPERATION
Warm Weather Shtdwn
Auto-Manager Transfer
Auto Failover Type
Auto-Manager Timer
Auto-Manager Addr
Backup Manager Addr
Hdr Temp Sensor
SH Sensor Comm Addr
SH Hdr Temp Point
DHW Temp Sensor
DHW Hdr Sens Point
DHW Temp Unit Addr
Rtn Hdr Temp Sensor
Rtn Hdr Sens Point
Outdoor Air Temp Sens
Outdoor Temp Addr
OAT Temp Point
Main Menu → Advanced Setup → BST Cascade → Cascade Communication
Parameter Name
Unit Address
Min Address
Max Address
Cascade Baud Rate
Plant Failsafe Mode
Plant Failsafe Setpoint
Network Timeout
OMM-0145_A99 • GF-218 •
Numeric Entry Client/Manager
Toggle Manager
Toggle Manager
Numeric Entry Manager
Read Only Manager
Numeric Entry Manager
Select Manager
Numeric Entry Client/Manager
Numeric Entry Manager
Select Manager
Numeric Entry Manager
Numeric Entry Manager
Select Manager
Numeric Entry Manager
Select Client/Manager
Numeric Entry Manager
Numeric Entry Manager
Type
Numeric Entry
Numeric Entry
Numeric Entry
Select
Toggle
Numeric Entry
Numeric Entry
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The threshold outside temperature above which the
unit shuts down (Outdoor Air Temp Sens =
Network, Direct or BAS).
Allows BST Manger functionality to be transferred
to another unit if the BST Manger malfunctions.
Choose either C-More or Edge 2.
Specifies duration of BST Manger malfunction that
triggers Auto-Manager Transfer (10 to 120).
The address of the current BST Manger (0 to 16).
The address of the unit designated as the Backup
BST Manger (0 to 16).
Choose how the unit communicates with the
Header Temp Sensor: Off, Network, FFWD Temp
or BAS.
Specify the Modbus transmitter address (0 to 255,
Outdoor Air Temp Sens , Hdr Temp Sensor or
DHW Temp Sensor = Network or BAS).
The Modbus point within the Modbus address of
the Header Temp Sensor (0 to 255, Outdoor Air
Temp Sens , Hdr Temp Sensor or DHW Temp
Sensor = Network or BAS).
Choose how to communicate with the DHW
temperature sensor: Off, Network, Direct or BAS
(in the Application Configuration screen,
Application = Other).
Specify the Modbus point within the Modbus
address where the DHW temp sensor resides
(DHW Temp Sensor = Network or BAS).
Specify the unit to which the DHW Header Temp
Sensor is connected (0 to 16, DHW Temp Sensor
= Direct).
Choose how the unit communicates with
Header Temp Sensor: Off,
The Modbus point within the Modbus address of
the Header Temp Sensor (0 to 255, Rtn Hdr Temp
Sensor = Network).
Once Enabled, specifies how the outdoor air
temperature sensor communicates. Choose: Off,
BAS, Direct or Network.
The Modbus transmitter address of the outdoor
temp sensor (0 to 255, Outdoor Air Temp Sens =
Network).
The Modbus point within the Modbus address of
the Outside Air Temp Sensor (0 to 255, Outdoor
Air Temp Sens = Network).
BST Client
Description
BST Manager
The unit's address in the BST cascade.
Client/Manager
The minimum address in the BST cascade (1 to
Manager
16).
The maximum address in the BST cascade (1 to
Manager
16).
Client/Manager The communication baud rate in the cascade.
The unit/plant's operating mode if communication is
Client/Manager
lost: Shutdown or Constant Setpoint.
The unit/plant's setpoint if communication is lost
Client/Manager
(Unit Failsafe Mode = Constant Setpoint).
The timeout before a Modbus Fault is declared (5
Client/Manager
to 999 sec.).
Network or BAS.
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