2 PRecAutions
WARninG
Make sure that the mains supply to the unit is disconnected before performing any installation, service, maintenance or
electrical work!
WARninG
The installation and service of the unit and complete ventilation system must be performed by an authorized installer and in
accordance with local rules and regulations.
transport and storage
• Do not leave the device exposed to atmospheric agents (rain, sun, snow, etc.).
• Duct connections/duct ends must be covered during storage and installation.
installation
• After removing the product from its packaging, verify its conditions. Do not leave packaging within the reach of children or
people with disabilities.
• Beware of sharp edges. Use protective gloves.
• The device should not be used as an activator for water heaters, stoves, etc., nor should it discharge into hot air/fume vent
ducts deriving from any type of combustion unit or tumble dryer. It must expel air outside via its own special duct.
• If the environment in which the product is installed also houses a fuel-operating device (water heater, methane stove etc., that
is not a “sealed chamber” type), it is essential to ensure adequate air intake, to ensure good combustion and proper equipment
operation.
• The electrical system to which the device is connected must comply with local regulations.
• Before connecting the product to the power supply or the power outlet, ensure that:
- the data plate (voltage and frequency) correspond to those of the electrical mains
- the electrical power supply/socket is adequate for maximum device power.
• For installation an omnipolar switch should be incorporated in the fixed wiring, in accordance with the wiring rules, to provide
a full disconnection under overvoltage category III conditions (contact opening distance equal to or greater than 3mm).
use
• The device should not be used for applications other than those specified in this manual.
• This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental
capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the
appliance in a safe way and understand the hazards involved. Children shall not play with the appliance.
Cleaning and user maintenance shall not be made by children without supervision.
• Do not touch the appliance with wet or damp hands/feet.
• The device is designed to extract clean air only, i.e. without grease, soot, chemical or corrosive agents, or flammable or
explosive mixtures.
• Do not use the product in the presence of inflammable vapours, such as alcohol, insecticides, gasoline, etc.
•
the system should operate continuously, and only be stopped for maintenance/service.
• Do not obstruct ducts or grilles to ensure optimum air passage.
• Do not immerse the device or its parts in water or other liquids.
• Operating temperature: 0°C up to +40°C.
service
• Although the mains supply to the unit has been disconnected there is still risk for injury due to rotating parts that have not come
to a complete standstill.
• Beware of sharp edges. Use protective gloves.
• Use original spare parts only for repairs.
3 PRoduct infoRMAtion
3.1 General
This is the Installation, Use and Maintenance Manual of the heat recovery ventilation units, models QR280A, QR400A and
QR550A.
This manual consists of basic information and recommendations concerning installation, commissioning, use and service
operations to ensure a proper fail-free operation of the unit.
The key to proper, safe and smooth operation of the unit is to read this manual thoroughly, use the unit according to given
guidelines and follow all safety requirements.
The units QR280A, QR400A and QR550A are supplied with the CTRL-DSP remote multifunction control panel as standard.
WARninG
If any abnormality in operation is detected, disconnect the device from the mains supply and contact a qualified technician
immediately.
Summary of Contents for QR280A
Page 1: ...QR280A QR400A QR550A aL ...
