29
HORIZONTAL LEFT TOP
RETURN NOT PERMITTED
FOR ANY MODEL.
SEE TABLE BELOW.
RETURN
AIR
*RETURN
AIR
*HORIZONTAL LEFT BOTTOM RETURN
NOT PERMITTED FOR ALL MODELS.
SEE TABLE BELOW.
SUPPLY
AIR
1
2
3
*
A14006
Fig. 30
−
Horizontal Left Return Air Configurations and Restrictions
Table 9 – Horizontal Left and Right Return Air Connections
INPUT*
CASING
WIDTH
INCHES
HORIZONTAL LEFT RETURN AIR CONNECTIONS
CONNECTION AT
1 ONLY
CONNECTION AT
2 ONLY
CONNECTION AT
3 ONLY
COMBINATION OF 1 & 2
40,000
14 3/16
YES
YES
NO
YES
17 1/2
YES
YES
NO
YES
60,000
14 3/16
YES
YES
NO
YES
17 1/2
YES
NO
NO
YES
80,000
17 1/2
YES
YES
NO
YES
21
YES
YES
NO
YES
100,000
21
YES
YES
NO
YES
120,000
24 1/2
YES
YES
NO
YES
INPUT*
CASING
WIDTH
INCHES
HORIZONTAL RIGHT RETURN AIR CONNTECIONS
CONNECTION AT
1 ONLY
CONNECTION AT
2 ONLY
CONNECTION AT
3 ONLY
COMBINATION OF 1 & 2
40,000
14 3/16
YES
YES
NO
YES
17 1/2
YES
YES
NO
YES
60,000
14 3/16
YES
YES
NO
YES
17 1/2
YES
YES
NO
YES
80,000
17 1/2
YES
YES
NO
YES
21
YES
YES
NO
YES
100,000
21
YES
YES
NO
YES
120,000
24 1/2
YES
YES
NO
YES
NOTE
: Not all models may be available in all casing sizes shown in the table above.
912S
