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4. 

Preparation for operation 

4.1 

Points to be checked before test running 

4.1.1 

Checking the electrical system 

(1)  Check that the fan is correctly wired. 

(2)  Check that the terminals are securely connected. 

(3)  Check that the equipment is securely grounded. 

(4)  For models with an output of over 200W, check that the settings of the overload protection 

device match the rated current value of the motor in use. The rated current value is indicated 
on the nameplate of the fan. 

(5)  Turn ON and OFF the power switch once or twice to check the rotation direction of the fan. 

If the fan rotates in the reverse direction on three-phase power, swap two of the three wires 
of the power cable. 

Warning

Be sure to turn off the main power before changing the wiring of the 

fan. 

4.1.2 

Checking the fan system 

(1)  Check that no water collects in the fan and that no foreign objects or materials such as tools 

have been left inside. 

(2)  Check that all the connections on the hang bolts, fan main unit, accessories and pipe joints 

are securely tightened. 

Warning

Always turn OFF the main power before rotating the fan by hand. 

(3)  Before connecting the duct, rotate the fan by hand to check that it can rotate smoothly 

without any internal faults or obstructions. 

(4)  Place an operator in advance so that the fan can be immediately turned OFF according to 

the instructions of the person in charge of the operation. 

Warning

Do not operate the fan if it is not running properly, for example if it is 
making a strange noise. Contact a specialist company or the service 
company designated by the manufacturer. 

4-1 

Содержание ALF-UII

Страница 1: ...intenance of the fan until you read this manual and understand the content Keep this manual carefully at hand so that it can be consulted anytime when operating inspecting or maintaining the fan For c...

Страница 2: ...and breakage the costs of the repairs shall be for the account of the user 1 Failures and breakage attributable to equipment that was not delivered by TERAL 2 Failures and breakage occurred after the...

Страница 3: ...tion 1 1 1 2 3 Precautions for maintenance and inspection 1 2 1 3 Location of the warning labels 1 2 2 Configuration and overview of the fan 2 1 Structure and part names of the fan 2 1 2 2 Specificati...

Страница 4: ...Do not install it anywhere with high humidity such as a bathroom 5 Do not install it in any places where toxic gases are produced from acids alkalis organic solvent paint or other substances or where...

Страница 5: ...nel If you carry out the maintenance or inspection work with the power on you may suffer an electric shock and or get injured by unexpected activation of the fan during the work 4 Consult Teral Inc or...

Страница 6: ...ture and part names of the fan No Part name c Silencer box d Fan casing e Impeller f Fan air intake g Motor h Motor lead wire i Ground terminal Ground wire j Lifting harness k Intake companion flange...

Страница 7: ...t under any conditions other than those provided in the specifications Failure to observe this may cause an electric shock fire and or product failure 1 Standard specifications Clean air Air 0qC to 40...

Страница 8: ...s not form during storage before installation In particular take measures to protect the motor section against the entry of rainwater and dust for example by covering them with a vinyl sheet 2 Store t...

Страница 9: ...t 2 Before connecting the ducts check inside the ducts and fan and remove any foreign matter such as waste cloth and tools Warning Be sure to install a protective wire mesh on any open air intakes of...

Страница 10: ...round wires for telephone Warning It is prohibited by law to perform incomplete grounding work which exposes personnel to a great danger 4 The wire connection of the ALFII U 20M differs between 50 Hz...

Страница 11: ...ure to turn off the main power before changing the wiring of the fan 4 1 2 Checking the fan system 1 Check that no water collects in the fan and that no foreign objects or materials such as tools have...

Страница 12: ...f flowing air is lower than the room temperature 5 2 Precautions during the operation Warning In the event of a power failure be sure to turn off the main power Otherwise when the power is restored th...

Страница 13: ...ssibly made by contact with the rotor stop the operation immediately 6 2 Periodic inspection Warning Before carrying out the inspection of the fan be sure to turn off the main power Otherwise the fan...

Страница 14: ...ns Poor piping 9 9 9 Inspect and repair the duct piping Excessive duct resistance 9 9 9 Review the duct piping Insufficient duct resistance 9 Review the duct piping Insufficient number of revolutions...

Страница 15: ......

Страница 16: ...Head Office 230 Moriwake Miyuki cho Fukuyama city Hiroshima 720 0003 Japan Tel 81 84 955 1111 Fax 81 84 955 5777 www teral net 2017 06 TF 049 02...

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