DEI 758SCNE Operational Manual Download Page 1

1. CAUTION:

     

 

( Non-Condensing )

     2.3 Storage temperature

-10

60

 ,

90%RH ( Non-Condensing )

     2.4 Power supply

Power supplied by power board

DC 12V

           (If communication wire is over 100 meters, an extra power DC12V is required)
     2.5 Temperature display range

0

50

 in 0.5

 steps.

     2.6 Communication wire

2 wires(pdes) + isolated wire (connect GND), UL2464 / 24AWG

           with isolated wires.
     2.7 Communication protocol

Modbus-RTU (RS485)

     2.8 Max communication distance1200M
     2.9 Max control qty. Can control 63 sets of Pns

DEI-

     2.10 Alarm contact

buzzer

     2.11 District control Divide FCUs into 4 districts control (group control/ schedule).
                                       

DEI-201N AHU/ VAV

 can't be divided into district control. 

3. FUNCTION DESCRIPTION :

     3.1 Buttons description
           3.1.1 POWER

To switch on / off the power, set district control/ schedule of power status.

           3.1.2      

Set temp./ max limit for heating/ min limit for cooling/ room temp. 

                             calibration (0.5

) or into max limit for heating setting.

           3.1.3      

Set temp./ max limit for heating/ min limit for cooling/ room temp. 

                             
           

1.1 Please install according to the wiring diagram to avoid incorrect wiring, any improper 

           wiring or installation is beyond our warranty.           
     1.2 Please do not install it in humid environment to ensure good signal communication.
     1.3 Please use the communication wire UL2464/24AWG or 26AWG 3C communication 
           isolated wire.

2. SPECIFICATION:

     2.1 Appearance 

     2.2 Operation temperature

0

50

 , 

 90%RH 

758PN/758FPN/100A/100D/201NAHU/

                                        201NVAV

           

                           calibration (-0.5

) or into min limit for cooling setting.           

           3.1.4 IP

 & IP

To select the fan IP, or into group control status.

           3.1.5 Mode

To setup the mode of fan coil unit (in single or group), or daily schedule setting.

           3.1.6 Fan

To setup the fan speed (in single or group), or into room temp. calibration setting. 

           3.1.7 Light

To switch on/ off the LCD backlight or into parameter setting.                  

           3.1.8 Lock

To lock or unlock the panel.

     3.2 Function
           3.2.1 IP address of PN

It displays the monitored and controlled PNs' address from 01~63; 

                    displays AL or A1~ A4 for the district control; displays AC for controlling all of PNs. 
                    When icon is not illuminated, it means there is abnormal communication between SCN
                    and PN. 
           3.2.2 Power

Control the selected PN or all PNs or district PNs (schedule), power on / off 

                                  status.                   
           3.2.3 Temperature setting
                    3.2.3.1 When setting temperature, the panel shows the setpoint (it back to room 
                                temperature if the up / down buttons have not been pressed within 5 seconds). 
                                In normal situation, the display shows the room temperature of the monitored 
                                PN (icon of room temperature shows on)
                    3.2.3.2 Temperature setting range
                                heating: 0

~max limit of heating, cooling: min

                                limit of cooling ~35

 (0.5

 in step) 

                    3.2.3.3 Whenever temperature setting is adjusted (by LCN or PC), the display shows
                                the new setpoint for 5 seconds. 
           3.2.4 Mode control
                    3.2.4.1 To setup the mode status of the single PN or group PNs (Auto, cooling, fan, he  
                                ating and humidity). 
                    3.2.4.2 When changing to auto air conditioning, cooling or heating mode, fan speed 
                                will be changed to Auto.
                    3.2.4.3 When changing to fan or dehumidifying mode, fan speed will be changed to 
                                Low.
           3.2.5 Fan speed control

To setup 4 fan speeds for the single or district (all districts) PNs 

                                                    ( Auto, High, Medium and Low).   No auto speed under the fan and 

                                                      dehumidifying mode. 

           3.2.6 Lock function
                    3.2.6.1 Press Lock button, the display will show the lock icon and the sub controller
                                will be locked. To unlock the panel, press Lock button again.
                    3.2.6.2 Press Lock button within 3 seconds, the display shows LC. Under this mode, 
                                the main controller is locked; besides Power, IP selection, Light and Lock, 
                                other buttons are not available to operate. Press lock again within 3 seconds, 
                                to unlock the panel. Under group control, only setting power status.                      
                    3.2.6.3 Once setup lock from PC, the display shows LP.  Under this mode, the main 
                                controller is locked; besides Power, IP selection, Light and Lock, other buttons 
                                are not available to operate, only can be unlocked by PC operation. In Group 
                                control, only the power button is available. 
           3.2.7 Max limit heating setting

(

DEI-758FPN / 201NAHU / 201NVAV

)

                    When 

DEI-758FPN/201NAHU / 201NVAV

 in OFF status, press      for 3 seconds into 

                    max limit heating setting (show HS) and adjust by          .
                    Setting range

0

~ 35

. Under setting status, press IP 

 to into AL-HS setting. 

                    After completing setting, press Light to save or press Fan to cancel. 

                  

                -758SCNE  Operational Manual

                -758SCNE  Operational Manual

Version 02

5INSLL20503

Button description

Fan IP +1 

Fan IP -1 

 Backlight/

 confirm

To increase

temp.

To decrease

temp.

Lock /Week

Mode / Select

Fan / Cancel

3

4

2

1

5

Light

Mode

Fan

Lock

POWER

IP

IP

Power

Room Temp.
/Set Temp

IP address for 

SCN / Time

Su

Tu

Th Fr Sa

3

4

2

1

5

ON

OFF

IP address
of PN

Room Temp.

Symbol

Week

Weekday

operation

Mode

 Unit

Lock

Fan speed

Link status

LCD display

Separated line

Swing

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