Table of Contents
5. Troubleshooting
5-1 Checking faults by symptom ...........................................................................5-1
5-1-1 Power failure (for AC 220 V) .................................................................5-1
5-1-2
A water filtration failure or a water overflow ..........................................5-3
5-2
Control Specifications .....................................................................................5-5
5-2-1
Basic Specifications .............................................................................5-5
6. Exploded view and parts list
6-1 Exploded view and parts list............................................................................6-1
7. Parts location diagrams
7-1 Electrical wiring diagram .................................................................................7-1
7-2 Cable Specification .........................................................................................7-2
7-3
Water piping diagram ......................................................................................7-4
7-3-1 P-220R .........................................................................................
........7-4
7-3-2 P-220L .........................................................................................
.........7-4
7-4 PBA location diagram ......................................................................................7-5
7-4-1
MAIN PBA ............................................................................................7-5
7-4-2
SMPS PBA ...........................................................................................7-7
8. Circuit diagrams
8-1 MAIN PBA .......................................................................................................8-1
8-2 SMPS PBA ......................................................................................................8-2
9. Reference information
9-1 Names of each part .........................................................................................9-1
9-2 Functions and reference information...............................................................9-2
9-2-1
Types and functions of filters ................................................................9-2
9-2-2
Water Filtration Process .......................................................................9-4
9-3
After services ..................................................................................................9-5
9-3-1
Filter Replacement ...............................................................................9-5
9-3-2
Filter Replacement Method ..................................................................9-6
9-3-3
Cleaning Method ..................................................................................9-8