11
Topvex FC
Compact Air Handling Unit
Operation and Maintenance Instructions
Document in original language
125918-EN_GB
2015-03-16 A001
Operation and Maintenance Instructions
Systemair AB
3.3 Condensation drain
The unit must be connected to the condensation drain.
See table 1 how the height “H” corresponds to dierent maximum negative pressures.
If the unit is mounted in a tight area that makes it dicult to have the appropriate height, a pump is available as an
accessory.
Note:
When installed in a non heated place the drain pipe and trap needs to be insulated well to prevent the water from
freezing.
Fig. 3
H (mm) Max. Negative pressure (Pa)
65 300
95 600
135 1000
Table 1
Fig. 4 - Drainage connection
H
NOTE: It is recommended to use a ball trap siphon
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