Thermal Dynamics SIGNATURE PAK 1250XRTM, Руководство пользователя

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15
3.1 OPERATING CONTROLS
OPERATION
Control Indicator Function
Move up to ON position to activate the control circuits. All
control circuits are deactivated in OFF position.
Move up to RUN position for torch operation. Move
down to SET position for purging gas lines and setting gas
pressures with external regulator.
Red light indicates AC power is being supplied to the
system when the ON/OFF switch is in ON position.
Red light indicates operating temperature is okay. Light
goes out when an internal thermal overload switch opens,
indicating power supply is overheated. Allow to cool.
In SET position red light indicates gas pressure switch is
satisfied. Light goes out in RUN mode and comes on only
when gas is flowing to the torch.
Red light indicates main contactor closure supplying
current to the main bridge rectifier, and that cutting
current is available. Torch switch must be closed.
Red light indicates high frequency is being supplied to
initiate pilot arc. Light goes out when cutting arc is estab-
lished and comes back on if cutting arc is interrupted, as
when cutting expanded metal.
Selects current range (see Cutting Speeds, page 24-25 for
applications on various materials and thicknesses).
1. ON/OFF Switch (SW1)
Figure 3-A PAK 1250 XR Operating Controls
2. RUN/SET Switch (SW2)
3. AC Power Indicator
4. Temperature Indicator
5. Gas Indicator
6. DC Power Indicator
7. High Frequency Indicator
8. Range Control Switch
(SW3)
A-01461
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2
3 4
5 6 7
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SECTION 3: OPERATION