JUNG TRAL241 Bedienungsanleitung
JUNG
Thermostat
TRAL241
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Room temperature controller
26.06.20201 / 50024091005
Room temperature controller
Ref.-no.: TR .. 231 ..
TR .. 241 ..
TR .. 236 ..
TR .. 246 ..
Operating instructions
1 Safety instructions
Electrical devices may only be mounted and connected by electrically skilled persons.
Serious injuries, re or property damage possible. Please read and follow manual fully.
Danger of electric shock. Always disconnect before carrying out work on the devise or load.
A relative air humidity of max. 95% may not be exceeded. Avoid any moisture condensation.
These instructions are an integral part of the product, and must remain with the end customer.
2 Structure of the device
Fig. 1: Geräteaufbau
(1) Insert
(2) Frame
(3) Cover
(4) Rocker
(5) Screw
(6) Setting knob
3 Function
Intended purpose
The room temperature controller is used to regulate the temperature in closed rooms such as ats, schools, function
suites, workshops, etc.
Product characteristics
Neutral conductor required
TR 231 U / TR 241 U:
- Separate terminal for temperature reduction of 5 K (e.g. during night time)
- ON/OFF switch with status LED
- When set temperature is reached the contact opens up.
TR 236 U / TR 246 U:
- No OFF-position
- Without switch and control LED
- When set temperature is reached the NO/NC contact switches over.
2
5
3
4
1
6
GB

Room temperature controller
26.06.20202 / 50024091005
4 Information for electrically skilled persons
Installation and electrical connection
DANGER
Electric shock from touching live parts in the installation environment.
An electric shock can be fatal.
Before working on the device, disconnect the power and cover live parts in the area.
- Mount the room temperature controller on an internal wall opposite the heat source if possible.
- Do not mount the room temperature controller on outside walls.
- Avoid draughts from windows and doors.
- Ensure that the normal air circulation in the room reaches the controller without any obstacles.
- External heat sources inuence the accuracy of the controller. Avoid direct sunlight and do not place heat-emitting
devices in the vicinity of the room temperature controller (heaters, lamps, etc.).
- Dimmers also generate heat.
If a controller is installed in a common switch frame with a dimmer, the distance between them should be as great
as possible. When arranging them vertically, the controller must be installed underneath the dimmer.
Connection
Fig. 2: TR 231 U
Fig. 3: TR 241 U

Room temperature controller
26.06.20204 / 50024091005
5 Operation
Restricting the temperature setting range
The temperature controller is set ex works to the maximum setting range of 5 °C to 30 °C.
Fig. 6: Temperature setting range
Two adjustment rings are located in the setting knob. You can use these rings to restrict the temperature setting
range required e.g. between 8 °C and 23 °C.
Procedure:
• Select the temperature limits.
Example: min 8 °C, max. 23 °C
• Important!
First position the setting knob roughly in the centre of the required setting range.
Example: The centre point between 8 °C and 23 °C is approximately 15 °C.
• Now remove the setting knob.
• Set the red locating ring to the max. temperature limit.
Example: 23 °C
• Rotate anti-clockwise.
The numbers on the outer dial apply!
• Insert the tip of a pen in the hole and turn the red ring to the left until it reaches 23 °C (max. scale).
Fig. 7: Temperature setting range max.
• Set the blue locating ring to the min. temperature limit.
Example: 8 °C
• Rotate clockwise.
The numbers on the inner dial apply.
• Insert the tip of a pen in the hole and turn the blue ring to the right until it reaches 8 °C (min. scale).
Fig. 8: Temperature setting range min.
• Clip on the setting knob.
The pointer must be roughly in the centre of the new setting range.
Example: approx. 15 °C
Produktspezifikationen
Marke: | JUNG |
Kategorie: | Thermostat |
Modell: | TRAL241 |
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