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CleaverBrooks FLX Series User Manual
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MODEL FLX
P
ACKAGED BOILER
Operation, Service, and Parts Manual
1,500,000 to 12,000,000 Btu/hr
F
uel: Light Oil, Gas or Combination
Please direct purchase orders for replacement manuals
to your local Cleaver-Brooks authorized representative
Manual Part No. 750-177 R6
Revised 5/2014
Printed in U.S.A.
Cleaver-Brooks 2014
1
3
Table of Contents
Default Chapter
4
Table of Contents
4
Chapter 1 Basics of Flexible Watertube Operation
7
General
7
The Boiler
8
Construction
9
Steam Controls (All Fuels)
9
Hot Water Controls (All Fuels)
10
Chapter 2 Profire V Burner
13
Introduction
13
Firing Head
16
Oil System
16
Gas System
19
Installation
21
Startup and Operation
31
Adjustments
38
Gas System
46
Oil System
49
Combination Gas-Oil System
51
Modulation Control
52
Air and Fuel Controls
54
Maintenance
55
Troubleshooting
62
Burner Specs
65
Chapter 3 Pressure Vessel Care
69
General
69
Water Requirements (Hot Water Boilers)
69
Water Requirements (Steam Boilers)
72
Water Treatment
72
Blowdown
73
Cleaning
74
Boilout
75
Washing out
77
Periodic Inspection
78
Preparation for Extended Layup
79
Chapter 4 Sequence of Operation
81
General
81
Circuit and Interlock Controls
81
Sequence of Operation - Oil or Gas
83
Flame Loss Sequence
84
Chapter 5 Adjustment Procedures
91
General
91
Linkage - Modulating Motor & Air Damper
91
Modulating Motor
92
Modulating Motor Switches - Low Fire and High Fire
92
Burner Operating Controls - General
92
B. Linkage - Modulating Motor & Air Damper
92
Modulating Pressure Control (Steam)
95
Operating Limit Pressure Control (Steam)
95
High Limit Pressure Control (Steam)
95
Modulating Temperature Control (Hot Water)
96
Operating Limit Temperature Control (Hot Water)
96
High Limit Temperature Control (Hot Water)
96
Low Water Cutoff Devices
96
Combustion Air Proving Switch
96
Gas Pilot Flame Adjustment
97
Gas Pressure and Flow Information
97
Gas Fuel Combustion Adjustment
98
Low Gas Pressure Switch
99
High Gas Pressure Switch
100
Fuel Oil Pressure and Temperature - General
100
Fuel Oil Combustion Adjustment
102
Low Oil Pressure Switch
102
Chapter 6
105
Troubleshooting
105
Chapter 7 Inspection and Maintenance
111
General
111
C. Fireside Cleaning
111
Periodic Inspection
112
Upper Pass Cleaning
113
Controls
114
Oil Burner Maintenance
118
Gas Burner Maintenance
118
Refractory
119
Casing Seals
119
Chapter 8 Parts
121
Steam Pressure Controls
128
Water Level Controls
129
Water Column, Main and Aux. - 15# Steam
131
Water Column, Main and Aux. - 150# Steam
132
Safety Valves
133
4
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CleaverBrooks FLX Series Specifications
General
Brand
CleaverBrooks
Model
FLX Series
Category
Boiler
Language
English
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