MTA HAST 080 N - Table of Contents; Contents

MAINTENANCE AND OPERATING MANUAL
Contents
HAS T 070÷140
3
ENGLISH
EN
The data in this manual are not binding and they can be modified by the manufacturer without notice. Reproduction of this manual is strictly prohibited.
CONTENTS
QUICK GUIDE ......................................................................................................................................1
0.1 Power up and power down...............................................................................1
0.2 Keys..................................................................................................................1
0.3 Changing the setpoint.......................................................................................2
0.4 Alarms ..............................................................................................................2
CONTENTS...........................................................................................................................................3
G
ENERAL INFORMATION....................................................................................................................5
1.1 How to interpret the model...............................................................................5
1.2 How to interpret the codes ...............................................................................5
1.3 Data plate..........................................................................................................6
1.4 Declaration of conformity ................................................................................6
1.5 Performance data..............................................................................................7
1.6 Noise ................................................................................................................7
1.7 How to interpret the alphanumeric string.........................................................7
TECHNICAL PARAMETERS FOR HEAT PUMP SPACE HEATERS AND HEAT PUMP
COMBINATION
HEATERS.....................................................................................................................7
S
AFETY ..............................................................................................................................................32
2.1 General ...........................................................................................................32
2.2 General precautions........................................................................................33
2.2.1 Precautions during lifting and transport ........................................................33
2.2.2 Precautions to be adopted during operation ..................................................33
2.2.3 Disposal ..........................................................................................................33
2.2.4 Precautions for maintenance and repair ........................................................33
2.3 Refrigerants ....................................................................................................34
DESCRIPTION ....................................................................................................................................35
3.1 Operating principle......................................................................................... 35
3.2 Components....................................................................................................35
3.2.1 Compressors ...................................................................................................35
3.2.2 Condensers ......................................................................................................35
3.2.3 Fans ................................................................................................................36
3.2.4 Evaporator ......................................................................................................36
3.2.5 Heat recovery and desuperheater ...................................................................36
3.2.6 Liquid receiver ...............................................................................................37
3.2.7 Cycle reversal valve ........................................................................................37
3.3 Hydraulic system (optional)...........................................................................38
3.4 Cabinet ...........................................................................................................39
3.5 Protection rating .............................................................................................39
3.6 Electrical circuit .............................................................................................39
3.7 Overall dimensions.........................................................................................39
INSTALLATION ..................................................................................................................................40
4.1 Foreword ........................................................................................................ 40
4.2 Symbols..........................................................................................................40
4.3 Installation......................................................................................................40
4.3.1 Inspection ........................................................................................................40
4.3.2 Location ..........................................................................................................40
4.3.3 Hydraulic connections ....................................................................................41
4.3.4 Freeze protection ............................................................................................44
4.3.5 Electrical connections .....................................................................................45
4.3.6 Phase Monitor .................................................................................................45
START-UP ..........................................................................................................................................46
E
LECTRONIC CONTROLLER .............................................................................................................47
6.1 Technical features ..........................................................................................47
6.1.1 Controller connectivity ...................................................................................47
6.1.2 Display ............................................................................................................48
6.1.3 Auxiliary hardware .........................................................................................49