Benchmark 750-3000 Installation & Startup Manual
SECTION 6
– BOILER SEQUENCING TECHNOLOGY
OMM-115_D
•
GF-200
•
5/9/2019
Technical Support
•
(800) 526-0288
•
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126
OPTION 7 - Remote Setpoint With Modbus Header Sensor And 4-
20ma Setpoint Drive Instructions
Step 3: Configure ALL C-More Units
On ALL Boilers:
1. Go to the
Configuration
menu and set the BST Menu item to
Enabled
.
2. Go to the Boiler Sequencing Menu and set the BST Mode item to
BST Client
(for now).
On MANAGER only:
3. Go to the BST Setpoint item and enter the Failsafe Setpoint.
4. Go to the BST Setup Menu item and set to
Enabled
.
5. Go to the BST Setpoint Mode item and select
Remote Setpoint
.
6. Go to the BST Remote Signal and select either 4-20ma or 0-20ma.
7. Go to the Head Temp Source item and select
Network
.
8. Go to the Header Temp Addr item and enter the Modbus Address (240).
9. Go to the Header Temp Point item and enter the Modbus Point (14).
When ALL C-More units have been configured:
10. Go to the Boiler Sequencing Menu of the Manager unit and set the BST Mode item to
BST
MANAGER
.
