Honeywell Eclipse 90 User manual

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Eclipse 90°
UV Scanner
Model 5600-90A
Version 2
Introduction
This sensor features a high sensitivity ultraviolet (UV)
tube for monitoring gas or oil flames that cycle on and off
frequently. It is protected against reverse connection. The
Eclipse flame safeguard checks for a short-circuited, or
"runaway" scanner at the beginning and end of each
flame cycle. The scanner is UL listed for USA and
Canada, and is FM approved. This product is also in
conformance with the "CE Mark" directives when used
withthemodelVF56Veri-FlameCEaslistedinInstruction
Manual 818-2. Itcomeswith a 10 ft(305cm) lead.The90°
UV Scanner operates with 5600 and VF56 series Veri-
Flames, the 6000 Series Multi-Flame and 6500 Series Bi-
Flame controllers, or series 7000Peek-A-Flame.
The UV tube is made of quartz and is filled with a gas that
surrounds two electrodes. These electrodes are
energized continuously by a high voltage. The gas acts as
an insulator in the absence of UV radiation. Combustion
produces UV radiation to ionize the gas and causes
current pulses to flow between the electrodes. These
current pulses result in a flame signal which is transmitted
to the amplifier in the control, where it is processed to
energize and hold in the flamerelay.
Specifications
Parameter
Specification
Part Number
49600-90
Spectral Response
185 to 260nm
Supply Voltage
425 VDC ±25 VDC
Discharge Current
0.1 mA
Supply Wiring
10 ft (305 cm) flexible 3/8" metal
conduit with two #18 AWG
conductors
Temperature Range
0°to 140°F (-20°to +60°C)
Temperature Scanner
Support Lens
450°F (230°C)
Materials
Aluminum housing. Plated steel
conduit.
Weight
0.6 lbs (270 grams)
Options
Magnifying lens (Part #49600-
98) or 1/2" insulated coupling
(Part #49099), Scanner support
replacement (Part #20722)
C
US

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Eclipse 90°UV Scanner, V2, Instruction Manual 852, 5/26/2016
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S2 Yellow
Conduit
3
Blue
Scanner
Veri-Flame
Peek-A-Flame
Multi-Flame
Bi-Flame
8 Yellow
10
Conduit
2 Yellow
4
Conduit
8 Yellow
2
Conduit
J4 3
Blue Scanner
Main
Burner
One-Third of
Flame Length
Scanner
Sight Line
Sensor Installation
■ Incorrect sensor installation may cause the sensor
to generate a false flame signal. This can cause
unburned fuel to collect in the combustion
chamber, resulting in explosions, injuries, and
property damage. Be certain that the flame sensor
detects only the pilot and/or main flame of the
intended burner by testing the control system
under varying operating conditions and firing
rates. Follow the test procedures given in this
manual and the equipment provider’s instructions
after installation and at regularly scheduled
maintenance intervals.
Sensor Wiring
Route sensor wiring a sufficient distance from ignition and
other high voltage wiring to avoid electrical interference.
Some areas may have high levels of electromagnetic
fields or ground currents that require the use of special
cables, isolation and grounding methods. Figure 1
illustrates the sensor wiring to appropriate Eclipse
controls. The blue wire supplies power and carries the
flame signal, the yellow wire connects to circuitcommon.
If sensor wiring is to extend beyond the supplied 10 feet
(305 cm) length, use #14 to #18 AWG wire suitable for at
least 167°F (75°C) and 600 volt insulation.
If each scanner has its own dedicated conduit, unshielded
wiring may be used for wiring runs less than 20 feet (6m)
and that have at least one foot of separation from ignition
and other high voltage conductors. For wiring runs greater
than 20 feet (6 m) use two-conductor shielded cable (such
as Belden #8719 or #9342, or for extreme temperatures
#83322E). For multiple burner installations, shielded
cables can be run in a common conduit. Use isolated
shielded pairs to avoid the possibility of interference
(cross-talk) between wiring of multiple scanners. The
success of wiring runs of 150 feet (45 m) or more is
dependent upon site conditions; therefore the equipment
layout should be redesigned to allow the control to be
mounted closer to the burner. For these longer wiring
runs, it may be necessary to use a pair of RG62A/U coax
cables (Eclipse #21741) per scanner, with the shielding
insulated and not grounded.
Figure 1.
Figure 2. UV Scanner Sighting
Sensor Installation
In most cases, the location for this scanner will be pre-
determined by the burner manufacturer. However, proper
application of this scanner requires knowledge of the
burner, the combustion chamber, and the process.
Opposing burners, flame swirl patterns, and substance in
theline-of-sightmayrequirespecialmountingtechniques.
J5 1
Blue Scanner
9
Blue
Scanner
7
Blue Scanner
S1
Blue Scanner
CAUTION
2 Yellow
4
Conduit
2 Yellow
4
Conduit

Eclipse 90°UV Scanner, V2, Instruction Manual 852, 5/26/2016
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■ The UV tube is fragile. Handle carefully and avoid
dropping or sharp blows.
Consult the burner manufacturer’s instructions for
mounting location. The scanner should view the
intersection of the pilot and main flames. It typically should
be aimed at the first third of the flame closest to the burner
nozzle, see Figure 2. Certain unburned hydrocarbons, oil
mist, recirculated flue gas or other contaminants may
mask and absorb the ultravioletradiation.
Position the scanner within 18 inches (457 mm) of the
flame. Longer distances are allowed, but could limit the
field of view and may reduce the turndown or firing range
of the burner.
Mount the scanner to a 1/2" NPT pipe nipple to the burner.
Insure that the scanner body does not exceed 140°F
(60°C) from conducted, radiated, or ambient heat. To
protect from high temperatures, use the insulated coupling
(#49099) with a heat block seal (#400011) and source of
clean purging air (5 CFM typical), or a purge assembly
constructed with a 1/2" WYE fitting.
Keep the scanner lens and line-of-sight free of
contamination. Be aware that scanners looking up are
susceptible to dirt and dust settling. Soot, steam, and
unburned hydrocarbons may reduce or even mask the
radiation from the flame. A purging assembly as described
above may alleviate theseproblems.
Some burners have an open construction allowing the
scanner to view into a furnace. Avoid sighting background
sources of UV light. If necessary, mask the offending
background source by use of an orifice, the magnifying
lens assembly (#49600-98), or a combination of both to
reduce the field of view.
Test Procedures
Perform the following tests for every new installation and
at periodic maintenance intervals. Depending on the
burner equipment (such as pilot versus direct spark),
some of the tests may not be possible.
Measuring Flame Signal Strength
Insert the positive probe of a 0-15 VDC voltmeter (100k
ohm minimum input impedance) into the test point on the
control cover. Connect the negative probe to the GND or
terminal for the yellow wire. Readings greater than 4 VDC
are adequate.
Minimum Pilot Test
Run this test on pilot ignited burners to ensure that the
sensor will not detect a pilot flame too small to reliably light
the main flame.
1. Manually shut off the fuel supply to the burner, but not
to the pilot.
CAUTION

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Eclipse 90°UV Scanner, V2, Instruction Manual 852, 5/26/2016
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2. Put the control in the pilot test mode. On the Veri-
Flame push the Test/Reset button in the Test position
(button in). On the Bi-Flame and Multi-Flame press
the Reset and Enter buttons together then release
the Resetand after a few seconds release theEnter.
3. Start the system normally. The control will hold the
operating sequence at the pilot flamestep.
4. Measure the flame signal strength as described above.
5. Slowly reduce the pilot fuel until the signal drops out.
Increase the pilot fuel slightly and restart the system.
Observe the flame signal and adjust the pilot fuel as
required to prevent flame failure. This is the
minimum pilot.
6. Take the control out of the pilot test mode and begin
the start-up sequence again. On the Veri-Flame
push the Test/Reset button again so that it pops out
to the Run position. On the Bi-Flame and Multi-
Flame press the Reset button.
7. When the sequence reaches the main flame trial for
ignition, smoothly restore the fuel supply to the main
burner. If the main burner does not light within five
seconds, immediately shut off the burner fuel supply,
stop the control and purge the system. Attempt to
light the burner again before proceeding with
adjustmentsin the next step.
8. For burners with an adjustable scanner sighting
assembly, adjust the sighting assembly further away
from the nozzle of the pilot flame thus requiring a
larger minimum pilot for adequate signal strength. For
burners with fixed sighting, increase the pilot flame.
Repeat steps 1 through 8 until the main burner
lights off smoothly andreliably.
Ignition Interference Test
Test the effect of the ignition system (transformer, spark
plug, wiring and grounding) on the flame signal and
control. Ignition interference can decrease or increase
the flame signal strength or can cause erratic operation
of the control. The scanner placement on some burners
allows direct sighting of the spark, creating a strong but
false flame signal. The Eclipse flame control sequence
does not interrupt the spark upon flame detection until
after the trial for ignition period. Therefore spark
detection is not a problem; however ignition
interference should still be reduced or eliminated where
possible.
1. Manually shut off the fuel supply to theburner.
2. Start the system normally. Observe the flame signal
during ignition to see if it responds during the spark.
Readings above 2 VDC indicate spark interference
or spark sighting.
3. On pilot ignited burners, manually shut off the fuel
supplyto the main burner.For directspark burners, lock
the burner firing-rate at the startposition.

Eclipse 90°UV Scanner, V2, Instruction Manual 852, 5/26/2016
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4. Put the control in the pilot test mode (see step 2 of
Minimum Pilot Testabove).
5. Start the system normally. Observe the flame signal
during spark and after the trial for ignition. Spark
interference causes the signal during the spark to differ
more than 2 VDC from the signal after thespark.
6. If spark interference is observed, try to minimize its
affect:
a. Ensure proper grounding for the ignitioncircuit.
b. Isolate the scanner from ground and/or remove
the shield connection fromground.
c. Check for proper sparkgap.
d. Clean, repair, or replace faulty wiringand
connectors.
e. Separate or shield the scanner wiring fromthe
ignition wiring.
f. Reverse the wires feeding the primary tothe
ignitiontransformer.
g. Move the location of the ignitiontransformer.
Pilot Flame Failure Test
1. Put the control in the pilot test mode (see step 2 of
Minimum Pilot Testabove).
2. Start the systemnormally.
3. After the pilot has lit, manually turn off the fuel supply.
The controller should lock out of flame failure. If not,
then the controller is detectinga false flamesignal. Find
the problem and correct it before resuming normal
operation.
Main Flame Failure Test
1. Put the control in the "Run" position (see step 6 of
Minimum Pilot Testabove).
2. Start the systemnormally.
3. After the sequence lights the main flame, manually shut
off the fuel supply. If the control does not shut down in
less than 4 seconds after visually observing that the
flame extinguished, it may be detecting a false flame
signal. Find the problem and correct it before resuming
normal operation.
Process Conditions Test
1. Start the systemnormally.
2. Observe the flame signal as the system operates at
various firing rates under process (at temperature)
conditions.
3. Perform the Main Flame Failure Test under these
conditions and verify that the control shuts down in less
than 4 seconds after visually observing that the flame
extinguished.
Limit & Interlock Tests
Periodically check all interlock and limit switches by
manually tripping them during burner operation to make
sure they cause a system to lock out.

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Eclipse 90°UV Scanner, V2, Instruction Manual 852, 5/26/2016
44 70 10170.
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■ Never operate a system that is improperly
adjusted or has faulty interlocks or limit
switches. Always replace faulty equipment with
new equipment before resuming operation.
Operating a system with defective safety
equipment can cause explosions, injuries, and
propertydamage.
Maintenance
■ High voltage, turn off power before
disconnecting or installing sensors orcontrols.
All burner systems must be maintained to ensure their
safe operation. The operator of this equipment must be
trained in safe operating procedures. The owner and
operator must set a regularly scheduled maintenance
interval based on recommendations from the equipment
manufacturers, environmental conditions, and their own
operational history.
System Checks
Periodically test the sensors as described in the Test
Procedure section.
Sensor Lens
Clean the glass lens regularly with a soft, damp cloth.
The presence of foreign material will measurably
reduce the flame signalstrength.
Rotation
To ensure operability of stored items and to reduce the
possibility of extended down-time, periodically swap
spare sensors and control units with activeones.
WARNING
CAUTION

Eclipse 90°UV Scanner, V2, Instruction Manual 852, 5/26/2016
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Optional Insulated Coupling
2.50
(63.5)
1/2-14
NPT
Thread
Ø1.13
(28.6)
0.75
(19.0)
Sq.
3.81
(97.0)
2.95
(75.0)
104.5
(2654.3)
3.20
(81.5)
1/2" Int. NPT
Bushing
0.38 (9.53) MIN
Full Threads
Metal
Conduit 1/2-14
NPSL Thread
0.47
(11.9)
15.5
(393.7)
Dimensions in inches (mm)

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Eclipse 90°UV Scanner, V2, Instruction Manual 852,