Azbil AUD100 Series - Maintenance and Inspection; Specifications

E5
MAINTENANCE AND INSPECTION
CAUTION
The eective operating life of the AUD15 is a total of
25,000 hours of use or 5 years after the date of inspec-
tion by Azbil Corporation.
Take special care in handling the AUD15 to avoid im-
pact and shock.
When transporting or storing the AUD15, be sure to put
it in a secure packing box.
■ Maintenance and inspection of the AUD15 and
AUD120
● Flame failure test
To check that the ame safeguard control device works prop-
erly, do the ame failure test regularly.
During normal burner combustion, block the monitoring pipe
window so that there is no ame signal, or else cut o the fuel at the
source to extinguish the burner ame. Check that the ame failure
is detected and that the main valve and pilot valve are closed.
● Flame signal check
Regularly check the ame signal from the burner controller
that is used for batch operation. For the method of checking,
see the user’s manual for the burner controller.
● Check of the exterior
Check the following regularly.
•CheckthattheservicelifeoftheAUD15 has not expired. If it
has, replace the AUD15 with a new one.
•Checktheambienttemperature.ethermolabelcanbeused
to obtain a rough estimate of the ambient temperature. If the
temperature exceeds the specications, cool down the device.
•CheckthatthenutpackingandO-ringarenotdamaged.If
any damage is found, replace the damaged item.
•Checkthat thereisnocorrosion ordamageof the adapter
unit, socket unit, or lead wires. If a corroded or damaged
item is found, replace it with a new one.
•CheckthatAUD15 pins and pin base surface, and the AUD120
socket holes are not dirty. Replace any dirty component.
● How to clean the AUD15
Clean the light-receiving glass surface of the AUD15 using the
following procedure.
(1) Remove the AUD15 and AUD120 from the monitoring
pipe.
(2) Clean the light-receiving glass surface using a cotton swab
or the like.
(3) Remount the AUD15 and AUD120 on the monitoring pipe.
● How to replace the AUD15
(1) To avoid damage to the AUD15, hold the AUD120 socket
unit and pull it out carefully.
(2) Insert a new AUD15 into the socket (refer to “Inserting the
AUD15 into the AUD120” on page E2).
(3) Attach a new eective operation time label and expiration
date label.
Handling Precautions
•Do not touch the light-receiving glass surface.
•When mounting or removing the adapter unit, make
sure that the nut packing is not damaged.
•When mounting or removing the socket unit, make
sure that the O-ring is not damaged.
•If there is damage to the nut packing or O-ring, use
replacement parts from the AUD120 Packing Kit.
•When replacing the nut packing or O-ring, be sure not
to damage the O-ring grooves on the adapter unit
and socket unit.
SPECIFICATIONS
Item Specifications
Power supply Supplied by burner controller
Ambient
temperature
-20 to +105°C
Ambient
humidity
Lower than 90% RH at 40°C
Mass AUD120C120_ AUD120C121_
About 130g
(about 150g when con-
nected to AUD15)
About 140g
(about 160g when con-
nected to AUD15)
Insulation
resistance
At least 50MΩ with a 500Vdc megger
(Between each lead wire and socket metal, with AUD15
removed)
Protective
structure
IP65 (JIS C 0920 / IEC 60528, with piping connected, for
outside of AUD120)
Allowable
pressure
35kPa
Vibration
resistance
4.9 m/s
2
or lower
(10 to 55Hz, 2h each in X, Y, and Z directions)
Mounting nut G1/2 (connectable to R1/2)
Lead wires 18 AWG (approx. 1.2mm
2
)
Flame retardant cross-linked polyethylene insulated
cable
Length approx. 1800mm (blue, white)
Conduit Connection is not possible G1/2 (connectable to R1/2)
Standard and
extended dis-
tance of flame
signal wire
Standard: 600V vinyl insulated wire,
2.0 mm
2
(abbreviation: IV wire)
Extended distance: about 200m
Certification
Certificates Directive File No. et.al Remarks
UL MH27717
CE*
GAD (2009/142/EC) 0063CN6671 with
RX-R4_C______
RoHS(2011/65/EU)
* CE marking appears to comply with RoHS.
■ China RoHS