background image

Purpose of this manual 

The purpose of this manual is to provide the user with detailed information necessary to properly 
operate, maintain and inspect the fan. 

This manual contains the following information and is intended for persons experienced in the 
operation of fans, or for those who have been trained by such experienced persons. Only 
qualified personnel such as electrical engineers are allowed to carry out the electrical wiring 
work. 

Contents 

Limited warranties .................................................................................................................................. I
Purpose of this manual.......................................................................................................................... II
Contents ................................................................................................................................................ II

1.

Safety precautions

1.1

Types and meanings of warning terms................................................................................ 1-1

1.2

Safety precautions ............................................................................................................... 1-1

1.2.1

Precautions for installation ........................................................................................... 1-1

1.2.2

Precautions for operation ............................................................................................. 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

Specifications of the fan....................................................................................................... 2-2

3.

Installation

3.1

Before using the fan............................................................................................................. 3-1

3.2

Precautions for storage........................................................................................................ 3-1

3.3

Precautions for the location of installation........................................................................... 3-1

3.4

Installation............................................................................................................................ 3-2

3.5

Precautions for connecting the ducts .................................................................................. 3-2

3.6

Precautions for wiring work.................................................................................................. 3-3

4.

Preparation for operation

4.1

Points to be checked before test running ............................................................................ 4-1

4.1.1

Checking the electrical system..................................................................................... 4-1

4.1.2

Checking the fan system .............................................................................................. 4-1

5.

Operation

5.1

Precautions when starting the fan ....................................................................................... 5-1

5.2

Precautions during the operation......................................................................................... 5-1

5.3

Precautions when stopping the use..................................................................................... 5-1

6.

Maintenance and inspection

6.1

Daily inspection.................................................................................................................... 6-1

6.2

Periodic inspection............................................................................................................... 6-1

7.

Troubleshooting

7.1

Troubleshooting ................................................................................................................... 7-1

II 

Summary of Contents for ALF-UII

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 15: ......

Page 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...

Reviews: