CleaverBrooks CBLE Bedienungsanleitung

Table Of Contents

Model CBLE

Packaged Boiler

250 - 350 HP

Operation and Maintenance Manual

750-91

12/09

Light OIl, Heavy Oil, Gas, or Combination

Compliments of Power Mechanical, Inc.

Used Boilers

Rental Boilers

!DANGER

WARNING

If the information in this manual is not fol-

lowed exactly, a fire or explosion may re-

sult causing property damage, personal

injury or loss of life.

— Do not store or use gasoline or other

flammable vapors and liquids in the vicin-

ity of this or any other appliance.

— WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.

• Do not touch any electrical switch; do

not use any phone in your building.

• Immediately call your gas supplier

from a neighbor's phone. Follow the

gas supplier's instructions.

• If you cannot reach your gas supplier,

call the fire department.

— Installation and service must be per-

formed by a qualified Cleaver-Brooks,

service agency or the gas supplier.

Improper installation, adjustment, service, or

maintenance can cause equipment damage, per-

sonal injury, or death. Refer to the Operation and

Maintenance manual provided with the boiler. In-

stallation and service must be performed by a

qualified Cleaver-Brooks service provider.

!DANGER

WARNING

!DANGER

WARNING

Be sure the fuel supply which the boiler was de-

signed to operate on is the same type as specified

on the boiler name plate.

!DANGER

WARNING

Should overheating occur or the gas supply valve

fail to shut off, do not turn off or disconnect the

electrical supply to the boiler. Instead turn off the

gas supply at a location external to the boiler.

!DANGER

WARNING

Do not use this boiler if any part has been under

water. Immediately call your Cleaver-Brooks ser-

vice representative to inspect the boiler and to re-

place any part of the control system and any gas

control which has been under water.

!DANGER

WARNING

To minimize the possibility of serious personal injury,

fire or damage to the equipment, never violate the fol-

lowing safety rules.

— Always keep the area around the boiler free of com-

bustible materials, gasoline, and other flammable liq-

uids and vapors

— Never cover the boiler, lean anything against it,

stand on it, or in any way block the flow of fresh air to

the boiler.

This manual must be maintained in legible condi-

tion and kept adjacent to the boiler or in a safe

place for future reference. Contact your local

Cleaver-Brooks representative if additional manu-

als are required.

Notice

Where required by the authority having jurisdic-

tion, the installation must conform to the Standard

for Controls and Safety Devices for Automatically

Fired Boilers, ANSI/ASME CSD-1.

Notice

The boiler and its individual shutoff valve must be

disconnected from the gas supply piping system

during any pressure testing of that system at test

pressures in excess of 1/2 psi (3.5 kPa).

!DANGER

WARNING

The installation must conform to the requirements

of the authority having jurisdiction or, in the ab-

sence of such requirements, to UL 795 Commer-

cial-Industrial Gas Heating Equipment and/or the

National Fuel Gas Code, ANSI Z223.1

!DANGER

WARNING

iii

Please direct purchase orders for replacement manuals to your local Cleaver-Brooks authorized representative

Manual Part No. 750-91

12/09 Printed in U.S.A.

Cleaver-Brooks 2009

CLEAVER-BROOKS

Model CBLE

250-350 HP

Light Oil, Heavy Oil, Gas, or Combination

Operation and Maintenance Manual

TO: Owners, Operators and/or Maintenance Personnel

This operating manual presents information that will help to properly operate and care for the equipment. Study its con-

tents carefully. The unit will provide good service and continued operation if proper operating and maintenance instruc-

tions are followed. No attempt should be made to operate the unit until the principles of operation and all of the

components are thoroughly understood. Failure to follow all applicable instructions and warnings may result in severe

personal injury or death.

It is the responsibility of the owner to train and advise not only his or her personnel, but the contractors' personnel who

are servicing, repairing or operating the equipment, in all safety aspects.

Cleaver-Brooks equipment is designed and engineered to give long life and excellent service on the job. The electrical

and mechanical devices supplied as part of the unit were chosen because of their known ability to perform; however,

proper operating techniques and maintenance procedures must be followed at all times. Although these components af-

ford a high degree of protection and safety, operation of equipment is not to be considered free from all dangers and

hazards inherent in handling and firing of fuel.

Any "automatic" features included in the design do not relieve the attendant of any responsibility. Such features merely

free him of certain repetitive chores and give him more time to devote to the proper upkeep of equipment.

It is solely the operator’s responsibility to properly operate and maintain the equipment. No amount of written instructions

can replace intelligent thinking and reasoning and this manual is not intended to relieve the operating personnel of the

responsibility for proper operation. On the other hand, a thorough understanding of this manual is required before at-

tempting to operate, maintain, service, or repair this equipment.

Because of state, local, or other applicable codes, there are a variety of electric controls and safety devices which vary

considerably from one boiler to another. This manual contains information designed to show how a basic burner operates.

Operating controls will normally function for long periods of time and we have found that some operators become lax in

their daily or monthly testing, assuming that normal operation will continue indefinitely. Malfunctions of controls lead to

uneconomical operation and damage and, in most cases, these conditions can be traced directly to carelessness and

deficiencies in testing and maintenance.

It is recommended that a boiler room log or record be maintained. Recording of daily, weekly, monthly and yearly main-

tenance activities and recording of any unusual operation will serve as a valuable guide to any necessary investigation.

Most instances of major boiler damage are the result of operation with low water. We cannot emphasize too strongly the

need for the operator to periodically check his low water controls and to follow good maintenance and testing practices.

Cross-connecting piping to low water devices must be internally inspected periodically to guard against any stoppages

which could obstruct the free flow of water to the low water devices. Float bowls of these controls must be inspected

frequently to check for the presence of foreign substances that would impede float ball movement.

The waterside condition of the pressure vessel is of extreme importance. Waterside surfaces should be inspected fre-

quently to check for the presence of any mud, sludge, scale or corrosion.

It is essential to obtain the services of a qualified water treating company or a water consultant to recommend the proper

boiler water treating practices.

The operation of this equipment by the owner and his or her operating personnel must comply with all requirements or

regulations of his insurance company and/or other authority having jurisdiction. In the event of any conflict or inconsis-

tency between such requirements and the warnings or instructions contained herein, please contact Cleaver-Brooks be-

fore proceeding.

DO NOT OPERATE, SERVICE, OR REPAIR THIS EQUIPMENT UNLESS YOU FULLY UNDERSTAND ALL

APPLICABLE SECTIONS OF THIS MANUAL.

DO NOT ALLOW OTHERS TO OPERATE, SERVICE, OR REPAIR THIS EQUIPMENT UNLESS THEY FULLY

UNDERSTAND ALL APPLICABLE SECTIONS OF THIS MANUAL.

FAILURE TO FOLLOW ALL APPLICABLE WARNINGS AND INSTRUCTIONS MAY RESULT IN SEVERE

PERSONAL INJURY OR DEATH.

!DANGER

WARNING

750-91 (revised 2009)

Model CB-LE Packaged Boiler Manual v

Model CB-LE Packaged Boiler 250-350 HP

750-91

Table of Contents

CHAPTER 1 Basics of Firetube Operation 1-1

1.1 — Introduction 1-1

1.2 — The Boiler 1-3

1.3 — Construction 1-4

1.4 — Steam Controls (All Fuels) 1-5

1.4.1 — Operating Limit Pressure Control 1-5

1.4.2 — High Limit Pressure Control 1-5

1.4.3 — Modulating Pressure Control 1-6

1.4.4 — Low Water Cutoff and Pump Control 1-6

1.4.5 — Water Column Assembly 1-7

1.4.6 — Water Column Drain Valve 1-7

1.4.7 — Water Gauge Glass Drain Valve 1-7

1.4.8 — Vent Valve 1-7

1.4.9 — Stack Temperature gauge 1-7

1.4.10 — Auxiliary Low-Water Cutoff 1-8

1.4.11 — Safety Valve(s) 1-8

1.5 — Hot Water Controls (All Fuels) 1-9

1.5.1 — Water Pressure and Temperature Gauge 1-9

1.5.2 — Operating Limit Temperature Control 1-9

1.5.3 — High Limit Temperature Control 1-9

1.5.4 — Modulating Temperature Control 1-9

1.5.5 — Low-Water Cutoff 1-9

1.5.6 — Auxiliary Low-Water Cutoff (optional) 1-10

1.5.7 — Safety Valve(s) 1-10

1.6 — IFGR Components 1-10

1.6.1 — Flue Gas Transfer Port, IFGR Damper, & Flange Collar 1-10

1.6.2 — IFGR Damper Linkage 1-10

1.6.3 — Over-Travel Mechanism 1-11

1.6.4 — Fuel Change-Over Linkage 1-11

1.6.5 — Fan/Motor Cassette 1-12

1.6.6 — Burner Drawer 1-12

1.6.7 — Combustion Air Inlet 1-12

1.6.8 — Front Door Insulation 1-12

vi 750-91 (revised 2009)

Model CB-LE Packaged Boiler Manual

CHAPTER 2 Burner Operation and Control 2-1

2.1 — The Burner 2-1

2.2 — Control and Component Function 2-3

2.3 — Components Common to All Boilers 2-3

2.4 — Controls for Gas Firing 2-5

2.5 — Controls Common to Oil-Fired Boilers 2-9

2.6 — Additional Controls for Heavy Oil 2-13

2.7 — Controls for Combination Burners Only 2-15

2.8 — Combustion Air 2-16

2.9 — Automatic Ignition 2-16

2.10 — Atomizing Air 2-17

2.11 — Oil Fuel Flow: Light Oil 2-17

2.12 — Oil Fuel Flow: Heavy Oil 2-19

2.13 — Gas Fuel Flow 2-21

2.14 — Modulating Firing 2-21

CHAPTER 3 Waterside Care and Requirements 3-1

3.1 — Overview 3-1

3.2 — Water Requirements: Hot Water Boiler 3-1

3.2.1 — Air Removal 3-1

3.2.1.1 — Minimum Water Temperature 3-2

3.2.1.2 — Rapid Replacement of Boiler Water 3-2

3.2.1.3 — Continuous Flow Through the Boiler 3-2

750-91 (revised 2009)

Model CB-LE Packaged Boiler Manual vii

3.2.2 — Water Circulation 3-2

3.2.2.1 — Multiple Boiler Installations 3-3

3.2.2.2 — Pump Location 3-4

3.2.2.3 — Pump Operation 3-4

3.2.3 — Pressure 3-4

3.3 — Water Requirements: Steam Boiler 3-5

3.3.1 — Feed Pump Operation 3-5

3.3.2 — Water Feeder (optional) Operation 3-6

3.4 — Water Treatment 3-6

3.5 — Cleaning 3-7

3.5.1 — Hot Water and Steam Piping 3-7

3.5.2 — Pressure Vessel 3-7

3.6 — Boil-Out of a New Unit 3-8

3.7 — Washing Out 3-10

3.7.1 — Hot Water Boiler 3-10

3.7.2 — Steam Boiler 3-10

3.7.3 — Flushing of Pressure Vessel Interior 3-10

3.8 — Blowdown: Steam Boiler 3-10

3.8.1 — Intermittent Manual Blowdown 3-11

3.8.2 — Continuous Blowdown 3-11

3.8.3 — Frequency of Manual Blowdown 3-11

3.8.4 — Manual Blowdown Procedure 3-12

3.9 — Periodic Inspection 3-13

3.10 — Preparation for Extended Lay-Up 3-14

CHAPTER 4 Sequence of Operation 4-1

4.1 — Overview 4-1

4.2 — Circuit and Interlock Controls 4-2

4.3 — Sequence of Operation: Oil or Gas 4-3

4.3.1 — Pre-Purge Cycle 4-3

4.3.2 — Ignition Cycle 4-4

4.3.3 — Run Cycle 4-4

4.3.4 — Burner Shutdown: Post Purge 4-5

viii 750-91 (revised 2009)

Model CB-LE Packaged Boiler Manual

4.4 — Flame Loss Sequence 4-5

4.4.1 — No Pilot Flame 4-6

4.4.2 — Pilot But No Main Flame 4-6

4.4.3 — Loss of Flame 4-6

CHAPTER 5 Starting and Operating Instructions 5-1

5.1 — Preparation for Startup: All Fuels 5-1

5.2 — Control Settings: Steam and Hot Water 5-2

5.2.1 — Operating Limit Control 5-2

5.2.2 — High Limit Control 5-2

5.2.3 — Modulating Control 5-3

5.2.4 — Low-Water Cutoff and Pump Control 5-3

5.2.5 — Additional Considerations 5-3

5.3 — Gas Pilot 5-3

5.4 — Atomizing Air 5-4

5.5 — Firing Preparations for No. 2 Oil (Series 100 - 200) 5-5

5.5.1 — Oil Flow 5-5

5.5.2 — Oil Pressure 5-6

5.5.3 — Starting 5-7

5.6 — Firing Preparation for No. 6 Oil (Series 400 - 600) 5-7

5.6.1 — Oil Flow 5-7

5.6.2 — Oil Pressure 5-8

5.6.3 — Oil Temperature 5-8

5.6.4 — Starting 5-9

5.7 — Firing Preparations for Gas (Series 200-400-700) 5-9

5.8 — IFGR Setup 5-11

5.9 — Startup, Operating and Shutdown: All Fuels 5-13

5.9.1 — Operating 5-14

5.9.2 — Shutdown 5-15

5.10 — Control Operational Test and Checks 5-15

750-91 (revised 2009)

Model CB-LE Packaged Boiler Manual ix

CHAPTER 6 Adjustment Procedures 6-1

6.1 — Overview 6-1

6.1.1 — High Turndown Burner 6-1

6.2 — Linkage: Modulating Motor and Air Damper 6-2

6.3 — Modulating Motor 6-4

6.4 — Modulating Motor Switches: Low-Fire and High-Fire 6-4

6.5 — Burner Operating Controls: General 6-5

6.6 — Modulating Pressure Control: Steam 6-8

6.7 — Operating Limit Pressure Control: Steam 6-8

6.8 — High Limit Pressure Control: Steam 6-8

6.9 — Modulating Temperature Control: Hot Water 6-8

6.10 — Operating Limit Temperature Control: Hot Water 6-9

6.11 — High Limit Temperature Control: Hot Water 6-9

6.12 — Low Water Cutoff Devices: Steam & Hot Water 6-10

6.13 — Combustion Air Proving Switch 6-10

6.14 — Atomizing Air Proving Switch 6-10

6.15 — Gas Pilot Flame Adjustment 6-11

6.15.1 — Measure and Adjust Pilot 6-11

6.16 — Gas Pressure and Flow Information 6-12

6.16.1 — Pressure 6-12

6.16.2 — Gas Flow 6-15

6.16.3 — Pressure Correction 6-15

6.16.4 — Checking Gas Flow 6-16

6.17 — Gas Fuel Combustion Adjustment 6-17

6.17.1 — Standard Burner Low-Fire Adjustment 6-20

6.17.2 — High Turndown Burner Low-Fire Adjustment 6-21

x750-91 (revised 2009)

Model CB-LE Packaged Boiler Manual

6.18 — Low-Gas Pressure Switch 6-21

6.19 — High-Gas Pressure Switch 6-21

6.20 — Fuel Oil Pressure and Temperature: General 6-22

6.21 — Fuel Oil Combustion Adjustment 6-23

6.21.1 — Standard Burner Low-Fire Adjustment: Heavy Oil 6-25

6.21.2 — High Turndown Burner Low-Fire Adjustment: Light Oil 6-25

6.22 — Burner Drawer Adjustment 6-25

6.23 — Oil Drawer Switch 6-26

6.24 — Low Oil Temperature Switch 6-27

6.25 — High Oil Temperature Switch (Optional) 6-27

6.26 — Low Oil Pressure Switch (Optional) 6-27

6.27 — Electric Oil Heater Thermostat (400 and 600 Series: Steam) 6-27

6.28 — Steam Oil Heater Thermostat: No. 6 Oil (400 and 600 Series: Steam) 6-28

6.29 — Hot Water Oil Heater Thermostat (400 and 600 Series) 6-28

6.30 — Steam Heater Pressure Regulator (400 and 600 Series: Steam) 6-28

CHAPTER 7 Troubleshooting 7-1

7.1 — Overview 7-1

CHAPTER 8 Inspection and Maintenance 8-1

8.1 — Overview 8-1

8.1.1 — Periodic Inspection 8-2

8.2 — Fireside Cleaning 8-2

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