Carrier 100/A Series Installation, Start-Up, Operating And Service And Maintenance Instructions page 20

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v@
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RETURN
AIR
_' NOT PERMITT£D FOR
066,060, -22-20
AIR FLOW MODELS
IIIII
IIIII
IIIII
IIIII
i_ 4 I(_ SIDE RETURN AIR I_l
NOT PERMITTED FOR
066060.2_o ELS F_
L_l_w __ HOR'ZONAL
RETURN RETURN AIR
* NOTE: RESTRICTION _i.
SAME FOR AiR RESTRiCTONS
HORIZONAL LEFT
T
_ HORIZONTAL RETURN AiR CONFiGURATiONS AND RESTRiCTiONS
AiR FLOW MODELS RETURN AiR RETURN AIR RETURN AiR RETURN AIR
CONNECTION 1 CONNECTION 2 CONNECTION 3 COMBINATIONS
ONLY ONLY ONLY OF 1, 2_ AND 3
066.060, -22 AND YES NO NO NO
-20 MODELS
ALL OTHER MODELS YES YES YES YES
Fig. 20 - Horizontal Return Air Configurations and Restrictions
A02162
TOP VIEW OF BURNER AND MANIFOLD ASSEMBLY
90° Elbow
Gas
Supply
2"(51 mm) Nipple
Street Elbow
_-- Gas Valve
Fig. 21 - Burner and Manifold
A08551
20