Sign In
Upload
Download
Table of Contents
Contents
Add to my manuals
Delete from my manuals
Share
URL of this page:
HTML Link:
Bookmark this page
Add
Manual will be automatically added to "My Manuals"
Print this page
×
Bookmark added
×
Added to my manuals
Manuals
Brands
Mitsubishi Heavy Industries Manuals
Air Conditioner
KXZ Series
Service manual
Mitsubishi Heavy Industries KXZ Series Service Manual
Vrf inverter multi-system, outdoor units
Hide thumbs
Also See for KXZ Series
:
Technical manual
(266 pages)
,
Service manual
(181 pages)
,
Technical manual
(128 pages)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
Table Of Contents
152
page
of
152
Go
/
152
Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Contents
Icon Display
Outline of Operation Control by Microcomputer
Remote Control
Wired Remote Control
Wireless Remote Control
CPU Reset
Operation Control Function by the Wired Remote Control
Power Failure Compensation Function (Electric Power Source Failure)
Switching Sequence of the Operation Mode Switches of Remote Control
Operation and Setting from Remote Control
Dehumidifying Operation
Operation Control Function by the Indoor Control
Operations of Functional Items During Cooling/Heating
Timer Operation
Remote Control Display During the Operation Stop
Rc-E5
Hot Start (Cold Draft Prevention at Heating)
Combination of Patterns Which Can be Set for the Timer Operations
Auto Swing Control
Ending Condition
Hot Keep
Cooling
Heating
Thermostat Operation
Fan Control During Cooling Thermostat off
Fan Control During Heating Thermostat off
Compressor Inching Prevention Control
Drain Pump Control
Filter Sign
Cooling, Dehumidifying Frost Protection
Drain Motor (DM) Control
Operation Check/Drain Pump Test Run Operation Mode
High Ceiling Control
External Input/Output Control (Cnt or Cnta)
Anomalous Fan Motor
Abnormal Temperature Thermistor Wire/Short-Circuit Detection
Output for External Control (Remote Display)
Operation Permission/Prohibition
Selection of Cooling/Heating External Input Function
High Power Operation/Energy-Saving Operation
Return Air Temperature Compensation
Room Temperature Detection Temperature Compensation During Heating
Warm-Up Control
The Operation Judgment Is Executed Every 5 Minutes
Home Leave Mode
IU Overload Alarm/Peak-Cut Time
Fan Circulator Operation
Normal Control
Operation Control Function by the Outdoor Control
Compressor Operation Range
Maximum Compressor Frequency
Minimum Compressor Frequency
Outdoor Fan Speed and Fan Motor Rotation Speed
Fan Control During Cooling
Outdoor Fan Heating Control
Outdoor Fan Control
Defrost Control
Temperature Condition of Defrosting
High Pressure Protective Control/Error
Low Pressure Protective Control/Error
Protective Control
Test Run
Optional Controls
Demand Control
Demand Control from Indoor Unit
Control Contents
End Condition
Silent Mode Control
Start Conditions
Setting Method of Outdoor Fan Control
External Output
Outdoor Fan Snow Protection Control
End Conditions of Outdoor Fan Snow Protection Control
Outdoor Operation Mode
Emergency Stop Control
Forced Cooling/Heating Operation
Pump down Operation Control for Removal of the Unit
VTCC : Variable Temperature and Capacity Control
Data Output
7-Segment Display and Operation Data Retention
Individual Definition of Display Contents
Operation Information
Control Status
Definition of Signal
Protection Control Status
Compressor Stop Causes
Indoor Unit Indicate Data
Saving of Operation Data
Outdoor Unit Indicate Data
Output of PCB Hardware
Control PCB
Outdoor PCB Setting
Indoor PCB Setting
Basics of Troubleshooting
Checking 15V on the Control PCB
Explanation of Troubleshooting
Inspection of Short-Circuit on the Power Transistor Module Terminals
Inverter Checker for Diagnosis of Inverter Output
Outdoor Unit Check Points
Contents of Troubleshooting
List of Inspection Displays
Operates but Does Not Cool
Troubleshooting Procedures
Operates but Does Not Heat
Earth Leakage Breaker Activated
Excessive Noise/Vibration
Louver Motor Anomaly
Power Source System Anomaly (Power Source to Indoor Unit PCB)
Power Source System Error (Power Source to Remote Control)
Wait
No Display
Remote Control Communication Error
Duplicated Indoor Unit Address
Outdoor Unit Signal Line Error
Communication Error During Operation
Indoor Heat Exchanger Temperature Thermistor Anomaly (Thi-R)
Indoor Return Air Temperature Thermistor Anomaly (Thi-A)
Drain Trouble
Excessive Number of Indoor Units by Controlling One Remote Control
Address Setting Error between Master and Slave Indoor Units
Address Setting Error by Mixed Setting Method
Indoor DC Fan Motor Anomaly
Address Setting Error of Master and Slave Indoor Units
Indoor Unit Operation Check, Drain Motor Check Mode Anomaly
Indoor DC Fan Motor Rotation Speed Anomaly
Defective Panel Switch Operation (FDT)
Remote Control Temperature Thermistor Anomaly (Thc)
Duplicated Outdoor Unit Address No.
Open L3 Phase on Power Source at Primary Side
Discharge Pipe Temperature Error (Tho-D)
Outdoor Heat Exchanger Temperature Thermistor (Tho-R) Anomaly
Subcooling Coil Temperature Thermistor (Tho-SC,-H) Anomaly
Outdoor Air Temperature Thermistor Anomaly (Tho-A)
Discharge Pipe Temperature Thermistor Anomaly (Tho-D)
High Pressure Anomaly (63H1 Activated)
Power Transistor Overheat
Current Cut (CM1)
1 Applicable Model
2 Error Detection Method
Excessive Number of Indoor Units Connected
Excessive Total Capacity of Connection
Indoor Keeps Flashing Stays off
Liquid Flooding Anomaly (CM1)
Outdoor Keeps Flashing 1-Time Flash
3 Condition of Error Displayed
5 Troubleshooting
Communication Error between Inverter PCB and Outdoor Control PCB
Mixed Address Setting Methods Coexistent in same Network
Outdoor DC Fan Motor Anomaly
Is the
Low Pressure Anomaly
Save Data for 30 Minutes before Stopping in Mente PC
Suction Pipe Temperature Thermistor Anomaly (Tho-S)
Under-Dome Temperature Thermistor Anomaly (Tho-C)
High Pressure Sensor Anomaly (PSH)
Low Pressure Sensor Anomaly (PSL)
Anomalous Compressor by Loss of Synchronism
Compressor Startup Failure (CM1)
Table of Contents
Emergency Stop
Outdoor Unit Control PCB Replacement Procedure
Outdoor Unit Inverter PCB Replacement Procedure
Control PCB
Target Places Which Are Removed Harnesses and Screws
Installation Method to Power Transistor
Installationplace of Inverter PCB
Outdoor Unit Converter PCB Replacement Procedure
Voltage Measurement Points
Outdoor Unit Transistor Module Replacement Procedure
Outdoor Unit Diode Module Replacement Procedure
Function of Connection
Electrical Wiring
Piping System
Application Data
Installation of Outdoor Unit
Before Beginning Installation
Selecting the Installation Location
Installation Space (Ex. Servicing Space)
Refrigerant Piping
Restrictim on Use of Pipes
Unit Delivery and Installation
Pipe Size Selection
Selection of the Branch Pipe Set
Selection of the Branch Set for Indoor Unit Side
Selection of the Header Set
Field Piping Work
Piping Work
Air Tightness Test and Vacuuming
Additional Charge of Refrigerant
Heating and Condensation Prevention
Drain Piping Work
Electric Wiring
Power Source Connection
Wiring System Drawing
How to Connect Signal Cables
Control Settings
Remote Control Wiring Specifications
Unit Address Setting
Automatic Address Setting
Manual Address Setting
Address Change (Available Only with New SL)
7-Segment Display Indication in Automatic Address Setting
External Input and Output Terminals Specifications
Selection Switching
Silent Mode Setting
Cautions for Servicing
Demand Control Setting
Test Operation and Transfer
About Brazing
Method for Connecting the Accessory Pipe
Connection Example
Instructions for Installing the Branch Pipe Set
How to Select a Branching Pipe
How to Select a Header Set
Branching + Header Mixed Type Configuration
Branching Type Configuration
Example of Piping
Header Type Configuration
Advertisement
Quick Links
1
Contents
2
Applicable Model
3
Error Detection Method
Download this manual
Manual No.'14
KX-SM-221
•
SERVICE MANUAL
VRF INVERTER MULTI-SYSTEM AIR-CONDITIONERS
KXZ Outdoor units
KXZP series
Single use
FDC224KXZPE1, 280KXZPE1
Note:
•
(1)Regarding the indoor unit series, refer to the No.'14・KX-DB-206.
Table of
Contents
Previous
Page
Next
Page
1
2
3
4
5
Advertisement
Table of Contents
Troubleshooting
Basics of troubleshooting
59
Explanation of troubleshooting
60
Contents of troubleshooting
63
Troubleshooting procedures
64
Liquid flooding anomaly (CM1)
106
Need help?
Do you have a question about the KXZ Series and is the answer not in the manual?
Ask a question
Questions and answers
Related Manuals for Mitsubishi Heavy Industries KXZ Series
Air Conditioner Mitsubishi Heavy Industries KXZ Series Technical Manual
Vrf inverter multi-system air-conditioners (266 pages)
Air Conditioner Mitsubishi Heavy Industries KXZ Series Service Manual
Vrf inverter multi-system air-conditioners, outdoor unit, heat pump type (181 pages)
Air Conditioner Mitsubishi Heavy Industries KXZ Series Service Manual
Vrf inverter multi-system air-conditioners (171 pages)
Air Conditioner Mitsubishi Heavy Industries KXZ series Service Manual
(166 pages)
Air Conditioner Mitsubishi Heavy Industries FDC224KXZME1 Service Manual
Vrf inverter multi-system air-conditioners (outdoor unit) (157 pages)
Air Conditioner Mitsubishi Heavy Industries KXZ Series Technical Manual
Vrf inverter multi-system air-conditioners indoor unit, ceiling cassette - 4 way compact type (128 pages)
Air Conditioner Mitsubishi Heavy Industries KXZ Series Technical Manual
Vrf inverter multi-system air-conditioners (124 pages)
Air Conditioner Mitsubishi Heavy Industries KXZ Series Technical Manual
Vrf inverter multi-system air-conditioners, wall mounted type (117 pages)
Air Conditioner Mitsubishi Heavy Industries KXZ Series Technical Manual
Vrf inverter multi-system air-conditioners indoor unit (111 pages)
Air Conditioner Mitsubishi Heavy Industries KX6 series Service Manual
Vrf inverter multi-system air conditioners (217 pages)
Air Conditioner Mitsubishi Heavy Industries KX6 Series Technical Manual
Vrf inverter multi-system air conditioners (59 pages)
Air Conditioner Mitsubishi Heavy Industries FDC224KXE6 Service Manual
Inverter driven multi-indoor unit climate control system (209 pages)
Air Conditioner Mitsubishi Heavy Industries KX6 Series Service Manual
Inverter driven multi-indoor unit climate control system (267 pages)
Air Conditioner Mitsubishi Heavy Industries FD Series User Manual
Packaged air conditioner, inverter packaged air-conditioners, vrf inverter multi-system air-conditioners, (22 pages)
Air Conditioner Mitsubishi Heavy Industries KX Series User Manual
Packaged air conditioner, inverter packaged air-conditioners, vrf inverter multi-system air-conditioners, (22 pages)
Air Conditioner Mitsubishi Heavy Industries KXZR Series Manual
Vrf inverter multi-system air conditioners (heat recovery 3-pipe systems) (184 pages)
This manual is also suitable for:
Kxzp series
Fdc224kxzpe1
Fdc280kxzpe1
Table of Contents
Save PDF
Print
Rename the bookmark
Delete bookmark?
Delete from my manuals?
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL
Need help?
Do you have a question about the KXZ Series and is the answer not in the manual?
Questions and answers