MaInTenanCe
IOM 1210-1 • MAGNITUDE
®
MODEL WMC CHILLERS 60 www.DaikinApplied.com
Maintenance Schedule
Table 25 provides an overview of recommended maintenance procedures along with how frequently these procedures should be
performed.
Table 25: Recommended Maintenance Schedule
Monthly
Quarterly
Semi-
Annually
Annually
As Required
By
Performance
During
Seasonal
Shutdown
During
Seasonal
Startup
I. Compressor
A. Analyze Compressor Fault Log X
B. Check IGV operation X
D. Check and tighten compressor electrical connections X
II. MicroTech
®
II Controls
A. Check for proper settings X
B. Verify transducers and sensors for accuracy X
C. Retrieve and archive OITS Trend Logs O
D. Perform MicroTech
®
II check, log, and last fault analysis X
III. Condenser
A. Conrm correct water ow and pressure drop O X
B. Conrm appropriate water treatment O
C. Clean and Leak Test condenser tubes X X X
D. Eddy Current Test - tube wall thickness X
E. Seasonal Protection X
IV. Evaporator
A. Conrm correct water ow and pressure drop O X
B. Conrm appropriate water treatment O
C. Clean and Leak Test evaporator tubes X
D. Eddy Current Test - tube wall thickness X
E. Seasonal Protection X
V. Chiller Unit
A. Run Test / Performance Evaluation X
B. Leak Test entire unit X X X
C. General Appearance:
1. Paint / Corrosion X
2. Insulation X
VII. Electrical
A. Check and record line voltage X
B. Inspect power components for signs of overheating X
C. Check and tighten unit electrical components X X
Key: O = Performed by in-house personnel X = Performed by qualied service personnel