28
912.807.1 - GB
INSTALLATION AND OPERATING MANUAL
The modules are supplied standard with a
SIEMENS MEGATRON
electronic heat meter.
This device measures heat consumption in the zone controlled by the user module.
The electronic unit features an 8-digit LCD display. The 3 Vdc input voltage is provided by a lithium battery (lifetime 8
years). A button for querying the appliance is located on the front of the display. The appliance can be turned by 360° and
inclined by 90°.
The appliance display has two levels with which the following information can be shown :
r 5PUBMQPXFSDPOTVNFETJODFUIFMBTUSFBEJOHEBUF
r 4FHNFOUUFTU
r $VSSFOUDPOTVNQUJPO
r $VSSFOUáPXSBUF
r $VSSFOUEFMJWFSZUFNQFSBUVSF
r $VSSFOUSFUVSOUFNQFSBUVSF
r $VSSFOU5%FMUBCFUXFFOUIFUXPUFNQFSBUVSFT
r 0QFSBUJOHIPVSTTJODFJOJUJBMTUBSUVQ
r -BTUSFBEJOHEBUF
r -BTUZFBSTQPXFSDPOTVNQUJPO
r $IFDLDPEF
r 5PUBMQPXFSDPOTVNQUJPOTJODFJOTUBMMBUJPO
r 'BVMUTJHOBMT DPOTVMUUIFGPMMPXJOHTFDUJPO
The units of measurement are °C or K, kWh, m3/h, kW, and hours.
The display shows total heating consumption by default.
Fault signals
The appliance automatically carries out diagnostic controls and displays the faults it finds. It divides the faults into two
categories.
r 5FNQPSBSZGBVMUTUIBUEPOPUDBVTFPQFSBUJOHQSPCMFNT*OUIJTDBTFUIFEJTQMBZáBTIFTGPSTFDPOETBOEUIFOSF
-
sumes normal operation;
r .BKPSGBVMUTUIBUTUPQUIFBQQMJBODF*OUIJTDBTFUIFEJTQMBZBMUFSOBUJWFMZJOEJDBUFTUIFGBVMUDPEFBOEUIFEBUFPOO
which it appeared for the first time.
The flows metered up until that moment, remain memorised.
For further information, see the supplied
SIEMENS
instructions supplied with the meter.
18. HEAT METERING
Metering data can also be transmitted via radio to a remote reception device (Radio system expansion).
0606_1021
Figure 15: Meter display
INSTALLATION INSTRUCTIONS:
HEAT METERING
