E2
4. Operation check
When verifying the function of the tube unit, use the flame-
voltage output terminals of the
AUR
.
−
＋
AUR output terminals
Black
Red
0 to 7.5 Vdc range
input 100 k
Ω or more
FSP136A100
or equivalent
(1) Connect a analog flame meter (
FSP136A100
) to the flame
voltage output terminals of the
AUR
.
(2) Light a lighter in front of the ultraviolet ray receiving part
of this unit to check that the voltage is output correctly.
Handling Precautions
When using an open flame, check that there is no
flammable gas around this unit.
(3) Mount the
AUD300C
onto the monitoring pipe.
(4) Start the combustion of the burner.
(5) Measure the flame voltage between terminals 9 and 10 of
the
AUR
with a tester.
Recommended flame voltage
Inspection item
Stable 2.0 Vdc or more
(The flame voltage may fluctuate
in a range of 0.1 to 0.3V
synchronized with the shutter
operation of this unit.)
Check that the flame is
monitored correctly.
Check that the light receiving
lens of this unit is not
contaminated.
Check that foreign matter, such
as soot is not caught in the
monitoring pipe.
5. Inspection and adjustment
After replacing the tube unit, perform a pilot turndown test, an
ignition spark response test and a safety shutoff test to verify
proper functioning of the tube unit.
The AUR300C Advanced Ultraviolet Burner Controller
with Communications User's Manual (CP-SP-1142E),
the AUR350C Advanced Ultraviolet Burner Controller
User's Manual (CP-SP-1175E), the AUR450C
Dynamic Self-Checking Burner Controller User's
Manual (CP-SP-1264E) (
for details on each test)
3. Replacement of tube unit
Handling Precautions
When replacing, handle the shutter unit gently,
•
taking care not to jar it.
When transporting or storing the AUD10C1000, be
•
sure to package it in the same packaging that it was
in when it was received.
The upper limit of the operating temperature range
•
of this unit is 120˚C. If the 120˚C-part of the thermo
label of the AUD10C1000 tube unit becomes black,
check the ambient temperature and cool the unit
using air purging or the like.
After the replacement work, be sure to carefully
•
mount the O-ring on the flange unit before
reattaching the cover. Otherwise the Ultraviolet
flame detector will not be properly sealed.
Tighten the terminal screws and mounting screws
•
with a tightening torque of 0.7N•m.
(1) Turn OFF the power to the
AUR
Burner Controller.
(2) Loosen the mounting nut after at least one minute has
passed, then remove the
AUD300C
Ultraviolet flame
detector from the monitoring pipe.
(3) Remove the cover by unscrewing the four (4) mounting
screws that secure it to the
AUD300C
.
(4) Remove 2 tube unit retaining screws on the rear of the tube
unit.
(5) Hold the rear of the tube unit and gently raise it upward to
remove it.
(6) Insert the top part of the new tube unit into the round hole
in the upper portion of the shutter unit and push the bottom
part of the tube unit down into place.
Mounting nut
O-ring
Flange unit
Cable guide
Cover mounting screws (4)
Tube unit
Tube unit retaining screws (2)
G-terminal (yellow lead wire)
F-terminal (blue lead wire)
Handling Precautions
The tube unit has a specific polarity. To mount it
correctly, match the polarity with the F and G label
on the upper portion of the AUD50A1000 shutter
unit. Also, the shutter unit and tube unit have a
matching difference in level designed so that the
tube unit cannot be mounted the wrong way. Do
not attempt to forcibly mount the tube unit in the
wrong direction.
(7) Tighten 2 tube unit retaining screws.
(8) Make sure that the O-ring is not disengaged from the flange
unit.
(9) Secure the cover with 4 cover mounting screws.
(09)
1-12-2 Kawana, Fujisawa
Kanagawa 251-8522 Japan
URL
: http://www.azbil.com
Specifications are subject to change without notice.
1st edition: Oct. 2003 ( A )
6th edition: Apr. 2012 (M )
