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Subject to change without notice | 83050700fUK – 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 .........................................................................................4
CUSTOMER SERVICE ................................................................5
WARRANTY / GUARANTEE ....................................................5
DISPOSAL ....................................................................................5
OPERATING PRINCIPLE OF HEAT PUMPS ..........................5
AREA OF USE AND
HEAT SOURCE REQUIREMENTS .....................................6
HEAT METERING .......................................................................7
OPERATION ................................................................................7
CARE OF THE UNIT ..................................................................7
MAINTENANCE OF THE UNIT ..............................................7
Cleaning and flushing unit components .............................7
MALFUNCTIONS .......................................................................8
INSTRUCTIONS FOR QUALIFIED TECHNICIANS
SCOPE OF DELIVERY ................................................................8
Main components ..................................................................9
INSTALLATION ..........................................................................9
Installation room ...................................................................9
Transport to installation location ....................................10
Installation ............................................................................10
INSTALLING THE HYDRAULIC CONNECTIONS ...........12
Safety assembly ................................................................... 13
Expansion vessel ................................................................. 13
DOMESTIC WATER HEATING ..............................................14
DOMESTIC HOT WATER TANK ..........................................14
ELECTRICAL CONNECTION WORK .................................14
FLUSHING AND FILLING THE SYSTEM .............................16
Water quality of the fill and make-up water in
water heating systems according to VDI 2035 ........16
Flush and fill the heating circuit and
the domestic hot water tank ...................................... 17
BLEEDING ..................................................................................18
INSULATING THE
HYDRAULIC CONNECTIONS .......................................19
INSTALLING THE CONTROL PANEL .................................19
INSTALLATION AND REMOVAL OF THE SCREEN .........20
SET THE OVERFLOW VALVE .................................................21
PUMP SETTINGS FOR
WWC 220HX AND WWC 280X .............................22
COMMISSIONING ...................................................................22
Safety temperature limiter ................................................23
DISMANTLING .........................................................................23
TECHNICAL DATA / SCOPE OF DELIVERY
WWC 100H/X – WWC 220H/X ....................................24
WWC 280X – WWC 440X..............................................26
PERFORMANCE CURVES
Heating capacity/COP / Power consumption /
Heat pump pressure loss
WWC 100H/X ....................................................................28
WWC 130H/X ....................................................................29
WWC 160H/X ....................................................................30
WWC 190H/X ....................................................................31
WWC 220H/X ....................................................................32
WWC 280X .........................................................................33
WWC 440X .........................................................................34
DIMENSIONAL DRAWINGS AND INSTALLATION PLANS
WWC 100H/X – WWC 220H/X
Dimensional drawings ........................................................35
Installation plan ...................................................................36
WWC 280X
Dimensional drawings ........................................................37
WWC 440X
Dimensional drawings ........................................................38
WWC 280X – WWC 440X
Installation plan ...................................................................39
HYDRAULIC INTEGRATION
WWC 100H/X – WWC 220H/X
Default ................................................................................. 40
Separate buffer tank ...........................................................41
WWC 280X – WWC 440X
Default ..................................................................................42
Separate buffer tank ...........................................................43
Legend Hydraulic integration ........................................... 44
TERMINAL DIAGRAMS
WWC 100H/X – WWC 220H/X ....................................45
WWC 280X – WWC 440X..............................................46
CIRCUIT DIAGRAMS
WWC 100H/X ....................................................................47
WWC 130H/X – 220H/X ..................................................50
WWC 280X .........................................................................53
WWC 440X .........................................................................56
EC DECLARATION OF CONFORMITY ..............................59