Indoor Service Manual
Table Of Contents
- Cover
- Contents
- 1. SAFETY PRECAUTION
- 2. PART NAMES AND FUNCTIONS
- 3. SPECIFICATION
- 4. FAN PERFORMANCE AND CORRECTED AIR FLOW
- 5. SOUND PRESSURE LEVELS
- 6. OUTLINES & DIMENSIONS
- 7. WIRING DIAGRAM
- 8. REFRIGERANT SYSTEM DIAGRAM
- 9. HEATER CONTROL
- 10. HUMIDIFIER CONTROL
- 11. ERV (ENERGY RECOVERY VENTILATION) CONTROL
- 12. TROUBLESHOOTING
- 12-1. Cautions on troubleshooting
- 12-2. Self-check function
- 12-3. Self-diagnosis action table
- 12-4. Troubleshooting by inferior phenomena
- 12-5. Test point diagram
- 12-6. Trouble criterion of main parts
- 12-7. Thermistor
- 12-8. DC Fan motor (FAN MOTOR/INDOOR CONTROLLER BOARD)
- 12-9. Functions of dip switch and jumper wire
- 13. DISASSEMBLY PROCEDURE
- Back Cover
Specications are subject to change without notice. © 2016 Mitsubishi Electric US, Inc.
43
4 Remove the (1 or 2) brackets that secure the
coil, unplug the thermistors from the control
board and route the wires out of the control box
area and into the coil section. Next, slide the
coil from the frame.
1. Remove the Electrical, Blower and Filter panel
indicated in sections 1 and 2.
2. Remove the Coil panel by removing all of the
screws securing it to the (3) smaller panels for
refrigerant and drain lines.
Exercise caution when removing heavy parts.
13-3. Coil Assembly
3. Slide the smaller panels in the directions indicated
and remove.
Fig. 6
Fig. 7
Fig. 5
Fig. 8
DIM.mm
CHANGE
A
B
C
D
E
F
G
H
I
J
A
B
C
D
E
F
G
H
I
J
16151413121110
987654321
16151413
121110
987654321
SCALE
4
NTS
COMMERCIAL TOLERANCE
WORK GRADE
CASTING
FINE COARSE
PRESS WORKING
GAS CUTTING
A B
SHEARING
A B
MACHINING
MEDIUMCOARSE
ED
CBA
MITSUBISHI ELECTRIC CORPORATION
DATE APPROVED
DRAWN
CHECKED
DESIGNED
3D
CONFIDENTIAL
ITEM MODEL NAME
1:5
Creo : 0_TOP_ASSY_L_21554B2.drw ( )
The parts are required to meet the latest RoHS directive.
DETAIL A
DETAIL B
OUTSIDE COIL SCREWS
DIM.mm
CHANGE
A
B
C
D
E
F
G
H
I
J
A
B
C
D
E
F
G
H
I
J
16151413121110
987654321
16151413
121110
987654321
SCALE
12
NTS
COMMERCIAL TOLERANCE
WORK GRADE
CASTING
FINE COARSE
PRESS WORKING
GAS CUTTING
A B
SHEARING
A B
MACHINING
MEDIUMCOARSE
ED
CBA
MITSUBISHI ELECTRIC CORPORATION
DATE APPROVED
DRAWN
CHECKED
DESIGNED
3D
CONFIDENTIAL
ITEM MODEL NAME
0.200
Creo : 0_TOP_ASSY_L_21554B2.drw ( )
The parts are required to meet the latest RoHS directive.