Remove
Loosen
Duct Removal
3.Remove the clamp securing the blower assembly to the bottom of the unit. Discard clamp and screws.
{ } Airflow
Remove
Clamp Removal
5.Rotate the blower assembly 90° clockwise, setting the blower assembly outlet on the panel removed from bottom of the unit.
Ensure the blower motor is oriented with the motor wires at the bottom. This keeps condensate from puddling inside the blower motor and causing motor failure. If the motor is not oriented correctly, loosen the motor belly band and rotate the motor to the correct position, then retighten the motor belly band.
require that cover clips (included with the unit) be installed to en- sure a secure fit of the Horizontal Duct Covers.
24, 30, 36, 42 AND PHB48 Models:
1.Remove and set aside the four (4) supply air side screws.
2.Remove and set aside the two (2) return air side screws.
REMOVE
SCREWSREMOVE
SCREWS
SUPPLY AIR | RETURN AIR |
Supply Air Side Screws Removal
3.Center flange bracket and unit openings. Attach flange brackets to the unit using the removed screws in Step 1. Retighten screws.
4.Drill two 1/8” diameter holes on the return air side as indicated in the figure below.
5.Secure the return air side flange bracket with the two (2)
FLANGE BRACKETS | Drill | ||
|
| Dia. holes | |
|
|
|
|
|
|
|
|
SUPPLY AIR | RETURN AIR |
Install Screws
Removed From
Back Panel
| w |
| lo |
f | |
r | |
i |
|
A |
|
Flange Bracket Installation
6.Align the horizontal duct covers over the flange brackets just installed and secure with screws included in the Horizontal Duct Cover kit.
Motor Leads MUST exit at bottom
Vertical Blower Assembly
6.Secure the blower assemblyy with screws removed in step 1.
HORIZONTAL DUCT COVER INSTALLATION
The second step in the downshot airflow conversion is to install Hori- zontal Duct Covers. Horizontal Duct Covers are an accessory, and can be purchased from your authorized dealer. The kit number is CHK001A.
PHB/PHD Models 24, 30, 36, 42, and PHB48 require that the sup- ply and return air openings be converted to square. Flanges are shipped with these units to complete this conversion.
Models PHD48/60 and PHB60 supply and return air openings are square and do not require a flange conversion. They do, however,
Horizontal Duct Cover Alignment
PHD48/60 and PHB60 Models:
1.Install cover clips (included with unit) on the inner flange sides using existing flange hole.
2.With
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