Geco GH20SB - Scheme 11 - Two Solar Heaters, Three-way Valve, Circulation Pump; Scheme 12 - Two Solar Heaters, Two Collector Pumps, Circulation Pump

GH20SB – User Manual PAGE 32
6.11. Scheme 11 – a system with a three-way valve for domestic hot water heating in two solar
heaters with additional control of a circulation pump.
Output Device connected
O1 Collector pump P
O2 Valve U
O3 Circulation pump C
Sensor Description
T1 Collector sensor (Required)
T2 Tank sensor (Required)
T3 Sensor for calculating power/energy (Optional)
T4 Tank sensor (Required)
6.12. Scheme 12 – a system with two collector pumps for domestic hot water heating in two solar
heaters with additional control of a circulation pump.
Output Device connected
O1 Collector pump P
O2 Collector pump K
O3 Circulation pump C
Sensor Description
T1 Collector sensor (Required)
T2 Tank sensor (Required)
T3 Sensor for calculating power/energy (Optional)
T4 Tank sensor (Required)