25
!
For contractors
s /BSERVEALLREGULATIONSOFYOURLOCALWATERANDELECTRICITYSUPPLYCOMPANIES
s /BSERVETHETYPEPLATE
(
A
19).
s 3EE3PECIlCATION
4HESPECIlCELECTRICALRESISTANTOFTHEWATERUSEDMUSTNOTFALLBELOWTHATSTATEDONTHETYPEPLATE)NA
LINKEDWATERNETWORKOBSERVETHELOWESTELECTRICALWATERRESISTANCESEE!PPLICATIONAREAS 9OUR
WATERSUPPLYCOMPANYWILLADVISEYOUOFTHESPECIlCELECTRICALWATERRESISTANCEORCONDUCTIVITY
s )NSTALLTHEDEVICEONLYINANENCLOSEDROOMFREEFROMTHERISKOFFROST3TORETHEDEVICEINAROOMFREEFROM
the risk of frost, as water residues remain inside the device.
s 4HEPROTECTION)0HOSEPROOF CANONLYBEENSUREDWITHACORRECTLYlTTEDCABLEGROMMET
s
Water installation
:
n -ATERIALOFTHECOLDWATERLINE
Steel, copper or plastic pipework.
n -ATERIALOFTHE$(7LINE
Copper or plastic pipework*.
* The instantaneous water heater can reach operating temperatures up to 60°C. In case of faults, loads
up to 95 °C / 1.2 MPa can occur temporarily in the installation. The plastic pipework used must be suitable
for such temperatures/pressure.
s !SAFETYVALVEINTHEHOTWATERPIPEISNOTPERMISSIBLE
s .EVEROPERATEWITHPREHEATEDWATER
s .EVERUSETAPSVALVESFOROPENVENTEDEQUIPMENT
s &ORTHERMOSTATICVALVESSEE2ECOMMENDEDADJUSTMENT
s
Electrical installation:
s 5SEONLYPERMANENTLYWIREDPOWERCABLES
s 4HEEQUIPMENTMUSTBEABLETOBESEPARATEDFROMTHEPOWERSUPPLYFOREXAMPLEBYFUSESTHATDISCONNECT
all poles with at least 3 mm contact separation.
