Filter Installation Dimensions - Trane OXBOX J4AH4P Series Installation Instructions Manual

Do not operate the system without filters. A portion of the dust entrained in the air may temporarily lodge In the duct runs and at the supply
registers. Any circulated dust particles could be heated and charred by contact with the air handler elements. This residue could soil ceilings,
walls, drapes, carpets and other articles in the house.
Soot damage may occur with filters in place, when certain types of candles, oil lamps or standing pilots are burned.

9. FILTER INSTALLATION DIMENSIONS

DIMENSIONAL DATA
FILTER SIZE
MODEL
18 16Χ20[406Χ508]
24/30/36 18Χ20[457Χ508]
42/48/60 20Χ22[508Χ559]
• AIR FILTER REMOVAL
1.Remove bolts manually, remove air filter cover, see in Fig.12.
2.Hold the edge of the air filter and extract it out.
3.Clean the air filter (Vacuum cleaner or pure water may be used to clean the air filter. If the dust accumulation is too
heavy, use soft brush and mild detergent to clean it and dry out in cool place).See in Fig.13.
4.Install new filter so that the arrow on the filter is in the same direction as airflow.
Fig.12 EXTERNAL FILTER BASE
"W" IN [mm] "D" IN [mm]
IN [mm]
16.8[426]
18.3[466]
20.7[526]
WARNING
NOTE:
Air filter is optional part, isn't factory-installed.
"H" IN [mm]
20.4[518] 1[25.4]
21.6[548] 1[25.4]
23.9[608] 1[25.4]
14
FILTER RAILS
FILTER COVER
H
MANUAL BOLT
Return length
Return width
"B" IN
"A" IN
14.8
19.6
16.3
20.8
18.8
23