Nordyne R8HE Series Installation Instructions Manual page 10

NOMINAL
COOLING
(TONNAGE)
2.0
2.5
3.0
3.5
4.0
5.0
OUTDOOR
CABINET
HEIGHT
DIAMETER
30"
34"
38"
42"
* Based on velocity of 300 ft/min for disposable filters.
HIGH SIDE
LOW SIDE
CONDENSATE
DRAIN
Figure 4. Refrigerant Service Ports & Air
Conditioning Condensate Drain Locations
10
EXTERNAL FILTER SIZES
FILTER SIZE
(IN. X IN.)
20 x 25
20 x 30
25 x 25
24 x 30
18 x 24 (2 required)
20 x 25 (2 required)
INTERNAL FILTER SIZES
FILTER SIZE
FAN
(IN. X IN.)
20 (2) 14"x25"
24" (1) 12"x20" and (1) 16"x25"
20 (2) 16"x25"
24" (1) 12"x20" and (2) 10"x25"
20" (2) 18"x25"
24" (1) 12"x20" and (2) 12"x25"
20" (2) 20"x25"
24" (1) 12"x20" and (2) 14"x25"
Table 1. External & Internal Filter Sizes
APPROXIMATE
AIR FLOW
RANGE (CFM)
600-900
750-1200
1100-1300
1200-1600
1400-1800
1700-2200
APPROXIMATE
AIR FLOW
RANGE (CFM)
700 - 1300
900 - 1400
1100 - 1600
1300 - 1800
Securing
Screws
Figure 5. Internal Filter Rack Location
APPROXIMATE
FILTER AREA
(SQ. IN.)*
450
550
625
750
850
1000
APPROXIMATE
FILTER AREA
(SQ. IN.)*
700
640
800
740
900
840
1000
940