CaptiveAire EWC Installation, Operation And Maintenance Manual page 26

Example 3 – Appliance lines with overlapping nozzles at different heights
Overlapping Hazard Zone
12"
Max
B
A. Zone 1 Overlapping Nozzle Spacing
B. Zone 1 Overlapping Nozzle Height
NOTE: All hazard surfaces in a zone must be within 40-45" of the nozzles in that zone.
NOTE: Overlapping (TF1) nozzle spacing and height requirements are based on the appliances
protected for each individual zone, A TF1 nozzle must always be located at the start and end of
each zone, no more than 12" from the end of the hazard zone (edge of 1st/last cooking appliance
surface). Refer to "Overlapping Appliance Protection" on page 21.
Figure 26 - Example 3
12"
Max
A
A
ZONE 1
12"
Max
C
ZONE 2
C. Zone 2 Overlapping Nozzle Spacing
D. Zone 2 Overlapping Nozzle Height
26
12"
Max
C
D