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CBEX-DE
CleaverBrooks CBEX-DE User Manual
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Parts
6-8
750-392
CBEX-DE
6.4 — Blower Cassette
NOTE: Impeller size is based on boiler HP, ppm emission level, boiler operating pressure and altitude. To ensure
proper selection of impellers and other blower cassette components, contact Cleaver-Brooks Aftermarket.
UNCONTROLLED
UNCONTROLLED
UNCONTROLLED
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111
113
Table of Contents
Default Chapter
3
Table of Contents
3
CHAPTER 1 Introduction
5
Introduction
5
Overview
5
Component Locations
7
CHAPTER 2 Waterside Care
19
Water Requirements - Hot Water Boilers
20
Water Treatment
22
Cleaning
23
Boil-Out of a New Unit
24
Washing out
26
Blowdown - Steam Boilers
27
Periodic Inspection
30
Preparation for Extended Layup
31
Waterside Care
19
Water Requirements - Steam Boilers
19
CHAPTER 3 Preparations for Startup
33
Pre-Startup Adjustments
33
Burner Operating Controls: General
34
Control Checks
37
Low Water Cutoff Devices: Steam and Hot Water
38
Combustion Air Proving Switch
38
Atomizing Air Proving Switch
38
Gas Pilot Flame Adjustment
39
Gas Pressure and Flow Information
40
Adjusting Combustion
44
Linkage Settings (Optional Single-Point Systems)
44
Low Gas Pressure Switch
51
High Gas Pressure Switch
52
Burner Drawer Adjustment
52
Oil Drawer Switch
53
CHAPTER 4 Startup and Operation
55
Sequence of Operation
55
Flame Loss Sequence
58
General Preparation for Startup: All Fuels
60
Control Settings: Steam and Hot Water
61
Gas Pilot
61
Atomizing Air
61
Firing Preparations for No. 2 Oil (Series 100, 200)
63
Firing Preparations for Gas (Series 200, 700)
65
Startup, Operating, and Shutdown: All Fuels
66
Control Operational Checks
68
Troubleshooting
69
Emergency Shutdown
73
CHAPTER 5 Inspection and Maintenance
75
Periodic Inspection
76
Fireside Cleaning
77
Water Level Controls
77
Water Gauge Glass
78
Electrical Controls
79
Flame Safety Control
79
Removing Burner Drawer
81
Oil Burner Maintenance
81
Gas Burner Maintenance
83
Motorized Gas Valve
84
Solenoid Valves
84
Air Control Damper
84
Fan/Motor Cassette Removal
85
IFGR Inspection and Adjustment
86
Fan/Motor Cassette Replacement
87
Safety Valves
88
Fuel Oil Metering Valve
89
Air Pump and Lubricating System
91
Refractory
95
Front and Rear Access
100
Lubrication
102
Combustion Adjustments
102
Linkage Systems
103
CHAPTER 6 Parts
105
Parts
106
Burner Assembly 30 PPM/60 Ppm/Uncontrolled Emissions
106
Arch Brick and Liner Tile
109
Front Head
110
Blower Cassette
112
Modbus Actuators (Parallel Positioning)
113
Gas Train
116
Light Oil Components
117
Low Water Cutoff
119
Auxiliary Low Water Cutoff
120
Pressure Controls, Steam
121
Temperature Controls, Hot Water
122
Rear Head
123
4
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CleaverBrooks CBEX-DE Specifications
General
Brand
CleaverBrooks
Model
CBEX-DE
Category
Boiler
Language
English
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