Carrier PH4G-B Series Installation Instructions Manual page 5

14 seer single-packaged heat pump system with r-410a refrigerant
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PH4G--B: Installation Instruction
UNIT
CATALOG
SIZE
NUMBER
Small or
CPRFCURB011B00 14 (356)
Large
Large
CPRFCURB013B00 14 (356)
*.
Part Number CPRCURB011B00 can be used on both small and large basepan units. The cross supports must be located based on whether the unit is a small basepan or a large
basepan.
NOTES:
1. Roof curb must be set up for unit being installed.
2. Seal strip must be applied, as required, to unit being installed.
3. Roof curb is made of 16-gauge steel.
4. Attach ductwork to curb (flanges of duct rest on curb).
5. Insulated panels: 1-in. (25 mm) thick fiberglass 1 lb. density.
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
LARGE CURB
Fig. 4 – Roof Curb Dimensions
A
B (small/common
IN.
base)
*
(mm)
IN. (mm)
10 (254)
14 (356)
B (large
C
D
base)
IN.
IN. (mm)
*
IN. (mm)
(mm)
47.8
14 (356)
16 (406)
(1214)
5
SMALL/COMMON CURB
SUPPLY
AIR
RETURN
AIR
UNIT PLACEMENT ON
COMMON CURB
SMALL OR LARGE BASE UNIT
F
E
G
IN.
IN. (mm)
IN. (mm)
(mm)
32.4 (822)
30.6 (778)
2.7 (69)
42.2
43.9 (1116)
(1072)
SMALL
BASE
UNIT
LARGE
BASE
UNIT
A180216
H
IN. (mm)
46.1 (1170)

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