Air Filter Selection And Duct Sizing; Air Filter Located In Filter Cabinet; Installation On Combustible Flooring - Payne PG95ESA Installation, Start-Up, Operating And Service And Maintenance Instructions

Table 6 – Filter Media Pressure Drop (Clean) Versus Face Velocity- - In. W.C. (Pa)
Factory-Accessory
Face Velocity
FPM (m/s) (1-in. / 2.5 cm)
200 (1) 0.04
300 (1.5) 0.05
400 (2) 0.07
500 (2.5) 0.08
600 (3) 0.09
700 (3.6) 0.10
* Representative estimates from filter manufacturer data sheets.
See manufacturers' specifications for pressure drop versus airflow data for specific filter media.
See Table 7 for filter size details.
FURNACE CASING WIDTH
14--- 3/16 (360)
{
17--- 1/2 (445)
21 (533)
24--- 1/2 (622)
* Recommended to maintain air filter face velocity. See Product Data for part number.
{ Not all families have these models.
FILTER CABINET HEIGHT --- IN (MM)
14--- 3/16 (360)
{
16 (406)
20 (508)
24 (610)
* Filters with a side return ---air may have a different filter size. Measure the filter to obtain the correct size.
* Recommended to maintain air filter face velocity. See Product Data for part number.
{ Not all families have these models.
A
PLENUM
OPENING
B D
FLOOR
OPENING
C
Washable
(1-in. / 2.5 cm)
(10) 0.05
(14) 0.09
(17) 0.13
(21) 0.18
(23) 0.23
(26) 0.29
Table 7 – Air Filter Selection and Duct Sizing - - In. (mm)
SIDE RETURN
16 x 25 x 3/4
(406 x 635 x 19)
16 x 25 x 3/4
(406 x 635 x 19)
16 x 25 x 3/4
(406 x 635 x 19)
16 x 25 x 3/4
(406 x 635 x 19)

Air Filter Located in Filter Cabinet

FILTER SIZE --- IN (MM)
(1) 16 x 25 x 4--- 5/16
(1) 20 x 25 x 4--- 5/16
(1) 24 x 25 x 4--- 5/16
Fig. 29 - - Installation on Combustible Flooring
Representative After-Market Filter Media*
Fiberglass*
(2-in. / 5 cm)
(13) 0.08 (20)
(22) 0.13 (34)
(32) 0.20 (50)
(44) 0.27 (69)
- - -
- - -
FILTER SIZE
BOTTOM RETURN
14 x 25 x 3/4
(356 x 635 x 19)
16 x 25 x 3/4
(406 x 635 x 19)
20 x 25 x 3/4
(508 x 635 x 19)
24 x 25 x 3/4
(610 x 635 x 19)
14 x 25 x 3/4
(356 x 635 x 19)
(1) 16 x 25 x 3/4*
(406 x 635 x 19) or
(406 x 635 x 110)
(1) 20 x 25 x 3/4*
(508 x 635 x 19) or
(508 x 635 x 110)
(1) 24 x 25 x 3/4*or
(610 x 635 x 19) or
(610 x 635 x 110)
FURNACE
(OR COIL CASING
WHEN USED)
COMBUSTIBLE
FLOORING
DOWNFLOW
SUBBASE
SHEET METAL
PLENUM
FLOOR
OPENING
28
Pleated*
(1-in. / 2.5 cm) (2-in. / 5 cm)
0.18 (47) 0.12
0.30 (75) 0.21
- - 0.31
- - -
- - -
- - -
FILTER TYPE
Washable*
Washable*
Washable*
Washable*
FILTER TYPE
Washable or Media*
Washable or Media*
Washable or Media*
Washable or Media*
FURNACE
APPROVED
COIL ASSEMBLY
OR
COIL BOX
COMBUSTIBLE
FLOORING
SHEET METAL
PLENUM
FLOOR
OPENING
(31)
(52)
(78)
-
-
-
A10491