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Benchmark 750-3000 Installation & Startup Manual
SECTION 6 – BOILER SEQUENCING TECHNOLOGY
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.
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Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
OMM-115_D
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5/9/2019
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