Building Automation System Connections - Bradford White LAARS NEOTHERM LC NTH1000 Installation And Operation Instructions Manual

LAARS Heating Systems
Page 32
7.H Building Automation System Connections
This unit can be controlled (in either single or cascade) and monitored through the included Modbus ports.
Signals from a Building Automation System can be connected to the MB2 Modbus connections on the
controller. Follow instructions included with the BAS control to mount it to the provided holes in the unit
Control Panel as shown in Figure 18. Laars Gateway Control (Kit and Instructions, H2354400 Doc# 4236).
Green
Gateway Controller
Yellow
Blue
Unit 1
White
Red
Black
TB
Panel slides outward
Figure 18. Connections for Gateway Controller and Lead Lag.