background image

Product overview

Fig. 1: Schematic illustration

Front frame, UL with L-sections, KUL with U-
sections

Blades (closed)

Centre mullion (B 

 1000 mm)

Blades (open)

Blade restrictor

Seal

WG border

WG regular blades

WG bottom blade

Crimped wire mesh, with or without insect
screen

Casing

Blades

Seal

Linkage

Travel stop (angle section)

Adjustable blade restrictor

Installation manual

GB/en

Non-return dampers

Types UL, KUL, WG-KUL, ARK, ARK-1

TROX GmbH
Heinrich-Trox-Platz
47504 Neukirchen-Vluyn
Germany
Phone: +49 (0) 2845 2020
Fax: +49 (0) 2845 202265
E-mail: [email protected]
http://www.troxtechnik.com

A00000053072, 10/2018, 

©

 TROX GmbH 2015

 

Non-return dampers Types UL, KUL, WG-KUL, ARK, ARK-1

1

Summary of Contents for ARK series

Page 1: ...e mesh with or without insect screen Casing Blades Seal Linkage Travel stop angle section Adjustable blade restrictor Installation manual GB en Non return dampers Types UL KUL WG KUL ARK ARK 1 TROX GmbH Heinrich Trox Platz 47504 Neukirchen Vluyn Germany Phone 49 0 2845 2020 Fax 49 0 2845 202265 E mail trox trox de http www troxtechnik com A00000053072 10 2018 TROX GmbH 2015 Non return dampers Type...

Page 2: ...cog nise and avoid any risks involved Limitation of liability The information in this manual has been compiled with reference to the applicable standards and guidelines the state of the art and our expertise and experience of many years The manufacturer does not accept any liability for damages resulting from Non compliance with this manual Incorrect use Operation or handling by untrained individu...

Page 3: ...d thin sheet metal parts may cause cuts or grazes Be careful when carrying out any work Wear protective gloves safety shoes and a hard hat Use only lifting and transport gear designed for the required load Always secure the load against tip ping and falling Upon delivery carefully remove the packaging and check the damper for transport damage and com pleteness Storage Please note Store the unit on...

Page 4: ...ts Note the airflow direction Duct connection on one side or on both sides with UL only on one side Dampers that are not screw fixed to the wall or ceiling slab require suspensions The function of the damper must be checked before installation General installation information Fig 2 Installation types Ducts on both sides only with KUL ARK 1 Without duct air transfer Duct on one side air outlet Duct...

Page 5: ...th factory mounted external weather louvre Fig 4 Wall installation UL1 Extract opening UL2 Supply opening Note the airflow direction blade opening direction Installation opening H1 B1 Without installation sub frame H 15 B 15 With installation sub frame H 35 B 35 Fix the damper with suitable screws by others flange holes 9 mm Installation Non return dampers Types UL KUL WG KUL ARK ARK 1 5 ...

Page 6: ...allation subframe KUL shown Fig 6 Duct installation KUL shown Fix the damper with suitable screws by others flange holes 9 5 mm Fig 7 Installation with installation subframe WG KUL 1 shown Threaded stud Fixing tab Installation subframe Items 1 to 3 are included in the installation sub frame supply package Installation opening H1 B1 Without installation sub frame H 95 B 95 With installation sub fra...

Page 7: ... exhaust air or fresh air damper Fig 8 Horizontal airflow Fig 9 Vertical airflow Fig 10 Wall installation without installation sub frame ARK 1 shown Blade movement area must be kept clear Fig 11 Duct installation ARK 1 shown Blade movement area must be kept clear Installation Non return dampers Types UL KUL WG KUL ARK ARK 1 7 ...

Page 8: ...Threaded stud Fixing tab Installation subframe Items 1 to 3 are included in the installation sub frame supply package Installing the installation subframe Fig 13 Installation subframe and damper assembly Threaded stud Washer Hexagon nut Fixing tab Hexagon head screw Installation subframe Damper casing Installation Non return dampers Types UL KUL WG KUL ARK ARK 1 8 ...

Page 9: ...oning and maintenance Commissioning Personnel HVAC technician As part of commissioning the non return damper must be tested for correct functioning NOTICE Start up of fans with UL KUL Ensure a gradual start up of fans to avoid a sudden pressure increase NOTICE ARK 1 blade restrictors Type ARK 1 non return dampers have adjustable blade restrictors which can be adjusted as part of commissioning Main...

Page 10: ...ature galvanised steel 0 80 C Operating pressure galvanised steel with optional Viton seal 0 120 C Operating pressure stainless steel with optional Viton seal 0 200 C Total differential pressure at 10 m s horizontal airflow 115 Pa Differential pressure at 2 m s vertical airflow 135 Pa Differential pressure at 10 m s vertical airflow 45 Pa Closed blade air leakage against the intended airflow direc...

Page 11: ...Non return dampers Types UL KUL WG KUL ARK ARK 1 11 ...

Page 12: ...Non return dampers Types UL KUL WG KUL ARK ARK 1 12 ...

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