76
925.523.1 - EN
INSTRUCTIONS FOR FITTERS
28. ELECTRICAL CONNECTIONS TO A ZONE HEATING SYSTEM
$POOFDUUIFDPOUBDUSFMBUJWFUPIFBUJOHSFRVFTUTJO[POFTUIBUBSFOPUDPOUSPMMFECZUIFSFNPUFDPOUSPMEFWJDFJOQBSBMMFM
UPUFSNJOBMTi
TA
uPOUFSNJOBMCPBSE
M1
JOàHVSF
5IF[POFDPOUSPMMFECZUIFSFNPUFDPOUSPMEFWJDFJTNBOBHFECZUIF[POFTPMFOPJEBTJMMVTUSBUFEJOàHVSF
5IF%)8DJSDVJUDBOCFDMFBOFEXJUIPVUSFNPWJOHUIFXBUFSXBUFSIFBUFYDIBOHFSJGUIFBTTFNCMZJTàUUFEXJUIUIFTQFDJBM
UBQ BWBJMBCMFPOSFRVFTUMPDBUFEPOUIF%)8PVUMFU
5PDMFBOQSPDFFEBTGPMMPXT
r5VSOPGGUIF%)8JOMFUUBQ
r%SBJOUIF%)8TZTUFNCZPQFOJOHBIPUXBUFSUBQ
r5VSOPGGUIF%)8PVUMFUUBQ
r6OTDSFXUIFUXPTUPQDPDLT
r3FNPWFUIFàMUFST
*GUIFTQFDJBMUBQJTOPUTVQQMJFEEJTNPVOUUIFXBUFSXBUFSIFBUFYDIBOHFSBTEFTDSJCFEJOUIFOFYUTFDUJPOBOEDMFBOJU
TFQBSBUFMZ3FNPWFUIFTDBMFGSPNUIFTFBUBOESFMBUJWF/5$TFOTPSàUUFEPOUIF%)8DJSDVJU
5PDMFBOUIFFYDIBOHFSBOEPS%)8DJSDVJUVTF$JMMJU''8"-PS#FODLJTFS)'"-
29. REMOVING SCALE FROM THE DHW CIRCUIT
5IF TUBJOMFTT TUFFM QMBUFUZQF XBUFSXBUFS IFBU FYDIBOHFS JT FBTJMZ EJTBTTFNCMFE XJUI B TDSFXESJWFS CZ PQFSBUJOH BT
EFTDSJCFECFMPX
r ESBJOUIFTZTUFNKVTUUIFCPJMFSJGQPTTJCMF
through the drain tap
r ESBJOUIF%)8TZTUFN
r SFNPWFUIFUXPTDSFXTBUUIFGSPOUTFDVSJOHUIFXBUFSXBUFSIFBUFYDIBOHFSBOEQVMMJUPVU àHVSF
30. DISMOUNTING THE WATER-WATER HEAT EXCHANGER
Figure 19
3&.05&$0/530-
6/*5
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;0/&
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@$(@
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