Danfoss RESD-HC2 User Manual - Page 3

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7 DAYS PROGRAMMING ( -T74 )

7 days four events programming: four events each day (1, 2, 3, 4), there is starting time and programming temp for

each event. (chart.1)

Please make good plan of starting time and temp. Before 7 days programming according below:

Press " " for 3 seconds, until "PROG.", "1" and "Mon" display, set 4 events programming of Mon according Chart 1

and below steps.

"hh" flash in "hh:mm", set hours with " " and " "; Press " ", "mm" flash in "hh:mm", press " " and " "to set minutes.

Press " ", programming temp. flash, press " " or " " to set programming temp.

Press " ", set 2 - 4 events of Mon. by repeating steps above.

Week

Staring T / temp.℃

Mon.

Tue.

Wed.

Thu.

Fri.

Sat.

Sun.

Repeat above setting steps for "Tue Wed Thu Fri Sat Sun".

KEYPAD LOCK ( Option )

With thermostat standby for 30 seconds, the function will enable automatically. The " " will be displayed on the

LCD and keypads are locked for fear anyone operated.

To disable the function: Press "

AUTO RESTART ( Option )

When the thermostat is at ON status for 6 seconds, if power cut, it will return back to running automatically with the

status how it is one minute ago after power coming back.

When the thermostat is at OFF status for 6 seconds, if power cut, it will keep OFF status after power coming back.

DEFROST (Low temperature protection)

Description: when the thermostat turns off and the room temperature is lower than 5 , it will be turned on

automatically in heating mode with " " showing, thermostat will be in heat mode and fan runs in high speed. The

thermostat will turn off when temperature is higher than 7

Set low temperature protection: Turn off the thermostat, press " " and hold for 3 seconds, it will display "ON" or

"OF", Press " " or " " key to adjust. "OF" indicates invalid low temperature protection, "ON" indicates valid low

temperature protection function. The default is "OF".

ALARM

Trouble appears for sensor, fan and valve will be turned off by thermostat, as indicating " "

and "E1" or "E2".

E1: alarming for short circuit of sensor.E2: alarming for open circuit of sensor.

"HI" indicated when temp. Is more than 55 . "LO" indicated if temp. Is lower than 0 .

Staring T / temp. ℃