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1. SAFETY INFORMATION 

This section explains the safety precautions regarding operation of the Cooling unit 6H/IF. 
The following safety alert symbols and signal words are used throughout the manual to ensure proper 
operation of the equipment and to prevent from various hazards that cause serious injury and damages. 
Indication and explanation for the symbols are as follows: 

Symbols 

Explanation 

  WARNING 

WARNING  gives  information  regarding  possible  personal  injury  or  loss  of 
life. 

  CAUTION 

CAUTION refers to minor personal injury or possible equipment damage. 

1.1  OPERATING PRECAUTIONS 

To prevent serious injury or accidents, ensure to follow the instructions below: 

  WARNING 

 

Be sure to read and understand the information in the manual before operating the 
equipment. 

 

Safety and warning labels on the equipment indicate any possible risks. Keep these 
labels clean and legible at all times. 

 

Observe the accident prevention regulations and any regional regulations. 

 

Only authorized personnel or person with full understanding and experience of the  
equipment must perform installation, maintenance and repair of the equipment. 

 

Use only well-maintained equipment. Repair or replace damaged parts at once. 

 

Original spare parts have been specially designed for our equipment. The use of non-
original spare parts may cause variations in performance or reduce the foreseen level of 
safety. We decline all responsibility for the use of non-original spare parts. 

 

  CAUTION 

 

The owner’s manual must be kept at the location where the equipment is operated. 

 

The equipment is designed for IP 23S degree of protection, which is intended indoor use. 

 

If air-cooled welding torches are used, the cooling units needs to be turned off. 

 

Do not use the cooling unit for purpose other than cooling welding torches. 

 

This system is cooled by means of the forced circulation of air, and must therefore be 
placed in such a way that the air may be easily sucked in and expelled through the 
apertures made in the frame. 

 

Do not use the cooling unit when the case and the cover are removed.

 

 

Summary of Contents for OTC 6H/IF

Page 1: ...OWNER S MANUAL COOLING UNIT MODEL 6H IF Ensure to read this instruction manual thoroughly for safe and proper use of the product MANUAL No 632214 1 2023 11 EN...

Page 2: ...R HANDLING OF PLASTIC PARTS 5 1 6 PRECAUTION FOR COOLANTS 5 PRODUCT SPECIFICATION 6 2 1 TECHNICAL SPECIFICATIONS 6 2 2 EXTERNAL DIMENSIONS 6 2 3 RATED DUTY CYCLE 7 INSTALLATION 7 3 1 PRECAUTIONS BEFOR...

Page 3: ...gulations and any regional regulations Only authorized personnel or person with full understanding and experience of the equipment must perform installation maintenance and repair of the equipment Use...

Page 4: ...ed welding power source before installing maintaining or repairing this equipment Make sure that there is no charged voltage before starting the work Properly install this equipment according to its O...

Page 5: ...icals cutting oil and composition oil adhere or atmosphere containing the above Doing so may cause crack breaking and deterioration in the plastic part 1 6 PRECAUTION FOR COOLANTS To prevent malfuncti...

Page 6: ...current Max 0 95A 50Hz 1 1A 60Hz Cooling power 1l min 1 2 kW P MAX 0 45 Mpa 50Hz 0 55 Mpa 60Hz Type of connection water Quick connectors NW5 Number of connections water 1 pair rear Tank volume Require...

Page 7: ...n the electrical wiring and the mounting of the Cooling unit 3 1 PRECAUTIONS BEFORE AND THE ENVIRONMENT OF THE INSTALLATION WARNING ELECTRIC SHOCK can kill Be sure to disconnect the line disconnect sw...

Page 8: ...cm 3 Connect the flow sensor connector 6 pole to the right connector in the welding source 4 Connect the power connector 9 pole to the left connector in the welding source 5 Push the cooler all the wa...

Page 9: ...istrict 2 Using the Pipetting Bulb 606499 squeeze the bulb fully and hold in this condition 3 While the pipette bulb is squeezed connect the connector on the end of the hose with the blue connector on...

Page 10: ...tremely hot immediately after welding is performed Wait until the parts cool down when touching Failure to observe the demand may result in burn To maintain the proper functioning of the equipment ens...

Page 11: ...EXCHANGER 258477 1 3 631756 CONNECTOR RED NW 5 G 1 4 003204 R 1 4 631757 CONNECTOR BLUE NW 5 G 1 4 003204 B 1 5 631758 FITTING KQ2E10 G02A KQ2E10 G02A 2 6 631760 FITTING KQ2H10 00A KQ2H10 00A 2 7 6318...

Page 12: ...12 5 3 8 1 12 10 9 4 11 6 2 3 16 6 13 7 15 6 17 6 14 6...

Page 13: ...13 WIRING DIAGRAM PM1 Pump motor FM1 2 Fan S1 Flow sensor CN1 2 Connector internal CON1 2 Connector to power source COOLANT CIRCUIT DIAGRAM 5 cm 25 cm 42 cm 33 cm 42 cm...

Page 14: ...ORIENTO Plaza 388 North Fuquan Road Changning District Shanghai China 200335 Phone 86 21 5882 8633 Fax 86 21 5882 8846 OTC Taiwan Co Ltd 2F No 153 Huanbei Rd Chung Li City Taoyuan Hsien Taiwan Phone...

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