Reversing The Coil Handing - Daikin Destiny VFD Series Installation And Maintenance Manual

Reversing the Coil Handing

Sharp edges and coil surfaces can cause personal injury. Avoid contact
with them.
Destiny coils universal-hand and coil connections can be
switched to the opposite side of the unit by rotating the coil(s)
180 degrees side to side and reworking the coil section panel
on the opposite side of the air handler.
NOTE: Direct expansion (DX) coils require 180 degree
rotation on the top to bottom to locate distributor
tubes at the leaving face of the coil.
To reverse the coil connections, follow the steps below, (also
refer to Figure 11).
1. Remove exterior panels from both sides of the coil
section. Remove screws that secure the top of the leaving
coil face to the upper track on the inside top of the unit.
2. Lift drain pan condensate connection above the unit frame
flange and slide drain pan, coil(s) and baffles out of unit.
3. Remove screws and remove coil blockoffs.
4. Remove screws holding coil to drain pan and remove coil.
5. Rotate the coil 180° and reposition coil blockoffs to the
entering air side of the coil.
6. Drill holes if required and fasten the blockoffs to the
entering side of the coil.
7. If unit has both heating and cooling coils, position and
bolt heating coil and cooling coil casings together in same
arrangement in the direction of airflow as unit was shipped
from factory. Reheat coils must remain in reheat position;
do not place in preheat position. Fasten the first coil in the
air stream to the entering side of the drain pan using the
same holes provided for the coil before it was rotated.
8. Mark locations and drill holes to align with holes in
upper track.
9. Slide the coil, blockoffs and drain pan assembly back into
unit the same way it was removed. Check the installation
for an airtight fit. Re-install screws that secure the top of
the leaving coil face to the upper track on the inside top
of the unit.
IM 782-12 • DESTINY AIR HANDLERS
CAUTION
Depending on whether the air handler was purchased from
stock or if it was manufactured for the specific job, the
panel on the opposite side may or may not have predrilled
connection holes.
1. If connection holes need to be drilled, determine the
proper diameter in order to use the existing grommets.
2. Mark connection locations on panel and drill new holes
to accommodate connections and grommets.
3. Plug and seal unused connection holes on opposite side
panel with new solid grommet or other suitable material.
10
Installation
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