Payne PA1P048 Installation & Start-Up Instructions page 5

Pa1p and pa2p single packaged electric cooling units
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Roof
Curb
for Small
Cabinet
Note A: When unit mounting
screw is used,
retah_er bracket must also be used.
Roof
Curb
for Large
Cabinet
Note A: When uNt mounting screw is used,
retainer bracket must also be used.
ReHm opeHrl0
{B X C)
deck pan
ong
/
,ul,oo_t
\
R/A
\
\
\
\
\
"--_-Gasket
around_
duct
S/A
/2
insulated
Gasket around
deck pan
outer edge ,.,
\,
C00076
UNIT SIZE
PAIP018-042
iPA1P048-060
PA2P024-036
PA2P042-060
NOTES:
1 Dimensions
]n ( ) are ]n millimeters.
2 Roof curb is made of 16-gage steel
ODS CATALOG NUMBER
CPRFCURB00dA00
CPRFCURB007A00
CPRFCURB008A00
CPRFCURB009A00
3 Table lists only the dimensions
per part number that have changed
4 Insulated
panels: 1-in thick fiberglass
1 Ib density.
A
IN. (MM)
8 (203)
14 (356)
8 (203)
14 (356)
B
]-N. (MM)
11(279)
11(279)
16-3/16 (411)
16-3/i6 (411)
c
IN. (MM)
16-1,'2 (419)
16-1/2 (4!9)
17-3/8 (441)
17-3/8 (441)
D
_N. (MM)
28-3/4 (730)
28-3/4 (730)
40-1/4 (1022)
40-1/4 (!022)
Fig. 4A-- Roof Curb Dimensions
C.
GROUND
MOUNT
The unit may be installed either ou a slab or placed directly on the ground if local codes permit, Place the unit on level ground prepared with gravel
%r condensate discharge
PROCEDURE
3--PROMIDE
CLEARANCES
_he required minimum service clearauces are shown in Fig. 2 & 3. Adequate ventilation and outdoor air must be provided. The outdoor _m drav,s
air through the outdoor coil and discharges it through the top Jim grille. Be sure that the fan discharge does not recirculate to the outdoor coil. Do
not tocate the unit in either a come* or under an overhead obstruction. The minimum clearance under a partial ore*hang (such as a normal house
overhang) is 36 in above the unit top. The maximum horizontal extension of a partial overhang must not exceed 48 in For extended overhangs,
provide a minimum clearance of 48 in.
mMPORTANT:
Do not restrict outdoor airflow, An air restriction at either the outdoor-air inlet or the fan discharge may be detrimental to
compressor life,
5

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