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CAUTION:
Use care when removing parts from
this unit. Personal injury can result
from sharp metal edges present in all
equipment of sheet metal construc-
tion.
Routine Maintenance — Proper maintenance
is important to achieve optimum performance
from the air conditioner. The ability to properly
perform maintenance on this equipment requires
certain mechanical skills and tools. If you do not
possess these skills, contact your dealer for
maintenance. Consult your local dealer about
the availability of maintenance contracts. At a
minimum, routine maintenance should include
the following:
1. Inspect and clean or replace air filters at the
beginning of each heating and cooling season,
or more frequently if required.
Model Number
P4SD
High
036
Medium*
Low
Tap T1
Tap T2
048
Tap T3
Tap T4
*
Tap T5
*
*
Tap T1
Tap T2
060
Tap T3
*
Tap T4
*
*
Tap T5
*Denotes factory set cooling speed
** Denotes factory set electric heating speed
Table 1. Packaged Air Conditioner Blower Curves
2. Inspect the condensate drain and outdoor
3. Inspect the electrical connections for
4. Motors having oil tubes should be lubricated
External Static Pressure Drop - inches water column
0.1
0.2
0.3
1600
1510
1410
1410
1330
1250
1130
1070
1000
1190
1100
1000
1230
1180
1120
1310
1259
1208
1463
1416
1370
1680
1640
1600
1515
1450
1380
1580
1520
1460
1740
1690
1650
1960
1910
1840
2090
2050
2010
coil at the beginning of each cooling season.
Remove any debris. Clean the outdoor coil
and louvers as necessary using a mild
detergent and water. Rinse thoroughly with
water.
tightness at the beginning of each heating
and cooling season. Service as necessary.
annually by adding 10 drops of SAE 20 non
detergent oil. Do not over oil or lubricate any
motor that does not have oil tubes.
CAUTION:
!
The unit should never be operated
without a filter in the return air sys-
tem. Replace disposable filters with
the same type and size.
0.4
0.5
0.6
1310
1200
1070
1150
1050
940
930
850
760
970
910
855
1080
1030
980
1152
1097
1044
1321
1270
1220
1550
1520
1470
1350
580
1250
1400
1300
1300
1600
1360
1500
1820
1540
1740
1975
1780
1900
0.7
0.8
930
760
820
670
650
530
790
760
930
875
991
931
1175
1120
1430
1380
1200
1160
1260
1230
1460
1390
1700
1600
1850
1790
13
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