4
Operation
Pre-start Checkout
21
Unit Voltage Power Supply
21
Unit Voltage Imbalance
21
Unit Voltage Phasing
21
Water System Flow Rates
22
Water System Pressure Drop
22
Daily Unit Start-up Procedure
22
Seasonal Unit Start-up Procedure
23
Temporary Shutdown and Restart
23
Extended Shutdown Procedure
23
System Restart after Extended Shutdown
23
Maintenance
Periodic Maintenance
25
Refrigerant and Oil Charge Management
27
R134a Field-charging Procedure
28
Charge Isolation on the High or Low Side of the System
28
Filter Replacement Procedure
29
Lubrication System
29
Oil Charging Procedure
29
Safety Recommendations
32
Maintenance Contract
32
Training
32
CG-PRC010-E4
Contents
