SMT 400 Temperature Differential Controller

Use the key to select this window then use the keys to enable ordisable ‘Smart’ mode. (Press and hold for 3 seconds). When the Smartoption is enabled, the unit switches to Pump status 2, as long as COLL -RET > and COLL - RET < S , (see diagram below). When the Smartoption is activated, S appears on the display to the left of .Please note that the controller will operate as normal if the conditions forState 1 , State 2 and State 3 are met.5 Energy unitsA = SWIMMING POOL, B = HOT WATER TANKUse the key to select this window then press and hold the key for 5seconds to change the energy units from kWh to calories or vice versa.6 Communication LanguageUse the key to select this window then use the keys to select thecommunication language.14