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Location and Clearances:
Place the heat exchangers so that even heat distribution
will be felt throughout the interior of the motorhome.
Reference Figures 13 through 20.
NOTE: For single slideout configurations, it is usually simplest
to place a heat exchanger on the opposite side of the
motorhome pointing towards the slideout.
Place the heat exchangers where they will be accessible
for potential servicing and cleaning.
Centralize and position a heat exchanger in the fresh
water storage tank plumbing bay.
NOTE: In order to achieve the best heating results, place the
heat exchanger as close to the floor of the plumbing
bay as possible (heat will naturally rise).
Reference Figures 15 and 18 for mounting location
information.
Reference Figure 14 for clearance information.
Fresh Water
Storage Tank
Optional
Vent
Heat Output
Figure 13
Return-Air
Indicates generally recommended
Cozy
mounting locations for the Cozy
Section 2: Hydronic Heating System
Cold-Air Return
Interior Zone Heating/Heat Exchanger Layout
Heat Exchangers
© 2008 Aqua-Hot
®
450-DE/DM Hydronic Heating System Installation Manual
NOTE: An accessory device is available for the Cozy Heat Ex-
changer for the purpose of redirecting the airflow from
the heat exchanger. Reference Figure 17.
Mounting Requirements:
Sufficient ventilation (return-air) must be supplied to
each interior heat exchanger. Reference Figures 15 and
16.
NOTE: Mounting the heat exchangers without sufficient venti-
lation will severely reduce their overall heating perfor-
mance (heat output).
In order to provide sufficient ventilation, the return-
air registers must be the same size, or larger, than the
outlet-air registers.
Return-air must be supplied from the corresponding
interior heating zones.
Cozy
Return-Air
INTERIOR WALL/CABINET WALL
4 inch Minimum
Clearance
Required
Figure 14
Return-Air
Figure 15
— Page 10 —
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