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Integrated Fire Protection System
B
Mechanical Section - Dry-pipe Vacuum Sprinkler System - Electric Release
FM-060M-0-112B
Figure 2 - Detailed system trim schematic
Typical dry-pipe vacuum sprinkler system with electric release (4" system shown)
G18
B7
B8
5
FM-061H-0-247A
FIELD CONNECTION
TO OPEN DRAIN
(on both sides)
FIELD CONNECTION
TO WATER SUPPLY
(on both sides)
D1
C1
D3
B6
B5
B9
B1
B2
B4
B3
B13
A1
B11
B12
B10
CONTRACTOR'S
HYDROSTATIC
TEST PORT
(water supply side)
FIELD CONNECTION TO VACUUM
SPRINKLERS PIPING NETWORK
B4
G20
F1
4
Towards Vacuum Supply
System Trim
3
1
Towards Vacuum Supply System Trim
2
CONTRACTOR'S HYDROSTATIC
TEST PORT (system side)
C2
G12
F
IRE
F
LEX
VACTEC
System Base
(shown without enclosure)
D5
D4
G6
G8
Trim components:
A. Valve
A1 Deluge valve
B. Deluge valve trim
B1 Priming valve (N.O.)
B2 Strainer
B3 1/16" Restricted orifice
B4 Spring loaded check valve
B5 Alarm test valve (N.C.)
B6 Flow test valve (N.C.)
B7 Alarm line drain valve (N.C.)
B8 1/8" Restricted orifice
B9 PORV (pressure operated relief valve)
B10 Manual emergency release valve (N.C.)
B11 Priming pressure water gauge & valve (N.O.)
B12 Water supply pressure gauge & valve (N.O.)
B13 Clapper check valve
C. Water flow alarm trim
C1 Alarm pressure switch (PS10-1A)
C2 ¾"-NPT (20mm) connection to water motor gong
(strainer supplied by contractor)
D. Valves
D1 Water supply control valve (N.O.)
D3 Main drain valve (N.C.)
D4 Shut-off- valve (N.O.)
D5 Sight glass assembly
F. Release trim
F1 24VDC N.C. solenoid valve
G. Vacuum control
G6 Vacuum pump drain float check
G8 Vacuum pump network strainer
G10 See section
D
VACUUM SUPPLY
G12 Vacuum breaker valve
G18
FLX-PC
®
VACUUM / PRESSURE CONTROLLER
G20 Vacuum pump control pressure switch (PS40-1A)
