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  2. HVAC control system - Wikipedia

    en.wikipedia.org/wiki/HVAC_control_system

    HVAC (Heating, Ventilation and Air Conditioning) equipment needs a control system to regulate the operation of a heating and/or air conditioning system. [1] Usually a sensing device is used to compare the actual state (e.g. temperature) with a target state. Then the control system draws a conclusion what action has to be taken (e.g. start the ...

  3. IBM System/360 Model 40 - Wikipedia

    en.wikipedia.org/wiki/IBM_System/360_Model_40

    The IBM System/360 Model 40 was a mid-range member of the IBM System/360 family. It was announced on April 7, 1964, shipped in 1965, and withdrawn on October 7, 1977.

  4. Direct digital control - Wikipedia

    en.wikipedia.org/wiki/Direct_digital_control

    Direct digital control is the automated control of a condition or process by a digital device (computer). [ 1 ] [ 2 ] Direct digital control takes a centralized network-oriented approach. All instrumentation is gathered by various analog and digital converters which use the network to transport these signals to the central controller.

  5. AOL Mail

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  6. Thermostat - Wikipedia

    en.wikipedia.org/wiki/Thermostat

    A digital thermostat Honeywell's "The Round" model T87 thermostat, one of which is in the collection of the Smithsonian. A touch screen thermostat An electronic thermostat in a retail store A thermostat is a regulating device component which senses the temperature of a physical system and performs actions so that the system's temperature is ...

  7. Avometer - Wikipedia

    en.wikipedia.org/wiki/Avometer

    AVOmeter model 9: Essentially similar to model 8 but with international symbols rather than letter markings for the DC and AC switches (Basic ranges to 10 A and 3000 V). 20,000 ohms/volt DC, 1000 ohms/volt AC. [22] (The features of the Models 8 and 9 were combined from the Model 8 Mark V of 1972, when the Model 9 was discontinued).

  8. Daihatsu J-series engine - Wikipedia

    en.wikipedia.org/wiki/Daihatsu_J-series_engine

    Based on the turbocharged JB-JL engine, the JC-DET engine that powered the M112S Daihatsu Storia X4 had its displacement increased to 713 cc by lengthening the stroke to 61.0 mm, making it a square engine (61.0 mm x 61.0 mm). Combined with the "turbo factor" multiplier of 1.4, this engine was perfectly suited for Japan's sub-1 liter rally class.

  9. Holden Camira - Wikipedia

    en.wikipedia.org/wiki/Holden_Camira

    The instrument panel gauges and their fascias would crack and buckle when exposed to continual sunlight and hot days, more than most makes and models. The optional alloy wheels on higher-spec models had very sharp internal surfaces, precluding the possibility of fitting inner tubes to rectify any air leaks/punctures.