Carrier 48EJ, User Manual, Page: 2 / 32

ACCESSORY
PACKAGE NO.
CURB
HEIGHT
DESCRIPTION ‘‘A’’ ‘‘B’’ ‘‘C’’
50PQ900221
1
8
-2
9
(305)
Standard Curb —
14
9
High
— — —
50PQ900141
2
8
-0
9
(610)
Standard Curb
for Units Requiring
High Installation
— — —
50PQ900151
2
8
-0
9
(610)
Horizontal Supply
and Return Curb
5
8
-6
9
(1676)
0
8
-2 1 ⁄
2
9
(64)
1
8
-6
9
(457)
50DP900211
1
8
-11
9
(584)
Pre-Assembled,
High-Static,
Horizontal Adapter
6
8
-2
9
(1880)
0
8
-6 1 ⁄
4
9
(159)
1
8
-2 5 ⁄
8
9
(371)
LEGEND
COMP SECT. — Compressor Section
NOTES:
1. Roof curb accessory is shipped unassembled.
2. Insulated panels,
1 ⁄
2
-in. thick neoprene-coated, 2 lb density.
3. Dimensions in ( ) are in millimeters.
4. Direction of airflow.
5. Roof curb: 18 gage steel.
6. Attach all ductwork to roof curb.
7. Field installation of sidewall is mandatory.
NOTE: To prevent the hazard of stagnant water build-up in the drain
pan of the indoor-air section, unit can only be pitched as shown.
Fig. 1 — Roof Curb and Horizontal Adapter Details
2