Tweco 161 S Inverter Arc Welder - Manual (Page 33)

OPERATION THERMAL ARC 161 s
Manual 0-5073� �-� �-� ����a���n ����a���n
F�gu�� �-�: Th��mal A�c �6� S C�n���ls
SECTION 4:
OPERATION
C�nv�n���nal ����a��ng ���c�du��s a��ly wh�n us�ng �h�
W�ld�ng P�w�� S�u�c�, �.�. c�nn�c� w��k l�ad d���c�ly ��
w��k ���c� and �l�c���d� l�ad �s us�d �� h�ld �h� �l�c���d�.
Th� w�ld�ng cu���n� �ang� valu�s sh�uld b� us�d as a
gu�d� �nly. Cu���n� d�l�v���d �� �h� a�c �s d���nd�n� �n
�h� w�ld�ng a�c v�l�ag�, and as w�ld�ng a�c v�l�ag� va���s
b��w��n d�ff���n� class�s �f �l�c���d�, w�ld�ng cu���n� a�
any �n� s����ng w�uld va�y acc��d�ng �� �h� �y�� �f �l�c-
���d� �n us�. Th� ����a��� sh�uld us� �h� w�ld�ng cu���n�
�ang� valu�s as a gu�d� �h�n fin� �un� �h� w�ld�ng cu���n�
�� su�� �h� s��c�fic a��l�ca���n. R�f�� �� �h� �l�c���d�
manufac�u��'s l����a�u�� f�� fu��h�� �nf��ma���n.
4.01 Front Panel
Front Panel
Th� w�ld�ng ��w�� s�u�c� �s �����c��d by a s�lf ��-s����ng
�h��m�s�a�. Th� �nd�ca��� w�ll �llum�na�� �f �h� du�y cycl�
�f �h� ��w�� s�u�c� has b��n �xc��d�d. If �h� �v�� H�a�
l�gh� �llum�na��s wa�� f�� �h� �v�� H�a� l�gh� �� �x��ngu�sh
b�f��� ��sum�ng w�ld�ng.
(A) Process Selection Switch
Sw��ch�s b��w��n LIFT TIG and STICK W�ld�ng m�d�s.
(B) Power On Indicator
Th� P�w�� �N Ind�ca��� �llum�na��s wh�n �h� �N/�FF
sw��ch �s �n �h� �N ��s����n and �h� n�m�nal ma�ns v�l�-
ag� �s ���s�n�.
(C) Fault Indicator
Th� w�ld�ng ��w�� s�u�c� �s �����c��d by a s�lf ��s����ng
�h��m�s�a� and �v�� ���ma�y cu���n� �����c���n d�v�c�s.
W�ld�ng can n�� �ak� �lac� �f �h� Faul� Ind�ca��� l�gh�s u�
�� l�gh�s u� c�n��nu�usly.
Th��m�s�a� P����c���n
If �h� Faul� Ind�ca��� l�gh�s u� �h�n �h� du�y cycl� �f �h�
��w�� s�u�c� has b��n �xc��d�d, L�av� �h� ��w�� �n
and wa�� f�� �h� Wa�n�ng Ind�ca��� �� �x��ngu�sh b�f���
��sum�ng w�ld�ng.
�v�� P��ma�y Cu���n� P����c���n
If �h� Faul� Ind�ca��� l�gh�s u� c�n��nu�usly �h�n �h�
���ma�y cu���n� �n�� �h� ma�n ��ansf��m�� has b��n �x-
c��d�d. Hav� an Acc��d���d Th��mal A�c S��v�c� P��v�d��
�ns��c� �h�n ���a�� �h� w�ld��.
(D) Welding Current Control
Th� w�ld�ng cu���n� �s �nc��as�d by �u�n�ng �h� W�ld
Cu���n� c�n���l kn�b cl�ckw�s� �� d�c��as�d by �u�n�ng
�h� W�ld Cu���n� c�n���l kn�b c�un���cl�ckw�s�. Th�
w�ld�ng cu���n� sh�uld b� s�� acc��d�ng �� �h� s��c�fic
a��l�ca���n. R�f�� �� �h� �l�c���d� manufac�u��'s l����a�u��
f�� fu��h�� �nf��ma���n.
(E) ON/OFF Switch (located on rear panel - not
shown)
Th�s sw��ch c�n���ls �h� Ma�ns Su��ly V�l�ag� �� �h�
P�w�� S�u�c�.
Art# A-09884
(B) Power On
Indicator
(C) Fault
Indicator
(A) Process
Selection
Switch
(D) Welding
Current
ǂ
Control