Mitsubishi Electric EHST20C-VM2C.UK User Manual

SERVICE MANUAL
CONTENTS
1. REFERENCE MANUAL
...................................
2
2. SAFETY PRECAUTION
...................................
3
3. SPECIFICATIONS
............................................
6
4. PART NAMES AND FUNCTIONS
..................
7
5. OUTLINES AND DIMENSIONS
.......................
8
6. WIRING DIAGRAM
........................................
10
7. FIELD WIRING
...............................................
17
8. WATER SYSTEM DIAGRAM
.........................
21
9. CONTROLS
...................................................
25
10. TROUBLESHOOTING
...................................
45
11. DISASSEMBLY PROCEDURE
......................
61
12. SUPPLEMENTARY INFORMATION
.............
84
13. SERVICE AND MAINTENANCE
...................
85
Note:
• This manual describes
only service data of cylin-
der unit.
• RoHS compliant products
have <G> mark on the
spec name plate.
R410A
PARTS CATALOG (OCB570)
CYLINDER UNIT
December 2014
CYLINDER UNIT
No. OCH570
[Model name]
EHST20C-VM2C
EHST20C-VM6C
EHST20C-YM9C
EHST20C-TM9C
EHST20C-VM2EC
EHST20C-VM6EC
EHST20C-YM9EC
EHST20C-MHCW
EHST20C-MEC
EHST20D-VM2C
EHST20D-MHCW
EHST20D-MEC
EHST20D-MHC
EHPT20X-VM2C
EHPT20X-VM6C
EHPT20X-YM9C
EHPT20X-TM9C
EHPT20X-MHCW
[Service Ref.]
EHST20C-VM2C.UK
EHST20C-VM6C.UK
EHST20C-YM9C.UK
EHST20C-TM9C.UK
EHST20C-VM2EC.UK
EHST20C-VM6EC.UK
EHST20C-YM9EC.UK
EHST20C-MHCW.UK
EHST20C-MEC.UK
EHST20D-VM2C.UK
EHST20D-MHCW.UK
EHST20D-MEC.UK
EHST20D-MHC.UK
EHPT20X-VM2C.UK
EHPT20X-VM6C.UK
EHPT20X-YM9C.UK
EHPT20X-TM9C.UK
EHPT20X-MHCW.UK
MAIN REMOTE
CONTROLLER

Mitsubishi Electric EHST20C-VM2C.UK Specifications

General

Category	Heat Pump
Model	EHST20C-VM2C.UK
Refrigerant	R32
Type	Air to Water
Operating Temperature Range (Cooling)	10°C to 46°C