SEC America 700HS Series User Manual Download Page 5

IV  User Adjustments 

 

700HS Series units are gasket-sealed. Changes or adjustments to the operating modes of any unit 
are accomplished internally:  

 

1)  To gain access, remove the 4 corner screws retaining the front connector plate as shown in 

Figure #4. 

 

 

 

2)  Proceed to raise the front plate by pulling the edge, next to the mounting surface, upwards until 

the view in Figure #5 can be attained.  

 

 

With P/N ATC 30

Replace Fuses

ATC 30

1 2 3

jumper 2,3 - Unit ON

jumper 1,2 - ON by Remote Pin

Output Voltage 

Adjustment

jumper

P1

CON1

F1,2,3

 

Figure 5 

Accessible Adjustments: 
 

A) 

Output voltage

 is trimmed by adjusting the potentiometer P1.  

B) 

Remote “Turn On” Disabled:

  Units are shipped from factory with pins 2 and 3 of the 

connector [CON1] jumpered as shown. This programs the unit to be “ON” when source power 
is applied.  

C) 

Remote “Turn On” Enabled:

  To program the unit for remote enable, shift the jumper from 

pin positions 2 and 3 of [CON1] to positions 1 and 2. In this mode the unit will energize when 
pin H is connected to the negative input line pin F.  

Page 3 

Figure 4 

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