User Manuals: Cleaver-Brooks CBH 25 Boiler

Manuals and User Guides for Cleaver-Brooks CBH 25 Boiler. We have 1 Cleaver-Brooks CBH 25 Boiler manual available for free PDF download: Operation, Service And Parts Manual

Cleaver-Brooks CBH 25 Operation, Service And Parts Manual

Cleaver-Brooks CBH 25 Operation, Service And Parts Manual (75 pages)

Brand: Cleaver-Brooks | Category: Boiler | Size: 4 MB

Table of Contents

Table of Contents
5
Chapter 1 General Description and Principles of Operation

9
- The Boiler
  9
- The Burner and Control System
  9
- Control and Component Function
  10
- Automatic Ignition
  17
- Combustion Air
  17
- Oil Fuel Flow
  17
- Gas Fuel Flow
  20
Chapter 2 The Pressure Vessel

21
- General
  21
- Construction
  21
- Water Requirements
  21
  - Hot Water Boiler
    21
  - Steam Boiler
    23
- Water Treatment
  24
- Cleaning
  25
  - Boil-Out of a New Unit
    26
- Washing out
  27
  - Periodic Inspection
    29
  - Preparation for Extended Lay-Up
    29
Chapter 3 Sequence of Operation

31
Chapter 4 - Starting and Operating Instructions

39
- General Preparation - Initial Start-Up
  39
  - Control Settings - All Fuels
    39
  - Oil Burner Start-Up
    39
- Gas Burner Start-Up
  39
- Normal OPERATION-All Fuels
  42
Chapter 5 Adjustment and Maintenance

44
- Periodic Inspection
  44
- Water Level Controls
  44
- Water Gage Glass
  45
  - Operating Controls
    45
    
    Setting and Adjusting
    46
    
    PRESSURE CONTROLS-Steam Boiler
    46
    
    TEMPERATURE CONTROLS- Hot Water Boiler
    47
    
    Combustion Air Proving Switch
    48
    
    Low Gas Pressure Switch
    48
    
    High Gas Pressure Switch
    49
    
    Programming Control
    49
    
    Control Operational Test
    49
  - Oil Burner
    50
    
    Burner Nozzles
    50
    
    Oil Pump
    51
    
    Combustion Adjustment
    52
- Gas Burner
  53
- Gas Pressure and Flow
  54
  - Combustion Adjustment
    56
  - Switch and Cam Adjustment
    57
  - Air Damper Adjustment
    60
  - Safety Valves
    60
- Motorized Gas Valve
  61
- Solenoid Valve
  61
- Refractory
  61
- Door Closing and Sealing
  63
  - Forced Draft Fan
    64
  - Fireside Cleaning
    64
  - Lubrication
    64
Chapter 6 - Trouble Shooting

65
- Burner Does Not Start
  65
- No Ignition
  65
- Pilot Flame, but no Main Flame
  66
Burner Stays in Low Fire

66
- Shutdown Occurs During Firing
  66
- Damper Motor
  66
Chapter 7 - Parts Ordering Instructions and Parts List

67

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