Sterling 90-225 CFM Benutzerhandbuch

 

 

Cabinet Series Dehumidifying Dryer 

 

41 

The dehumidifying dryers use heater elements located below each desiccant bed. 
 

WARNING! 
Disconnect and lock out power before you replace heater elements! 

1.  Remove the cover plate secured by bolts. 

2.  Sketch the heater wiring configuration so you can properly re-assemble the heaters. 

3.  Remove the wiring for the heater being removed or replaced. 

4.  Remove the bolts securing each heater mounting plate.  Slide out the heater. 

5.  Re-install the new heaters in reverse order.  Install new heater gaskets and securely 

tighten all fasteners. 

6.  Re-install the wiring based on the sketch you made earlier. 

7.  Secure the heater access cover. 

1.  To access protect mode, press and hold the AT button and the Display button for more than one 

and a half to two (1.5 to 2) seconds. 

2.  The display should read 

SECr

 for security mode. If you press the Display button for short 

presses you will toggle between (

SECr

) and (

KEYP

) for AT protect. 

3.  With the display reading 

SECr

, set the security levels by the arrow up and down keys. Change 

the security level to 1 to make changes to the operating parameters. The temperature controller is 
factory set to Security Level 5, the dew point indicator is factory set to Security Level 3. 

Calibration  X       
Option 

X 

X      

Expansion  X 

X      

Setup 

X 

X      

Level 2 

X 

X 

X 

 

 

 

 

Level 

1 

X X X X       

Level 

0 

X X X X X X   

Any mode marked with an X is displayed in the Security 
Level indicated. To return to the main display (run mode), 
press and hold the AT and display key for 1.5 to 2 seconds. 

 

1.  Remove controller from housing and check for output board number E53-QR4R (Pulse 

NPN/Relay).