Model D1EB units are factory assembled cooling only air conditioners designed for outdoor installation on a rooftop or a slab.
Field-installedelectricheateraccessories are available to provide
electric heat combined with electric cooling. All units andheaters
are certified by AGA and CGA.
Theunits are completelyassembledon rigid, buteasily removablebaserails. All piping, refrigerantcharge,andelectricalwiringisfactoryinstalledandtested.Theunitsrequireonlyelectric
power and duct connections at the point of installation.
The electric heaters have nickel-chrome resistance wire ele
ments and utilize single point power connection.
INSPECTION
Assoonasaunitisreceived,itshouldbeinspectedforpossible
damage during transit. If damage is evident, the extent of the
damageshould be notedon the carrier'sfreight bill. Aseparate
request for inspection by thecarrier's agentshould bemade in
writing. Refer to Form 50.15-NM for additional information.
Installer should pay particular attention to the words: NOTE, CAUTION and WARNING. Notes are intended to clarify or make
theinstallationeasier.Cautions
and/or equipment damage may result if installation procedure is not handled properly.
These unitsmust be installed in accordance with the following
national and local safety codes.
1. National Electrical Code ANSI/NFPS No. 70 or Canadian
Electrical Code Part 1, C22.1 (latest editions).
2. Local plumbing and waste water codes and other applica
ble local codes.
Referto Table1 for unitapplicationdata and to Table 5 for electric heat application data.
If components are to be added to a unit to meet local codes, they
aretobeinstalled at the dealer'sand/orthecustomer'sexpense.
Size of unit for proposed installation should be based on heat
loss/heat gain calculations made in accordance with industry
recognized procedures identified by the Air Conditioning Contractors of America.
TABLE 1 - UNIT APPLICATION DATA
2
/ Max.
208/230V
Voltage Variation
Min. / Max
Wet Bulb Temperature (°F) of Air on
Evaporator Coil, Min. / Max.
Dry Bulb Temperature (°F) of Air on
Condenser Coil, Min.
1
Rated in accordance with ARI Standard 110, utilization range “A”.
2
A low ambient accessory is available for operation down to 0°F
3
“T1" transformer primary tap must be moved from the 230 volt connection to the 208 volt
connection for low voltage applications of 208 volt and below.
.1
3
460V414 / 504
575V518 / 630
187 / 253
57 / 72
45 / 120
3
LOCATION
Use the following guidelines to select a suitable location for
these units.
1. Unit is designed for outdoor installation only.
2. Condenser must have an unlimited supply of air. Where a
choiceoflocationispossible,positionunitoneithernorthor
east side of building.
3. For ground level installation, a level pad or slab should be
used.Thethicknessandsizeofthepadorslabusedshould
meet local codes and unit weight. Donot tie the slab to the
building foundation.
4. For roof top installation, be sure the structure will support
the weight of the unit plus any field installed components.
Unitmustbeinstalledonalevelroofcurborappropriatean
gle iron frame providing adequate support under the
compressor/condenser section.
5. Maintain level tolerance of unit to 1/8" maximum.
RIGGING OR HANDLING
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Care must be exercisedwhen moving the unit. Do not remove
anypackaginguntil the unitisnearthe place ofinstallation.Rig
unit with slings placed under the unit. Spreader bars of sufficient length should be used across the top of the unit.
BEFORE LIFTING A UNIT, MAKE SURE THAT ITS WEIGHT
IS DISTRIBUTED EQUALLY ON THE CABLES SO THAT IT
WILL LIFT EVENLY.
Units may also be moved or lifted with a fork-lift. Slotted openings in the skid are provided for this purpose. Forksmust pass
completely through the base.
RefertoTable2forunitweightsandtoFigure1for approximate
center of gravity.
All units require certain clearances for proper operation and
service. Refer to Figure 3 for the clearances required for com
bustion, construction, servicing and proper unit operation.
WARNING:Do not permit overhanging structures or shrubs to
obstruct the condenser air discharge outlet.
DUCT WORK
Theseunitsare adaptable todownflowuse as well asrearsup
ply and return air duct openings. To convert to downflow, use
the following steps:
1. Remove the duct covers found in the bottom return and
supply air duct openings. There are four (4) screws secur
ing each duct cover (save these screws to use later).
2. Installtheductcovers, removed in step one, to the rear sup
ply and return air duct openings. Secure with the four (4)
screws used in step one.
3. Seal the duct covers with silicone caulking.
Downflow units must have an L-shaped supply duct without
any outlets or registers located directly below the supply outlet
of the unit.
Duct work should be designed and sized according to the
methods of the Air Conditioning Contractors of America
(ACCA), as set forth in their Manual D.
A closed return duct system shall be used. This shall not preclude use of economizers or ventilation air intake. Flexible
joints may be used in the supply and return duct work to minimize the transmission of noise.
CAUTION: When fastening duct work to the side duct flanges on
theunit,insertthescrews through the duct flanges only .
DONOTinsertthe screws through the casing.Outdoor
duct work must be insulated and waterproofed.
NOTE: Be sure to note supply and return openings.
Refer to Figure 3 for information concerning rear and bottom
supply and return air duct openings.
Singlephaseunitsareshipped without a filter andis theresponsi
bilityofthe installer to secureafilterin the returnairductwork or
install a Filter/Frame Kit (1FF0114).
A filter rack and a filters are standard on three phase units.
Filters must always be used andmust be kept clean. When fil
ters become dirt laden, insufficient air will be delivered by the
blower,decreasing your units efficiency andincreasingoperat
ing costs and wear-and-tear on the unit and controls.
Filters should be checked monthly especially since this unit
may be used for both heating and cooling.
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CONDENSATE DRAIN
Acondensatetrap is requiredto beinstalledin thecondensate
drain. The plumbing must conform to local codes. Use a seal
ing compound on male pipe threads. Install the condensate
drain line (
3
“ NPTF) to spill into an open drain.
4
SERVICE ACCESS
Accesstoallserviceablecomponentsis provided by the follow
ing removable panels:
• Blower service access
• Electrical/filter access
• Compressor service access
Refer to Figure 3 for location of these access panelsand minimum clearance.
THERMOSTAT
The room thermostat should be located on an inside wall approximately 56" above the floor where it will not be subject to
drafts, sun exposure or heat from electrical fixtures or appli
ances. Follow manufacturer's instructions enclosed with the
thermostatforgeneral installation procedure.Fouror five color
coded insulated wires (minimum#18 AWG)should be used to
connect thermostat to unit. See Figure 2.
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TABLE 3 - PHYSICAL DATA
DEB
3
1
4
4
3
4
1
4
3
4
1
4
1
1
4
EVAPORATOR
BLOWER
EVAPORATOR
COIL
CONDENSER
FAN
CONDENSER
COIL
MODELS
CENTRIFUGAL BLOWER (Dia. x Wd. in.)9 X 610 X 810 X 810 x 811 X 1011 x 1011 x 10
FAN MOTOR HP(Three Speed)
ROWS DEEP2222223
FINS PER INCH13151515151316
FACE AREA(Sq. Ft.)2.192.814.384.384.385.625.26
PROPELLER DIA. (in.)22222222222222
FAN MOTOR HP
NOM. CFM TOTAL1,8002,2002,4002,4002,4002,8002,800
ROWS DEEP1111111
FINS PER INCH18162018161320
FACE AREA(Sq. Ft.)8.38.38.38.311.716.416.4
Fieldwiringtotheunitmustconform to provisions of the current
N.E.C. ANSI/NFPANo. 70 or C.E.C. and/or local ordinances.
Theunit must be electricallygroundedin accordance with local
codesor,intheirabsence,withtheN.E.C./C.E.C.Voltagetoler
ances which must be maintained at the compressor terminals
during starting and running conditions areindicated on theunit
Rating Plate and Table 3.
The wiring entering the cabinet must be provided with me
chanical strain relief.
A fused or HACR breaker disconnect switch should be field pro
vided for theunit. If any of thewire suppliedwith the unit must be
replaced,replacement wire mustbe of thetypeshown on thewir
ing diagram.
CONTROL WIRING
** = Minimum wire size of 18 AWG
wire should be used for all field
installed 24 volt wire.
THERMOSTAT
R
G
UNIT TERMINAL STRIP
**
Electrical line must be sized properly to carry the load. Each
unit must be wired with a separate branch circuit fed directly
from the meter panel and properly fused.
Referto Figure 2for typical fieldwiringand to theappropriate unit
wiring diagram for control circuit and power wiring information.
COMPRESSORS
Unitsare shipped with compressor mountings factory-adjusted
for shipping. CAUTION: Loosen compressor mounting bolts
half turn before operating unit.
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NOTE:
R
G
HEATANTICIPATOR
SHOULD BE SET AT 0.25
AMPS FOR ALL MODELS.
PROGRAMMABLE
THERMOSTAT ONLY
* = Only required on units with
supplemental electric heat.
W
C
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can