WT.050.130.000.UA.IM.1108
ACUTEC
™
35 SYSTEM
39
4.7 Routine
Service
WARNING: TO AVOID POSSIBLE SEVERE PERSONAL INJURY OR EQUIP-
MENT DAMAGE, DUE TO UNDETECTED LEAKS OF DANGEROUS GAS,
THE FOLLOWING SERVICE MUST BE PERFORMED TO VERIFY OPERA-
TION OF THIS GAS DETECTOR.
• MONTHLY
a. Test sensor response with actual gas if Autotest Generator is not
installed. However, if a higher degree of confidence is desired,
the sensor may be tested more often.
b. Adjust sensor zero potentiometer.
c. Clean battery vent.
d. Verify that the Battery Back-up works by removing ac power.
• QUARTERLY
Adjust the sensor span potentiometer (optional—requires a gas cali-
bration device). (Not supplied by Siemens Water Technologies.)
NOTE: Span adjustment is recommended only when a precise indica-
tion of gas level is required.
!