... 3950for tank, sensor temperature≤135,PVC cable≤1058. Outputs: 5 outputs, one for electrical booster, 4 for circulation pump ( ... 8 system available)System1: 1 collector array 1 storage tank 1 pumpSystem2: 1 collector array 2 storage tanks 2 pumpsSystem3: ... Maximum tank temperature (protection of tank at high temperature)5. Maximum collector temperature (collector cooling function)6. Collector emergency ...