CleaverBrooks CB70 Manuals

Manuals and User Guides for CleaverBrooks CB70. We have 1 CleaverBrooks CB70 manual available for free PDF download: Operation And Maintenance Manual

CleaverBrooks CB70 Operation And Maintenance Manual (146 pages)

Packaged Boiler 50 - 100 HP Light OIl, Heavy Oil, Gas, or Combination

Brand: CleaverBrooks | Category: Boiler | Size: 6 MB

Table of Contents
5
General Description
13
Overview
13
The Boiler
13
Burner and Control System
14
Control and Component Function
15
Controls Common to All Boilers
15
Steam Controls: All Fuels
19
Hot Water Controls: All Fuels
20
Controls for Gas Firing
20
Controls Common to Oil Fired Boilers (Including Combination)
23
Additional Controls for Heavy Oil (No. 4, 5, and 6)
25
Controls for Combination Burners Only
26
Combustion Air
27
Automatic Ignition
27
Atomizing Air
28
Oil Fuel Flow: Light Oil
28
Oil Fuel Flow: Heavy Oil
30
Gas Fuel Flow
34
Modulating Firing
34
The Pressure Vessel
37
Overview
37
Construction
37
Water Requirements
38
Hot Water Boiler
38
Air Removal
38
Minimum Boiler Water Temperature
38
Rapid Replacement of Boiler Water
38
Continuous Flow through the Boiler
39
Water Circulation
39
Multiple Boiler Installations
39
Pressure Drop through Boiler
40
Pump Location
40
Pump Operation
40
Pressure
40
Steam Boiler
41
Feed Pump Operation
41
Water Feeder Operation
41
Water Treatment
42
Cleaning
43
Hot Water and Steam Piping
43
Pressure Vessel
43
Boil-Out of a New Unit
44
Washing out
46
Hot Water Boiler
46
Steam Boiler
46
Blowdown: Steam Boiler
46
Manual Blowdown
47
Continuous Blowdown
47
Frequency of Manual Blowdown
47
Manual Blowdown Procedure
48
Periodic Inspection
49
Preparation for Extended Layup
50
Sequence of Operation
51
Overview
51
Courtesy Of: C3 Surplus LLC
51
Surplus Industrial Superstore
51
Https://Www.c3Surplus.com
51
Circuit and Interlock Controls
52
Sequence of Operation: Oil or Gas
53
Pre-Purge Cycle
53
Ignition Cycle
54
Run Cycle
54
Burner Shutdown Post Purge
55
Flame Loss Sequence
55
No Pilot Flame
56
Pilot but no Main Flame
56
Loss of Flame
56
Starting and Operating Instructions
59
General Preparation for Startup: All Fuels
59
Control Settings: Steam and Hot Water
60
Gas Pilot
61
Atomizing Air
61
Firing Preparations for No. 2 Oil: Series 100-200
62
Oil Flow
62
Oil Pressure
63
Starting
63
Firing Preparations for No. 4 Oil: Series 800-900
64
Oil Flow
65
Oil Pressure
65
Starting
65
Firing Preparations for No. 5 Oil: Series 300-500
65
Oil Flow
66
Oil Temperature
66
Starting
66
Firing Preparation for No. 6 Oil: Series 400-600
66
Oil Pressure
67
Oil Temperature
67
Starting
68
Firing Preparations for Gas: Series 200-300-400-700-900
68
Control Operational Test and Checks
72
Revised 2010)
72
Adjustment Procedures
73
Overview
73
Linkage: Modulating Motor and Air Damper
73
Modulating Motor: Honeywell M954B or M954C
76
Modulating Motor Switches: Low and High Fire
76
Burner Operating Controls: General
77
Gas Pilot Flame Adjustment
81
Gas Pressure and Flow Information
83
Pressure
83
Gas Flow
84
Pressure Correction
84
Gas Fuel Combustion Adjustment
86
Low Gas Pressure Switch
89
High Gas Pressure Switch
89
Fuel Oil Pressure and Temperature: General
89
Fuel Oil Combustion Adjustment
90
Burner Drawer Adjustment
92
Oil Drawer Switch
93
Low Oil Temperature Switch
94
High Oil Temperature Switch (Optional)
94
Low Oil Pressure Switch (Optional)
94
Troubleshooting
97
Inspection and Maintenance
101
Overview
101
Periodic Inspection
101
Fireside Cleaning
102
Water Level Controls and Waterside of Pressure Vessel
102
Water Gauge Glass
104
Electrical Controls
104
Program and Flame Safety Control
105
Checking Pilot Flame Failure
106
Checking Failure to Light Main Flame
106
Checking Loss of Flame
106
Oil Burner Maintenance
107
Oil Strainers
107
Light Oil Strainers
107
Heavy Oil Strainers
107
Fuel Oil Treatment
107
Cleaning Oil Nozzle
107
Air Purge Nozzle (No. 6 Oil), Back Pressure Orifice Nozzle (No. 2 Oil)
108
Ignition System
108
Gas Burner Maintenance
109
Motorized Gas Valve
109
Solenoid Valves
110
Cam Spring
110
Forced Draft Fan
110
Safety Valves
111
Fuel Oil Metering Valve, Adjusting and Relief Valves
112
Air Pump and Lubricating System
114
Air Pump
114
Lubricating Oil
114
Lubricating Oil Strainer and Cooling Coil
115
Air Cleaner
115
Air-Oil Tank
115
Lube Oil Cooling Coil
116
Flexible Coupling Alignment
116
Air Pump Replacement
117
Dismantling
117
Reassembly
117
Refractory
118
Furnace Liner
118
Liner Installation
118
Rear Door
119
Front Inner Door
120
Opening and Closing Rear Head
121
Closing and Sealing
122
Electric Motors
122
Control Linkage
123
Oil Heaters: Electric, Steam, Hot Water
123
Ordering Parts and Parts Lists
125
Ordering Parts
125
Where to Order Parts
126
Returning Parts for Repair
126
Factory Rebuilt Parts
126
Parts Lists
127
Rear Head Sealing
127
Rear Head Sealing - Davit
128
Fireside Gasket
129
Front Head Electrical
130
LWCO Water Column Piping, 30 - 125# MDM
131
LWCO Water Column Piping, 15# MDM
132
LWCO Water Column Piping, 150# MDM
133
LWCO Water Column Piping, 15# Level Master
134
LWCO Water Column Piping, 150# Level Master
135
Entrance Box
136
Control Panel
137
Furnace Liner & Bricking
139
Front Head Linkage
140
Temperature Controls
141
Gas Piping
142
L.O. Front Head Oil/Air Piping
143
H.O. Front Head Oil/Air Piping
144
Steam Electric Heater
145

CleaverBrooks Categories

Boiler Burner Control Unit Control Panel Boiler Supplies

More CleaverBrooks Manuals

CleaverBrooks CB70 Manuals

CleaverBrooks CB70 Operation And Maintenance Manual (146 pages)

Table of Contents

Related Products

CleaverBrooks Categories