Nortek PPG3HE Series, Руководство по установке

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Figure 4. Refrigerant Service Ports & Air
Conditioning Condensate Drain Locations
HIGH SIDE
LOW SIDE
CONDENSATE
DRAIN
Securing
Screws
Figure 5. Internal Filter Rack Location
Table 1. External & Internal Filter Sizes
EXtERnAl FiltER SiZES
noMinAl
cooling
(TONNAgE)
FiltER SiZE
(IN. x IN.)
APPRoXiMAtE
AiR FloW
RANgE (CFM)
APPRoXiMAtE
FiltER AREA
(SQ. IN.)*
2.0 20 x 25 600-900 450
2.5 20 x 30 750-1200 550
3.0 25 x 25 1100-1300 625
3.5 24 x 30 1200-1600 750
4.0 18 x 24 (2 required) 1400-1800 850
5.0 20 x 25 (2 required) 1700-2200 1000
intERnAl FiltER SiZES
cABinEt
HEigHt
oUtDooR
FAn
DiAMEtER
FiltER SiZE
(IN. x IN.)
APPRoXiMAtE
AiR FloW
RANgE (CFM)
APPRoXiMAtE
FiltER AREA
(SQ. IN.)*
30”
20 (2) 14”x25”
700 - 1300
700
24” (1) 12”x20” and (1) 16”x25” 640
34”
20 (2) 16”x25”
900 - 1400
800
24” (1) 12”x20” and (2) 10”x25” 740
38”
20” (2) 18”x25”
1100 - 1600
900
24” (1) 12”x20” and (2) 12”x25” 840
42”
20” (2) 20”x25”
1300 - 1800
1000
24” (1) 12”x20” and (2) 14”x25” 940
* Based on velocity of 300 ft/min for disposable filters.
Removing Filters from Internal Filter Rack
(If Equipped)
1. Remove access panel screws from return air panel.
( hint: Loosen the unit’s top panel screws near the
top edge of the access panel. The access panel was
designed to be captured underneath the top panel.)
2. Remove upper filter by gently pulling filter through the
access panel opening.
3. Remove lower filter by lifting media to top of filter rack.
Remove in the same manner as described in step 2.
4. Install new filter in the filter rack as described in the
previous section.