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Keyword:
W
Working Temperature Range
Working Temperature Range is the temperature range which can be attained at an ambient temperature of 20°C by the thermostat alone and with the exclusive use of electrical energy. In the case of a heating thermostat the working temperature begins above room temperature (as a result of the energy introduced by the pump and the effective insulation) and ends at the upper limit of the operating temperature. The WTR of a refrigeration thermostat begins with the lowest operating temperature of the unit and finishes with the upper temperature at which the refrigeration machine can permanently operate.