2
* Sleeper rail is included with any unit that has 3 or more condensing
fans.
† ERV not available on B cabinet with 3 or 4 condenser fans or C
cabinet with 6 condenser fans.
Fig. 1 — CRRFCURBXBAAA1 — Short Curb -
No Equipment Support Example
Fig. 2 — CRRFCURBXC2BA1 — Long Curb (XL
Cabinet) - No Equipment Support Example
Table 1 — Package Usage
CARRIER CURB PN
HEIGHT
(in.)
CABINET
NUMBER OF CONDENSER
FANS*
ERV OR EXHAUST FAN
CRRFCURBXAAAA1
14
A
1, 2
Without
CRRFCURBXAABA1
14
With
CRRFCURBXBAAA1
14
B
1, 2
Without
CRRFCURBXBABA1
14
With
CRRFCURBXB3AA1
14
3
Without
CRRFCURBXB3BA1
14
With†
CRRFCURBXB4AA1
14
4
Without
CRRFCURBXB4BA1
14
With†
CRRFCURBXC2AA1
14
C
2
Without
CRRFCURBXC2BA1
14
With
CRRFCURBXC3AA1
14
3
Without
CRRFCURBXC3BA1
14
With
CRRFCURBXCBAA1
14
4, 6
Without
CRRFCURBXCBBA1
14
With†
CRRFCURBXDBAA1
14
D
4, 6
Without
CRRFCURBXDBBA1
14
With
CRRFCURBXBAAB1
14
B XL
1, 2
Without
CRRFCURBXBABB1
14
With
CRRFCURBXB3AB1
14
3
Without
CRRFCURBXB3BB1
14
With†
CRRFCURBXB4AB1
14
4
Without
CRRFCURBXB4BB1
14
With†
CRRFCURBXCAAB1
14
C XL
2
Without
CRRFCURBXCABB1
14
With
CRRFCURBXCBAB1
14
4, 6
Without
CRRFCURBXCBBB1
14
With†
CRRFCURBXC3AB1
14
3
Without
CRRFCURBXC3BB1
14
With
CRRFCURBXDCAB1
14
D XL
4, 6
Without
CRRFCURBXDCBB1
14
With
56
3
/
4
"
66
1
/
8
"
SIDE
END
CORNER
BRACKET
14"
125
1
/
4
"
56
3
/
4
"
SIDE
SIDE
SIDE
END
CORNER
BRACKET
SPLICE
PLATE
14
"