Jung TRDA523028 Series, TRDLS923028 Series, TRDA523048 Series, TRDLS923048 Series Operating Instructions Manual
Temperature controller fan coil, 2-/4-pipe
Temperature controller fan coil, 2-pipe
Art. No. : TRDA523028..
Temperature controller fan coil, 2-pipe
Art. No. : TRDLS923028..
Temperature controller fan coil, 4-pipe
Art. No. : TRDA523048..
Temperature controller fan coil, 4-pipe
Art. No. : TRDLS923048..
Operating instructions
1 Safety instructions
Electrical devices may only be mounted and connected by electrically skilled
persons.
Serious injuries, fire or property damage possible. Please read and follow manual fully.
These instructions are an integral part of the product, and must remain with the end
customer.
2 Function
Intended use
- Switching and operating electrical fan coil units with electrothermically actuated
heating/cooling valves
- Measurement and feedback control of the room temperature
- Installation in appliance box according to DIN 49073
Product characteristics
- Connection of one fan coil unit with up to 3 fan stages
- Operating modes for heating, cooling or combined heating/cooling operation
- Variants for 2-pipe or 4-pipe operation
- 8 capacitive sensor buttons
- Internal temperature sensor
- Room temperature controller function
- Preselection of the current energy level through the option of 5 temperature profiles for use
in hotels or similar sites
- Display for indication of temperature (°C or °F), fan level, operating mode/profile
- Menu levels blockable
- 1 status LED (red/green/blue)
- Brightness and contrast adjustable
- Switch-off time of the display illumination up to 120 seconds
- Extension input to the connection of, e.g. hotel card switch (see accessories)
3 Operation
Setpoints for room temperature and fan stage – Profiles
The selection of the current setpoints for room temperature and fan stage is based on so-called
profiles that are specified by the user on site. The following situations are covered, e.g.:
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Figure 1: Temperature setpoints for heating and cooling for the individual profiles
- "Comfort" profile:
The hotel room is occupied, the hotel guest is present. The room temperature is set to a
comfortable value.
- "Comfort–" profile ƕ (if a hotel card switch is installed):
The hotel guest is not present. The setpoints are set to an energy saving level; the values
of the "Comfort" profile can be reached quickly.
As soon as a hotel guest inserts the hotel card into the available hotel card switch, the
controller switches to the "Comfort" profile.
- "Eco" profile Ɣ:
It is night, the controller controls the connected fan coil units and puts them into an energysaving and silent operation.
- "Standby" profile Ɠ:
Currently the room is not in use. The energy level is set such that only minimum heating/air
conditioning costs are incurred by the owner.
- "Building Protection" profile Ɩ:
When the environment raises or lowers the room temperature to a level that could damage
the building, the controller automatically activates the building protection operation. The
setpoint temperatures are permanently set (heating: + 7 °C; cooling: +45 °C).
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Temperature controller fan coil, 2-/4-pipe
Operating elements
Figure 2: View
(1) Temperature setpoint adjustment ‰ƞ / ‰Ɵ
(2) Manual setting of the fan stage şƞ / şƟ
(3) Status LED
(4) Switchover to the Eco Ɣ profile
(5) Fan stage automatic mode ƪ
(6) Switchover to the Standby Ɠ profile
(7) Switchover of the temperature display Celsius/Fahrenheit °C/°F
Operating modes and display icons
The device compares the current room temperature with the setpoint temperature and controls
heating or cooling devices according to the current demand. The setpoint temperature depends
on the currently set profile and can be changed by the user, depending on the setting. The
current operating state is displayed.
Icon Meaning
No icon Comfort profile
ƕ Comfort– profile
Ɣ Eco profile
Ɠ Standby profile
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Ɩ Building Protection profile
Ť Heating
ŵ Cooling
‰ Setpoint temperature
ş Manual fan level
ƪ Automatic fan level
Status LED
The status LED shows the current operating mode of the controller or the actuation of the
sensor buttons or both.
LED colour Profile
Green or off Comfort, comfort–, eco
Red or off Standby, building protection
Green flashing signals actuation of the sensor buttons.
Operating level and menu levels
The current profile with setpoints for room temperature and fan stage is preselected on the
operating level. In addition, for the "Comfort" profile the setpoints can be manually corrected
temporarily.
The menu levels define the setpoints for the individual profiles and further settings for operation.
Operating level
- Increase setpoint temperature: press sensor button ‰ƞ.
- Reduce setpoint temperature: press sensor button ‰Ɵ.
- Increase fan stage: press sensor button şƞ.
- Reduce fan stage: press sensor button şƟ.
- Set automatic fan stage: press sensor button ƪ.
- Switchover to Eco profile: press sensor button Ɣ.
- Switchover to Standby profile: press sensor button Ɠ.
i The profiles Eco and Standby are exited by pressing again the sensor buttons Ɣ or Ɠ.
The follow-on condition depends on whether or not the presence of persons was reported
to the controller.
Operating in the menu
o Increase value: press sensor button ‰ƞ.
o Reduce value: press sensor button ‰Ɵ.
o Select previous menu item: press şƞ sensor button.
o Select next menu item: press şƟ sensor button.
o Exit menu without saving: press sensor button ƪ (ŏ)
o Save settings and exit menu: press °C/°F sensor button (Ŏ)
Open menu level 1
Only for heating and cooling mode with manual switchover. In systems that are intended solely
for heating or cooling menu level 1 is not available.
o Press the sensor buttons ĸƟ and Ɣ between 2 and 4 seconds.
Menu level 1:
- Switchover heating mode/cooling mode
Open menu level 2
o Press the sensor buttons ĸƟ and Ɣ longer than 5 seconds.
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Menu level 2:
- Setpoint temperature Comfort heating
- Setpoint temperature Comfort cooling
- Lowering the setpoint temperature Comfort– heating
- Raising the setpoint temperature Comfort– cooling
- Setting fan stage Comfort–
- Lowering the setpoint temperature Eco heating
- Raising the setpoint temperature Eco cooling
- Setting fan stage Eco
- Lowering the setpoint temperature Standby heating
- Raising the setpoint temperature Standby cooling
- Setting fan stage Standby
- Set offset for temperature measurement
- Set display brightness
- Set display contrast
- Set display illumination duration
- Status LED: button-press indicator
- Status LED: operation indicator
- PWM cycle time
- Disable controller
- Resetting to factory setting
Setting Display Range [step width]
Setpoint temperature Comfort
heating
COMFORT
‰
+7 ... +45 °C [0.5 K]
+45 ... +110 °F [1 °F]
HEATING
Setpoint temperature Comfort
cooling
COMFORT
‰
+7 ... +45 °C [0.5 K]
+45 ... +110 °F [1 °F]
COOLING
Comfort fan stage – Is permanently set to Auto
Lowering the setpoint
temperature Comfort– heating
Raising the setpoint
temperature Comfort– cooling
Setting fan stage Comfort– COMFORT
COMFORT–
‰
HEATING
COMFORT–
‰
COOLING
ş
Lowering by
0 ... 10 K [0.5 K]
0 ... 18 °F [1 °F]
Raising by
0 ... 10 K [0.5 K]
0 ... 18 °F [1 °F]
AUTO
AUTO-1
AUTO-1-2
0
1
2
3
Lowering the setpoint
temperature Eco heating
ECO
‰
HEATING
Lowering by
0…10 K [0.5 K]
0 ... 18 °F [1 °F]
Raising the setpoint
temperature Eco cooling
ECO
‰
COOLING
Setting fan stage Eco ECO
ş
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Raising by
0…10 K [0.5 K]
0 ... 18 °F [1 °F]
AUTO
AUTO-1
AUTO-1-2
0
1
2
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Temperature controller fan coil, 2-/4-pipe
Lowering the setpoint
temperature Standby heating
STANDBY
‰
HEATING
Raising the setpoint
temperature Standby cooling
STANDBY
‰
COOLING
Setting fan stage Standby STANDBY
ş
Set offset for temperature
measurement
TEMPERATURE
‰
OFFSET
Set display brightness DISPLAY
BRIGHTNESS
Set display contrast DISPLAY
CONTRAST
Set display illumination
duration
DISPLAY
TIMEOUT
Lowering by
0…10 K [0.5 K]
0 ... 18 °F [1 °F]
Raising by
0…10 K [0.5 K]
0 ... 18 °F [1 °F]
AUTO
AUTO-1
AUTO-1-2
0
1
2
3
–12.8 ... +12.7 K [0.1 K]
–23.0 ... +22.8 °F [0.2 °F]
1 – 2 – 3
1 – 2 – 3
15 ... 120 s [1 s]
Status LED: button-press
indicator
Status LED: operation
indicator
PWM cycle time CYCLE TIME
STATUS LED Activate the function: ON
Deactivate the function: OFF
OPERATION LED Activate the function: ON
Deactivate the function: OFF
5 ... 255 min [5 min]
INTERVAL
Disable controller ACTUATOR Disable: UNLOCK
Enable: LOCK
Resetting to factory setting FACTORY RESET
CONFIRM
Cancel: ŏ
Confirm: Ŏ
4 Information for electrically skilled persons
Mortal danger of electric shock.
Disconnect the device. Cover up live parts.
4.1 Fitting and electrical connection
Mounting and connecting the device
Recommended installation height: 1.50 m.
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Temperature controller fan coil, 2-/4-pipe
Figure 3: Fitting the device
(8) Power supply unit
(9) Frame
(10) Cover
o Fan coil unit for 2-pipe operation at 2-pipe power supply unit variant(figure 4)or 4-pipe
connection(figure 5)Connecting .
o Fan coil unit for 4-pipe operation at 4-pipe power supply unit variant(figure 5)Connecting .
o Install the power supply unit (8) in the right orientation in an appliance box. Note marking
TOP .
o Fit the frame (9) onto the insert.
o Fit the cover (10) onto the insert
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Temperature controller fan coil, 2-/4-pipe
Figure 4: Connection of a 2-pipe fan coil unit with hotel card switch
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Temperature controller fan coil, 2-/4-pipe
Figure 5: Connection of a 4-pipe fan coil unit with hotel card switch
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Temperature controller fan coil, 2-/4-pipe
Figure 6: Connection of a 2-pipe fan coil unit at a 4-pipe fan coil controller
4.2 Commissioning
First steps – Configuration menu
After mounting the device has to be adapted to the system.
The configuration menu is only available on first commissioning and after resetting to factory
settings.
i Exception: Project-specific devices are preconfigured in the factory. The settings of the
configuration menu are not available for this devices.
o Switch on voltage.
The device displays the software version for 5 seconds. The device subsequently changes
into the configuration menu.
o Set the properties of input 1 for the hotel card switch:
OFF not connected
OPEN for NO contact
CLOSE for NC contact
o Set the fan coil unit type:
2 Pipes for 2-pipe system
4 Pipes for 4-pipe system
i The variants TRD..23028.. are permanently set to 2 Pipes.
o Set the function:
MODE Ť HEATING: The device only actuates heating units.
MODE ŵ COOLING: The device only actuates climate control units.
MODE ŵŤ MANUAL: The device actuates heating and climate control units. The
switchover between heating and cooling mode is carried out manually on the device.
MODE ŵŤ AUTO: The device actuates heating and climate control units and automatically
switches between heating and cooling mode.
i The Mode ŵŤ AUTO setting is only available for the TRD..23048.. variants.
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Temperature controller fan coil, 2-/4-pipe
o Set the properties of the actuators to be controlled:
VALVE OPEN for de-energised open actuators
VALVE CLOSE for de-energised closed actuators
When the settings are saved, the device exits the configuration menu. The system parameters
set there can only be changed after resetting to factory settings.
i Following the first steps it is convenient to compare the temperature measurement and to
set the cycle time if necessary. Both settings can be found on the second menu level.
Set offset for temperature measurement
By setting this parameter differences between the measured temperature value at the
installation location and the actual room temperature are offset.
o Measure the temperature in the room and note down as value T1 .
o Read the temperature measured by the device and note down as value T2 .
o Calculate the difference between both values ΔT = T1 – T2 and note it down.
o Open menu level 2.
o Open the menu page TEMPERATURE OFFSET.
o Set the difference value on the device.
5 Appendix
5.1 Technical data
Rated voltage AC 110 ... 230V~
Mains frequency 50 / 60Hz
Total power loss 0.18 ... 0.52W
Fan output ş
Output current max. 3A
Motors 230 V 690VA
Motors 110 V 300VA
Valve outputs 7
Switching current max. 250mA
Storage temperature -5 ... +45 °C
Transport temperature -25 ... +70 °C
Ambient temperature -5 ... +45 °C
Relative humidity 5 ... 95% (No moisture condensation)
Connection
single stranded 1.5mm²
Finely stranded with conductor sleeve 1.5mm²
5.2 Accessories
Key card holder RFID Art. No. ..CARDRFID..
Energy saving unit Art. No. ESU230-2
5.3 Warranty
The warranty follows about the specialty store in between the legal framework as provided for
by law.
ALBRECHT JUNG GMBH & CO. KG
Volmestraße 1
58579 Schalksmühle
GERMANY
Telefon: +49 2355 806-0
Telefax: +49 2355 806-204
kundencenter@jung.de
www.jung.de
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