System-sensor EPS10EXP Manual do Utilizador descarregar pdf (Página 2)

D770-25-00 2 I56-1427-001R

Locate it where vibration, shock, and mechanical loading

are minimal. Refer to piping diagram (Figure 2 on page 2).

a. Mount the device directly to the line via the 1/2" NPT

pressure connection. The use of teflon pipe sealant

tape is recommended. Be sure the fitting is tight

enough to prevent leaks.

b. Apply tightening torque to the brass hex portion of

device.

High voltage. Electrocution hazard. Do not handle live AC

wiring or work on a device to which AC power is applied.

Doing so may result in severe injury or death.

3. Wire the device in accordance with the National

Electrical Code. Two 1/2” NPT conduit entry holes have

been provided in the mounting base to accept explosion

proof conduit fittings. If necessary, remove conduit entry

plug with 3/8” square wrench.

4. Connect wiring to terminals (see Figure 3 and Table 1).

Adjustments To Factory Settings

CAUTION

WET

SYSTEM

ALARM

CHECK

VALVE

OS & Y

VALVE

WATER

BY-PASS

VALVE

LOCAL ALARM

SHUT OFF

VALVE

RETARD

WATER

MOTOR

GONG

EPS10EXP

WET

SYSTEM

ALARM

CHECK

VALVE

OS & Y

VALVE

WATER

BY-PASS

VALVE

LOCAL ALARM

SHUT OFF

VALVE

RETARD

WATER

MOTOR

GONG

EPS10EXP

DRY

SYSTEM

ALARM

CHECK

VALVE

OS & Y

VALVE

WATER

BY-PASS

VALVE

LOCAL ALARM

SHUT OFF

VALVE

WATER

MOTOR

GONG

CHECK

VALVE

EPS10EXP

WET SYSTEM WET SYSTEM DRY SYSTEM

WIRE TO ALARM

INDICATING CIRCUIT

OF FIRE ALARM

CONTROL PANEL

WIRE TO ALARM

INDICATING CIRCUIT

OF FIRE ALARM

CONTROL PANEL

WIRE TO ALARM

INDICATING CIRCUIT

OF FIRE ALARM

CONTROL PANEL

SPRINKLER

SYSTEM

SPRINKLER

SYSTEM

SPRINKLER

SYSTEM

Figure 2. Typical piping diagram for EPS10EXP

A78-2398-00

Figure 3. Switch terminals:

Table 1. Electrical connections (referenced at facto-

ry settings):

COMMON

TERMINALS

TERMINAL

“A”

SWITCH #2

TERMINAL

“B”

GROUND

SCREW

(GREEN)

SWITCH #1

A78-2346-02

BREAK WIRE AS SHOWN FOR

SUPERVISION OF CONNECTION.

DO NOT ALLOW STRIPPED WIRE

LEADS TO EXTEND BEYOND

SWITCH HOUSING. DO NOT

LOOP WIRES.

SWITCHES AT 4-8 P.S.I. (HIGH TRIP PT.)

SWITCHES AT 0 P.S.I.

SW1 SW2

MODEL EPS10EXP

SW1 SW2

COM

BOTH SWITCHES ACTIVATE SIMULTANEOUSLY

1 2 3 4

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