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Subject to change without notice | 83051400cUK – Translation into English of the original German operating manual | ait-deutschland GmbH
Contents
INFORMATION FOR USERS AND QUALIFIED
PERSONNEL
PLEASE READ FIRST ..................................................................2
SYMBOLS .....................................................................................2
INTENDED USE ..........................................................................4
DISCLAIMER................................................................................4
EC CONFORMITY .....................................................................4
SAFETY AND SECURITY ..........................................................4
CUSTOMER SERVICES ..............................................................5
WARRANTY / GUARANTEE ....................................................5
WASTE DISPOSAL .....................................................................5
OPERATING PRINCIPLE OF HEAT PUMPS ...........................6
AREA OF UTILISATION ............................................................6
HEAT QUANTITY RECORDING ............................................6
OPERATION ................................................................................6
CARE OF THE UNIT ..................................................................7
MAINTENANCE OF THE UNIT ...............................................7
Cleaning and Flushing unit components ............................7
MALFUNCTIONS .......................................................................7
INSTRUCTIONS FOR QUALIFIED PERSONNEL
SCOPE OF DELIVERY ................................................................8
INSTALLATION AND ASSEMBLY ...........................................9
Installation location ..............................................................9
Transport to installation location ......................................9
Sound ....................................................................................10
Installation ............................................................................ 11
Attaching the air flow baffles ............................................13
Installation / connection to heating circuit ....................15
Condensate discharge ........................................................16
PRESSURE RELIEF .....................................................................17
SEPARATING BUFFER TANK.................................................17
CIRCULATING PUMPS ...........................................................17
WATER HEATING ....................................................................17
HOT-WATER TANK .................................................................17
ELECTRICAL CONNECTIONS .............................................18
FLUSHING, FILLING AND BLEEDING THE SYSTEM .......20
Water quality of the fill and additional water in hot
water heating systems according to VDI 2035 ........20
INSULATING THE HYDRAULIC CONNECTIONS ..........21
COMMISSIONING ...................................................................22
DISMANTLING .........................................................................23
TECHNICAL DATA / SCOPE OF DELIVERY ........................24
PERFORMANCE CURVES
Heating capacity/COP / power consumption /
Heat pump pressure loss
Heating LW 90A/RX ..........................................................26
Cooling LW 90A/RX ..........................................................27
Heating LW 140A/RX.........................................................28
Cooling LW 140A/RX ........................................................29
DIMENSIONAL DRAWINGS AND INSTALLATION PLANS
Dimensional drawings ........................................................30
Installation plans
LW 90A/RX… .....................................................................31
LW 140A/RX .......................................................................32
HYDRAULIC CONNECTION
Separate buffer tank ...........................................................33
Legend Hydraulic integration ............................................34
TERMINAL DIAGRAMS
LW 90A/RX – 140A/RX ....................................................35
Comfort board ....................................................................36
CIRCUIT DIAGRAMS ..............................................................37
EC DECLARATION OF CONFORMITY ..............................39
