Name: Mitsubishi Heavy Industries HM270V
Brand: Mitsubishi Heavy Industries
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AIR TO WATER HEAT PUMP

INDOOR UNIT

HM270V

OUTDOOR UNIT

FDCW100VNX

Manual No. '09

•

HM-T-133

TECHNICAL MANUAL

Default Chapter2
- Table of Contents2
- High Supply Temp. 1, 11 High Supply Temp3
- N] Supply Temp3
Safety Precautions4
For Home Owners7
Information about the Installation8
- Product Information8
- Features of Hydrolution8
- Principle of Operation Hydrolution8
Front Panel, Indoor Unit9
- How to Use the Front Panel10
- Menu Types10
- Quick Movement10
- Key Lock10
- Language Setting10
Comfort Setting Heating11
- General11
- Operating Status11
- Changing the Room Temperature Manually11
- Default Heating Curve Setting12
- Readjusting the Default Settings13
- Heating System 213
- Vacation Set Back13
- Comfort Setting with Room Sensor13
Comfort Setting Cooling General14
- Cooling Operated from the Outdoor Sensor in Operating Mode Autoc14
Comfort Setting Hot Water15
- Available Volume15
- Prioritizing15
- Extra Hot Water15
Maintenance16
- Checking the Safety Valves in HM270V16
- Pressure Gauge in HM270V16
- Emptying the Hot Water Heater16
- Emptying the Vessel16
- Maintenance of FDCW100VNX16
- Saving Tips16
Dealing with Comfort Disruption17
- Operating Mode "Add. Heat Only18
- Emergency Mode18
Alarm Indications19
- What Happens in the Event of an Alarm19
- Recommended Actions19
- Resetting Alarms19
- Installation20
Outdoor Unit Installation21
- Haulage and Installation21
- Refrigerant Piping Work22
- Drain Piping Work23
- Electrical Wiring Work23
- Commissioning23
Indoor Unit Installation24
- General Information24
- Pipe Installation26
- Electrical Installation31
Start-Up and Inspection37
- Preparations37
- Commissioning37
- Setting System Flow Heating38
- Setting System Flow Cooling38
- Commissioning HM270V Without FDCW100VNX Connected38
- Checking External Addition with Electricity Blocked38
- Checking External Addition with Electricity as Reserve38
- Inspection of the Installation38
- Cleaning the Particle Filter38
- Control38
- Secondary Adjustment39
- Control39
- Basic Menu Settings to be Checked40
- Control40
- Checklist: Checks before Commissioning41
Control41
- Control42
Control43
- Display43
- Menu Types43
- Menu Management43
- Menu Tree44
- Main Menus51
- 1.0 [N] Hot Water Temp52
- N] Supply Temp53
- N] Outdoor Temp56
- N] Heat Pump56
- N] Room Temperature57
- 7.0 [N] Clock58
- 8.0 [N] Other Adjustments59
- S] Service Menus60
System Description66
Principle of Operation Hydrolution67
- Function67
General70
- Installation Requirements70
- Explanation71
Radiators - Only Heating72
- Function72
- Installation Requirements72
Underﬂoor Heating and Cooling73
- Function73
- Installation Requirements73
Fan Convectors - Heating and Cooling74
- Function74
- Installation Requirements74
Dual System - Heating and Cooling75
- Function75
- Installation Requirements75
Underﬂoor Heating and Fan Convectors- Heating and76
Cooling76
- Function76
- Installation Requirements76
External Heat Source77
- Sun77
- Gas78
- Oil79
- Wood80
- Service81
Service82
Operation Control Function by the Indoor Unit Controller82
- Service82
- Service83
- Service84
- Service85
- Service86
- Service87
- Service88
- Service89
- Service90
- Service91
- Service92
- Service93
- Service94
Controller 8195
Operation Control Function by the Outdoor Unit Controller95
- Service95
- Service96
- Service97
- Service98
- Service100
- Service101
- Service102
- Service103
Alarm List104
- Alarm with Automatic Reset104
- Temperature Limiter Alarm104
- HM270V Alarm104
- FDCW100VNX Alarm105
- Hot Water Alarm107
- Supply Alarm108
Troubleshooting Guide109
- Thermal Cutout109
- OU Power Failure110
- Low Condenser out111
- High Condenser out112
- Anti Freeze HX113
- High HW Temp. 9 High AH Temp114
- 31 - S. Fault HP116
- S. Fault Outdoor, 32 - S. Fault Cond Out, 33 - S. Fault Liquid Line, 34 - S. Fault HW, 35 - S. Fault AH, 36 - S. Fault Supply 1, 37 - S. Fault Supply117
- E35 - High HX Temp118
- E36 - Permanent Hotgas119
- E37 - S. Fault Tho-R120
- E38 - S. Fault Tho-A121
- E39 - S. Fault Tho-D122
- E40 - HP Alarm123
- E42 - Current Cut124
- E45 - Inverter Communication Error125
- E48 - Fan Alarm126
- E49 - LP Alarm127
- E51 - Inverter and Fan Motor Error129
- E53 - S. Fault Tho-S130
- E54 - S. Fault LPT131
- E57 - Low Refrigerant132
- E59 - Inverter Error133
- Temperature Sensor134
- Function Check, Components135
Function Check, Components HM270V Relay Test - Forced Control135
DIP Switches, FDCW100VNX137
- Circuit Board Layout137
- Function137
- Component Replacement138
Component Replacement HM270V138
- Fdcw100Vnx139
Hm270V149
- Circulation Pump (GP10)149
- Shuttle Valves (QM30, QM31, QN11)151
- Particle Filter (HQ1)153
- Safety Valve (FL2)153
- Summary153
Fdcw100Vnx154
- Compressor154
- 4-Way Valve154
- Expansion Valve154
- Low Pressure Sensor154
Technical Data155
Electrical Circuit Diagram156
- Hm270V156
- Fdcw100Vnx161
Temperature Sensor162
- Sensor Placement162
- Data for Sensor in FDCW100VNX162
- Data for Sensor in HM270V162
Component Positions163
- Indoor Unit163
- Outdoor Unit165
Dimensions166
- Indoor Unit166
- Outdoor Unit167
Technical Speciﬁcations168
- Performance168
- Operating Temperature Range170
- Capacity Diagram171
Accessories172

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General

Brand	Mitsubishi Heavy Industries
Model	HM270V
Category	Heat Pump
Language	English

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