3 Installing the 2250 FACU
This section describes how to install the 2250 FACU. It can be the surface mount only.
3.1 Unpacking the 2250 FACU
The control unit packaging contains the following contents:
• A sheet metal cabinet with metal door with an assembled main system board.
• A transparent plastic bag that contains the following:
- A door lock key
- A battery harness
- Operating instruction 579-1439
3.2 Locating the back box
To locate the back box, complete the following steps:
1. Choose a location that is well-ventilated, clean and dust-free.
2. Locate the back box near a dedicated AC individual branch circuit with an earth ground to maintain a consistent voltage supply.
3. Keep the back box away from sources of heat, including direct sunlight.
4. Keep the back box away from sources of vibration or physical shock.
5. Keep the back box away from sources of Radio Frequency Interference (RFI) such as a radio transceiver base station or hand held
unit.
6. Isolate the back box from sources of strong electromagnetic fields, such as air conditioners, large fans, and large electric motors.
7. 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's cabinet using 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 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 all screws.
9. Complete the entire wiring and terminations as described in Wiring the 2250 control unit.
10. Mount the black insulating cover and the control unit's hinged door back onto the FACU.
page 7 579-1404 Rev A
2050 and 2250 Foundation Series Fire Alarm Control Units Installation Guide
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