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1002595 ISSUE 5 M172 VARIHEAT
VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL
3.2 FRESH AIR AND EXHAUST AIR
Always use flexible
connections from adequately
supported duct work to the Variheat
Note
Duct work should be heavily
insulated if the Variheat is used
in a plenum chamber application.
i.e. If the Variheat is installed in a plant
room without ducting from the pool hall
to the Variheat air inlet.
Fresh air in
Exhaust air out
Separator panel
Minimum distance
2m
Wall
See note 5
If this distance to the
obstruction (hedge or wall)
is less than 7m,
then a full height separator
panel may be required to
prevent recirculation
Exhaust air
out
Fresh air
in
Return air from
pool hall
Notes
1. Ensure duct work pressure drop including all inlet/outlet grilles does not
exceed resistance given in data sheet, section 5.0.
2. Every effort must be made to prevent re-circulation of exhaust air back into
the fresh air inlet.
3. Ensure fresh air inlet does not become blocked by debris (leaves, grass
cuttings, etc).
4. If unit is located in a plant room at pool hall air temperatures any ambient
air ducting must be heavily insulated.
5. Ensure flexible couplings are used to seal the ambient suction and
discharge spigots from each other to prevent cold air from entering the
plant room.
Summary of Contents for Variheat AA1200
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