Technical information

Control Wiring Installation Section 3

Installation Steps Quick Overview

Section 3.0

STEP 1

Review information associated with boiler and boiler control drawings

STEP 2

Install boiler control onto side of boiler and plug in sensors and

120VAC plugs into control from control harness

Supply 120VAC to control

STEP 3

STEP 4

Wire LWCO

STEP 5

Wire burner

• Control connections 41 & 90

• Burner power connections 120/240/208VAC

STEP 6

Control Module Installation

• Valve Module 24VAC/120VAC (Mixing and Isolation)

• Combustion Air Device Adaptor

• Common Combustion Air Device Adaptor

• Output Module

• Any required control outputs

STEP 7

Vitocontrol-S

• Supply 120VAC

• Control Module Installation

• Communications

STEP 8

BMS Control Connections

• Enable/disable

• Burner modulation

• Extension input module 0-10VDC

5346540 v1.0 09/2006 Technical information subject to change without notice