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CYLINDER UNIT
No.GCH15010
REVISED EDITION-A
[Model Name]
EHPT20Q-VM2EA
Cylinder Unit
SERVICE MANUAL
R744
CONTENTS
1. REFERENCE MANUAL ................................... 2
2. SAFETY NOTICES .......................................... 3
3. SPECIFICATIONS ............................................ 4
4. PART NAMES AND FUNCTIONS .................. 5
5. OUTLINES AND DIMENSIONS ....................... 6
6. WIRING DIAGRAM ......................................... 8
7. FIELD WIRING ............................................... 11
8. WATER SYSTEM DIAGRAM ......................... 12
9. CONTROLS ................................................... 14
10. TROUBLESHOOTING ................................... 36
11. DISASSEMBLY PROCEDURE ...................... 51
12. SERVICE AND MAINTENANCE
79
...................
PARTS CATALOG (GCB15010)
Note:
• This manual describes service
data of cylinder unit only.
• RoHS compliant products
have <G> mark on the spec
name plate.
• Please void GCH15010.
MAIN REMOTE
CONTROLLER
Cylinder Unit