Protectowire 2000 FireSystem Especificações descarregar pdf (Página 36)

WATERFLOW #1

WATERFLOW #2

ELR-4.7K

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The zone card ZC-91AW provides two Class A or Class B alarm initiating device circuits for waterflow detection

monitoring. Both waterflow alarm circuits are equipped with alarm and trouble indicators for immediate off

normal status identification. The waterflow card must be programmed per jumper settings noted below and plugs into the

Main Board MB-91A/M and/or Expander Boards EB-91A/M printed circuit board card slots.

Operation

Alarm - A shorted waterflow device will initiate the circuit into an alarm condition. Detection devices will cause the sys-

tem to function in the fire alarm mode of operation. The on-card zone “ALARM” (red) indicator will light steady; the

“SYSTEM ALARM” (red) indicator on the Control Card CC-91A will light steady. The common alarm contacts on the

MB-91A will transfer, and both Notification Appliamcel Circuits will operate.

Trouble

- An open in the detection loop will initiate the circuit into a trouble condition. The on-card zone “TROUBLE”

(yellow) indicator will activate as well as the “SYSTEM TROUBLE/SUP” indicator on the control card CC-91A will

flash; the system trouble buzzer will pulse.

Provides the circuitry

required to operate the

Class A/B waterflow

initiating devices.

Designed with plug in

package for field repair

ease. This card plugs into

the Main or Expander

board modules

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Terminations

on expander

board terminals

TE1 or TE2

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Voltage Standby 22VDC

Current to Insure Alarm 13mA

Minimum Resistance to

Insure Alarm

<1.48K ohm

End of Line Device

(Class B only)

ELR-4.7K, 1/2 Watt, 5%

Supervisory Current 4.7mA

MJ1 & 2

Placed across JP1 & 2 terminals 1 & 2 when circuits are

employed as waterflow detection zones.

MJ7 & 8

Place jumper across JP7 & JP8 to make detection circuits

assigned for waterflow alarm

MJ9

Placed across JP9 terminals 1 & 2 for trouble indications to

remain active during alarm mode

MJ10 & 11

JP10 & JP11 must always be installed for circuits assigned for

waterflow alarm

ALARM Red Zone alarm indicator: Activates with respect to each zone in ALARM condition

TROUBLE Yellow Zone trouble indicator: Activates in respect to each zone in TROUBLE condition

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