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1002595 ISSUE 5 M172 VARIHEAT
VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL
POOL OCCUPIED SYMBOL
POOL UNOCCUPIED SYMBOL
Whenever a floating pool cover is in use, e cover suppresses evaporation and
heat loss, so it is not necessary to maintain e air temperature higher an e
pool water. Significant running cost reductions can be achieved by reducing
e air temperature. Do not reduce e air temperature wiout a pool cover in
place.
Normal operation, wi e cover removed, is called Occupied Mode. Reduced
air temperature operation, wi e cover in place, is called Unoccupied Mode.
It is expected at e pool will be covered during Unoccupied periods, to
conserve energy and minimise evaporation. If Unoccupied Mode is used while
e cover is removed, increased power consumption and loss of ideal conditions
may result. The integral time clock on e control system allows fixed times to
be set for when e cover will be in place. If you have an automatic pool cover,
it may be possible to connect is to e Variheat as described in section 3.6, to
automatically set Occupied and Unoccupied modes when e cover is moved.
The Variheat operates in eier Occupied or Unoccupied Mode according to:
y User time period settings
y User override button
y Remote system connected to e interface terminals
In Occupied Mode, all functions operate according to User Settings.
In Unoccupied Mode, e following functions change:
y Pool hall air temperature setting reduced to e unoccupied temperature
setting (sometimes called night set back). The pool hall will not be cooled
to is temperature, but if heating is required, it will only heat to is lower
temperature setting (AA+LPHW models only).
y Wi e optional fresh air module, e fresh air volume is reduced to
minimum, unless e user fresh air setting activates maximum fresh air.
Going away for extended periods
Your Variheat system, once commissioned, should never be turned off
completely. Even a cold pool will allow moisture to evaporate into e
environment and if is is not dealt wi expensive building damage may
follow. If you go away for extended periods or wish to take e pool out of
commission, use e following procedure:
Use a good swimming pool cover on e pool to minimise evaporation.
y Set e water temperature at 10°C
y Set e air temperature to 12-15°C
y Leave e humidity setting at 60-65%RH
y Leave e time clock setting in Unoccupied Mode
These settings will minimise energy usage whilst providing maximum
protection for your building.
OCCUPIED AND UNOCCUPIED
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