Optional Evaporative Cooler Module - Greenheck DG Installation, Operation And Maintenance Manual

7. Install Supply Unit
Use a crane and a set of spreader bars hooked to
the factory lifting lugs to lift and center the unit on the
extension/equipment support(s).
Use self-tapping sheet metal screws to fasten the unit
to the extension/equipment support(s).
Installing Supply Unit
NOTE
The use of all lifting lugs and a set of spreader bars is
mandatory when lifting unit.
NOTE
Some units come with the weatherhood attached and
Step 8 may not apply.
8. Assemble and Attach Weatherhood
The weatherhood can now be assembled and/or
attached to the unit. Detailed assembly instructions
can be found with the weatherhood. If the optional
evaporative cooling module was selected, this step
does not apply, refer to the next section, Installation of
the Optional Evaporative Cooling Module.
9. Seal Weatherhood Seam
Using an appropriate sealant, seal the seam between
the weatherhood and the unit.
Complete Combination Installation
6 Direct Spark Ignition Make-Up Air
Installation of Evaporative Cooling
Module (optional)
NOTE
Small evaporative coolers ship attached to the base
unit and require no additional mounting.
1. Locate Equipment Support(s)
Position equipment support(s)
on the roof (reference the
CAPS submittal for placement
of equipment support(s) in
relation to the unit). Verify that
all unit supports are level, shim
if necessary. Attach equipment
support to the roof, remove metal cover,
flash to wooden nailer and reinstall cover.
2. Apply Sealant
Apply an appropriate sealant around the
airstream opening to create an airtight
seal.
3. Set Evaporative Cooling Module
Use a crane and a set of spreader bars hooked to the
factory lifting lugs
to lift and center
the module on
the equipment
support(s). The
flange on the
evaporative cooler
should overlap the
flange on the unit. Placing Evaporative Module
NOTE
The use of all lifting lugs and a set of spreader bars
is mandatory when lifting the evaporative cooling
module.
4. Secure Cooling Module to Unit
Use self-tapping screws to fasten
the cooling module to the base
unit along the top and down both
sides. Fasten at the top through
the flanges. To fasten the sides,
the media must be removed. To
remove the media, first remove the
access panel on the evaporative
module and disconnect the
evaporative pump(s). The media
will now slide out. With the media
removed, you can access the side fastening points inside
the evaporative module. With all the screws in place,
reinstall the media, reconnect the pumps and reinstall the
access panel.
NOTE
When mounting the evaporative cooler, it is important
that it is level to ensure proper operation and water
drainage.
Metal Cover
Equipment
Support
Equipment Support
Sealant
Sealant
Securing Evaporative
Module
®
Roof Curb