Carrier XCT 7 40VCC727FQEE Operation & Installation Manual page 73

3.17 Fire alarm setting
Fire alarm setting is used to set fire alarm linkage
The fire alarm access point is shown in the figure below
Fire access point 1: Connect i1-G
Fire access point 2: Connect i2-G
Click the following icon to enter the fire alarm function
After clicking, make Settings in the Settings screen popover
Fire alarm 01: Can be set to normally on/normally off/disabled
Fire alarm 02: Can be set to normally on/normally off/disabled
NO: when set to normally on, the alarm signal in case of fire is passive dry contact input is closed signal.
When fire alarm is triggered, the centralized controller locks all current functions and automatically issues all
devices for shutdown.When the fire signal returns to the passive dry contact disconnect signal, return to
normal.
NC: when it is set to normally off, the alarm signal in case of fire is passive dry contact input is disconnect
signal. When fire alarm is triggered, the centralized controller locks all current functions and automatically
issues all devices for shutdown.When the fire signal returns to the passive dry contact closing signal, return to
normal.
Disable: When set to disable, the fire alarm is invalid. No matter what state the input signal is, the control
function of the centralized controller is not affected.
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