Daikin DP5HM, Руководство по установке

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to supply and return outlets. Use of non-flammable
weatherproof flexible connectors on both supply and return
connections at the unit to reduce noise transmission is
recommended.
It is preferable to install the unit on the roof of the structure
if the registers or diffusers are located in the wall or ceiling.
A slab installation is recommended when the registers are
low on the wall or in the floor.
Connecting the Return and Supply Flexible Duct in
Manufactured or Modular Housing Application
The return and supply fittings are to be attached at
the unit to a suitable square to round duct converter.
Your distributor has a factory designed square to round
converter transition. The model numbers of these kits are
as follows in the table below. (See Specification Sheets for
Dimension details).
Accessory
Description
Item Number
Medium Chassis Large Chassis
Downflow Square to
Round
SQRPG101/102 SQRPG103
Horizontal Square to
Round
SQRPGH102 SQRPGH103
The SQRPG101, SQRPG102, and SQRPG103 fit up to
the Return and Supply Downflow vents having dimensions:
Return (22 ¾” x 12 ¼”) and Supply (22 ¼” x 14 ¾”).
The SQRPGH101, SQRPGH102, and SQRPGH103 fit
up to the Horizontal Return and Supply downflow vents
having dimensions: Medium Chassis (16 ½” x 16 ½”) and
Large Chassis (18 ½” x 18 ½”). The Medium Chassis kits
transition to a 16” Diameter and the Large Chassis kits
transition to an 18” Diameter (equivalent diameter, opening
is oval) on the return. The collars are to be slipped into the
openings, and the flanges bent around the converter. The
square to round converter is attached to the flanges of the
square duct openings. The flexible duct is then clamped on
to the collars. Once the duct is affixed to the unit, seal the
collars and flanges with a proper waterproof sealant. See
Figure 6 - Manufactured Home Modification Kit.
OUTER FLANGE
STARTER FLANGE
SQUARE TO ROUND
DUCT CONVERTER PANEL
Manufactured Home Modification Kit
Figure 6
It is strongly encouraged to use appropriately sized ducts
based upon the CFM for your application (unit’s CFM). If
duct sizing through industry manuals or air duct calculators
requires larger ducts than converter openings, run larger
duct size up to unit converter openings and reduce with a
reducer duct fitting or transition right at the unit.
Plenum Application
A suitable plenum or square duct must be constructed. The
duct cross-sectional area should be determined by industry
duct sizing manuals or air duct calculators.
On ductwork exposed to outside air conditions of
temperature and humidity, use an insulation with a good
K factor, and a vapor barrier. Industry practices should be
followed. Balancing dampers are recommended for each
branch duct in the supply system. Ductwork should be
properly supported from the unit.
NOTE: Proper sealing of all ductwork and air
handling compartments is extremely important to
overall unit efficiency.
Filters
CAUTION
To prevent property damage due to fire and loss equipment
efficiency or equipment damage due to dust and lint build-
up on internal parts, never operate the unit without an air
filter installed in the return air system.
Filters are not provided with unit and must be supplied
and externally installed in the return duct system by the
installer. A field-installed filter grille is recommended for
easy and convenient access to the filters for periodic
inspection and cleaning. When installing filters, ensure
the air flow arrows on the filter are pointing toward the
circulator blower. For unit filter size information, see Figure
7 - Recommended Filter Size.
UNIT 2 Ton 2 1/2 Ton 3 Ton 3 1/2 /4 Ton
Min. Filter Size (1)20 x 20 x 1 (1)20 x 25 x1 (1)25 x 25 x1 (2)20 x 20 x 1
Recommended Filter Size
Figure 7
CONDENSATE DRAIN PIPING
The condensate drain connection of the evaporator is a
half coupling of ¾” N.P.T. A trap must be provided to have
proper condensate drainage. Install condensate drain trap
as shown in Figure 8 - Condensate Drain Tap Plumbing.
Ensure drain connection is 3/4” or larger. Do not operate
unit without trap and ensure unit is level or slightly inclined
toward drain.