Salda VEGA Series, Руководство пользователя

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12 | EN VEGA v2019.06
17.2. SYSTEM PROTECTION
Do not use this unit for purposes other than those provided in its design.
Do not dismantle and modify the unit. Such actions can cause mechanical fault or even injury.
Use special working clothes when installing and maintaining the unit. Be careful – angles and edges of the unit and its components can be sharp
and cause injuries.
Being near the unit, do not wear free streaming clothes that could be sucked into the operating fan.
All products packed in the factory are not prepared for eventual operation. The units can be used only by connecting them to air ducts or by install-
ing protection grating in air intake and discharge openings.
Do not put fingers or any other objects into protection grating of air intake and discharge or into connected air duct. In case any foreign body get
into the unit, disconnect the power supply source immediately. Before removal of foreign body, make sure that any mechanical movement in the
unit has stopped. In addition, make sure that the accidental switching-on of the unit is impossible.
Avoid direct contact with the flow of supplied and extracted air.
Do not connect the unit to the mains other than indicated in the manufacturer’s label on the casing of the unit.
Never use a damaged power supply cable.
Never touch with wet hands the power supply cables connected to the mains.
Never dip extension cords and plugs in water.
Do not install and use the unit on uneven surfaces or other unstable planes.
Never use this unit in the environment conducive to explosion and containing any aggressive materials.
17.3. RECOMMENDATIONS BEFORE THE START OF THE UNIT (BEFORE THE FINAL USER)
Prior to start-up the system must be thoroughly cleaned. Check whether:
• operation systems and unit elements as well as automation and automation devices were not damaged during installation,
• all electrical devices are connected to power supply and fit for service,
• all necessary automation elements are installed and connected to power supply and terminal blocks,
• cable connection to terminal blocks comply with the existing power connection diagrams,
• all electrical equipment protection elements are properly connected (if they are additionally used),
• cables and wires correspond to all applicable safety and functional requirements, diameters, etc.,
• earthing and protection systems are properly installed,
• condition of all seals and sealing surfaces are proper.
17.4. POSSIBLE FAULTS AND TROUBLESHOOTING
FAILURE CAUSE EXPLANATION / CORRECTIVE ACTIONS
Unit is not operating
No supply voltage
Check whether the device is connected to the
power network
Protection device is off or a current
leakage relay is active (if installed by the
installer)
Switch on only if the unit condition has been
evaluated by a qualified electrician. If the sys -
tem failed, the failure MUST BE rectified prior
to switching it on.
Air supply heater or pre-heater is not operat-
ing or malfunctioning (if installed)
Too low air flow in air ducts activates auto -
matic
protection
Check if air filters are not clogged
Check if fans are rotating
Manual protection is activated
Possible heater or unit failure. MUST contact
the servicing staff for failure detection and its
elimination.
Too low air flow at rated fan speed Clogged supply and/or extract air filter(s) Filter replacement needed
Filters are clogged and no message is shown
on the remote control
Wrong time in filter timers or their switch is
broken, or its pressure is set improperly.
Shorten filter timer time till the message of
clogged filters or replace the pressure switch
of the filters, or set their proper pressure.
18. MAINTENANCE
• The maintenance works for ventilation unit shall be performed 3–4 times a year.
• Before start of maintenance works ENSURE THAT the unit is disconnected from the voltage and wait until the fan rotation stops and the
heating elements cool down.
CAUTION: Operation of the unit is designed so that the supply voltage is supplied to the fan for about 30 seconds after switching off the unit with
the remote controller, in order to cool down the heating elements.
• The maintenance works shall be performed by following the above safety rules.
Opening of the cover:
1. The cover is closed with the clips that are fastened with the pins to avoid spontaneous opening (b);
2. The cover has holders (a);
3. The cover has to be opened by retaining a certain order (c);
4. Firstly remove the pin (d);
5. Unfasten the clip (e);
6. Press the upper part of the clip and the hook to the casing (f) and fasten with the same pin as shown in pictures (g, h);
7. Open the cover and keep it hanging on the holders;
8. Retain the reverse order when closing the cover.