70X And 80X Viewing Head Proof Test Procedure; Setup - Honeywell 700 User Manual

HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD

70x and 80x Viewing Head Proof Test Procedure

Equipment
• Powered compatible signal processor* correctly connected
to a 702, 706, 802, or 806 viewing head
• Light source** capable of generating a flame on condition.
*If your viewing head is connected to a Model 800 Signal
Processor, a computer or Palm PDA (Personal Data Assistant)
with FlameTools Software, or Model 800 Signal Processor
Programmer will be needed to view the flame count and adjust
the gain.
**Generally an incandescent bulb will work for IR viewing
head sensors and a deep UV light or flame will work for UV
viewing head sensors

Setup

1. Ensure the 702, 706, 802, or 806 viewing head under
test is correctly connected to a compatible signal
processor.
2. While performing the proof test, disconnect or disregard
the signal processor outputs so that any outputs due to
testing do not affect the overall safety system and
potentially cause a hazardous situation.
3. Record all previously entered user programmable
settings so that you can restore them to their desired
values after the proof test.
Tests
NOTE: 702 and 802 viewing heads must be illuminated
by an infrared light source. 706 and 806 viewing
heads must be illuminated by an ultraviolet light
source.
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1. Apply power to the signal processor, fully illuminate the
viewing head with the light source, and ensure that a
flame on condition is indicated by the signal processor.
2. Gradually angle the light source away from the viewing
head. Ensure that the count decreases until a flame off
condition is indicated by the signal processor.
3. Cover the end of the viewing head with your hand and
ensure that the signal processor indicates a flame count
of zero.
4. For model 531AC, 531DC, 532AC, and 532DC, signal
processors, use your light source to generate a
flamecount of between 1200 and 2800, and note the
flamecount. For model 700AC, 700DC, and 800 signal
processors, use your light source to generate a
flamecount of between 12 and 22, and note the
flamecount.
a. Increase the gain and store the setting. Ensure the
flamecount increased.
b. Decrease the gain and store the setting. Ensure the
flamecount decreased.
5. Restore all original settings as recorded in Setup and
reconnect the signal processor to the safety system.
Product Decommissioning
When required, decommissioning of the 70X and 80X viewing
heads should be performed in accordance with requirements
of the overall safety system.
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