Tyco DV-3 Manual page 16

Page 16 of 20
1/2 INCH CONDUIT
CONNECTION FOR
"ELECTRIC DETECTION"
(REFER TO FIGURES
8 AND 10)
INCLUDED
ONLY WITH
ELECTRIC
ACTUATION
TRIM
MAIN
DRAIN VALVE
(NORMALLY
CLOSED)
1-1/4 INCH NPT
CONNECTION
TO DRAIN
SOLENOID
VALVE,
ORDERED
SEPARATELY
(NORMALLY
CLOSED)
1/2 INCH NPT
CONNECTION FOR
"WET PILOT DETECTION"
(REFER TO FIGURES
2 AND 4)
DIAPHRAGM
CHAMBER
PRESSURE
GAUGE
H
E
I
J
MANUAL
CONTROL
STATION
K
SYSTEM
WATER
SUPPLY
PRESSURE
GAUGE
L
2-1/2 INCH (DN65) MODEL DV-3 DELUGE VALVE
—FACTORY PREASSEMBLED TRIM SEGMENTS—
—FUNCTIONAL CALLOUTS FOR TRIM COMPONENTS—
— ASSEMBLY PROCEDURE FOR VALVE TRIM —
LOW AIR
PRESSURE
ALARM SWITCH,
ORDERED
SEPARATELY
DRY
PILOT LINE
PRESSURE
GAUGE
DRY PILOT
ACTUATOR
(NORMALLY
CLOSED)
F
DIAPHRAGM
CHAMBER SUPPLY
CONTROL VALVE
(NORMALLY
OPEN)
1/2 INCH NPT
CONNECTION
G
FROM WATER
SUPPLY
ALARM
TEST VALVE
(NORMALLY
CLOSED)
C
AUTOMATIC
DRAIN VALVE
DRIP
FUNNEL
1-1/4
INCH NPT
CONNECTION
TO DRAIN
FIGURE 12
1/2 INCH NPT
CONNECTION FOR
"DRY PILOT DETECTION"
(REFER TO FIGURES
5 AND 7)
DRY PILOT
AIR SUPPLY
CONTROL VALVE
(NORMALLY
OPEN)
1/2 INCH NPT
CONNECTION
FOR DRY PILOT
AIR SUPPLY
INCLUDED
ONLY WITH
DRY PILOT
ACTUATION
TRIM
WATERFLOW
PRESSURE
ALARM SWITCH,
ORDERED
SEPARATELY
3/4 INCH NPT
CONNECTION
FOR WATER
MOTOR
ALARM
D
A
B
NOTES:
1. Install Trim Assemblies
in alphabetical order.
2. See Figure 1 for Valve
Port Identification.
3. Route all Tubing to Drip
Funnel.
TFP1350