Unitary products group EF-10, Инструкция по установке

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035-18550-001-A-0902
Unitary Products Group 5
INSTALLATION
LIMITATIONS
These units must be installed in accordance with all
national and local safety codes. If no local codes apply,
installation must conform with the appropriate national
codes. See Table 2 for unit application data. Units are
designed to meet National Safety Code Standards. If
components are to be added to a unit to meet local
codes, they are to be installed at the dealer's and/or
the customer's expense.
LOCATION
Use the following guidelines to select a suitable loca-
tion for these units.
1. The outdoor units must be installed outside the
building. The outdoor fans are the propeller type
and are not suitable for use with duct work.
2. The outdoor and indoor units should be installed as
close together as possible and with a minimum
number of bends in the refrigerant piping. Refer to
REFRIGERANT PIPING for additional information.
TABLE 1: PHYSICAL DATA
Description Unit Model EF-10
Compressor
1
Rating, (Tons) 10
Fans
Quantity 2
Diameter, (In.)/No. Blades 24/3
Nominal CFM 7830
Fan Motors
2
HP 3/4
RPM 1100
Coil
Face Area, (Sq. Ft.) 36.11
Rows Deep x Rows High 2 x 40
Finned Length, (In.) 130
Tube (Copper) OD - inches 3/8
Fins (Aluminum) per inch 20
Refrigerant-22
(Lbs.)
Holding Charge 2.25
Operating Charge
3
31.8
Unit Weight
(Lbs.)
Shipping 857
1.
These compressors are fully hermetic.
2.
These PSC motors are directly connected to the outdoor fans and have inherent protection, ball bearings and a 48 frame.
3.
Includes outdoor unit and matched indoor blower unit, but no piping. Refer to Table 6 for refrigerant line charge.
TABLE 2: UNIT APPLICATION DATA
MODEL EF-10
Voltage Variation
1
Min. / Max.
1.
Rated in accordance with ARI Standard 110, utilization
range “A”.
208/230-3-60 187 / 252
460-3-60 432 / 504
Air Temperature on
Outdoor Coil, ºF
Min. / Max.
Cooling 40ºF / 125ºF
Heating
0ºF
2
/ 75ºF
2.
Below 0ºF, the control system stops the compressor
and allows the electric heat accessory to cycle at its
standby capacity.
Air Temperature on
Indoor Coil ºF
Min. / Max.
Cooling 57ºF / 72ºF
Heating
50ºF
3
/ 80ºF
3.
Operation below this temperature is permissible for a
short period of time when a unit is required to heat the
conditoned space up to 50ºF.