Lennox GCWB95W-150 Application Guide

2
TABLE OF CONTENTS
Important Safety Information ........................................................................................ 3
Labor Saving Piping Manifolds / Near Boiler Piping Connections
....................................4
General Information - Hydronic Piping
...........................................................................5
General Information - Wiring
......................................................................................... 6
Piping and Wiring Diagrams
Piping Legend
......................................................................................................... 7
150 & 205 With Zone Circulator Pumps - Piping Diagram
............................................. 8
150 & 205 With Zone Pumps - Wiring Diagram
.......................................................... 9
150 & 205 With Zone Pumps
.................................................................................. 9
150 & 205 With Zone Valves - Piping Diagram
...........................................................10
150 & 205 With Zone Valves - Wiring Diagram
.........................................................11
150 & 205 With Zone Valves
..................................................................................11
Buer Tank - Piping Diagram
....................................................................................... 12
Optional Equipment & Accessories
............................................................................... 13
Wiring Diagrams
............................................................................................................16
150 - Combi Wiring Diagram ..................................................................................16
205 - Combi Wiring Diagram
..................................................................................17
Altitude Eects On Boiler Performance
................................................................................18
Low Water Cuto
......................................................................................................... 19
LWCO Wiring Diagram
...........................................................................................19
Piping Diagram - LWCO Location
.............................................................................20
Low Water Cuto - Detail
.......................................................................................21
Error Code Table
........................................................................................................... 22
Troubleshooting Chart
.................................................................................................. 23
Fault Solution Sections
................................................................................................. 25
PN 240012998 REV A [04/15/2020]

Lennox GCWB95W-150 Specifications

General

Brand	Lennox
Model	GCWB95W-150
Category	Boiler
Language	English