Cleaver-Brooks CBH 40 - Default Chapter; Table of Contents

CONTENTS
CHAPTER 1 - GENERAL DESCRIPTION AND PRINCIPLES OF OPERATION .. 1-1
A. The Boiler ...................................................... 1-1
B.
The Burner and Control System ................................. 1-1
C. Control and Component Function ................................ 1-2
D.
Automatic Ignition ............................................... 1-9
E. Combustion Air .................................................. 1-9
F.
Oil Fuel Flow ................................................... 1-9
G.
Gas Fuel Flow .................................................. 1-12
CHAPTER 2 - THE PRESSURE VESSEL ....................................... 2-1
A. General ......................................................... 2-1
B.
Construction ..................................................... 2-1
C. Water Requirements ............................................. 2-1
1. Hot Water Boiler ............................................. 2-1
2. Steam Boiler ................................................. 2-3
D.
Water Treatment ................................................ 2-4
E. Cleaning ........................................................ 2-5
F.
Boil-out of a New Unit .......................................... 2-6
G.
Washing Out .................................................... 2-7
H. Blowdown - Steam Boiler ........................................ 2-7
I. Periodic Inspection .............................................. 2-9
J. Preparation for Extended Lay-up ................................. 2-9
CHAPTER 3 - SEQUENCE OF OPERATION ..................................... 3-1
A.
General .......................................................... 3-1
B.
Circuit and Interlock Controls .................................... 3-1
C. Sequence of Operation - CB-20 - Oil or Gas ...................... 3-2
D.
Sequence of Operation - CB-40 - Oil or Gas ...................... 3-4
E.
Flame Loss Sequence ............................................ 3-6
CHAPTER 4 - STARTING AND OPERATING INSTRUCTIONS ................. 4-1
A. General Preparation - Initial Start-up ............................ 4-1
B.
Control Settings - All Fuels ...................................... 4-1
C. Oil Burner Start-up .............................................. 4-2
D.
Gas Burner Start-up ............................................. 4-3
E. Normal Operation - All Fuels .................................... 4-4
CHAPTER 5 - ADJUSTMENT AND MAINTENANCE ........................... 5-1
A. General ......................................................... 5-1
B.
Periodic Inspection .............................................. 5-2
C. Water Level Controls ............................................ 5-2
D.
Water Gage Glass ............................................... 5-3
E.
Operating Controls ............................................... 5-3
Setting and Adjusting ............................................ 5-4
Pressure Controls - Steam Boiler ................................. 5-4
Temperature Controls - Hot Water Boiler ........................ 5-5
Combustion Air Proving Switch .................................. 5-6
Low
Gas Pressure Switch ........................................ 5-6
High Gas Pressure Switch ........................................ 5-7
Programming Control ............................................ 5-7
Control Operational Test ......................................... 5-7
F.
Oil Burner ...................................................... 5-8
Burner Nozzles .................................................. 5-8
Oil Pump ....................................................... 5-9
Combustion Adjustment .......................................... 5-10
G. Gas Burner ..................................................... 5-11
Gas Pilot Adjustment ............................................ 5-11
Gas Pressure and Flow .......................................... 5-12
Combustion Adjustment .......................................... 5-14
H. Switch and Cam Adjustment ..................................... 5-15
I. Air Damper Adjustment ......................................... 5-18
J. Safety Valves .................................................... 5-18