Stiebel Eltron LWZ-W 450 Premium Manuel D'utilisation Et D'installation page 36

Table of contents
1 Special information ................................................... 37
2 General information.................................................. 37
2.1 Symbols in this document ................................ 37
2.2 Symbols on the appliance................................. 37
2.3 Units of measurement ...................................... 37
2.4 Test mark ......................................................... 37
2.5 Standardised output data ................................. 37
2.6 Target groups................................................... 37
3 Safety........................................................................ 37
3.1 Structure of the warning notices....................... 37
3.2 Intended use .................................................... 38
3.3 Foreseeable misuse.......................................... 38
3.4 Safety instructions ............................................ 38
3.5 Operation of the appliance in buildings with
combustion equipment (qualified contractors).. 38
3.6 EU Declaration of Conformity............................ 39
4 Appliance description................................................ 39
4.1 Standard delivery ............................................. 39
4.2 Accessories ...................................................... 39
4.3 Function description......................................... 39
4.4 WLAN ............................................................... 40
5 Transportation (qualified contractors) ....................... 40
6 Installation (qualified contractors)............................. 40
6.1 Installation site................................................. 40
6.2 Mounting the appliance ................................... 41
6.3 Connecting the condensate hose ...................... 41
6.4 Conversion between right-hand/left-hand ver-
sions ................................................................ 42
6.5 Fitting the programming unit from the appli-
ance to the wall (optional)................................ 46
6.6 Fitting the front casing ..................................... 48
6.7 Air ducts .......................................................... 48
6.8 Electrical connection ........................................ 49
7 Operation.................................................................. 50
7.1 Programming unit............................................ 50
7.2 Principles of operation ..................................... 50
7.3 Modes that can be set from the home screen.... 51
8 Commissioning (qualified contractors) ...................... 51
8.1 Commissioning wizard ..................................... 51
8.2 Initial start-up .................................................. 51
8.3 Recommissioning............................................. 52
9 Commissioning ......................................................... 52
9.1 Pairing the ventilation unit with the app........... 52
10 Settings..................................................................... 52
10.1 Menu ............................................................... 52
10.2 Disconnecting from network............................. 54
36 | LWZ-W 450/600 Premium
11 Settings (qualified contractors) ................................. 54
11.1 Menu............................................................... 54
12 Cleaning................................................................... 57
12.1 Cleaning the casing top ................................... 57
13 Cleaning (qualified contractors)................................ 57
13.1 Cleaning the cross-countercurrent heat ex-
changer ........................................................... 57
13.2 Cleaning the fan units...................................... 57
13.3 Cleaning the preheating coil ............................ 59
13.4 Refitting the components ................................. 59
13.5 Checking and cleaning the air ducts................. 59
14 Maintenance ............................................................ 60
14.1 Filter ............................................................... 60
14.2 Checking the condensate drain ........................ 60
15 Troubleshooting ....................................................... 60
16 Troubleshooting (qualified contractors) .................... 61
16.1 Sensor resistance values.................................. 61
17 Shutdown (qualified contractors) .............................. 62
18 Dismantling (qualified contractors)........................... 62
19 Specification............................................................. 63
19.1 Dimensions and connections............................ 63
19.2 Wiring diagram ............................................... 64
19.3 Data table........................................................ 65
20 Guarantee ................................................................ 66
21 Environment and recycling ....................................... 66
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