Lennox DC User manual

www.lennoxemea.com
BALTIC
FLEXAIR
ENERGY
AIRCOOLAIR
COMPACTAIR
FLATAIR
AQUALEAN
USER MANUAL
DC-DM-IOM-1801-E
DC & DM displays

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Summaries
1 Display ‘DC’
1.1 Introduction .................................................................................................................................2
1.2 Temperature measurement ........................................................................................................2
1.3 Quick Action.................................................................................................................................3
1.4 Presentation ................................................................................................................................6
1.5 Use ...............................................................................................................................................7
1.6 DC set in ‘Light’ mode ..................................................................................................................8
1.7 DC set in ‘Full’ mode ....................................................................................................................9
1.8 Setting Value ............................................................................................................................11
1.9 Activation level 2 .......................................................................................................................11
2 Display ‘DM’
2.1 Quick Action...............................................................................................................................12
2.2 Functionality of the DM .............................................................................................................14
2.3 Organizational screens...............................................................................................................21
3 DC, Installation
3.1 Connection.................................................................................................................................23
3.2 Ferrites Protection of Displays...................................................................................................25
3.3 Temperature Sensor ..................................................................................................................25
3.4 Configuration .............................................................................................................................25
3.5 Initialization ...............................................................................................................................26
4 ‘DM’, Installation
5.1 Connection.................................................................................................................................27
4.2 Connection on the splitter DT50................................................................................................28
4.3 Ferrites Protection of Displays...................................................................................................28
4.4 Configuration .............................................................................................................................29
5 DC-DM Communication Master/Slaves
6.1 Connection.................................................................................................................................30
7 ALARM LIST ............................................................................................................... 31

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Display ‘DC’1
1.1 Introduction
The display ‘DC’ is customized for the user.
It allows an overview of the operation of the Unit and allows access to some parameters.
Depending on the setting in the Climatic, two display configurations are possible:
•Mode ‘Light’
•Mode ‘Full’
The 'DC' is designed to be remotely connected of the Unit.
The 'DC' is equipped with a temperature sensor.
The temperature sensor allows the acquisition of room temperature to control.
1.2 Temperature measurement
All Lennox Unit comes with a temperature sensor; it must be placed in the conditioned area.
But if the 'DC' is placed in the area conditioned by the Unit, it is possible, in this case, to use the temperature
measurement of the 'DC'.

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1.3 Quick Action
1.3.1 How to See the Operation of the Unit 4 ?
Only if several units are connected to the DC.
Turn the knob to have the text ‘Unit’.
Press the knob to switch in 'Set' mode.
Turn the knob to select number 4.
Press the knob to confirm your choice
1.3.2 How to Start all Units connected at this DC ?
Press the button a few seconds.
The units can not be powered On/Off by the DC if the service display DS is connected.

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1.3.3 How to Start Unit 4 ?
Only if several units are connected to the DC.
Select the Unit 4 (see: How to See the Operation of the Unit 4 ?)
Turn the knob to have the text ‘I-O’.
Press the knob to switch in 'Set' mode.
Turn the knob to select number 1 (1 for ‘On’, 0 for ‘Off’).
Press the knob to confirm your choice
The units can not be powered On/Off by the DC if the service display DS is connected.
1.3.4 How to See the Value of the Current Setpoint Temperature ?
Turn the knob to have the text ‘Set’.
The value displayed is the temperature setpoint.

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1.3.5 How to Modify the Value of the Current Setpoint Temperature ?
Turn the knob to have the text ‘Set’.
Press the knob to switch in 'Set' mode.
Turn the knob to change the value.
Press the knob to confirm your choice

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1.4 Presentation
1.4.1 Showing
1.4.2 Buttons

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1.5 Use
1.5.1 Control operating mode.
Only for Flatair and Aqualean ranges.
Press until the desired operating mode is displayed.
Heating mode
Cooling mode
Automatic mode
1.5.2 Fan Speed Management.
Only for Flatair and Aqualean ranges.
Press to select the desired speed (min, med, max) or automatic (Auto).
Minimum speed
Median speed
Maximum speed
Automatic Speed
1.5.3 On/Off unit
By supporting a few seconds, the button you can activate or not (On/Off) the Unit connected.
If the symbol completed by the time is displayed, the Unit is stopped and the 'DC' in sleep mode.
To restart the unit, press the button a few seconds
If the DC is used with the Master/Slaves bus in this case, the 'Off' phase, stops all Rooftop connected on the Bus, 'On'
phase restarts all.

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1.5.4 Setting time
At initialization of the 'DC', the CLIMATIC are synchronized time and day of week with the clock 'DC'.
To view the clock, briefly, press the button
To set the clock press the button a few seconds
The hour value, flashes.
Turn the knob to adjust the desired value.
Press the knob to select your choice.
Then the minute value, flashes.
Turn the knob to adjust the desired value.
Press the knob to select your choice.
| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
Then the weekday value, flashes.
Turn the knob to adjust the desired value.
Press the knob to select your choice.
After a few seconds 'DC' communicates the new time to the CLIMATIC.
1.5.5 Information available
By rotating the knob you can view or modify the following values:
1.6 DC set in ‘Light’ mode
* : Unit Index selected by the ‘DC’
: Volatile temperature set point current mode (°C)
: : Indoor (Room) temperature (°C)
: Alarms code
* : Available if the option is enabled.
: Adjustable with ‘DC.
1.6.1 Unit selected
If the DC is used with the Master/Slaves bus this item can select or know the Unit Index selected by the 'DC'.