hajdu HB300C Manuel De Mise En Service, D'opération Et D'entretien page 89

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a) Due to connection with air duct, part of air flow and heat pump capacity is lost
in the system.
b) If the air outlet of the main unit is connected to canvas air duct, condensate
drops may be produced outside the canvas air duct during the operation of the
main unit. Please, ensure drainage of condensate water. In this case, it is
recommended to mount the heat insulation layer outside the air duct outlet.
Putting into operation HB300(C(1)) hot water tank in a closed space.
It is forbidden to operate HB300(C(1)) hot water tank outdoor or exposed to rain or
moisture.
If the HB300(C(1)) hot water tank is connected to air duct reaching to outdoor,
reliable water-resistant protection needs to be ensured for the air duct, to avoid that
rainwater enters the appliance.
Figure 7.2.-5.
Figure 7.2.-6.
Rain
Rain
Weather shed