Page 39 (44)
Ver 2_en_2022-06-27
Assembly Instructions
Envistar Top
12 DUCT CONNECTION, DUCT ACCESSORIES
Duct accessories are placed according to set-up drawing. Order-specific drawings can be
downloaded at
IV Produkt’s order portal
(Technical Data). See
"2.1 IV Produkt’s order portal,
support”, page 9.
12.1 Connect to ducts
The unit is supplied with either rectangular or circular connection sleeves.
12.1.1 Connect to rectangular duct
Sleeve couplings on rectangular duct connections must be supplemented with sealing strip
and connected with guide strips.
00101
Ø
10
1
2
Figure: Rectangular duct connection
1. Option 1: The ducts are connected with a gasket,
guide pin and outer corner.
2. Option 2: The ducts are connected with screws in
the corners of the frame.
12.1.2 Connect to circular duct
Sleeve couplings on circular duct connections are equipped with rubber ring sealing.
00148
Figure: Circular duct connection with Spiro pipe
12.1.3 Connect sleeve (accessories)
If the duct sleeves are connected for dampening vibrations, the duct insulation is fitted over
the entire connection.
