3 Installing the FACU
The 2004-9101 FACU is surface mount only. This section describes how to install the 2004-9101 control unit.
3.1 Unpacking the FACU
Before you begin installation, ensure your shipment includes the following contents:
• A sheet metal cabinet, a metal door and an assembled motherboard.
• A transparent plastic bag that contains the following contents:
- Door lock key
- Battery harness
- Operating instruction page
3.2 Determining a suitable location for the FACU
To determine a suitable location for the 2004-9101 back box, ensure you adhere to the following guidelines:
• Choose a space that is well-ventilated, clean and dust-free.
• Locate the back box near a dedicated AC individual branch circuit with an earth ground to maintain a consistent supply of voltage.
• Keep the back box away from sources of heat, including direct sunlight.
• Keep the back box away from sources of vibration or physical shock.
• Keep the back box away from sources of radio frequency interference (RFI), for example, radio transceiver base station and hand held
unit.
• Isolate the back box from sources of strong electromagnetic field, for example, air conditioners, large fans and large electric motors.
• Mount the back box to the wall so that the top of the enclosure is no more than six feet above the floor. For more information, see
Mounting the back box.
3.3 Mounting the back box
To mount the back box, complete the following steps:
1. Unlock the control unit cabinet with the supplied key.
2. Remove the earth cable, then remove the control unit's hinged door and black insulating cover. Keep the control unit's door and
insulating cover in a secure location.
3. Place the control unit against the wall and mark the top two keyholes. Keep the control unit in a secure location.
4. Pre-drill the marked top two keyholes.
5. Install the two top fasteners in the wall. Ensure that the screw heads are protruding.
6. Place the back box over the top two screws. Ensure that the back box is level and secure.
7. Mark the lower two holes. Remove the back box from the wall and drill the mounting holes.
8. Mount the back box. Install the remaining fasteners and tighten each screw.
9. Complete the entire wiring and terminations as described in Wiring the 2004-9101 FACU.
10. Mount the black insulating cover and the control unit's hinged door back onto the FACU.
page 9 579-1402 Rev B
2004 Foundation Series Fire Alarm Control Unit Installation Guide
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