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ECOTRONIC Plus
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ONIC Plus.monen.ind
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4.3 Menu: Heat quantity measurement
WMZ/Options/WMZ 1 (2, Module)
selection: “Yes“, “No“
factory setting: “No“
WMZ/WMZ 1 (2)/ Expert/flowmeter
Selection: “Yes“, “No“
factory setting: “No“
WMZ/WMZ 1 (2)/Expert/Sen. flow
adjustment range: 1 ... 14
factory setting: 9 (11)
WMZ/WMZ 1 (2)/Expert/Sen. return
adjustment range: 1 ... 14
factory setting: 10 (12)
The controller has two separate integrated calorimeters
which can be configured with or without flowmeter V40.
Furthermore, the values of a separate WMZ module can
be displayed.
Allocate the sensors.
Factory settings are as shown – but other sensors can be
allocated without influencing their orginal function in the
system. E.g. the collector sensor could be used for the flow
sensor if desired
The heat quantity measurement calculation uses the diffe-
rence between flow and return temperature and the user
entered flow rate. The flow rate should be read from the
window of the flow setter at 100 % pump speed. Heat quan-
tity measurement is carried out when the output selected
in the “relay“ menu is active..
Heat quantity measurement without flowmeter
V40
set
WMZ/Options/WMZ 1 (2)
to
“Yes“ and
WMZ/WMZ 1 (2)/Expert/Flowmeter
to “No“
WMZ/WMZ 1 (2)/Expert/Flow
adjustment range: 1,0 ... 50,0 l
factory setting: 3,0 l
WMZ/WMZ 1 (2)/Expert/relay
adjustment range: 1 ... 9
factory setting: 1
The heat quantity measurement calculation uses the diffe-
rence between flow and return temperature and the volume
flow transmitted by the flowmeter V40.
Adjust the pulse rate corresponding to the flowmeter V40
used (See the flag on the V40 cable):
V40-06: 1 litre/pulse
V40-15: 10 litres/pulse
others: 25 litres/pulse
Heat quantity measurement with flowmeter
V40
set
WMZ/Options/WMZ 1 (2)
to“Yes“
and
WMZ/WMZ 1 (2)/Expert/Flowmeter
to
“Yes“
WMZ/WMZ 1 (2)/Expert/Vol./puls.
adjustment range: 1 ... 99 (liter/pulse)
factory setting: 1 (liter/pulse)
Antifreeze type
WMZ/WMZ 1 (2)/Expert/antifreeze type
selection: 0,1, 2, 3
factory setting: 1
Adjustment channel to ensure the contoller uses the cor-
rect specific heat capcacity for the heat transfer fluid used
0 for water
1 for propylene glycol
2 for ethylene glycol
3 for Tyfocor
®
LS
Antifreeze
WMZ/WMZ 1 (2)/Expert/antifreeze
adjustment range: 20 ... 70 Vol %
factory setting: 40 Vol %
Adjustment channel for the concentration water/ glycol
for antifreeze types 1 and 2.
Heat quantity
WMZ/WMZ 1 (2)/heat
The overall heat quantity results from the sum of the values
in Wh, kWh and MWh.
The different values can be reset to 0. To reset, select the
desired value and answer the security prompt “Save?“ with
“No“.
