Protection Devices; Section 3; Unpacking And Setup; Startup Procedure - USAG 998 140A Manual Del Usuario

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value by 1.6.
 IP23
Grade of protection of metal frame.
 S
Suitable for working in high-risk areas.
 NOTE:
The power supply has been designed to operate in areas with grade 3 pollution (IEC 664).

2.4 PROTECTION DEVICES

2.4.1 Overheating and main supply anomalies protection
The power supply is protected by a device installed in such a way as to act in case of overheating and/or main supply
anomalies.
When this device intervenes, the unit stops supplying current but the cooling fan keeps working. The acting of the device is
shown by the LED turning on. The turning off of the LED signals the resumed ability of the unit to be in operating
conditions.
SECTION 3 --- INSTALLATION PROCEDURE

3.1 UNPACKING AND SETUP

Unpack the unit and carefully inspect it for shipping damages. Any claims for damages which may have occurred in transit
must be filed by the purchaser with the carrier and in order not to loose any right to file such a claim no clean receipt should
be signed but a mention should be made to reserve the right to file a claim for transit damages that can be discovered only
after unpacking. All communications regarding this equipment must indicate the model and serial number located on the
back of the power supply. After unpacking place the unit in a properly ventilated, possibly undusted area, making sure that
the air flow near the cooling slots in not obstructed.
WARNING: it is extremely important not to restrict the air flow around the unit since this may cause the unit to over heat
and could possibly damage internal parts. Keep at least 200 mm of unrestricted space on all sides of the unit. Do not Place
any filter device or cover over the air intake slots of the power supply as this will void the warranty.
NOTE: if the unit is carried over shoulder make sure that the air intake slots on the frame are not obstructed.

3.2 STARTUP PROCEDURE

This unit must be installed by skilled personnel. All connections must conform to the existing rules and in full compliance
with safety regulations (CENELEC HD 427).

3.3 GENERAL NOTES

Before using this power supply, carefully read the CENELEC standards HD 407 and HD 433, check insulation of cables,
electrode holder clamp, sockets and plugs and make sure that the length and section of welding cables are compatible with
current used:
2
Up to 5 mt. cable section 16 mm min.
2
From 5 mt. to 20 mt. cable section 25 mm min.
2
From 20 mt. to 30 mt. cable section 35 mm min.
16