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Ver 2_en_2022-06-27
Assembly Instructions
Envistar Flex
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Order Portal
12 DUCT CONNECTION, ACCESSORIES
Duct accessories are placed according to set-up drawing. Order-specific drawings can be
downloaded at
IV Produkt’s order portal
(Technical Data). Se
"1.1 Intended use”, page 6
och
"2.5 Symbols on drawings and in manual”, page 11.
12.1 Connect to ducts
The unit is supplied with rectangular 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 connection sleeve
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.
12.1.3 Connect sleeve (accessories)
If the duct sleeves are connected for dampening vibrations, the duct insulation is fitted over
the entire connection.
12.2 Connect duct coils
The distance after a duct elbow, damper or similar must be at least three times the duct
dimension to obtain smooth air distribution. See
"8 CONNECT COIL, WATER”, page 42
and
"9 CONNECT COIL, ELECTRIC”, page 46
.
The coils have a rectangular connector for the guide system.
12.3 Connect sound attenuator (EMT-02)
The unit is supplied with either a rectangular or circular sound attenuator depending on the
chosen size of unit and duct connections.
12.4 Connect shut-off damper (EMT-01), and trim damper
(ESET-TR)
The damper can be fitted for horizontal or vertical air streams.
