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INSTALLATION & SERVICE MANUAL FOR PROFESSIONALS
Product description: Overall description
Product label
The product label showing the variant and serial number is placed next to the USB connec-
tion.
Description of
This section illustrates the function of the different parts in drain mode A / B. The default
mode is mode A.
drain mode A / B
Part
Duct connection 1 (Fig. 5)
Duct connection 2 (Fig. 5)
Duct connection 3 (Fig. 5)
Duct connection 4 (Fig. 5)
Filter 1 (Fig. 3)
Filter 2 (Fig. 3)
Fanbox 1 (Fig. 3)
Fanbox 2 (Fig. 3)
*Supply fanbox can be fitted with electrical preheat element (accessory)
Bottom outlet
HCV 300 and 400 have supplemental ducts in the bottom (Duct 5 and 6) (Fig. 5), which are
in mode A / B
closed by default, but can be used as a bottom outlet for supply air (T2). The table below
shows, which duct is used for bottom outlet in mode A / B and which corresponding duct has
to be closed at the top of the unit.
Option for HCV 300/ 400 only:
Drain mode
Mode A
Mode B
Duct 2
Duct 4
Duct 3
Duct 1
Bottom outlet
Closed duct
Duct 5
Duct 2
Duct 6
Duct 4
Fig. 4
Duct 5
Drain
mode B
Fig. 5
Mode A
Outdoor air - T1
Supply air - T2
Extract air - T3
Exhaust - T4
Extract filter G4
Supply filter G4 or F7
Extract fan
Supply fan*
Duct 6
Drain
mode A
Mode B
Extract air - T3
Exhaust air - T4
Outdoor air - T1
Supply air - T2
Supply filter G4 or F7
Extract filter G4
Supply fan*
Extract fan
17
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