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SECTION 5 – INSTALLATION
PAGE 5-10 REV. 01 2014-MAY-01
CHECKFIRE 110
Detection and Actuation System
ELECTRIC-PNEUMATIC ACTUATOR INSTALLATION
(Continued)
WARNING
!
Before attaching Electric-Pneumatic Actuator to expellant gas
cartridge, verify the cartridge is properly secured and confirm
puncture pin is in the completely retracted position. See Figure
5-26. If puncture pin is not completely retracted, the seal can
become damaged or pierced, which can result in system actu-
ation or serious personal injury or death.
FIGURE 5-26
RETRACT ACTUATOR PUNCTURE PIN
009220
1. To install the actuator, slide the unit onto the expellant
gas cartridge from the side. (Cartridge must be properly
secured.) Slide Preventor underneath cartridge threads and
thread actuator on cartridge. See Figure 5-27.
FIGURE 5-27
SLIDE ACTUATOR ONTO CARTRIDGE
009221
2. wrench-tighten actuator base (SS) to cartridge. Note:
wrench grip is above Preventor. See Figure 5-27.
3. Turn cartridge in cartridge bracket (loosen as needed) so
expellant gas outlet is in desired orientation, then re-secure
cartridge in bracket.
4. Position actuator swivel body in desired orientation and
wrench-tighten to actuator base until Preventor is held tight
in place. See Figure 5-28.
CAUTION
DO NOT ATTACH CABLE TO ELECTRIC-PNEUMATIC
ACTUATOR UNTIL TESTING IS COMPLETE.
FIGURE 5-28
ACTUATOR INSTALLED ON CARTRIDGE
009222
DETECTION CIRCUIT CABLES
The Detection Circuit Lead (red connector) on the CHECK-
FIRE 110 Control Module is the starting point for the detection
circuit. See Figure 5-29. The Detection Circuit consists of a
main trunk and may add branch circuits utilizing Detection
Circuit Tees on the main trunk.
Route and secure the Detection Circuit Cable following the
installation instructions under Cable Connectivity / Installation,
page 5-4.
FIGURE 5-29
CHECKFIRE 110 CABLES
009150
DETECTION
CIRCUIT LEAD
NOTE: CABLES
SHOwN
SHORTER THAN
ACTUAL LENGTH
wRENCH
GRIPS
PREVENTOR COLOR CHANGED FOR CLARITY
PREVENTOR
SLIDES UNDER
THREADS
wRENCH
GRIP
PIN NOT RETRACTED
PIN COMPLETELY RETRACTED
PREVENTOR
1/4 IN.
(6.4 mm)