Mitsubishi Electric SUZ-KA71VA.TH User Manual

50 pages

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DATA BOOK

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS

No.OC322

R410A

Outdoor unit

[model names] [Service Ref.]

SUZ-KA25VA SUZ-KA25VA.TH

SUZ-KA35VA SUZ-KA35VA.TH

SUZ-KA25VAH SUZ-KA25VAH.TH

SUZ-KA35VAH SUZ-KA35VAH.TH

SUZ-KA50VA SUZ-KA50VA.TH

SUZ-KA60VA SUZ-KA60VA.TH

SUZ-KA71VA SUZ-KA71VA.TH

CONTENTS

COMBINATION OF INDOOR AND OUTDOOR UNITS

······2

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

3. PART NAMES AND FUNCTIONS······················6

4. SPECIFICATION·················································7

5. NOISE CRITERIA CURVES ·····························11

6. OUTLINES AND DIMENSIONS ·······················12

7. WIRING DIAGRAM ··········································14

8. REFRIGERANT SYSTEM DIAGRAM··············18

9. PERFORMANCE CURVES······························22

10. ACTUATOR CONTROL····································48

11. SERVICE FUNCTIONS·····································49

12. TROUBLESHOOTING······································49

13. DISASSEMBLY INSTRUCTIONS·····················82

14. PARTS LIST······················································89

Indication of

model name

NOTE:

This service manual describes technical data of the

outdoor units.

•As for indoor units SLZ-KA25/35/50VA(L).TH and SEZ-

KA35/50/60/71VA.TH, refer to the service manual

OC320 and OC321.

HFC

utilized

R410A

SUZ-KA25VA(H).TH SUZ-KA35VA(H).TH

October 2005

REVISED EDITION-A

Revision:

•SUZ-KA71VA.TH is

added in REVISED

EDITION-A.

•Some descriptions

have been modified.

•Please void OC322.

OC322A--1qxp 05.10.19 3:28 PM Page 1

Questions and Answers:

S
steve58Aug 5, 2025
What to do if the OPERATION INDICATOR lamp is flashing on and off on my Mitsubishi Electric Air Conditioner?
- F
  fisherericAug 5, 2025
  If the OPERATION INDICATOR lamp is flashing on and off, indicating an abnormality, check how many times the abnormality indication is flashing on and off before starting service work.
L
lynnmaryAug 19, 2025
What to do if I suspect a defective electronic control P.C. board in my Mitsubishi Electric SUZ-KA71VA.TH Air Conditioner?
- J
  Joshua OwensAug 19, 2025
  If you suspect a defective electronic control P.C. board, check the copper foil pattern for disconnection and the components for bursting and discoloration.

Mitsubishi Electric SUZ-KA71VA.TH Specifications

General

Cooling Capacity	7.1 kW
Heating Capacity	8.0 kW
Power Supply	220-240V, 50Hz
Energy Efficiency Ratio (EER)	3.21
Refrigerant	R32
Power Input Cooling	2.21 kW
Energy Efficiency Ratio (Cooling)	3.21
Operating Range Cooling	-10 to 46°C
Operating Range Heating	-15 to +24 °C