OWNER
’
S GUIDE -12
Insulating reduces cooling loss and helps prevent water staining of the vehicle ceiling due to moisture condensation.
IMPORTANT
Figure 1
Figure 2
Supply (cold air) registers should have a minimum discharge
area of 48 square inches per system, or 24 square inches
per duct. Figure 3 shows how to determine the discharge
area for a given register, and how to determine the num-
ber of registers required.
The register in Figure 3 provides 6 square inches of discharge
area. Each duct would require 4 registers of this size to sat-
isfy the 24” requirement.
The Additional Register Requirements are as follows:
B. Registers
1
2
Min. Max. Min. Max.
*Distance from Duct End 5” 8” *Distance from End of Elbow 15” -
*Distance between Registers 24” - *Total Number Required per system 4 8
*Number Required per Duct 2 -
Figure 3
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