Installation & Operation Manual (2020, 2021)

Wall Plenum Installation

Step 3a - Inside Wall Plenum Half VHA18 & VHA24 Drain Kit Installation

Note: The VHA18 and VHA24 models require installation of the large chassis drain kit (VPDP2). Please refer-

ence the VPDP2 installation manual for more detailed instructions.

1. Cut away gasket from the of the base of the inside wall plenum half the length of the drain kit beginning

from the bottom right corner.

2. Place the VPDP2 where the gasket has been removed as shown above.

3. Ensure that the back lip of the VPDP2 is inserted no deeper than 1.5” into the exterior opening.

4. Secure the VPDP2 to the nished oor or platform.