Mounting The Heat Exchangers - Aqua-Hot 450-DE Installation Manual

Mounting the Heat Exchangers:

1. Cut out a 2.5 inch H x 10 inch W opening for each heat
exchanger outlet and cold-air return register. Reference
Figure 16.
2. Mount each heat exchanger permanently into place.
Reference Figures 19 and 20.
3. Install the hot-air outlet and cold-air return registers.
Reference Figure 16.
NOTE: Please note that a return air register may not be re-
quired; however, adequate return-air must be provided
to each particular heat exchanger. This means that the
total cross-sectional area of the return-air opening must
be equal to or greater than the cross-sectional area of
the hot-air outlet opening of the heat exchanger.
Generalized Motorhome Heating System Floor Plan
Living Room
Heat Exchanger
Section 2: Hydronic Heating System
Living Room
Heat Exchanger
Heating Loop 1
Kitchen and Living Room
© 2008 Aqua-Hot ® 450-DE/DM Hydronic Heating System Installation Manual
HEAT
EXCHANGER
REGISTER
HOT-AIR
OUTLET
BASE-BOARD / TOE-KICK AREA
Figure 17
Bedroom
Heat Exchanger
Bathroom
Heat Exchanger
Kitchen
Heat Exchanger
Aqua-Hot
Heating System
Heating Loop 2
Bathroom, Bedroom,
and Fresh Water Tank Bay
Heating Zones
Heating Zone
CABINET/COUCH
COLD-AIR
REGISTER
Figure 16
Engine
Engine
Fresh Water
Preheating
Tank Heat
Exchanger
Figure 18
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REGISTER