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IRIS MODEL P522 APPLICATION MANUAL
Page 38
FIGURE 19 - OPPOSED FIRED VIEWING HEAD SIGHTING
FIGURE 20 - VIEWING HEAD MOUNTING
VIEWING HEAD
BURNER NOZZLE NO. 1
NO. 1 FLAME
ENVELOPE
NO. 2 FLAME
ENVELOPE
VIEWING HEAD
BURNER NOZZLE NO. 2
HIGH FREQUENCY
IR ZONE
LOW FREQUENCY
ZONE
(LESS THAN 36Hz)
HIGH FREQUENCY
IR ZONE
2“ NPT NIPPLE TOE
IRIS M-701-2
SWIVEL MOUNT
IRIS R-518-12
1“ NIPPLE
IRIS VIEWING HEAD
1/2“ NPT PURGE
CONNECTION
BURNER FRONT PLATE
BURNER NOZZLE
CENTERLINE
QUICK DISCONNECT
CABLE CONNECTION
(SUPPLIED)