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ZSE40 Vacuum Switch -ISE40A Pressure Switch - PF2A Flow Switch Setup.doc 

 

ZSE40A Vacuum Switch Setup

 

 

1.  Enter Function Selection Mode – Press and hold (> 2 sec.) the 

S

 key until the display 

shows 

F 0

 

a. If 

LoC 

is displayed, hold the

 S 

key for > 5, press the 

Down

 key once, then press 

S

 button once to enter the setting. 

2.  Reset the unit to default settings – From 

F 0

 press the 

Down

 key once to navigate to 

F99; 

Press the

 S 

key, then the 

Up

 arrow to toggle to

 on

; Hold the 

S

 key and the 

Down

 

arrow key for > 5 seconds. 

3. From 

F99

 press the 

UP

 key once to navigate to 

F 0 

and press the

 S 

key once to display 

Uni

.  Press the 

UP

 key once to set display to 

inH

4. Press the 

S

 key once to return to 

F 0.

 

5. From 

F 0

 press the 

UP

 key once to navigate to 

F 1 

and press the

 S 

key 3 times so the 

display reads 

P_1

.  Verify that the display reads 

-15.0 

(or the setting stated on the prints; 

-18.0 for the system vacuum switch).  Press the

 S 

key 1 more time so the display reads 

H_1

.  Using the 

UP and Down

 keys set display to 

3.0

6. Press the 

S

 key 2 times to return to 

F 1.

 

7. 

Setting F 2 (P_2) is not necessary for Aagard’s standard application.

 

8.  Now return to the main display by pressing the 

S

 key for > 2 seconds.  This should bring 

you to a screen with a low number on it for the current/live reading. 

 

System vacuum switch settings – 

P_1

 = -18.0 

Secondary vacuum switch settings – 

P_1

 = -15.0 

 

By setting these switches up in this manner the system vacuum switch will provide an output when 
we get to 

18.0

 InHg and it will not loose its signal unless we drop below 

15.0

 InHg.  The secondary 

vacuum switch set points will be 

15.0

 & 

12.0

 respectively. 

 

These switches are sent with a 

PSI

 label affixed to the upper right corner of the display (The ZSE 

model can sense both vacuum & pressure).  There are extra labels that are shipped with each 
switch.  

Be sure to remove the 

PSI 

label and replace it with the 

in/Hg 

when this 

procedure is completed.

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