Thank you for purchasing an Azbil
Corporation product.
This manual contains information for
ensuring the correct use of this product.
It also provides necessary information
for installation, maintenance, and
troubleshooting.
This manual should be read by those who
design and maintain equipment that uses
this product. Be sure to keep this manual
nearby for handy reference.
NOTICE
Be sure that the user receives this manual before the product is used.
Copying or duplicating this user’s manual in part or in whole is forbidden.
The information and specifications in this manual are subject to change
without notice.
Considerable effort has been made to ensure that this manual is free from
inaccuracies and omissions. If you should find an error or omission, please
contact the azbil Group.
In no event is Azbil Corporation liable to anyone for any indirect, special or
consequential damages as a result of using this product.
The safety precautions explained in the following section aim to prevent injury to the operator and
others, and to prevent property damage.
Warnings are indicated when mishandling this product might
WARNING
CAUTION
In describing the product, this manual uses the icons and conventions listed below.
Use caution when handling the product.
The indicated action is prohibited.
Always follow the indicated instructions.
Handling Precautions:
Handling Precautions indicate items that the user should pay attention to when handling
the AUD300C1000.
result in death or serious injury.
Cautions are indicated when mishandling this product might
result in minor injury to the user, or physical damage to the
product.
Note:
(1), (2), (3):Numbers within parentheses indicate steps in a sequence or parts of an explanation.
>>:Indicates the result of an operation, details displayed on the personal computer or other
Notes indicate information that might benefit the user.
This indicates the item or page that the user is requested to refer to.
devices, or the state of the device after operation.
i
Safety Precautions
Use this device only in combination with Azbil Corporation’s burner controllers.
Make sure that this device does not detect ultraviolet rays other than those of the burner flame.
If it responds to other ultraviolet radiation, flame failure in the burner will not be detected.
As a result, the outflow of fuel will continue, causing a very serious explosion hazard.
Before removing, mounting, or wiring this device, be sure to turn off the power to the device
and all connected devices. Failure to do so may cause electric shock.
Before doing any wiring work, be sure to disconnect the power to prevent electrical shock.
To prevent explosion, carry out the pilot turndown test carefully. If this device detects a pilot
flame that is too small to ignite the main burner, the burner controller will not be able to
recognize flame failure of the main burner, allowing the outflow of fuel to continue, leading to
a serious explosion hazard.
If the pilot turndown test is carried out repeatedly, completely shut down all equipment each
time the test is finished, and completely discharge unburned gas or fuel that has accumulated
in the combustion chamber and flue. If unburned gas and oil are not discharged completely,
an explosion may occur.
WARNING
Do not touch terminals F or G on this device or on the burner controller immediately after the
power to the burner controller has been turned OFF. There is a danger of electric shock because
terminals F and G retain a charge for up to 1 minute after the power has been turned off.
When measuring the voltage between terminal F and terminal G of this device in order to check
the wiring, do not touch any part of the terminals. Doing so may result in an electric shock.
Do not use this device with the cover removed. Doing so may result in an electric shock. If the
cover has been removed from this device, be sure to reattach it and tighten the four mounting
screws completely before use.
ii
CAUTION
This device is designed for both batch operation of the burner (at least one start and stop in a
24-hour period) and continuous operation (nonstop combustion for 24h or longer). It must be
used with a burner controller having a dynamic self-checking function.
Installation, wiring, inspection, adjustment, etc., should be carried out by a trained and
experienced technician with knowledge and technical skills related to combustion equipment
and flame safeguard control devices.
Do not install where the product will be exposed to any of the following:
•
Certain chemicals or corrosive gases (ammonia, sulfur, chlorine, ethylene compounds, acid, etc.).
•
Splashing water or excessive humidity
•
High temperatures
•
Prolonged vibration
If this device is operated in an atmosphere where there is steam, sooty smoke, oil mist, dust,
and/or organic solvents that interfere with ultraviolet rays, take appropriate corrective
measures.
When using multiple burners, mount this unit in a position where it can detect only the flame
of the burner to be monitored.
Carry out the wiring work in conformity with the specified standards.
Be sure to route the signal wires of this device separately from high-voltage ignition
transformer cables and power cables, and put them in a separate conduit.
After the wiring work is complete, be sure to check that there are no mistakes. Incorrect wiring
can cause damage or malfunction.
Only an experienced technician with knowledge and technical skills related to combustion
equipment and combustion safety should carry out the pilot turndown test.
Do not transport this device while it is mounted on the combustion equipment. Shock or
vibration during transport may cause it to malfunction. Before transporting, dismount it and
put it in its specially designed shipping box.
The service life of the tube unit and shutter unit components of this device is a maximum
of 3 years. To ensure operational safety, be sure to replace these units with new ones within
the service life period. For replacement, use the AUD Maintenance Kit (AUD60A1000), which
includes the tube and shutter units.
iii
The Role of This Manual
A total of 4 different manuals are available for the AUD300C1000, AUR300C. Read them as necessary for your specific requirements. If a manual you require is not available, contact the azbil Group or its dealer.
This manual should be read by personnel using the AUR450C for the first time,
those in charge of designing combustion equipment that uses the AUR450C or
designing the hardware for mounting the device in a control panel, and personnel
performing maintenance.
The manual gives an overview of the product, its mounting and wiring for connection to other equipment, its operation, trial-run adjustment, maintenance and
inspection, and specifications.
iv
Contents
Conventions Used in This Manual
Safety Precautions
The Role of This Manual
Chapter 1. OVERVIEW
Overview
Features 1
Names of parts 1
Model selection table 1
1
1
Chapter 2. MOUNTING 3
What to know before installation
Methods of monitoring burner flame 4
Mounting position 4
Mounting orientation 5
Mounting of the monitoring pipe 6
Mounting procedure 8
3
Chapter 3. WIRING 9
Wiring diagram
Wiring check 10
9
Chapter 4. ADJUSTMENT 11
Before measuring the flame voltage
Measuring the flame voltage 11
Pilot turndown test 12
Ignition spark response test 13
Permanent mounting of monitoring pipe 13
Final check 13
11
Chapter 5. TROUBLESHOOTING 14
Troubleshooting procedure
14
Chapter 6. MAINTENANCE AND INSPECTION 15
Periodic inspection
Replacement of the shutter unit and tube unit using the AUD Maintenance Kit
(AUD60A1000) 16
v
15
Chapter 7. SPECIFICATIONS 19
Specifications
External dimensions 20
Terms and Conditions
19
vi
Chapter 1.
■ Overview
■ Features
OVERVIEW
The AUD300C1000 Advanced Ultraviolet Flame Detector (hereafter this/the device) is designed to detect ultraviolet radiation from an oil or gas burner flame, for
use with both batch and continuous operation burners. The AUD300C1000 is used
in combination with a dedicated burner controller. By means of the built-in shutter,
any malfunction of the UV flame detector or burner controller is detected by the
start check and continuous self-checking function (Dynamic Self-Check), ensuring
highly reliable combustion safety control.
•
Maintenance parts such as the tube unit and shutter unit can be handled as a
single unit. This ensures easy replacement and maintenance work.
•
As for a flame sensor for the self-check, this unit is compact and lightweight. This
ensures free burner mounting.
•
The operating ambient temperature is 100°C (up to 120°C during flame detection) and the protection structure is IP66. This ensures excellent environmentproof performance.
■ Names of parts
● Main unit
■ Model selection table
•
Because it can be mounted vertically and has a maximum wire length of 200m,
flexible installation is possible.
AUD60A1000AUD Maintenance Kit *
81446924-001Flange unit (Standard type)
81446924-101Flange unit (Condenser type)
81447495-001Nut packing
81447509-001Bushing 1×3/4
FSP136A100Analog flame meter
*1 AUD60A1000 Maintenance Kit
The AUD Maintenance Kit incorporates the tube and shutter units (tube unit: AUD10,
shutter unit: AUD50), including expendables like the expiration date label*
O-ring used for sealing between the flange and cover of the AUD.
Terminal for shutter driver connection
(white lead wire)
ModelName
1
Thermolabel
Label
Tube unit
Tube unit retaining screws (2)
Shutter unit
Terminal G (yellow lead wire)
Terminal F (blue lead wire)
2
and the
*2 Expiration date labelPosition of the expiration date label
2
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