Emerson MPR15 Series HVSD adjustment, Embedded shelf quick disconnect for sense sectional view

Models: MPR15 Series MPR25

1 120
Download 120 pages 55.76 Kb
Page 62
Image 62
62 Installation and start-up procedures

62 Installation and start-up procedures

Figure 24 - Embedded shelf quick disconnect for sense (sectional view)

HVSD adjustment

Procedure 12 - HVSD adjustment

Step

Action

 

 

1

Turn the HVSD potentiometer fully clockwise.

 

 

2

Monitoring the test points (V+, V-), adjust the float potentiometer FLT to

 

the desired HVSD level.

3

Turn the HVSD potentiometer slowly counterclockwise until the rectifier

 

shuts down. The test point voltage shall start decaying to 0 volt.

4

Turn the float potentiometer counterclockwise, two full revolutions.

 

 

5

Cycle the AC breaker OFF/ON. The unit shall power up with the return of

 

the float voltage on the test points.

6

To verify turn the float potentiometer slowly clockwise until the unit

 

shuts down. Read the float voltage to verify the disable point. Turn float

 

potentiometer counterclockwise, two full revolutions. Cycle the AC

 

breaker OFF/ON.

7

Re-adjust if needed (return to step 1).

 

 

–end–

UM5C06B / C ( 169-2071-500 ) P0711722 Standard 10.00 May 2001

Page 62
Image 62
Emerson MPR15 Series HVSD adjustment, Embedded shelf quick disconnect for sense sectional view, the desired HVSD level