Owner manual

Benchmark 1500DF - 2000DF Boilers
CHAPTER 10. BOILER SEQUENCING TECHNOLOGY
Page 124 of 196 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0098_0A
04/01/2014 Ph.: 800-526-0288 GF-144
10.2 AERCO BST Quick Start Chart
Select the single option that suites your installation and then complete the instructions in the
corresponding sub-sections of section 10.3 BST Implementation Instructions.
Constant Setpoint (choose option 1 or 2)
Option 1 – Direct Wired Header
Complete section 10.3.1
OR
Option 2 – Modbus Header
Complete section 10.3.2
Outdoor Reset (choose option 3 or 4)
Option 3 – Direct Wired Header AND Direct Wired Outdoor Air
Complete section 10.3.3
OR
Option 4 – Modbus Header AND Modbus Outdoor Air
Complete section 10.3.4
Remote Setpoint (choose option 5 through 8)
Option 5 – 4-20ma Drive AND Direct Wired Header
Complete section 10.3.5
OR
Option 6 – Modbus Drive AND Direct Wired Header
Complete section 10.3.6
OR
Option 7 – 4-20ma Drive AND Modbus Header
Complete section 10.3.7
OR
Option 8 – Modbus Drive AND Modbus Header
Complete section 10.3.8