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Fan Section Doors
Sharp edges and coil surfaces are a potential injury hazard.
Avoid contact.
NOTE: Opening fan section doors requires using a 1/2"
socket wrench
(Figure
standards and other codes that require the "use of
tools" to access compartments containing moving
parts or electrical wiring.
Figure 14: Opening Fan Section Door
Figure 15: Cutting/Sealing Injected-Foam Insulated Panels
Cut hole from both sides of panel
Prop 65—Substances in fuel or from fuel combustion can cause personal injury or death,
and are known to the State of California to cause cancer, birth defects or other reproductive harm.
www.DaikinApplied.com
WARNING
14), which satisfies ANSI
Seal completely with silicone
sealant or duct seal compound
Injected-Foam Insulated Panels
Skyline air handlers now are furnished with double-wall,
injected-foam insulated panels. Foam panels are stronger,
more rigid, and lighter than panels with fiberglass insulation.
The insulation R-value is improved to 13. However, foam
insulation can burn when exposed to flame or other ignition
sources and release toxic fumes. Take care in cutting and
sealing all field-cut openings in these panels.
Panel Cutting Procedure
1. Determine the number and location of holes required for
electrical conduit, piping, and control wiring as follows:
a. Check that adequate space is available inside the
unit for conduit or pipe routing.
b. Do not locate holes in a panel that provides access
to key maintenance components such as filters
and fan assemblies.
c. Do not locate where the conduit or piping blocks
airflow or obstructs hinged access doors.
2. Once a proper location is determined, drill a small pilot
hole completely through the panel. Then use a sharp
hole saw or a saber saw and cut from each side of the
panel.
3. Seal the double-wall panel on each side with an
industrial/commercial grade silicone sealant or duct seal
compound. It is extremely important to seal each panel
hole or penetration securely so it is airtight, watertight,
and so that there is no exposed insulation.
9
M
I
eChanICal
nsTallaTIon
WARNING
Flame
and
smoke
cause equipment damage,
severe personal injury, or
death . Before operating unit,
seal all piping and wiring
holes on both inner and outer
panels
with
an
industrial
grade silicone sealant or duct
seal compound. Do not use
a cutting torch or expose
panel to fire. Panel damage
can occur .
IM 777-8 • Skyline Air Handler
can
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