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6
VBus
0
9 1
S1
S3
S4
R1
R2
S2
1.4.1 Allocation of clamps for system 1
1.4.2 Allocation of clamps for system 2
Standard solar system
with 1 store, 1 pump
and 3 sensors. When the OHQM function has
been activated, sensor S3 (top tank) has to be
used as a solar fl ow sensor. This sensor must be
mounted on the solar fl ow line as close as possi-
ble to the tank. This allows a more precise heat
quantity balancing. Solar return sensor S4 and
solar fl ow sensor S3 are used now as reference
sensors.
Solar system and heat exchange of existing
store
with 2 stores, 4 sensors and 2 pumps.
Arr 1
Arr 2
store 1
store 2
1.4 Allocation of clamps
Allocation of clamps
Symbol
Specifi cation
S1
collector sensor
S2
store sensor lower
S3
store sensor at the top
(optionally)
S4/TRF sensor for heat quantity
measurement
(optionally)
R1
solar pump
Symbol
Specifi cation
S1
collector sensor
S2
store sensor lower
S3
store sensor at the top
S4
store sensor 2
R1
solar pump
R2
pump for heat
exchange
VBus
9 10
S1
S2
S4/TRF
R1
S3
optional
OHQM
S3/TRF
Summary of Contents for 141 135
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