Hochiki FirePro Xtinguish, Инструкция по установке и эксплуатации

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FirePro Xtinguish I&O Manual V1.05 UL
12.3.3 Disconnect Switch (Hochiki America model HCVR-DS or SOM-R-DS)
To comply with NFPA requirements, a Disconnect Switch (model HCVR-DS or SOM-R-DS) may be installed
in the EXTING circuit. The purpose of this switch is to help prevent accidental activation of the aerosol
generators during testing and maintenance of the system.
The Disconnect Switch must not be used to Abort an activated release countdown sequence!
Install the Disconnect Switch as indicated on the plans. A single-gang back box (or similar) must be used to
securely mount the SOM-R-DS switch. Ensure that all connections are secure and protected. See Figure
12.3.3.
Under normal circumstances the Disconnect Switch is in the
Enable
position. When the switch is moved to the
Disable
position, the HCVR-3 control panel will indicate a trouble. As long as the switch remains in the
Disable
position, the HCVR-3 is disconnected from the sequential activator modules, preventing the panel from
activating the aerosol generators. System testing and maintenance may be performed while the Disconnect
Switch is in the
Disable
position.
HCVR-SQA
Module
OUT to other HCVR-
SQA modules
EXTING
IN EXT +
+
-
Switch is shown in the Disconnected (Disabled) position.
HCVR-3
EXTINGUISHING
OUTPUT
DISABLE
Disconnect
Switch
+ -
HCVR-SQA Sequential
Activator Module
To next HCVR-SQA
(if applicable)
All circuit connections to be made
inside of electrical back box
IN EXT -
24 volt Auxiliary power is not shown in these diagrams.
Red Red
Yellow Yellow
Aerosol generator connections
24 VDC power is necessary for proper operation of the HCVR-SQA module.
The Disconnect Switch must be
installed between the HCVR-3
panel and the first HCVR-SQA
module!
Figure 12.3.3 – Disconnect Switch Diagram and Circuit Wiring
WARNING: ALWAYS ensure that the HCVR-3 panel is in a normal state before returning
the Disconnect Switch back to the Enable position! Setting the switch to Enable while
the HCVR-3 is in a release state will activate the aerosol generators!