Form DV0200 effective 3/99
TADHF
INSTALLATION INSTRUCTIONS
STEP 1--PREPARATION:
1. Remove TADHF from crate and separate from packing material.
2. Open the face of the unit by releasing the 1/4 turn fasteners. The fasteners are located on the sides of the
face.
3. Unhook the lanyard from the lanyard clip. (See Detail B.)
4. Remove the face subassembly. Set aside for re-installation.
5. Note: If you have access to the plenum space, you may now hang the unit with the frame in place. Skip the
necessary steps below. If you do not have access to the space continue as follows.
6. Remove the filter retainer, assembly hardware and frame subassembly. Set aside for re-installation.
STEP 2--HANGING THE BACKPAN:
7. Lift the backpan assembly into the ceiling opening and locate on the pre-installed hanger rods. Attach with
