Miller CP-252TS Manuel du propriétaire - Page 17

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2-8. Slope Selection (250 Ampere Model)

4
7
6
5
SLOPE TURNS
0
0
8
6 4
8
6 4
10
10
TAP SLOPE CONNECTIONS
1/2 in
3/8 in
2
1
IMPORTANT:
Be sure connections are clean
0
before reconnecting tap.
8
6 4
IMPORTANT:
10
Move friction lug on PC1 to
correct tab to insure proper
operation of voltmeter preset.
1
Slope Connection Label
2
Tapped Reactor AC-Z And
Slope Coils
Tapped reactor AC-Z is factory con-
nected to slope tap 8 which is suit-
able for most GMAW applications.
AC-Z controls the inductance
applied to the weld current. To
increase inductance and wet out
the weld puddle, connect to a higher
tap number. To stiffen the weld
puddle, connect to a lower tap num-
ber.
3
Leads 70, 71 and 72 With
Pressure Connectors
Slide pressure connectors onto the
same tap of each coil, and secure
them.
Y An unbalanced secondary
current can damage the main
transformer and cause errat-
ic weld conditions. Be sure
leads 70, 71 and 72 are con-
nected
numbered slope turn tap on
each
coil.
connection label .
4
Firing Board PC1
5
Receptacle RC2
3
6
Lead 36
7
Receptacles RC3 Through
RC6
Connect lead 36 from RC2 to
correct receptacle RC4, RC5, RC6
or RC7 to match tap slope connec-
tions made in Section A as follows:
RC3 – 300A (Used With 300A Mod-
els Only)
RC4 for 4 turns
RC5 for 6 turns
RC6 for 8 turns
RC7 for 10 turns.
Reinstall right side panel.
S-177 763-B
to
the
same
See
slope
Ref. ST-801 518-A
OM-259 Page 13