OTC HR 22, User Manual

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Description
8
HR-22-23 (EN)
4 Description
The device, particularly suited for cooling by means of water circulation utilized in particularly heavy welding
operations, is composed in its essential parts of:
• A single-phase electric pump.
• A plastic tank.
• A radiator.
• A pressure switch.
• A protection fuse.
Compact, lightweight, it must be used only together with or as an integral part of the welder.
5 Technical Data
Table1
Model
HR22 HR23
Single-phase input V
1~230 ±20% 3~400 ±20%
Frequency Hz
50/60 50/60
Max power supply kW
0,3 0,3
Max current absorbed A
1,35 0,9
Delayed fuse A
2 1,6
Coolant
• 20%-30% antifreeze
• 70%-80% distilled water
Cooling power Φ 1
@ 1 l/min kW 0,5 0,5
@ 1,6 l/min (with TIG torch) kW
0,65 0,65
Capacity with 4 m TIG torch l/min
1,6 1,6
Max pressure bar 4,3 4,3
Protection class
IP 23 IP 23
Insulation class F F
Tank capacity
2,5 2,5
Dimensions LxBxH
515-225-185 545-225-185
Weight kg
9,5 10
Weight with liquid kg
12 12,5