• Make sure that air temperature close
to heat recovery ventilation device
or air inlet and outlet grille in places
directly under burning eects of high
temperature or ame source does
not exceed 40°C. In case of operation
under high temperature, the unit will
have its air screen and heat exchanger
deformed or its electric motor burnt
out.
• Do not operate the unit in humid
bathroom. Otherwise, leakage or
electric shock as well as other lapses
may ensue.
• Places such as kitchen where steam and oil
soot are thick shall be avoided.
Otherwise, re accident ensues.
• For measures available, please contact
concerned distributors for detailed
information.
• Do not operate the unit in places such
as machining plant or chemical plant
where hazardous or corrosive gases
(acid, alkali or organic solvent and oil
paint) exist; places where inammable
gases may leak shall also be avoided.
Such gases may lead to re accident.
• Places where carbon black (fume and
soot) is thick shall be avoided.
Otherwise, carbon black (fume and
soot) gathers on air screen and heat
exchanger and causes them to break
down.
• Places where leakage of inammable
gases is possible shall be avoided.
Otherwise poisoning or re ensue.
• Creepage breaker shall be mounted
to prevent electric shock or re
accident.
Otherwise, shock may ensue.
5
Installing Considerations
DO NOT USE HEAT RECOVERY VENTILATION DEVICE OR AIR INLET AND OUTLET GRILLE IN PLACES AS FOLLOWS:
Safety Considerations
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