AERCO BMK 2.0 LN Natural Gas (SN G-11-1861 and above) - Manual (Page 32)

Chapter 2
Benchmark 2.0LN Low NOx Boiler
GF-123
Installation Installation, Operation and Maintenance Manual OMM-0046_0E
Page 32 of 170 AERCO International Inc.● 100 Oritani Dr. ● Blauvelt, NY 10913. ● Ph: 800-526-0288 PR1 08/20/12
Diagram 2-1b: Schematic – System Pump Start using a Separate Contact Relay
Figure 2-11: Identifying the Presence of BMK Pump Relay Option 69102