Functions With Dm50; Main Screen; Hour Override - Lennox BAC020SNM Installation, Operating And Maintenance

CLIMATIC 50 – ROOFTOP – VERSION 23
Sdc.2

Functions with DM50

The screens and functions of the DM50 are the same as the screens of the DC50.
A DC must be connected to one, and only one, BM50. Even if the unit is connected to the pLan bus, the screens of the
DC50 will only apply to the configured BM50.
One DM50 may be connected to 12 units with the pLan bus. The screens of the DM50 will apply to one of the BM50
alternately.
Sdm.1

Main Screen

Sdc.3

3 Hour Override

These functions can be used to override either the desired ambient temperature or the minimum air change rate for 3 hours.
Sdc.3
BALTIC R410A-IOM-0708-E
The Sdc.2 screen appears.
If after 5 seconds the display is not correct;
Return to the configuration mode by pressing buttons
least 5 seconds until the Sdc.1 screen appears.
 
to position the cursor over the 'Setting' line
Press button
 
again to position the cursor over the 'I/O board address' line
Press, the button
   
    r eplace '- -' with the address of the BM50 connected and
With the button o r

confirm with button
Then repeat the procedure "Allocation of Displays to the BM50"
On the bottom line of the BM50 the symbol '' indicates the BM50s identified on
the pLan bus (number 1 on the left, up to number 12 on the right)
A unit that is disconnected or switched off cannot be displayed by the DM50.
The number in brackets at the bottom left indicates the number of the BM50
currently connected to the DM50.
In the event of a fault on one or other of the BM50s identified, the 'Prg' button is
illuminated in red and the symbol '' for the units concerned flashes.
To display another unit from the main display, press button
On the first line, as a double display:
Ambient temperature
Fan on or off.
On the second line:
Degree of opening of the air regulator (option)
'Dyn' if the offset function of the set point as a function of the outside
temperature deviation is active.
'Fan:Auto' if the fan start/stop in the dead zone of the adjustment function is
configured.
On the third line:
Outside air temperature
Current time period (Z: A, Z: B, Z: C, Uno, Ove and BMS)
Mode of operation (Hot, Dead or Cold)
If an override is active, the time period display is alterned with the 'Der' symbol
The 'Esc' button is used to cancel the override mode.
From the main screen, press button

(Press button On the DM50)
    
simultaneously for at

.
 
or

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