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Technical description of the remote control

 DEI 734

The room regulating controller, the control unit for the fan air-handling compartment (fan coil, small air-handling unit).

Application area

Control of the fan air-handling compartment (fan coil, small air-handling unit) with one heating / cooling section, two-pipe system of coolant supply) directly from the treated room.

Functions

  • - Switching on (deenergizing) the air handling compartment directly from the control panel, via the DEI 734 power control unit installed on the compartment.

  • - Maintaining room air temperature in heating or cooling mode using the built-in temperature sensor.

  • - Control of two-, three-way valves on the supply lines of heat transfer medium to heat exchangers.

  • - Manual and automatic control of the fan speed of the air-handling compartment (high speed, medium, low, automatic).

  • - The function of automatic ON and OFF switching of the air-handling compartment according to the time schedule.

  • -  Active illumination of the display screen for operating modes.

Technical specifications

  • - Supply voltage ~АС 230 V ± 10%; 50 Hz.

  • - Scope of delivery: remote controller  DEI 734 a wall-mounted waybill; power control unit (installed on the control object);

  • - Inputs - external control signal.

  • - Outputs:

    • - Relay (control of two-, three-way valves) 1А/250 V АС~.

    • - Relay (fan speed control) 3х1А/250 V АС~.

  • - Temperature settings:

    • - Heat 0 С - 35 С; Accuracy ± 0,5 С.

    • - Cold 0 С - 35 С; Accuracy ± 0,5 С.

  • - Temperature indication range 0С - 50С. Step 1C.

  • - The maximum distance - the receiver-receiver of signals - 30m

The scheduling scheme for the chiller-fancoil system

 

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