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Subject to change without notice | 83050400fUK – 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
EXCLUSION OF LIABILITY ......................................................4
EC CONFORMITY .....................................................................4
SAFETY .........................................................................................4
CUSTOMER SERVICE ................................................................5
WARRANTY / GUARANTEE ...................................................5
DISPOSAL ....................................................................................5
FUNCTIONING PRINCIPLE
OF HEAT PUMP SYSTEM ....................................................6
AREA OF UTILIZATION ...........................................................6
OPERATION ................................................................................6
CARE OF THE UNIT ..................................................................6
MAINTENANCE OF THE UNIT ...............................................7
CLEANING THE EVAPORATOR ......................................7
Cleaning and rinsing of unit components..........................7
MALFUNCTIONS .......................................................................8
INSTRUCTIONS FOR QUALIFIED TECHNICIANS
SCOPE OF DELIVERY ................................................................8
Main components ..................................................................9
INSTALLATION ..........................................................................9
Installation area .....................................................................9
Sound ....................................................................................10
Transport to installation location .................................... 11
Installation ............................................................................12
INSTALLATION OF THE
VENTILATION DUCT .......................................................13
Converting from air blower on the right
to air blower on the left ..............................................13
The air duct system 700 (accessory) ...............................15
Product advantages .............................................................16
Wall duct(s) assembly .........................................................16
Air ducts assembly ..............................................................17
Securing the air duct into the wall duct ..........................17
Securing the air duct on the heat pump ..........................17
Screen frame assembly .......................................................18
Wire mesh grille and weather/rain guards assembly ....18
INSTALLATION / CONNECTION
TO HEATING CIRCUIT ....................................................19
Manometer ...........................................................................20
Discharge hot water safety valve and condensate
discharge ........................................................................20
HOT-WATER TANK .................................................................21
ELECTRICAL CONNECTIONS .............................................21
RINSING, FILLING AND BLEEDING THE SYSTEM ..........23
Water quality of the fill and additional
water in hot water heating systems
according to VDI 2035 .................................................23
INSULATING THE HYDRAULIC CONNECTIONS ..........27
INSTALLATION OF THE CONTROL ELEMENT ...............27
INSTALLATION AND REMOVAL OF THE SCREEN .........28
SET THE OVERFLOW VALVE .................................................29
COMMISSIONING ...................................................................30
Safety temperature limiter ................................................30
DISMANTLING .........................................................................31
TECHNICAL DATA / SCOPE OF DELIVERY ........................32
PERFORMANCE CURVES
Heating capacity/COP / power consumption /
Free compression, heating circuit
LWC 60 .................................................................................34
LWC 80.................................................................................35
LWC 100 ..............................................................................36
LWC 120 ...............................................................................37
DIMENSIONAL DRAWINGS .................................................38
INSTALLATION PLANS
Installation plan version 1 .................................................39
Installation plan version 2 ................................................ 40
Installation plan version 3 .................................................41
Installation plan version 4 .................................................42
Installation plan version 5 .................................................43
Installation plan version 6 ................................................ 44
HYDRAULIC INTEGRATION
Row tank ..............................................................................45
Separate buffer tank ...........................................................46
Legend Hydraulic integration ............................................47
TERMINAL DIAGRAM ............................................................ 48
CIRCUIT DIAGRAMS
LWC 60 – LWC 80 .............................................................49
LWC 100 – LWC 120 .........................................................52
EC DECLARATION OF CONFORMITY ..............................55
