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CONNECTION TO POWER MAINS

POWER OFF THE POWER SUPPLY PRIOR TO ANY OPERATIONS WITH THE UNIT.

THE UNIT MUST BE CONNECTED TO POWER SUPPLY BY A QUALIFIED ELECTRICIAN.

THE RATED ELECTRICAL PARAMETERS OF THE UNIT ARE GIVEN ON THE 

MANUFACTURER’S LABEL.

CONTROL

ANY TAMPERING WITH THE INTERNAL CONNECTIONS IS PROHIBITED  

AND WILL VOID THE WARRANTY.

The unit is rated for connection to single-phase AC 220-230 V/50 Hz power mains. 
The unit must be connected to power mains using durable, insulated and heat-resistant conductors (cables and wires) with minimum 
cross section not less than 0.5 mm

2

The given wire cross sections are for reference only. 
The cross section selection must account for the maximum permissible wire heating which depends on the wire type, its insulation, 
length and installation method (i.e. overhead, in pipes or inside walls). 
The unit connections shall be made on the terminal block mounted inside the terminal box in strict accordance with the wiring diagram 
and terminal designations.
The external lead-in must be equipped with a circuit breaker with a thermal-magnetic trip built into the stationary wiring to disconnect 
all the mains phases. 
The QF external circuit breaker location must ensure free access for quick shutdown of the unit.
The circuit breaker tripping is selected based on the electrical characteristics of the unit, listed in the "Technical data" section.
The unit is equipped with asynchronous motors with an external rotor, with integrated thermal protection with automatic restart.

L

N

X1

1

2

3

N

L

QF

PE

~230 V

50 Hz

4

РЕ

РЕ

РЕ

РЕ

WIRING DIAGRAM

Smooth or step fan speed control is performed by means of a thyristor or transformer speed controller. 
Reducing the fan speed enables reducing air flow and heating or cooling heat exchange. 
The air heating (cooling) unit is operated via the UWT-1E control unit (special accessory).  
The control unit has three operation modes and three fan speed stages for the AOW unit. 
The control unit is equipped with an on/off switch with a control lamp, cable glands for cable connections and a thermal fuse for short 
circuit protection. The control unit is designed for joint operation with the TST-1-300 digital thermostats with a sensor display (TSTD-1-300 
is available with a remote control) or RTS-1-400 with an LCD display (RTSD-1-400 is available with a remote control). The thermostats are 
available as special accessories. The thermostat must be installed in a premise that is heated or cooled by the AOW unit. The thermostat 
is used for air temperature monitoring and operation mode control.  
The thermostat installation place must not be subjected to temperature fluctuations induced by open windows, door and heating 
devices. Several air heating (cooling) units installed in the same premise may share one thermostat.

Summary of Contents for AOW 25

Page 1: ...AOW AIR HEATING COOLING UNIT USER S MANUAL...

Page 2: ...the AOW unit and all its modifications Technical and maintenance staff must have theoretical and practical training in the field of ventilation systems and should be able to work in accordance with wo...

Page 3: ...life of the unit While transferring the unit control the user s manual must be turned over to the receiving operator UNIT INSTALLATION AND OPERATION SAFETY PRECAUTIONS Disconnect the unit from power...

Page 4: ...it from power mains prior to any technical maintenance Do not store any explosive or highly flammable substances in close proximity to the unit When the unit generates unusual sounds odour or emits sm...

Page 5: ...a powerful fan enable quick air heating cooling in large premises or local heating cooling of a working space in hangars or industrial facilities Designed for heating cooling of large premises manufa...

Page 6: ...1 51 7 5 30 4 21 2 1 30 6 0 26 0 16 0 1 19 4 6 22 0 11 0 1 01 3 4 10 32 0 29 0 1 40 6 6 28 3 24 3 1 22 5 3 24 0 19 2 1 12 4 0 20 0 14 0 0 90 2 8 5 30 0 32 0 1 30 5 8 26 2 27 4 1 19 4 6 22 0 22 0 1 01...

Page 7: ...3850 35 18 0 24 9 3 1 31 8 30 10 8 21 7 1 9 12 9 25 7 3 19 0 1 3 6 3 20 3 2 17 4 0 5 1 4 Note The AOW1 and AOW1z unit models are not designed for cooling as they are not equipped with elements necessa...

Page 8: ...rising toward upper part of the room thus keeping warm air within the heated area The unit operation is based on heat cool conduction from the hot or cold water to surface of the copper tubes filled w...

Page 9: ...or tight connections Layout of the heat medium piping must ensure quick detachment for easy servicing and repair operations Install a mud filter at the heat medium inlet to the heat exchanger Mounting...

Page 10: ...ng or wall mounting of the unit The MKU AOW bracket design enables wall or ceiling installation of the unit at the angle of 30 and 45 RIGHT ANGLE MOUNTINGWITH MKU AOW 30 MOUNTINGWITH MKU AOW 45 MOUNTI...

Page 11: ...aker tripping is selected based on the electrical characteristics of the unit listed in the Technical data section The unit is equipped with asynchronous motors with an external rotor with integrated...

Page 12: ...es not start No power supply Make sure the power supply line is connected correctly otherwise troubleshoot a connection error The motor is jammed the impeller blades are soiled Turn the unit off Troub...

Page 13: ...chinery for handling and storage operations to prevent possible damage to the unit Follow the handling requirements applicable for the particular type of cargo The unit can be carried in the original...

Page 14: ...eller for warranty service The manufacturer s warranty does not apply to the following cases User s failure to submit the unit with the entire delivery package as stated in the user s manual including...

Page 15: ...rtify acceptance of the complete unit delivery with the user s manual The warranty terms are acknowledged and accepted Customer s Signature INSTALLATION CERTIFICATE The AOW _______ unit is installed p...

Page 16: ...V52EN 05...

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