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Heat quantity measurement with xed ow rate value
The heat quantity measurement calculation (estimation) uses the difference be-
tween the ow and return temperatures and the entered ow rate (at 100 % pump
speed).
Î Adjust 1 in the channel FTYPE.
Î Read the ow rate (l/min) and adjust it in the FMAX channel.
Î Adjust the antifreeze type and concentration of the heat transfer uid in the
channels MEDT and MED%.
Note
Heat quantity measurement is not possible in systems with 2 solar pumps.
Antifreeze type:
0 : Water
1 : Propylene glycol
2 : Ethylene glycol
3 : Tyfocor
®
LS / G-LS
Heat quantity measurement with V40 owmeter:
The heat quantity measurement uses the difference between the ow and return
temperatures and the ow rate transmitted by the owmeter.
Î Adjust 2 in the channel FTYPE.
Î Adjust the antifreeze type and concentration of the heat transfer uid in the
channels MEDT and MED%.
HQM sensors
The ow sensor as well as the return sensor can be selected for heat quatity
measurement.
Î In the channel SFHQM select the ow sensor.
Î In the channel SRHQM select the return sensor.
SENS 20
PUSH
SEN 1 (…4) / Sensor type
Sensortyp
Selection: Pt1000, KTY, Pt500
Factory setting: Pt1000
VIMP
Impulse rate of the V40
Adjustment range: OFF,
0.5 … 100.0 l/imp
Factory setting: OFF
20
Temperature sensors
The sensor type can be selected for the sensor inputs S1 to S4.
The impulse rate can be adjusted for the sensor input V40.
OFF V40
BACK
PUSH
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