Mounting The Unit On Stainless Feet Or Underlying Grid; Semicompact Outdoor Units - Airflow Duplexvent MULTI-N Instruction Manual

16. Prior to placing the unit on the base frame prepare outlets for condensate drain, heating and
cooling. Once you place the unit onto the frame the access to the base frame will be possible via
inspection door in the unit as well as in the base frame only.
a. to connect the condensate drain follow the Chapter 2.9;
b. to connect hot water heater follow the Chapter 2.10;
c. to connect water chiller follow the Chapter 2.11;
d. to connect direct chiller follow the Chapter 2.12.
17. Place the unit onto the base frame, follow instructions in the Chapter 1.1.
Should you need to fix the base frame to the roof and subsequently also to fix the unit to the base
frame we recommend using fastening elements as in the pictures below (included in the delivery).
Fastening element to connect base
frame with the roof or unit with the roof.
18. Run the free cable ends through the bushings in the unit's bottom.
19. Run the cable of condensate drain heating through the condensate drain pipe.
20. Connect the condensate drain pipe by screwing a PVC sleeve nut onto the inlet port in the unit's
bottom.
21. Connect NN and SLP cables to the connecting terminal in the unit and check for correct function
(see part "Electrical connections"); this can only be done by qualified electricians!
22. Connect the casing of the unit via an earthing screw and edge-notched washer to the roof's
lightning conductor.
23. Connect the condensate drain to the sewer using a trap. If the condensate drain is heated the
drain can end on the roof. However, drained water may then freeze over on the roof.

2.5.2. Mounting the unit on stainless feet or underlying grid

Stand feet include adjustable bases by the means of which you will achieve the inclination of 3%
towards the extraction of stale air (i2), see the picture Sloping the unit towards condensate drain in the
Chapter 2.5.1.
You will find approximate distance between the stand feet in the Duplexvent selection SW. While in the
project of your unit, select Design, keep the option Stand feet selected and click on AHU placement
method. Use the same distances to determine the position of load-bearing points when you mount the
unit onto an underlying grid. Please contact the manufacturer to confirm the dimensions.
2.6.

Semicompact outdoor units

Semicompact units Duplexvent 10000 - 11000 Multi-N, Duplexvent 7500 - 9000 Multi Eco-N and
Duplexvent 12100 – 15100 Basic-N are a new generation of versatile outdoor ventilation units with
counterflow heat recovery exchangers. They consist of two or three blocks that form the unit once they
are connected together.
The units are used for comfortable ventilation, hot-air heating and cooling in large facilities, shop
floors, stores, schools, restaurants, shops, sports and industrial halls. Units Multi-N and Multi Eco-N
meet requirements of Commission Regulation (EU) No. 1253/2014 (Ecodesign) in the defined working
area. Units Duplexvent 12100 – 15100 Basic-N are intended solely for applications that fall outside the
scope of Commission Regulation (EU) No. 1253/2014.
Fastening element to connect base
frame with the unit
13