Calorex Variheat AA600 - Fresh Air and Exhaust Air

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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 e Variheat
Note
Duct work should be heavily
insulated if e Variheat is used
in a plenum chamber application.
i.e. If e Variheat is installed in a plant
room wiout ducting from e pool hall
to e Variheat air inlet.
Fresh air in
Exhaust air out
Separator panel
Minimum distance
2m
Wall
See note 5
If is distance to e
obstruction (hedge or wall)
is less an 7m,
en 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
e 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 e ambient suction and
discharge spigots from each oer to prevent cold air from entering e
plant room.