Page 2 of 2
D
Integrated Fire Protection System
Vacuum Supply Section - Vacuum Sprinkler System - Electric Release
FM-060M-0-89C
Figure 1 – Detailed vacuum supply trim schematic
5
To System Trim
2
G10
FM-061H-0-218E
G8
G7
1
To Riser Trim
G8
G5
G15
G14
G4
G8
G6
G13
G3
G2
4
To Drain Trim
3
To Water Supply Trim
4
To Drain Trim
G9
G1
G11
Vacuum pump components:
G. Vacuum supply
G1 Liquid ring vacuum pump
G2 240VAC N.C. solenoid valve
G3 Pre-regulator
G4 Fine-adjust regulator
G5 0.125" restricted orifice
G6 Float check valve
G7 2-way check valve
G8 Strainer
G9 Vacuum breaker valve
G10 System drain valve (N.C.)
G11 Reversed check valve
G12 Refer to section
B
MECHANICAL
G13 Water ring cut-off valve (N.O.)
G14 Pre-regulator gauge & valve
G15 Fine-adjust regulator gauge & valve
G16 On/Off manual switch (see section
E
CONTROLS
)
G17 Electric contactor (see section
E
CONTROLS
)
G18 Refer to section
B
MECHANICAL
