Beko BUDL 700 Specifications download pdf (Page 28)

Technical description

28 DRYPOINT

RS 15 – 1700 HP50 NA

5.19. DMC15 Electronic Instrument (Air Dryer Controller)

set

Button -

access the set-up.

Button -

value increment.

Green LED -

glowing = power on.

Yellow LED -

Not used

Yellow LED -

glowing = condenser fan on.

DMC15

sec - min

set

DISPLAY

The DMC15 electronic controller performs the following functions : it shows the current operating DewPoint through the

digital led display which is detected from the (T1) probe located at the end of the evaporator, while a second (T2) probe,

located on the discharge side of the condenser, activates the relevant fan.

OPERATION - During the dryer operation, the LED is on.

Thermometer

The 10 LED display indicates the current operating DewPoint, shown by means of a two colours (green

- red) bar over the display itself.

•

Green section - operating conditions ensuring an optimal DewPoint;

•

Red section - DewPoint of the dryer too high, the dryer is working with elevated thermal load (high inlet air

temperature, high ambient temperature, etc.). The treatment of the compressed air may be improper.

Too high DewPoint temperature, value exceeding the upper limit of the instrument range, is indicated by the intermittent

flashing of the last LED; whereas the intermittent flashing of the first LED shows too low DewPoint temperature.

A possible (T1) probe failure is indicated by the intermittent flashing of the first and last LED of the display, whereas the

dryer keeps on working correctly.

Thermostat - The fan condenser is activated when the condensate temperature reaches or exceeds 95°F (35°C)

(FANON) - LED on - and it is deactivated when the temperature goes down to 86°F (30°C) (FANON - Hys) - LED

off. In case of (T2) probe failure, the fun will run continuously and the LED will intermittent flash.

SET-UP - The DMC15 is adjusted during the final test of the dryer. In case of particular requirements concerning the

operation management, the user can change the setting of the programmed parameters.

The parameters which can be set up are the following :

•

FANON - activation temperature of condenser fan. It is adjustable inside the following range of values, with step of

1.8°F (1°K); whereas the Hys hysteresis is fixed and equal to -9°F (-5ºK).

•

TON – Not used

•

TOFF - Not used

To access the set-up, keep the button

set

pressed for at least 2 seconds; LED flashing confirms the

command. First appears the (FANON) parameter; to access the other parameters, press sequentially the

set

button.

To change the value of the selected parameter, keep the

set

button pressed and operate on button ; the

current value is shown on the LED display. For the value range and the resolution (value of each single LED), see the

following table :

Parameter

Description Display Value range Resolution Set

value

FANON

Activation temperature of

condenser fan

Synchronous flashing

LED + LED

(87.8 … 104 °F)

(31 … 40 °C)

1.8°F

1°K

95 °F

35°C

TON Not used

Synchronous flashing

LED + LED

1 - 10 sec 1 sec -

TOFF Not used

Non-Synchronous

flashing

LED + LED

1 - 10 min 1 min -

To exit the set-up condition in any moment, press the

button. If no operations are performed for 2 minutes, the

system automatically exits the set-up condition.

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Beko BUDL 700 Specifications Page 28

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