DC Inverter U-match Series Duct Type Unit
37
3.2.7.4 Installation of Fresh Air Duct
(1) While connecting the fresh air duct, cut off the fresh air baffle
plate as is shown in the following figure. If the fresh air duct is
not used, block the gap of fresh air baffle plate with sponge.
Remove
(2) Install the round flange so that it can be connected to the fresh
air duct, as is shown in the following figure.
(3) The air duct and round flange duct shall be concealed and kept
warm well.
(4) The fresh air is the air after filtration.
Notice
①
The supply air duct, return air duct and fresh air duct shall have
thermal insulation layer to prevent heat leakage and
condensation. Stick the plastic nail to the air duct, then attach
the heat preservation cotton with tinfoil and fix it with plastic nail
cover, finally, seal the connection joint with tinfoil tape tightly;
other materials with good thermal insulation effect can also be
used.
②
Each supply air duct and return air duct shall be fixed on the
floor prefabricated slab with iron support; the air duct joint shall
Содержание DC Inverter U-match Series
Страница 65: ......