Idiomas disponibles
Idiomas disponibles
19. ROUTINE MAINTENANCE
To enable smooth and steady performance of the machine and then a longer period of time it is
advisable to carry out some simple routine maintenance. The frequency of interventions depends
on the place and the quality of the air that is treated by the machine.
Disconnect the power supply before accessing any inspection inside the machine.
Fans: Check every 500 hours ( approximately) of the cleaning operation of the fans and the presence
of foreign bodies.
Filters: The control system automatically signals the need for fi lterre placement.
Also recommend the periodic inspection and cleaning of the heat exchanger always with an air jet
to remove any impurities or deposited with the help of bactericidal products approved by health
authorities.
20. DEFROST PROTECTION
The unit is provided by an automatic defrost system. Below the activation procedure:
• When the fresh air temperature is < 3 °C the by-pass damper open and the supply fan turn off.
• When the fresh air temperature is > 5 °C the by-pass damper close and the supply fan turn on.
21. FREE-COOLING
The unit is provided by an automatic free-cooling system with motorized by-pass damper of the
heat exchanger. Below the activation procedure:
• When the room temperature is > 23°C and the fresh air temperature is less than 3°C (20°C) the
by-pass damper open.
• The by-pass damper anyway close when the fresh air temperature is < 15°C or when the room
temperature is < 20°C.
22. CONTROL SYSTEM
22.1. ABOUT THIS MANUAL
22.1.1. About the device
The VMN-02LM11 is a user control for a ventilation system.
The device communicates information via wireless communica-
tions with the central control device.
22.1.2. How to use this manual
Make sure you have read and understood the manual before you
install and/or use the device.
22.1.3. Original instructions
The original instructions for this manual have been written in
English. Other language versions of this manual are a transla-
tion of the original instructions.
22.1.4. Admonitions
NOTA: "Note" is used to highlight additional information.
44
4B-RF
E
A
C
B
D
A Pulsante Away
B Pulsante Home
C Pulsante Timer
D Pulsante Party
E LED di stato
