3
Installation Instructions for:
Indoor Mounted
Arrangement HZ and DB
Step 2 Install Ductwork
Good duct practices should be followed for all ductwork All ducts should be done in
accordance with SMACNA and AMCA guidelines.
Attach and secure the ductwork using self tapping screws.
Greenheck recommends attaching ductwork to collar using a rubber duct section at
the unit to minimize vibration.
Step 1 Install Unit
Using the factory provided lifting lugs, position the
unit in general area of mounting location. Before
lifting the unit into place, test lift the unit to verify
stability and balance. Lift and secure the unit into
position with threaded hanging rods and fasteners
to be attached to one of the following:
• Mounting Brackets (optional accessory)
• Platform (provided by others)
• Rails (provided by others)
Figure 1
Step 3 Install Venting Ductwork
The instructions for the indoor venting are listed on the following pages. Refer to
your unit submittal to determine the correct venting option instructions to follow.
LIFTING
Greenheck make-up air units must be lifted by the factory supplied lifting lugs only. The unit must also remain
upright as shipped, during lifting.
THE USE OF ALL LIFTING LUGS IS MANDATORY WHEN LIFTING.
All access
doors and panels must be closed during lifting to avoid damage.
To prevent damage to the unit cabinetry, use
spreader bars
.
Spreader bars
must be in position to stop cables
from rubbing the unit frame or panels. Before hoisting into position, test lift to insure stability and balance.
Avoid twisting or uneven lifting of the unit.
**IMPORTANT**
All factory provided lifting lugs must be used when lifting any unit. Failure to comply with this safety
precaution could result in property damage, serious injury or death.
Lifting Lugs
Lifting Lugs
Use spreader bar
