Miller Electric CST 250 - Manuel (Page 26)

OM-212 817 Page 22
4-5. Amperage Control
1 AMP ADJUST (Amperage
Control)
Rotate knob clockwise to increase
amperage (5-250 amps).
1
4-6. Remote 14 Receptacle Information
This unit automatically senses when a remote control is connected to the remote 14 receptacle. After connecting a
remote control, the unit will automatically adjust output control to a primary/secondary configuration. In this
configuration, the AMP ADJUST control on the unit becomes the primary and sets the maximum amperage output of
the unit. The remote control becomes the secondary and provides an amperage range adjustment of 0 to 100% based
on the AMP ADJUST control setting.
A J
B
K I
Socket* Socket Information
B
K I
C L N H
D M G 15 VOLTS DC
A 15 volts dc (not functional).
D M G
E F
15 VOLTS DC
B Contact closure to A completes 15 volts dc
contactor control circuit (not functional).
C Output to remote control; 0 to +10 volts dc.
REMOTE
OUTPUT
CONTROL
D Remote control circuit common.
CONTROL
E 0 to +10 volts dc input command signal from
remote control.
803 080
GND
K Chassis common.
*The remaining sockets are not used.
4-7. Fan-On-Demand
This unit is equipped with Fan-On-Demand. The fan operates only when necessary to cool internal components. At
power down, the fan will operate for a short period of time while the output indicator light is flashing.
4-8. Rack Mounting
This unit is capable of being rack mounted [see rack Owner’s Manual, OM-2238 (208 107)].