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Subject to change without notice | 83053500oUK | ait-deutschland GmbH
Table of contents
1 About this operation manual ...................... 3
1.1 Validity ....................................................... 3
1.2 Reference documents ............................... 3
1.3 Symbols and markings .............................. 3
1.4 Contact ...................................................... 4
2 Safety ............................................................... 4
2.1 Proper use ................................................. 4
2.2 Personnel qualifications ............................ 4
2.3 Personal protective equipment ................. 4
2.4 Residual risks ............................................ 4
2.5 Disposal .................................................... 5
2.6 Avoid damage to property ......................... 5
3 Description ...................................................... 6
3.1 Condition on delivery ................................ 6
3.2 Design ....................................................... 6
3.3 Functionally necessary accessories ......... 7
3.4 Additional accessories .............................. 7
3.5 Function .................................................... 7
4 Operation and care ....................................... 7
4.1 Energy and environmentally aware
operation ................................................... 7
4.2 Care .......................................................... 7
5 Delivery, storage, transport and
installation
....................................................... 8
5.1 Scope of supply ........................................ 8
5.2 Storage ...................................................... 8
5.3 Unpacking and transport ........................... 8
5.4 Installation ................................................. 9
5.5 Installation with a wall bracket .................. 9
5.6 Installation on a floor bracket .................... 9
5.7 Opening and closing the device .............. 10
6 Installation of hydraulic system ................ 10
6.1 Condensate drain ................................... 10
6.2 Connection to the heating circuit .............11
6.3 Pressure safety ....................................... 12
7 Electrical installation ................................... 12
8 Flushing, filling and venting ...................... 13
8.1 Heating water quality .............................. 13
8.2 Flushing, filling and venting the heating
circuit ....................................................... 13
9 Insulation of hydraulic connections ........ 13
10 Overflow valve ............................................. 14
11 Commissioning ............................................ 14
12 Maintenance ................................................. 14
12.1 Basic principles ....................................... 14
12.2 Maintenance after commissioning .......... 15
12.3 Maintenance as required ........................ 15
12.4 Cleaning and flushing the condenser ..... 15
12.5 Annual maintenance ............................... 16
13 Malfunctions ................................................. 16
14 Dismantling and disposal .......................... 16
14.1 Dismantling ............................................. 16
14.2 Disposal and recycling ............................ 16
Technical data / scope of supply .................... 17
LWD 50A, LWD 70A ......................................... 17
LWD 90A .......................................................... 18
LWD 50A/RX, LWD 70A/RX ............................ 19
Performance curves .......................................... 20
LWD 50A Heating mode ................................... 20
LWD 70A Heating mode ................................... 21
LWD 90A Heating mode................................... 22
LWD 50A/RX Heating mode ............................ 23
LWD 50A/RX Cooling mode ............................ 24
LWD 70A/RX Heating mode ............................ 25
LWD 70A/RX Cooling mode ............................ 26
Dimensional drawings ....................................... 27
Installation plans ................................................. 28
Wall bracket ..................................................... 29
with wall duct ................................................ 29
with hydraulic connection line ...................... 30
Floor bracket ................................................... 31
with wall duct ................................................ 31
with hydraulic connection line ...................... 32
Drill template for wall bracket ........................... 33
with wall duct ................................................ 33
with hydraulic connection line ...................... 34
Foundation for V3
with wall duct ........................................... 35
Foundation for V4
with hydraulic connection line ................. 36
Open field installation ....................................... 37
Minimum clearances ........................................ 38
Condensate line .................................................. 39
External condensate line connection ............... 39
Internal condensate line connection ................ 39
Coastal installation ............................................. 40
Circuit diagrams .................................................. 42
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