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Mitsubishi MT300 User Manual
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'10
•
HM-T-149A
Installation
24
Outdoor unit installation
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Connection between indoor unit and outdoor unit
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57
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251
253
Table of Contents
Default Chapter
2
Table of Contents
2
Safety Precautions
4
Technical Data
7
Technical Specifications
8
Installation Requirements
10
Operating Temperature Range
11
Capacity Diagram
12
Dimensions
15
Electrical Circuit Diagram
23
Dimensions
39
Electrical Circuit Diagram
39
For Home Owners
41
Information about the Installation
42
Principle of Operation
42
Features
42
For Home Owners
42
Front Panel, Indoor Unit
43
For Home Owners
43
Menu Types
44
Quick Movement
44
Key Lock
44
For Home Owners
44
Comfort Setting Heating
45
Operating Status
45
Changing the Room Temperature Manually
45
For Home Owners
45
Default Heating Curve Setting
46
For Home Owners
46
Readjusting the Default Settings
47
Comfort Setting with Room Sensor
47
Heating System 2
47
Vacation Set Back
47
For Home Owners
47
Comfort Setting Cooling
48
Cooling Operated from the Outdoor Sensor in Operating Mode Autoc
48
For Home Owners
48
Comfort Setting Hot Water
49
Extra Hot Water
49
For Home Owners
49
Maintenance
50
Checking the Safety Valves in Indoor Unit
50
Hot Water Heater Safety Valve
50
For Home Owners
50
Pressure Gauge in Indoor Unit
51
Emptying the Hot Water Heater
51
Maintenance of Outdoor Unit
51
Saving Tips
51
For Home Owners
51
Dealing with Comfort Disruption
52
For Home Owners
52
Operating Mode “Add. Heat Only”
53
Emergency Mode
53
For Home Owners
53
Alarm Indications
54
Resetting Alarms
54
For Home Owners
54
Comfort Setting Heating
56
Outdoor Unit Installation
56
General
56
Refrigerant Piping Work
57
Air Tightness Test
57
Evacuation
57
Drain Piping Work
58
Electrical Piping Work
58
Additional Refrigerant Charge
58
Insulation on Piping
58
Commissioning
59
Checking the State of the Unit in Operation
59
Failure Diagnosis in a Test Run
59
The State of the Electronic Expansion Valve
59
Indoor Unit Installation
60
Hanging Indoor Unit on a Wall
60
General
60
Dimensioning Expansion Vessel
61
Manual Shunting
61
Emptying the Vessel
61
Indoor Unit Installation
62
Pipe Installation
62
General
62
Dimensions and Pipe Connections
63
Pump Capacity Diagram
64
Connecting the Climate System
64
Connecting the Hot Water Heater
65
Connecting Hot Water Coil to Water Main
65
Extra Electric Hot Water Heater
65
Connection of External Heat Source
66
Waste Exchanger Part
66
Connecting Refrigerant Pipes
66
Dockings
67
Symbol Key
67
Climate System
68
External Heat Source
68
Electrical Installation
69
Electrical Components
69
General
69
Connecting the Supply
71
Miniature Circuit-Breaker
71
Temperature Limiter
71
Connection between Indoor Unit and Outdoor Unit
71
Connection between Indoor Unit and Tank
72
Setting Max Boiler Temperature
72
Main Circuit Breaker Size Setting
72
Setting Max Power, Electric Heater
72
PCB, Terminal and Wiring Diagram
73
Connecting the Outdoor Air Sensor
73
Connecting the Current Limiter
73
Connection of Centralised Demand Control/Tariff
73
Alarm Outputs
74
Docking Specific Connection
74
Contact for Activation of “Extra Hot Water”
74
External Heat Source Control
74
Summary of the Function of the Terminals on PCB AA22
75
How to Connect External Circulation Pump and Heat Source on X3
76
Start-Up and Inspection
77
Venting the Climate System
77
Commissioning Without Outdoor Unit Connected
78
Setting System Flow Cooling
78
Setting System Flow Heating
78
Checking External Heat Source Controlled by Signal from Indoor Unit
79
Checking External Heat Source Controlled Independently
79
Cleaning the Particle Filter
79
Secondary Adjustment
79
Basic Menu Settings to be Checked
80
Single Heating Application with a Room Sensor
80
Dual Heating Application with a Room Sensor
81
Single Heating Application with External Heat Source
82
Checklist: Checks before Commissioning
83
Control
85
Display
85
Menu Management
85
Menu Tree
86
Main Menus
93
Hot Water Temp.
94
Supply Temp.
95
Supply Temp. 2
97
Outdoor Temp.
98
Heat Pump
98
Room Temperature
99
Clock
100
Other Adjustments
101
Service Menus
102
System Function
109
Principle of Operation Hydrolution
109
System Description
110
Heating Operation Mode
110
Principle of Operation
110
Hot Water Operation Mode
111
Cooling Operation Mode
111
Comfort Setting Cooling
112
General
112
Radiators - Only Heating
113
Hms140V(Mt300)-Fdcw140Vnx
114
Underfloor Heating and Cooling
115
Fan Convectors - Heating and Cooling
116
Dual System - Heating and Cooling
117
Underfloor Heating and Fan Convectors- Heating and
118
Underfloor Heating and Fan Convectors - Heating and Cooling
118
External Heat Source
119
Gas
120
Oil
121
External Heat Source
122
Wood
122
Operation Control Function by the Indoor Unit Controller
124
Actuator Operation According to the Operation Mode
125
Mode Transition in Auto/Autoc Mode
126
Exceptional Case of Mode Transition
127
Supply Water Temperature Control in Heating
128
Heating Curve
128
Upper / Lower Limit of the Supply Water Temperature
129
Water Temperature Control When Deviated from the Target
129
Heating Thermo-ON / off Control
130
DM (Degree-Minutes) Value
130
Operation State Transition According to DM Value
130
Alternating Mode/Combined Mode
130
Exceptional Processing of DM Value
131
Exceptional Compressor Speed Control
131
Forced Outdoor Unit Operation
131
Forced Combined Mode Operation
131
Supply Water Temperature Control in Coonling
132
Cooling Curve
132
Upper/Lower Limit of the Supply Water Temperature
132
Cooling Thermo-ON / off Control
133
Hot Water Operation Control
134
Hot Water Operation During Alternating Mode
134
Hot Water Operation During Cooling Mode
134
Defrost Operation
134
Timing Chart of DM Value and Supply Water Temperature
135
Protection Control
136
Current Protection
136
Freeze Protection of Water Heat Exchanger
136
Low Condenser out
136
Operation Control Function by the Outdoor Unit Controller
137
Compressor Start Control
138
Compressor Soft Start Control
138
Outdoor Fan Control
139
Defrosting
141
Protective Control/ Anomalous Stop Control by Compressor Speed
142
Compressor Discharge Pipe Temperature Protection
142
Cooling High Pressure Protection
142
Anomalous Stop Control
142
Heating High Pressure Protection
143
Anomaly Detection Control by the High Pressure Switch
143
Low Pressure Control
143
Compressor Pressure Ratio Protection Control
144
Overcurrent Protection
144
Power Transistor Temperature Control
145
Anomalous Power Transistor Current
145
Refrigerant Amount Shortage Protection
145
Broken Wire Detection on Temperature Thermistor/Low Pressure Sensor
145
Pump-Down Control
146
Controller
147
Alarm List
147
Alarm with Automatic Reset
147
Temperature Limiter Alarm
147
Indoor Unit Alarm
147
Outdoor Unit Alarm
148
Hm-T-
150
Hot Water Alarm
151
Supply Alarm
151
Troubleshooting Guide
152
Thermal Cutout
152
OU Power Failure
153
Troubleshooting Guide
155
High Condenser out
155
Anti Freeze HX
156
High HW Temp. 9 High AH Temp.
157
High Supply Temp. 1, 11 High Supply Temp. 2
158
Aborted Defrost
159
S. Fault HP
160
E35 - High HX Temp
162
E36 - Permanent Hotgas
163
E37 - S. Fault Tho-R
164
E38 - S. Fault Tho-A
165
E39 - S. Fault Tho-D
166
E40 - HP Alarm
167
E42 - Current Cut
168
E45 - Inverter Communication Error
169
E47 - Inverter A/F Module over Current
170
E48 - Fan Alarm
171
E49 - LP Alarm
172
E51 - Inverter and Fan Motor Error
174
E53 - S. Fault Tho-S
175
E54 - S. Fault LPT
176
E57 - Low Refrigerant
177
E59 - Inverter Error
178
Function Check, Components
179
Indoor Unit Relay Test - Forced Control
179
Relay Functions
180
DIP Switch Setting
181
Fdcw100Vnx,140Vnx
182
Component Replacement
183
DIP Switch Setting
184
Fdcw71Vnx
184
Fan and Fan Motor
185
Compressor (CM)
186
Control PCB
188
Inverter PCB
189
Noise Filter PCB
190
Fan and Fan Motor (Fmo1)
191
Fdcw140Vnx
198
Components
205
Indoor Unit
206
Circulation Pump
206
Indoor Unit
208
ShuttleValves(Qm30,Qm31,Qn11)
208
Technical Specifications Actuator
209
Particle Filter
210
Safety Valve
210
Outdoor Unit
211
Compressor
211
Expansion Valve
211
Low Pressure Sensor
211
Temperature Sensor
212
Data for Sensor in Indoor Unit
212
Component Positions
213
List of Components
218
Outdoor Unit Components View
219
Accessories Accessories
220
Accessories
221
Wind Protection
221
Air to Water Heat Pump
227
Installation Requirements
229
Water Heat Pump Installation Requirements
229
Water Heat Pump Dimensions
230
Electrical Circuit Diagrams
234
Temporary Hot Water
250
“Extra Hot Water” Activation (Three Ways)
250
Outdoor Unit Haulage and Installation
251
General Information
254
Indoor Unit Assembly
254
Indoor Unit Transport and Storage
254
Supplied Components
254
Installation Space
255
Dimensioning Expansion Vessel
257
Initial Pressure and Max Height Difference
257
Manual Shunting
257
Connecting the Climate System
259
Connecting Hot Water Tank To Hms140V
260
Connecting the Hot Water Heater
260
Connection of External Heat Source
261
Setting Max Power, Electric Heater (R25 on AA22)
263
Summary Of The Function Of The Terminals On Pcb Aa22
264
Commissioning
265
Setting System Flow Heating
265
Menu
266
External Heat Source
268
Actuator Operation According to the Operation Mode
272
Heating Curve
273
Heating Curve Offset
274
Defrosting
275
Dip Switch Setting
279
Data for Sensor in Indoor Unit and Tank Unit
281
Temperature Sensor Placement
281
Installation and Instruction Sheet for HT500 and MT30
282
Installation Manual
282
Characteristic Of Rg10
286
Comfort Setting with Room Sensor
286
Heating System
286
Readjusting the Default Settings
286
Vacation Set Back
286
Cooling Mode
292
Electrical Installation
299
Contact for Changing the Room Temperature
302
External Circulation Pump
302
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Mitsubishi MT300 Specifications
General
Brand
Mitsubishi
Model
MT300
Category
Heat Pump
Language
English
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