Lennox DC, DM User Manual
USER MANUAL
DC & DM displays
BALTIC
FLEXAIR
ENERGY
AIRCOOLAIR
COMPACTAIR
FLATAIR
AQUALEAN
DC-DM-IOM-1801-E
www.lennoxemea.com
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
Press the button a few seconds.
How to Start all Units connected at this DC ?
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
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
How to Start Unit 4 ?
The units can not be powered On/Off by the DC if the service display DS is connected.
1.3.4
Turn the knob to have the text ‘Set’.
The value displayed is the temperature setpoint.
How to See the Value of the Current Setpoint Temperature ?
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1.3.5
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
How to Modify the Value of the Current Setpoint Temperature ?
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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
1.5.2
Only for Flatair and Aqualean ranges.
Press to select the desired speed (min, med, max) or automatic (Auto).
Minimum speed
Automatic mode
Fan Speed Management.
Median speed
Maximum speed
Automatic Speed
1.5.3
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.
On/Off unit
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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
If the DC is used with the Master/Slaves bus this item can select or know the Unit Index selected by the 'DC'.
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Unit selected
1.6.2
This item allows you to view and/or modify the control temperature required for the Unit selected.
If this point is changed, this value is used until the scheduling changes mode (Day, Day I, Day II, Night, BMS).
At each change of the mode, the CLIMATIC sets the value of this set point on the preset value in the mode concerned.
1.6.3
This item allows you to view the code of different active alarms on the Unit.
If the Unit isn't in alarm, this item is to 0.
1.6.4
This item indicates the measured air temperature in the room conditioning.
The room temperature isn't available if the CLIMATIC is configured to supply control.
Indoor (Room) temperature
Volatile Temperature set point
Alarms code
1.7 DC set in ‘Full’ mode
- : Unit Index selected by the ‘DC’
- *: On/Off of the Unit selected.
- : Predetermined temperature set point current mode (°C)
- : Volatile temperature set point current mode (°C)
- : Alarms code
-
- : Supply temperature (°C)
-
- * : Indoor (Room) humidity (%hr)
- * : Indoor (Room) Air quality (ppm)
- * : Opening of fresh air damper (%)
* : Available if the option is enabled.
: Available if the level 2 is activated.
: Adjustable with ‘DC.
* : Outdoor temperature (°C)
* : Indoor (Room) temperature (°C)
1.7.1
This item can select or know the Unit Index selected by the 'DC'.
1.7.2
If the DC is used with the Master/Slaves bus this item allows you to view and/or change the status of starting or
stopping of the Unit selected.
1.7.3
This item allows you to view and/or modify the control temperature required for the Unit selected.
If this point is changed, this value is used until the scheduling changes mode (A, B, C, D, BMS).
At each change of the mode, the CLIMATIC sets the value of this set point on the preset value in the mode concerned.
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Unit connected
On/Off, Power
Volatile Temperature set point
1.7.4 Predetermined Temperature set point
If level 2 is active, this item allows you to view and/or change the preset temperature control for the active mode.
1.7.5
This item allows you to view the code of different active alarms on the Unit.
If the Unit isn't in alarm, this item is to 0.
By this item it's possible to reset the alarm activated. To do this set the value of the item to the value 0.
1.7.6
This item indicates the measure temperature of the air outside.
The outside temperature isn't available for the WSHP range.
1.7.7
This item indicates the measure of outlet air temperature of the Unit.
1.7.8
This item indicates the measured air temperature in the room conditioning.
The room temperature isn't available if the CLIMATIC is configured to supply control.
Alarms code
Outdoor temperature
Supply temperature
Indoor (Room) temperature
1.7.9
This item shows the measured relative humidity of the air in the room conditioning.
The room humidity isn't available if the option of humidity management isn't set.
1.7.10
This item indicates the measured rate of CO² in conditioning room, in ppm.
The measurement of CO² isn't available if the option isn't set.
1.7.11
This item indicates the measured value of the opening rate of the fresh air damper, in%, (mixture of outside air and
return air)
This value is only available if the Unit is equipped with this option.
Indoor (Room) relative humidity
Measurement of CO²
Opening of fresh air damper
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1.8 Setting Value
If the value of the selected item is modified .
To activate the modified value
Press the knob .
The symbol appears on the right side of the value.
Turn the knob to adjust the desired value.
Press again on the knob to confirm your choice.
The symbol is no longer displayed on the right side of the value.
The rotation of the knob is for select a new item.
1.9 Activation level 2
(2 buttons on the right simultaneously)
Simultaneously press the keys and .
After some seconds the text appears and the value '000' flashes.
Turn the knob to change the value to select the number 066. Then validate the code by pressing the knob.
If the code is wrong access the setup menu is not possible and the 'DC' returns to the previous display.
If the code is correct the level 2 is actif, and symbol is displayed to the right of the value.
The level 2 is turned off automatically every hour.
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Display ‘DM’ 2
The display 'DM' is customized for the user.
It allows an overview of the operation of the Unit and allows access to some parameters.
The 'DM' is designed to be remotely connected of the Unit.
The 'DM' can be connected to several Lennox Units, Between 1 and 8 units
2.1 Quick Action
2.1.1 How to See the Operation of the Unit 4 ?
Press, several times, the button ‘Esc’ to display the page 'Unit'.
Press, several times, the button ‘Down’ to select number 4
Press ‘Enter’ to confirm your choice
Display for a unit to ‘On’ Display for a unit to ‘Off’
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2.1.2 How to Start Unit ?
Press ‘Prg’ to activate the setup menu
If necessary, press several times ‘Up’ or ‘Down’ to blacken the icon
Press ‘Enter’ to confirm your choice
Press ‘Up’ or ‘Down’ to change the state ‘Off’ to ‘On’
Press ‘Enter’ to confirm your choice
Press ‘Esc’ to return to the main screen
The units can not be powered On/Off by the DM if the service display DS is connected.
2.1.3
Press ‘Prg’ to activate the setup menu
If necessary, press several times ‘Up’ or ‘Down’ to blacken the icon
The value displayed is the temperature setpoint.
How to See the Value of the Current Setpoint Temperature ?
Press ‘Esc’ to return to the main screen
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2.1.4
Press ‘Prg’ to activate the setup menu
If necessary, press several times ‘Up’ or ‘Down’ to blacken the icon
Press ‘Enter’ to confirm your choice
Press ‘Up’ or ‘Down’ to change the value
Press ‘Enter’ to confirm your choice
How to Modify the Value of the Current Setpoint Temperature ?
Press ‘Esc’ to return to the main screen
2.2 Functionality of the DM
2.2.1 Selection of Unit
A DM can be connected to 8 units on the pLan bus. Screens DM connected, alternatively, to one of BM.
The next screen allows selection of the unit to display:
Each of the 8 Unit is represented by a number.
The Unit selected is indicated by its number which is framed.
Each time you press the button 'Down Arrow' connects the display on the next Unit.
Button 'Enter': Go to main screen.
Button 'Down Arrow': Select the next Unit.
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