| 4. Insert the threaded rods or lag screws in the wall before setting the |
| unit in place. |
| 5. Remove the front panel (cabinet unit only) by lifting it upward. |
| 6. Position the hanger holes, located on the back of the unit, over the |
| rod or lag screw heads, pushing the unit downward to properly |
| position. |
| 7. Complete piping and wiring connections, in addition to any neces- |
| sary ductwork to the unit as instructed in the following sections. |
| Ensure that the auxiliary drain pan is in position on |
| 8. Install the front panel before starting the unit. |
| On cabinet units, replace the front panel by aligning the bottom tabs |
| on the unit with the respective slots on the panel bottom. Align the |
| top edge of the unit with the panel. |
| On recessed units, install the front panel by aligning and locking |
| together the interlocking support channel of the panel and unit. While |
| holding the panel against the unit, tighten the screws at the top of the |
| panel until it fits tight against the unit’s front. Do not over tighten the |
| screws. |
|
|
| ! CAUTION: All unit panels and filters must be in |
| place prior to unit |
| filters in place may cause motor overload. |
Horizontal Units |
|
Install horizontal units suspended from the ceiling using the four 5/8 | |
| inch diameter double key slot hanger holes, located on the top of the |
| unit. The hanger holes allow a maximum shank size of 5/16 inch |
| diameter threaded rods or lag screws (installer provided). Follow the |
| installation procedure below. |
| Note: Follow the requirements of National Fire Protection Association |
| (NFPA) Standard 90A or 90B, concerning the use of concealed |
| ceiling spaces as return air plenums. |
| 1. Prepare the ceiling opening for recessed units. Reference the unit |
| submittals for each unit size dimensions. |
16 |
