Installation guide

Roof Curb for Small Cabinet
Note A: When unit mounting screw is used,
retainer bracket must also be used.
Roof Curb for Large Cabinet
Note A: When unit mounting screw is used,
retainer bracket must also be used.
, /
\
\
\
\ /
R/A S/A
"_-_Gssket areund_ / _
\\\ duct
insulated Gasket around
deck pan outer edge \
\x
UNIT SIZE
PYIP018-042 PY2P024-036
PYIP048-060 PY2P042-060
NOTES:
1. Ro_ curb mustbe setup Drunitbeinginstalled.
ODS CATALOG NUMBER
CPRFCURB006A00
CPRFCURB007A00
CPRFCURB008A00
CPRFCURB009A00
A
IN. (MM)
8 (203)
14 (356)
8 (203)
14 (356)
B
IN. (MM)
11(279)
11(279)
16 3/16 (411)
16 3/16 (411)
C
IN. (MM)
161/2 (419)
161/2 (419)
17 3/8 (441)
17 3/8 (441)
COOO76
D
iN. (aM)
28-3/4 (730)
28-3/4 (730)
40-1/4 (1022)
40-1/4 (1022)
2. Seal strip must be applied, as required, to unit being installed.
3. Dimensions in ( ) are in millimeters.
4. Roof curb is made of f6-gage steel.
5. Table lists only the dimensions, per part number, that have changed.
6. Attach ductwork to curb (flanges of duct rest on curb).
7. Insulated panels: 1-in. thick fiberglass 1 Ib density.
8. Dimensions are in inches.
g. When unit mounting screw is used (see Note At, a retainer bracket must be used as well. This bracket must also be used when required by code for hurricane or seismic
conditions. This bracket is available through Micromefl.
Fig. 4--Roof Curb Dimensions
PROCEDURE 4---PROVIDE CLEARANCES
The required minimum operating and service clearances are shown in Fig. 2 and 3. Adequate combustion, ventilation and condenser air must be
provided in accordance with section 5.3, Air for Combustion and Ventilation, of the National Fuel Gas Code ANSI (American National Standards
institute) Z223.1 or spplicable provisions of local building code. In Canada, follow sections 7.2, 7.3, or 7.4 or CardCGA. (Canadian Gas
Association) B149 Installation Codes or applicable provisions of local building code.
CAUTION: Do not restrict condenser airflow. An air restriction at either the outdoor*air inlet or the fan discharge can
be detrimental to compressor life.
.... 6__.