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Smarty 2X/3X V
www.salda.lt
Unit controller miniMCB has integrated protection against short-circuit.
F1 - 1A (5x20) controller power supply 230VAC/24VDC protection.
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 consumers are connected to power supply and fit for service,
• all necessary automation elements are installed and connected to power supply and miniMCB basic, EX1 terminal blocks,
• cable connection to miniMCB basic, EX1 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 is proper.
Failure
Cause
Explanation / corrective actions
Unit is not operating
No supply voltages
Check whether the device is connected to the
plug socket
Two-pole protection device is off or a current
leakage relay is active (if installed by the in-
staller)
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 heater is not operating or
malfunctioning (if installed)
Too low air flow in air ducts activates automatic
protection
Check if air filters are not clogged
Check if fans are rotating
Manual protection is activated
Possible heater or unit failure. MUST address
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
Shorten filter timer time till the message of
clogged filters
The controller is used with NTC sensors.
Default sensor NTC
10 kΩ β (25/85) 3977
Limits for temperature measurement -30 ...105 °C.
Accuracy - ± 0,2 %
Safety class – IP-54
To ensure safe maintenance of the unit, it is necessary to
remove the plug from the power network.
