MAXA i-32V5H MIDI 0121, Technical Bulletin, Page: 3 / 40

i-32V5H MIDI
Chiller and Inverter Air/Water heat pumps with axial fan
3
Contents
1. DESCRIPTION OF UNIT AND TECHNICAL SPECIFICATIONS ................................................5
1.1 FRAMEWORK ............................................................................................................... 5
1.2 COMPRESSORS ............................................................................................................ 5
1.3 AIR SIDE HEAT EXCHANGER .........................................................................................5
1.4 UTILITY SIDE HEAT EXCHANGER ..................................................................................5
1.5 FAN .............................................................................................................................. 5
1.6 COOLING CIRCUIT ........................................................................................................ 5
1.7 ELECTRICAL AND CONTROL PANEL ..............................................................................6
1.8 CONTROL AND PROTECTION DEVICES .........................................................................7
1.9 HYDRAULIC CYRCUIT ................................................................................................... 7
2. DESCRIPTION OF VERSIONS AND ACCESSORIES ................................................................7
2.1 VERSIONS .................................................................................................................... 7
2.2 LIST OF ACCESSORIES .................................................................................................. 8
2.3 DESCRIPTION OF ACCESSORIES ...................................................................................9
2.3.1 Factory-fitted accessories .........................................................................................9
2.3.2 Accessories supplied separately ...............................................................................9
3. INSTALLATION .................................................................................................................. 11
3.1 UNIT DIMENSIONS, HYDRAULIC CONNECTIONS, WEIGHTS AND CENTRE OF GRAVITY
POSITION ............................................................................................................................ 11
3.1.1 Net dimensions and with packaging ......................................................................11
3.1.2 Detail of connections and location ........................................................................12
3.1.3 Weights .................................................................................................................. 12
3.1.4 Location of the centre of gravity and vibrations dampers ......................................12
3.2 TECHNICAL SERVICE AREAS .......................................................................................13
3.3 HYDRAULIC CIRCUIT ..................................................................................................15
3.3.1 System water specifications ...................................................................................16
3.3.2 Typical hydraulic scheme .......................................................................................16
3.3.3 Hydraulic diagram inside the unit ..........................................................................17
3.3.4 Minimum water content and hydraulic circuit volumes .........................................18
3.3.5 Condensate drainage system ..................................................................................18
3.3.6 System charging/discharging ..................................................................................19
3.3.7 Air vent valve .......................................................................................................... 19
4. TECHNICAL DATA ............................................................................................................. 20
4.1 HEAT PUMP DATA SHEET ...........................................................................................20
4.2 DATA SHEET UNIT WITH DESUPERHEATER ................................................................21
4.3 UNIT AND AUXILIARY ELECTRICAL DATA ....................................................................22
5. CORRECTIVE FACTORS ..................................................................................................... 22
5.1 CORRECTION FACTORS FOR USE OF WATER-GLYCOLE MIXTURE ...............................22
5.2 SCALING CORRECTION FACTOR .................................................................................22
5.3 CaLIBRATIONS AND PROTECTIONS CONTROL ............................................................22
5.4 CORRECTION FACTORS DEPENDING ON ALTITUDE ...................................................23
6. HYDRONIC GROUP DATA DATI DEL GRUPPO IDRONICO ..................................................24
6.1 USEFUL HEAD ............................................................................................................ 24
6.2 PRESSURE DROP Y-FILTER ACCESSORIES 3-WAY VALVE .............................................24