Technical Data and Specifications 6-3
Revision 2 - 26 April, 2000 HP SERIES DIMMER TECHNICAL MANUAL
6.3 Triac / SCR replacement
Figure 6.3 HP12-TR showing access to triacs
*
Figure 6.3
1.
Remove the sixteen lid screws and the lid.
2.
Remove the front panel as in section 6.1 for access to the front triacs/SCRs.
3.
Remove the back panel and output wires for access to the rear triacs/SCRs.
4.
Undo the mounting screw and de-solder the faulty triac/SCR.
5.
Replace only with a similarly rated device.
Re-assembly involves carrying out the above operations in reverse order.
TRIACS
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