Mitsubishi Electric MXZ-2C20NA4-U1 Technical & Service Manual

TECHNICAL & SERVICE MANUAL
CONTENTS
1. REFERENCE MANUAL
......................
2
2. SAFETY PRECAUTION ......................2
3. PARTS NAMES AND FUNCTIONS
.....
6
4. SPECIFICATIONS
...............................
7
5. OUTLINES AND DIMENSIONS
...........
9
6. WIRING DIAGRAM
............................
10
7. REFRIGERANT SYSTEM DIAGRAM
.....
11
8. TROUBLESHOOTING
.......................
12
9. SPECIAL FUNCTION
........................
26
10. 4-WAY AIRFLOW SYSTEM
...............
27
11. DISASSEMBLY PROCEDURE
..........
29
12. REMOTE CONTROLLER
..................
33
Indoor unit
[Model Name] [Service Ref.]
SLZ-KF09NA1
SLZ-KF12NA1
SLZ-KF15NA1
SLZ-KF18NA1
INDOOR UNIT
Model name
indication
SLZ-KF09NA1
SLZ-KF12NA1
SLZ-KF15NA1
SLZ-KF18NA1
WIRED REMOTE CONTROLLER
(Option)
PARTS CATALOG (TCB118)
SPLIT-SYSTEM HEAT PUMP
WIRELESS REMOTE
CONTROLLER
(Option)
No. TCH118
April 2023
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Mitsubishi Electric MXZ-2C20NA4-U1 Specifications

General

Type	Heat Pump
Series	M-Series
Outdoor Unit Model	MXZ-2C20NA4-U1
Cooling Capacity	20, 000 BTU/h
Heating Capacity	22, 000 BTU/h
Refrigerant	R410A
Energy Efficiency Ratio (EER)	12.5
Heating Seasonal Performance Factor (HSPF)	10.0
Voltage	208 / 230 V
Phase	Single
Compressor Type	Inverter
Maximum Number of Zones	2
Operating Temperature (Cooling)	14°F - 115°F
Power Supply	Outdoor Unit
Indoor Unit Dimensions (HxWxD)	Varies by indoor unit model
Indoor Unit Weight	Varies by indoor unit model