Unitary products group HA 300, Installation Manual

Page: 6 / 32

035-18575-001-A-1102
6 Unitary Products Group
INSTALLATION
LIMITATIONS
These units must be installed in accordance with all
national and local safety codes. If no local codes apply,
installation must conform to the appropriate national
codes. 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 both the condensing unit and the evaporator.
TABLE 1: PHYSICAL DATA
Model
HA/HB
Compressor
*
Condenser
Unit Weight
(Lbs.)
Charge, R-22
Fan (Propeller) Fan Motor Coil (Copper Tube-Aluminum Fin)
Nominal
Capacity
(tons)
Capacity
Stages
Qty. Dia.
Pitch
Deg.
Nom.
CFM
RPM HP
Face
Area
(Ft.
†
)
Rows
Deep
Coil
Width
(In.)
Tube
OD
(In.)
Fins
per
inch
Ship-
ping
Opera-
tion
Operation
‡
(Lbs.-Oz.)
Holding
(Lbs.)
300 25 2 4 24 34 25200
1425
1.50 50
2
60
3/8 16
1598 1648 50.3 1.0
360
System 1 15 2 2 24 36 12600 1.50 25 60 1710 1770 31.5 1.0
System 2 15 2 2 24 36 12600 1.50 25 60 31.5
480
System 1 20 2 2 30 22 16550 1.50 32.5 78 1941 2017 38.1 1.0
System 2 20 2 2 30 22 16550 1.50 32.5 78 38.1
600
System 1 25 2 2 30 22 19725 1.50 52 78 2450 2543 47.3 1.0
System 2 25 2 2 30 22 19725 1.50 52 78 47.3
*.
All compressors are Copeland Scrolls.
†.
One of the fan motors is controlled by a pressure switch and will not operate until system pressure reaches 280 psig and drops
below 180 psig.
‡.
The total operating charge of the condensing unit, matching indoor unit and 25 feet of interconnecting piping.
TABLE 2: UNIT APPLICATION DATA
Voltage Variation
*
Min. / Max.
*.
Utilization range “A” in accordance with ARI Standard
110.
380/415-3-50 342/456
Ambient Air on Condenser Coil
Min. /Max.
40°F/125°F
†
†.
These units can operate in an ambient temperature of
125°F providing the wet bulb temperature of the air
entering the evaporator coil does not exceed 67°F.
Suction Pressure at Compressor and
Corresponding Temp. at Saturation
Min. / Max.
57.5 psig / 92.6 psig
32.0 ºF / 55.0 ºF