APC ACFS76080 Installation Manual download pdf (Page 52)

Uniflair LE Accessories Manual50

3. Connect wire 20 and 52 on the labeled terminal blocks inside

the electrical box. Wire routing may be needed on some units.

4. Connect the customer/external wiring to terminal blocks 026

and 006.

NOTE: This requires an external 24 V signal (DC or AC).

Configuration

Using the standard LED display

1. Turn on the power to the unit.

2. Navigate to the Digital Input 4 Selection Screen.

3. Change the setting to "Smoke-Fire Sensor".

4. Test the smoke and fire alarms to ensure proper function.

Alarm will activate when the 24 V signal is received or lost,

depending on customer setup.

Tips:

• The relay is physically configurable between NC (Normally

Closed) or NO (Normally Open). The relay is Normally Open by

default.

• The relay can be installed in series with the internal smoke/fire

detection system.

• Input (ID4) is the default “Type A” alarm. It also requires a

MANUAL reset by default. It is recommended to isolate ID4 as a

“Type B” alarm for Smoke/Fire (Type B not available on models

T*EV0511-0611).

• The relay coil must be powered by an outside source (customer

supplied 24 V).

Using the touchscreen

Path: Main > Configuration > Unit > Digital Inputs

1. Turn on the power to the unit and wait for the touchscreen to display.

2. Set the following configurations:

Digital Input 4 Configuration: Smoke-Fire Sensor

Digital Input 4 Function: Alarm Signaling

Digital Input 4 Normal State: Normally Open

3. Press the Home button to return to the main screen.

na4819a

RFF

24 V CONNECTION

FOR EXTERNAL

SYSTEM

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APC ACFS76080 Installation Manual Page 52