Caleffi solar iSolar 3 User Manual - Page 5
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1.2.1
Allocation of clamps for system 1
Arr 1
S1
R1
S4 / TRF
1.2.2 Allocation of clamps for system 2
Arr 2
S1
R1
S4 / TRF
Standard solar system with 1 tank, 1 pump and 3 sen-
sors. The sensor S4 / TRF can optionally be used for heat
quantity balancing.
S3
S2
Solars ystem and after-heating with 1 tank, 3 sensors
and after-heating. The sensor S4 / TRF can optionally be used
for heat quantity balancing.
S3
R2
S2
Symbol
Specification
S1
Collector sensor
S2
Tank sensor below
S3
Tank sensor at the top
(optionally)
S4 / TRF
Sensor for heat quantity
measurement (optionally)
R1
Solar pump
Symbol
Specification
S1
collector sensor
S2
tank sensor below
S3
tank sensor at the top
S4 / TRF
sensor for heat quantity
balancing (optionally)
R1
solar pump
R2
pump for heat exchange
5
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