SECTION 2 – COMPONENTS
2014-MAY-08 REv. 02 PAGE 2-9
VEHICLE SYSTEM PRESSURE SWITCH
Part No. 440090
Provides auxiliary functions (i.e., equipment shutdown, turning
on notification appliances, or providing “Pressure Switch
Feedback” to a vehicle control panel). See Figure 2-30.
• one integral cable, sealed to switch housing
• Manually resettable 3-conductor (no/C/nC) SPDT switch
• Rated for 6A with 12/36 vDC nominal
• Includes Pressure Switch Connector kit (Part no. 440086) to
ensure adequate weatherproofing of all electrical connections
• Includes 1/4 in. brass tee and nipple
FIGURE 2-30
PRESSURE SWITCH CONNECTIONS
009178
Install switch in expellant gas actuation line using a 1/4 in.
tee at the inlet port on the agent tank. Make certain to protect
switch and connections from potential damage. See Figure
2-31.
CAUTION
!
The location of the Discharge Pressure Switch must be at the
expellant gas inlet port of the agent tank. Failure to comply
may result in damage to the switch and cause the switch to not
function properly.
FIGURE 2-31
PRESSURE SWITCH INSTALLATION
009179
Planner/Installer must verify contact ratings of devices intended
for pressure switch connection. Connections to vehicle
device(s) to be made by others, or with vehicle manufacturer’s
direct instruction and approval.
Note:
Pressure switch activates on expellant gas release.
CHECkFIRE 110 Control Module is unable to monitor or verify
pressure switch operation.
CHECKFIRE 110
Detection and Actuation System
ConnECTS To
ExPELLAnT
GAS LInE
PRESSURE SWITCH
ConnECToR kIT
RESET BUTTon
ConnECTS To
vEHICLE DEvICE(S)
To vEHICLE
ConnECTIonS
To ELECTRIC-
PnEUMATIC
ACTUAToR
Содержание CHECKFIRE 110
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