Daikin WGZ030DW - Maintenance Schedule

OM 1130-2 81
Maintenance Schedule
I. Compressor
A. Performance Evaluation (Log & Analysis) *
O
B. Motor
•
Meg. Windings
X
• Ampere Balance (within 10%)
X
•
Terminal Check (tight connections, porcelain clean)
X
•
Motor Cooling (check temperature)
X
C. Lubrication System
•
Oil Level
O
X
• Oil Appearance (clear color, quantity)
O
•
Oil change if indicated by oil analysis
X
II. Controls
A. Operating Controls
• Check Settings and Operation
X
B. Protective Controls
•
Test Operation of:
Alarm Relay
X
Pump Interlocks
X
High and Low Pressure Cutouts
X
III. Condenser
B. Test Water Quality
X
C. Clean Condenser Tubes (or as required)
X
D. Eddycurrent Test - Tube Wall Thickness X
E. Seasonal Protection
X
IV. Evaporator
B. Test Water Quality X
C. Clean Evaporator Tubes (or as required)
X
D. Eddycurrent Test - Tube Wall thickness (or as required)
X
E. Seasonal Protection
X
V. Expansion Valves
A. Performance Evaluation (Superheat Control)
X
VI. Compressor - Chiller Unit
A. Performance Evaluation O
B. Leak Test:
• Compressor Fittings and Terminal
X
•
Piping Fittings
X
•
Vessel Relief Valves
X
C. Vibration Isolation Test
X
D. General Appearance:
•
Paint
X
•
Insulation
X
VII. Starter(s)
A. Examine Contactors (hardware and operation) X
B. Verify Overload Setting and Trip
X
C. Test Electrical Connections
X
VIII. Optional Controls
A. Hot Gas Bypass (verify operation)
X
Ke
y: O = Performed by in-house personnel X = Performed by service personnel