Mitsubishi Electric MUZ-WR12NA-U2 User Manual (English)

To Next Page

Models

MUZ-WR09NA

MUZ-WR12NA

MUZ-WR18NA

MUZ-WR24NA

HFC

utilized

R410A

MUZ-WR24NA

PARTS CATALOG (OBB819)

SERVICE MANUAL

No. OBH819

REVISED EDITION-B

Indoor unit service manual

MSZ-WR•NA Series (OBH818)

CONTENTS

1. TECHNICAL CHANGES ······························2

2. PART NAMES AND FUNCTIONS ··················3

3. SPECIFICATION ········································4

4. OUTLINES AND DIMENSIONS ·····················7

5. WIRING DIAGRAM ·····································9

6. REFRIGERANT SYSTEM DIAGRAM ··········· 12

7. DATA······················································ 15

8. ACTUATOR CONTROL ····························· 25

9. SERVICE FUNCTIONS ······························ 26

10. TROUBLESHOOTING ······························· 27

11. DISASSEMBLY INSTRUCTIONS ················· 52

OUTDOOR UNIT

OBH819 REVISED EDITION-A is void.

Revision B:

• MUZ-WR09/12/18NA-

have been added.

• 10-4. The resistant value of the defrost

heater has been corrected.

Need help?

Do you have a question about the Mitsubishi Electric MUZ-WR12NA-U2 and is the answer not in the manual?

Mitsubishi Electric MUZ-WR12NA-U2 Specifications

General

Cooling Capacity	12, 000 BTU/h
Heating Capacity	13, 600 BTU/h
Refrigerant	R410A
Outdoor Unit Dimensions (HxWxD)	21-5/8 x 31-1/2 x 11-5/8 inches
COP (Heating)	3.8
Operating Temperature (Cooling)	14°F to 115°F
Indoor Unit Dimensions (HxWxD)	11-5/8 x 33-1/8 x 9-1/8 inches
Power Supply	208 / 230 V, 1 Phase, 60 Hz