PS 124, cont’d

3. Remove and retain the six screws that attach the top cover of the PS 124 to the chassis (figure 5).

Lift the cover straight up.

Remove three screws on each side.

 

 

124

 

P/S

LY

 

SUPP

 

WER

 

4A

PO

 

12

VDC

 

 

OAD

-OV

ERL

RED

 

Figure 5 — Removing the top cover

4. Carefully lift the top cover up, taking care not to remove it completely.

CRough handling of the top cover can tear wiring that connects the front panel LED.

5. Use a standard screwdriver to loosen the screws holding the hot and neutral wires on the side of the terminal block nearest the IEC plate opening (figure 6).

 

Terminal Block

Hot Terminal

 

 

 

IEC Plate

 

 

 

 

 

 

 

 

Opening

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Neutral Terminal

Ground Wire Nut

Figure 6 — Terminal block and IEC connector wiring

6. Unscrew the ground wire nut on the bottom of the PS 124

enclosure and remove the ground wire.

6 PS 124 12 VDC, 4 Amp Power Supply • Installation Manual

Page 12
Image 12
Extron electronic PS 124 installation manual Removing the top cover, Unscrew the ground wire nut on the bottom of the PS