32
Periodic General Maintenance Checks and Services Checklist
Date:
____________________________ Prepared By: ___________________________
Model Number: ____________________________ Serial Number: __________________________
Item Number: ____________________________
Monthly
Filters
Blower
Section Condensate
Drain
Cleanliness
Blower
Turns
Drain is Open
No
Obstructions
Belts (if applicable)
Condensate Pan Safety
Switches
Operate
Freely
Miscellaneous
Check Glycol or Chilled Water for Air (bleed as required)
External Heat Exchanger Clean and Clear of Obstructions
Humidifi er Cylinder and Controls Operate Properly
Semi-Annually
Check Refrigerant Charge (bubbles in sight-glass)
Tighten Electrical Connections
Check Suction & Discharge Pressure
Check Contacts on Contactors
for
Pitting
Check Glycol Solution Concentration in System
Clean Unit as Necessary
Clean
Coils
Test the Glycol Solution
Inhibitors
(fl ush if necessary)
Heat/Reheat
Operational
Clean Condensate Pump
Annually
Refrigerant
Systems
Chilled
Water
Systems
Inspect Glycol System for Leaks and Corrosion
Inspect Chilled Water System
for
Leaks
and
Corrosion
Conduct a Complete Check of All Services Listed
Conduct a Complete Check of
Above and Clean Unit's Interior
All Services Listed Above and
Clean
Unit's
Interior
Notes:
___________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
Signature:________________________________
*** If factory assistance is required for any reason, provide the model number, serial number, and STULZ item
number found on the unit nameplate. This will speed the process and ensure accuracy of information. ***
STULZ Air Technology Systems, Inc.
Frederick, Maryland USA 21704
Telephone: (301) 620-2033
Facsimile: (301) 620-1396
