Mitsubishi MT300 User Manual

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'10 • HM-T-149A

Installation

28

Indoor unit installation

MT300

<Front>

MT500

600mm(For replacement

of an immersion heater)

600mm(For replacement

of an immersion heater)

6

0

0

m

m

-

59

-

Table of Contents

Default Chapter2
- Table of Contents2
Safety Precautions4
Technical Data7
Technical Specifications8
- Installation Requirements10
- Operating Temperature Range11
- Capacity Diagram12
- Dimensions15
- Electrical Circuit Diagram23
Dimensions39
Electrical Circuit Diagram39
- For Home Owners41
- Information about the Installation42
- Principle of Operation42
- Features42
- For Home Owners42
- Front Panel, Indoor Unit43
- For Home Owners43
- Menu Types44
- Quick Movement44
- Key Lock44
- For Home Owners44
- Comfort Setting Heating45
- Operating Status45
- Changing the Room Temperature Manually45
- For Home Owners45
- Default Heating Curve Setting46
- For Home Owners46
- Readjusting the Default Settings47
- Comfort Setting with Room Sensor47
- Heating System 247
- Vacation Set Back47
- For Home Owners47
- Comfort Setting Cooling48
- Cooling Operated from the Outdoor Sensor in Operating Mode Autoc48
For Home Owners48
- Comfort Setting Hot Water49
- Extra Hot Water49
- For Home Owners49
- Maintenance50
- Checking the Safety Valves in Indoor Unit50
- Hot Water Heater Safety Valve50
- For Home Owners50
- Pressure Gauge in Indoor Unit51
- Emptying the Hot Water Heater51
- Maintenance of Outdoor Unit51
- Saving Tips51
- For Home Owners51
- Dealing with Comfort Disruption52
- For Home Owners52
- Operating Mode “Add. Heat Only”53
- Emergency Mode53
- For Home Owners53
- Alarm Indications54
- Resetting Alarms54
- For Home Owners54
Comfort Setting Heating56
- Outdoor Unit Installation56
- General56
General60
- Dimensioning Expansion Vessel61
- Manual Shunting61
- Emptying the Vessel61
Indoor Unit Installation62
- Pipe Installation62
- General62
System Description110
- Heating Operation Mode110
Principle of Operation110
- Hot Water Operation Mode111
- Cooling Operation Mode111
Comfort Setting Cooling112
- General112
Radiators - Only Heating113
- Hms140V(Mt300)-Fdcw140Vnx114
Underfloor Heating and Cooling115
Fan Convectors - Heating and Cooling116
Dual System - Heating and Cooling117
Underfloor Heating and Fan Convectors- Heating and118
- Underfloor Heating and Fan Convectors - Heating and Cooling118
- External Heat Source119
- Gas120
- Oil121
External Heat Source122
- Wood122
Controller147
Alarm List147
- Alarm with Automatic Reset147
- Temperature Limiter Alarm147
- Indoor Unit Alarm147
- Outdoor Unit Alarm148
- Hm-T-150
- Hot Water Alarm151
- Supply Alarm151
- Troubleshooting Guide152
- Thermal Cutout152
- OU Power Failure153
Troubleshooting Guide155
- High Condenser out155
- Anti Freeze HX156
- High HW Temp. 9 High AH Temp.157
- High Supply Temp. 1, 11 High Supply Temp. 2158
- Aborted Defrost159
- S. Fault HP160
- E35 - High HX Temp162
- E36 - Permanent Hotgas163
- E37 - S. Fault Tho-R164
- E38 - S. Fault Tho-A165
- E39 - S. Fault Tho-D166
- E40 - HP Alarm167
- E42 - Current Cut168
- E45 - Inverter Communication Error169
- E47 - Inverter A/F Module over Current170
- E48 - Fan Alarm171
- E49 - LP Alarm172
- E51 - Inverter and Fan Motor Error174
- E53 - S. Fault Tho-S175
- E54 - S. Fault LPT176
- E57 - Low Refrigerant177
- E59 - Inverter Error178
Function Check, Components179
- Indoor Unit Relay Test - Forced Control179
- Relay Functions180
- DIP Switch Setting181
- Fdcw100Vnx,140Vnx182
- Component Replacement183
DIP Switch Setting184
- Fdcw71Vnx184
- Fdcw140Vnx198
Components205
- Indoor Unit206
- Circulation Pump206
Indoor Unit208
- ShuttleValves(Qm30,Qm31,Qn11)208
Outdoor Unit211
- Compressor211
- Expansion Valve211
- Low Pressure Sensor211
Temperature Sensor212
- Data for Sensor in Indoor Unit212
- Component Positions213
- List of Components218
- Outdoor Unit Components View219
- Accessories Accessories220
Accessories221
- Wind Protection221
- Air to Water Heat Pump227
- Installation Requirements229

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Mitsubishi MT300 Specifications

General

Brand	Mitsubishi
Model	MT300
Category	Heat Pump
Language	English

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