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Subject to change without notice | 83054000dUK – Translation into English of the original German operating manual | ait-deutschland GmbH
Contents
INFORMATION FOR USERS AND QUALIFIED
TECHNICIANS
PLEASE READ FIRST ..................................................................2
SYMBOLS .....................................................................................2
INTENDED USE ..........................................................................4
EXCLUSION OF LIABILITY ......................................................4
SAFETY .........................................................................................4
CUSTOMER SERVICE ................................................................5
WARRANTY / GUARANTEE ...................................................5
DISPOSAL ....................................................................................5
HEAT QUANTITY RECORDING ............................................5
OPERATION ................................................................................5
CARE OF THE UNIT ..................................................................5
MAINTENANCE OF THE UNIT ..............................................6
MALFUNCTIONS .......................................................................6
INSTRUCTIONS FOR QUALIFIED TECHNICIANS
SCOPE OF DELIVERY ................................................................6
INSTALLATION AND ASSEMBLY ...........................................7
Installation location ..............................................................7
Transport to installation location ......................................7
Installation ..............................................................................7
Components of the unit ......................................................8
Installation / Hydraulic connection to heating circuit ....9
Safety component ...............................................................10
Hydraulic connection of hot water tank .........................10
Expansion vessels ................................................................10
ELECTRICAL CONNECTIONS .............................................10
RINSING, FILLING AND BLEEDING THE SYSTEM .......... 11
Rinsing, filling and bleeding the heating
and hot water circuits .................................................. 11
Rinsing, filling and bleeding the hot water tank .............13
Bleeding the circulating pump of the heating circuit ....13
INSULATING THE HYDRAULIC CONNECTIONS ..........13
SET THE OVERFLOW VALVE .................................................14
INSTALLATION OF THE CONTROL ELEMENT ...............14
INSTALLATION AND REMOVAL OF THE SCREEN .........16
COMMISSIONING ...................................................................17
DISMANTLING .........................................................................17
TECHNICAL DATA / SCOPE OF DELIVERY ........................18
POWER CURVES
Free compression
HT 1 ......................................................................................20
HT 2 ......................................................................................21
DIMENSIONAL DRAWINGS .................................................22
INSTALLATION PLAN ............................................................23
HYDRAULIC INTEGRATION
with LW 71A – LW 180A ...................................................24
Legend Hydraulic integration ............................................25
TERMINAL DIAGRAM .............................................................26
CIRCUIT DIAGRAM
HT 1 ......................................................................................27
HT 2 ......................................................................................28