Mitsubishi Electric MSZ-LN18VG User Manual

SERVICE MANUAL
Models
OUTDOOR UNIT
Indoor unit service manual
MSZ-LN•VGW/V/B/R Series (OBH766)
PARTS CATALOG (OBB768)
HFC
utilized
R32
MUZ-LN25VGHZ
-
E1
,
ER1
,
ET1
MUZ-LN35VGHZ
-
E1
,
ER1
,
ET1
MUZ-LN50VGHZ
-
E1
,
ER1
,
ET1
,
E2
MUZ-LN25VGHZ2
-
E1
,
ER1
,
E2
,
E3
,
SC1
,
ER2
MUZ-LN35VGHZ2
-
E1
,
ER1
,
E2
,
E3
,
SC1
,
ER2
MUZ-LN50VGHZ2
-
E1
,
SC1
,
ER1
CONTENTS
1. TECHNICAL CHANGES ······························3
2. SERVICING PRECAUTIONS FOR UNITS
USING REFRIGERANT R32 ·························4
3. PART NAMES AND FUNCTIONS ··················6
4. SPECIFICATION ········································7
5. NOISE CRITERIA CURVES ························10
6. OUTLINES AND DIMENSIONS ··················· 12
7. WIRING DIAGRAM ··································· 15
8. REFRIGERANT SYSTEM DIAGRAM ··········· 21
9. PERFORMANCE CURVES ························24
10. ACTUATOR CONTROL ····························· 43
11. SERVICE FUNCTIONS ······························ 44
12. TROUBLESHOOTING ······························· 45
13. DISASSEMBLY INSTRUCTIONS ·················69
MUZ-LN25VGHZ
MUZ-LN35VGHZ
No. OBH768
REVISED EDITION-G
OBH768 REVISED EDITION-F is void.
Revision G:
• MUZ-LN25/35VGHZ2-
E3
,
SC1
,
ER2
and
MUZ-LN50VGHZ2-
E1
,
SC1
,
ER1
have
been added.

Mitsubishi Electric MSZ-LN18VG Specifications

General

Cooling Capacity	5.0 kW
Heating Capacity	6.0 kW
Power Supply	220-240 V, 50 Hz
Refrigerant	R32
Type	Split System
Seasonal Energy Efficiency Ratio (SEER)	6.10
Seasonal Coefficient of Performance (SCOP)	4.00
Noise Level (Indoor Unit)	19 dB