CLEAVER-BROOKS CBW Manuals

Manuals and User Guides for CLEAVER-BROOKS CBW. We have 1 CLEAVER-BROOKS CBW manual available for free PDF download: Operation, Service And Parts Manual

CLEAVER-BROOKS CBW Operation, Service And Parts Manual (133 pages)

Packaged boilers, 100 thru 400 HP, Fuel: Gas, Light oil, Heavy Oil or Combination

Brand: CLEAVER-BROOKS | Category: Boiler | Size: 6.75 MB

Warning
5
Safety Precautions and Abbreviations
6
Table of Contents
9
Chapter 3 Sequence of Operation

10
- Table of Contents
  10
- General
  11
- Steam and Hot Water
  11
  - General Description and Principles of Operation
    13
  - The Boiler
    14
  - The Burner and Control System
    14
  - Control and Component Function
    15
  - Controls Common to All Boilers
    16
  - Typical Steam Boiler - Light Oil Fired
    16
  - Typical Hot Water Boiler with Heavy Oil Heater
    17
  - Steam Controls
    18
  - Controls for Gas Firing
    20
  - Hot Water Controls
    20
  - Secondary Air Flow with Gas Train
    21
  - Typical Gas Train
    21
  - Controls Common to Oil Fired Boilers
    22
  - Gas Pilot Shut-Off Cock
    22
  - Gas Pilot Valve
    22
  - Gas Pilot Vent Valve
    22
  - Oil Control Valve Assembly
    23
  - Air Pump
    24
  - Air Pump Module
    24
  - Check Valve
    24
  - Lube Oil Level Sight Glass
    24
  - Additional Controls for Heavy Oil
    25
  - Oil Burner Pressure Gauge
    25
  - Oil Modulating Cam
    25
  - Oil Pressure Regulator
    25
  - Oil Heater Steam Valve
    26
  - Steam Heater Check Valve
    26
  - Steam Heater Pressure Regulator
    26
  - Typical Control Panel
    26
  - Air Purge Valve
    27
  - Manual by Pass Valve
    27
  - Oil Supply Pressure Gauge
    27
  - Steam Trap
    27
  - Automatic Ignition
    28
CHAPTER 4 Atomizing Air

28
- Combustion Air
  28
- Controls for Combination Burners Only
  28
- Oil Heating Assembly (Steam)
  29
- Recommended Safety Valve Installation
  29
- Oil Fuel Flow - Heavy Oil
  30
- Oil Fuel Flow - Light Oil
  30
- Schematic Diagram for Light Oil Flow
  31
- Gas Fuel Flow
  33
- Modulating Firing
  34
- The Pressure Vessel
  35
- Air Removal
  36
- Construction
  36
- Hot Water Boiler
  36
- Water Requirements
  36
- Circulation Chart
  37
- Continuous Flow through the Boiler
  37
- Pressure
  38
- Pump Location
  38
- Pump Operation
  38
- Water Circulation
  38
- Feed Pump Operation
  39
- Pressure Temperature Chart for Hot Water Boilers
  39
- Steam Boiler
  39
- Water Feeder Operation
  40
- Water Treatment
  40
- Cleaning
  41
- Hot Water and Steam Piping
  41
- Pressure Vessel
  41
- Prevention of Carryover and Foaming
  41
- Boil-Out of a New Unit
  42
- Water Capacity Chart
  42
- Blowdown - Steam Boiler
  44
- Flushing of Pressure Vessel Interior
  44
- Washing out
  44
- Continuous Blowdown
  45
- Frequency of Manual Blowdown
  45
- Manual Blowdown
  45
- Types of Blowdown
  45
- Manual Blowdown Procedure
  46
- Periodic Inspection
  47
- Preparation for Extended Lay-Up
  48
CHAPTER 5 Gene Raj

51
- Sequence of Operation
  51
- Electrical Nomenclature
  52
- Blower Motor Start Circuit
  56
- Circuit and Interlock Controls
  56
- Limit Circuit
  56
- High Fire Proving Circuit
  57
- Low Fire Proving Circuit
  57
- Modulating Motor
  57
- Modulating Pressure Control (Steam)
  57
  - Running Interlock and Limit Circuit
    57
  - Running Interlock Circuit
    57
  - Run Cycle
    58
  - Burner Shut-Down Post Purge
    59
  - Flame Loss Sequence
    59
  - Loss of Flame
    60
  - No Pilot Flame
    60
  - Pilot but no Main Flame
    60
  - General Preparation for Start-Up
    63
  - Starting and Operating
    63
  - Control Settings
    64
  - Steam and Hot Water
    64
  - Gas Pilot
    65
  - Firing Preparations
    67
  - Oil Temperature
    69
  - Firing Preparations for Gas
    70
  - Start-Up, Operating and Shutdown
    71
  - Adjustment Procedures
    75
- High Umit Pressure Control (Steam)
  75
- Operating Umit Pressure Control (Steam)
  75
  - Complete Linkage Assembly - Combination Gas and Oil
    76
  - High Turndown Burner
    77
  - Linkage Modulating Motor and Air Damper
    77
  - Modulating Motor
    78
  - Rotary Air Damper 3/4 View
    78
  - Burner Operating Controls - General
    79
  - Modulating Motor Switches - Low Fire and High Fire
    79
  - Operating Control and Modulating Control Actions
    80
  - Modulating Pressure Control
    81
  - High Limit Pressure Control
    82
  - Modulating Temperature Control
    82
  - Operating Limit Pressure Control
    82
  - Operating Limit Temperature Control
    82
  - Atomizing Air Proving Switch
    83
  - Combustion Air Proving Switch
    83
  - High Limit Temperature Control
    83
  - Low Water Cutoff Devices
    83
  - Gas Pilot Flame Adjustment
    84
  - To Measure and Adjust Pilot
    84
  - Altitude Correction Factor
    86
  - Gas Flow
    86
  - Gas Pressure and Flow Information
    86
  - Conversely
    87
  - Pressure Correction
    87
  - Checking Gas Flow
    88
  - Butterfly Gas Valve
    89
  - Gas Fuel Combustion Adjustment
    89
  - Gas Modulating Cam
    90
  - Low Fire Adjustment
    91
  - Low Gas Pressure Switch
    91
  - Standard Burner
    91
  - Fuel Oil Pressure and Temperature - General
    92
  - High Gas Pressure Switch
    92
  - Oil Viscosity Chart
    92
  - Fuel Oil Combustion Adjustment
    93
  - Heavy Oil
    94
  - Burner Drawer with Gas Pilot
    95
  - Burner Drawer Adjustment
    97
  - Low Oil Temperature Switch
    97
  - Oil Drawer Switch
    97
  - High Oil Temperature Switch
    98
  - Hot Water Oil Heater Thermostat
    98
  - Low Oil Pressure Switch
    98
  - Steam Oil Heater Thermostat
    98
Chapter 6 Trouble Shooting

101
- No Ignition
  102
- A Burner Does Not Start
  102
  - Pilot Flame, but no Main Flame
    103
  - Burner Stays in Low Fire
    104
  - Shutdown Occurs During Firing
    104
  - Modulating Motor Does Not Operate
    105
CHAPTER 7 Inspection and Maintenance

107
- Fireside Cleaning
  109
- Water Level Controls
  109
- Water Gauge Glass
  110
  - Electrical Controls
    110
  - Recommended Maximum Fuse Sizes
    111
  - Checking Pilot Flame Failure
    112
  - Flame Safeguard Control
    112
    
    Checking Failure to Light Main Flame
    113
    
    Heavy Oil Strainers
    113
    
    Light Oil Strainers
    113
    
    Oil Strainers
    113
    
    Cleaning Air Purge Nozzle and Back Pressure Orifice Nozzle
    114
    
    Cleaning Oil Nozzle
    114
    
    Ignition System
    114
    
    Gas Burner Maintenance
    115
    
    Motorized Gas Valve
    115
    
    Solenoid Valve
    115
    
    Forced Draft Fan Mounting and Flow of Secondary Air
    116
  - K Air Control Damper, Unkage and Cam Spring
    118
  - L Forced Draft Fan 7W12
    118
  - Fuel Oil Metering Valve, Adjusting and Relief Valves
    119
  - Safety Valves
    119
    
    Air Oil Receiver Tank
    121
    
    Meter Valve Packing Sequence
    121
  - The Air Pump and Lubricating System
    121
    
    Air Cleaner
    122
    
    Lube Oil Cooling Coil
    122
    
    Lube Oil Strainer
    122
  - Refractory
    122
    
    Furnace Linear Refractory
    123
    
    Throat Tile and Linear Installation
    123
    
    Front Inner Door
    125
    
    Rear Access Plug
    125
    
    Closing and Sealing Doors
    126
    
    Lubrication
    126
  - Opening and Closing Doors
    126
  - Rear Door
    126
  - Combustion
    128
    
    Control Linkage
    128
    
    Oil Heaters - Electric, Steam, Hot Water
    128
  - Solenoid and Motorized Valves
    128
  - Circuit Layout of Hot Water Oil Heater
    129
  - Recommended Boiler Inspection Schedule
    130
  - Parts Order/List Instructions
    131

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CLEAVER-BROOKS CBW Manuals

CLEAVER-BROOKS CBW Operation, Service And Parts Manual (133 pages)

Table of Contents

Chapter 3 Sequence of Operation

CHAPTER 4 Atomizing Air

CHAPTER 5 Gene Raj

Chapter 6 Trouble Shooting

CHAPTER 7 Inspection and Maintenance

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