Instruction manuals

This manual is intended as a reference book by which qualified installers can install the HRQ-PremAir and all optional device as well. This device must be used according to its purpose. Make sure you have read and understood the manual before you install and/or use the device. Please be informed that we are constantly working on the development and improvement of our products hence minor differences between this document and your unit are possible.

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General information on Assembly, Wiring diagram, Usage, Cleaning, maintenance and trasnport and Warranty terms and conditions. 

* Alnor reserves the right to errors and mistakes in the website content. The presented information is not to be considered commercial offer as understood under Art. 66 and following of the Civil Code. Please contact your closest Sales Department to confirm the availability and current pricing.

General information on Assembly, Wiring diagram, Usage, Cleaning, maintenance and trasnport and Warranty terms and conditions. 

* Alnor reserves the right to errors and mistakes in the website content. The presented information is not to be considered commercial offer as understood under Art. 66 and following of the Civil Code. Please contact your closest Sales Department to confirm the availability and current pricing.

HRU-WALL is a single alternate flow decentralized (single point) residential
heat recovery unit, also called«push&pull» unit, designed to ensure adequate
ventilation in enclosed environments without energy losses. It is recommended
that two units are installed in pair: when one unit is pulling, the other is pushing.
Pair of units can be installed in the same room or in different rooms
(i.e. livingroom and bedroom). The unit is suitable for installation on an outside wall.

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HRU-WALL-RC is a decentralized, ductless ventilation unit with heat recovery, intended
for residential buildings. Also referred to us “push & pull”, wall-mounted or single-room
unit. It is recommended that two units are installed in pair: when one unit is pulling,
the other is pushing. Pair of units can be installed in the same room or in different
rooms  (i.e. living-room and bedroom). The unit is suitable for installation on
an outside wall.

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FLX-REKU oval system is intended for residential mechanical ventilation systems with
heat recovery. Ducting is semi-rigid nonmetallic made of HDPE (high-density
polyethylene), plenum boxes and distribution boxes comprise of galvanised steel
and HDPE connectors.

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How to install spiral ductwork? How to cut circular ducts? How to transport spiral ducts
safely? Read our Good practices and find answers on these and more questions
concerning installation, transport and storage of spiral ducts.

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The FDA2-12 shut-off dampers may be used when the ventilation system passes through the vertical and horizontal building partitions, ensuring fire integrity E, fire insulation I, smoke-leakage S 120 - EI 120 (ve ho i↔o ) S, depending on the fire resistance class of the building partition. The subject of the present documentation covers the FDA2-12 round and rectangular shut-off fire dampers used in the general ventilation systems as protections that prevent smoke and fire from getting between the separated neighbouring fire zones.

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The FDA-12 shut-off dampers may be used when the ventilation system passes through the vertical and horizontal building partitions, ensuring fire integrity E, fire insulation I, smoke-leakage S 120 - EI 120 (ve ho i↔o ) S, depending on the fire resistance class of the building partition. The subject of the present document covers the FDA-12 round shut-off fire dampers used in the general ventilation systems as protections that prevent smoke and fire from getting between the separated neighbouring fire zones.

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HDE circular duct electric heaters are intended for installation in ventilation systems where it is necessary to raise the temperature of supply air or to maintain it at a constant level. HDE circular duct electric heaters are designed to be compatible with in-line duct fans. HDE circular duct electric heaters may be used to heat the air in shops, offices, houses, workshops, garages, warehouses or production halls, provided that the mentioned rooms meet the installation requirements specified in this user manual.

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HDW duct water heaters are used to heat the air in ventilation systems.
HDW duct water heater should be used in the conditions for which it was designed which are specified in the user manual.

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HDE-CO circular duct electric heaters are intended for installation in ventilation systems where it is necessary to raise the temperature of supply air or to maintain it at a constant level. HDE-CO circular duct electric heaters are designed to be compatible with in-line duct fans. HDE-CO circular duct electric heaters may be used to heat the air in shops, offices, houses, workshops, garages, warehouses or production halls, provided that the mentioned rooms meet the installation requirements specified in this user manual.

* Alnor reserves the right to errors and mistakes in the website content. The presented information is not to be considered the commercial offer as understood under Art. 66 and following of the Civil Code. Please contact your closest Sales Department to confirm the availability and current pricing.

General information on Assembly, Wiring diagram, Usage, Cleaning, maintenance and trasnport and Warranty terms and conditions. 

* Alnor reserves the right to errors and mistakes in the website content. The presented information is not to be considered commercial offer as understood under Art. 66 and following of the Civil Code. Please contact your closest Sales Department to confirm the availability and current pricing.

General information on Assembly, Wiring diagram, Usage, Cleaning, maintenance and transport and Warranty terms and conditions. 

* Alnor reserves the right to errors and mistakes in the website content. The presented information is not to be considered a commercial offer as understood under Art. 66 and following of the Civil Code. Please contact your closest Sales Department to confirm the availability and current pricing.

Electronic speed controllers DV-REG-L are used to change rotation speed by changing supply voltage of motor without overheat external connection. 

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General information on Assembly, Wiring diagram, Usage, Cleaning, maintenance and trasnport and Warranty terms and conditions. 

* Alnor reserves the right to errors and mistakes in the website content. The presented information is not to be considered commercial offer as understood under Art. 66 and following of the Civil Code. Please contact your closest Sales Department to confirm the availability and current pricing.

General information on Assembly, Wiring diagram, Usage, Cleaning, maintenance and trasnport and Warranty terms and conditions. 

* Alnor reserves the right to errors and mistakes in the website content. The presented information is not to be considered commercial offer as understood under Art. 66 and following of the Civil Code. Please contact your closest Sales Department to confirm the availability and current pricing.

General information on Assembly, Wiring diagram, Usage, Cleaning, maintenance and trasnport and Warranty terms and conditions. 

* Alnor reserves the right to errors and mistakes in the website content. The presented information is not to be considered commercial offer as understood under Art. 66 and following of the Civil Code. Please contact your closest Sales Department to confirm the availability and current pricing.

General information on Assembly, Wiring diagram, Usage, Cleaning, maintenance and trasnport and Warranty terms and conditions. 

* Alnor reserves the right to errors and mistakes in the website content. The presented information is not to be considered commercial offer as understood under Art. 66 and following of the Civil Code. Please contact your closest Sales Department to confirm the availability and current pricing.

General information on Assembly, Wiring diagram, Usage, Cleaning, maintenance and trasnport and Warranty terms and conditions. 

* Alnor reserves the right to errors and mistakes in the website content. The presented information is not to be considered commercial offer as understood under Art. 66 and following of the Civil Code. Please contact your closest Sales Department to confirm the availability and current pricing.