HmIPeTRV2 - Thermostat Homematic IP - Free user manual and instructions
Find the device manual for free HmIPeTRV2 Homematic IP in PDF.
| Product type | Programmable radiator thermostat |
| Brand | Homematic IP |
| Model | HmIPeTRV2 |
| Power supply | 2 LR6/Mignon/AA batteries (1.5 V) |
| Dimensions (W x H x D) | 58 x 71 x 97 mm |
| Weight (with batteries) | 205 g |
| Protection type | IP20 |
| Ambient temperature | 0 to 50 °C |
| Radio frequency band | 868.0-868.6 MHz / 869.4-869.65 MHz |
| Max. radio transmission power | 10 dBm |
| Duty cycle | < 1% per hour / < 10% per hour |
| Valve connection | M30 x 1.5 mm |
| Max. current draw | 120 mA |
| Battery life (typical) | 2 years |
| Main functions | Time scheduling, 3 heating profiles, up to 6 phases/day, Boost function, manual/auto mode, lock, open window detection, automatic adaptation run |
| Care and cleaning | Clean with a soft, dry, lint-free cloth. No solvents. Replace batteries if necessary. |
| Safety | Do not open, use in dry environment, do not expose to moisture, non-rechargeable batteries, keep out of reach of children. |
| Spare parts and repairability | Danfoss adapters (RA, RAV, RAVL) included. Maintenance by qualified personnel. Factory reset possible. |
| General information | Compatible with Homematic IP system, setup via smartphone app, HmIP communication, QR code. |
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USER MANUAL HmIPeTRV2 Homematic IP
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2.10°C MANU homematic®
Installation and operating manual

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VALVE install VALVE adapt 88.8 MANU BOOST °C lock (t) (w)Abbildung 2
5 Allgemeine
Systeminformationen
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Line drawing of a hand holding a cylindrical device (no text or symbols)Abbildung 3
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Technical line drawing of a mechanical device with a labeled component (R) and internal structure (no text or symbols beyond label)Abbildung 9
6.3 Adaptierfahrt

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1 Package contents....18
2 Information about this manual....18
3 Hazard information ....18
4 Function and device overview....19
5 General system information 20
6 Start-up....20
6.1 Pairing 20
6.2 Installation.... 21
6.2.1 Fitting the radiator thermostat....21
6.2.2 Adapter for Danfoss 22
6.2.3 Support ring....24
6.3 Adjustment run....24
7 Operation 24
8 Changing the batteries ....25
9 Troubleshooting....26
9.1 Weak batteries....26
9.2 Command not confirmed 27
9.3 Duty cycle 27
9.4 Error codes and flashing sequences 28
10 Restoring factory settings 29
11 Maintenance and cleaning 29
12 General information about radio operation 29
13 Disposal.... 30
14 Technical specifications....31
1 Package contents
1x Radiator thermostat
3x Danfoss adapters (RA, RAV and RAVL)
1x Danfoss RAV spigot extension
1x Support ring
1x Nut M4
1x Cylinder head screw M4 x 12 mm
2x 1.5 V LR6/Mignon/AA batteries
1x Operating manual
2 Information about this manual
Please read this manual carefully before operating your Homematic IP components. Keep the manual so you can refer to it at a later date if you need to. If you hand over the device to other persons for use, please hand over this manual as well.
Symbols used:

Important! This indicates a hazard.

Please note: This section contains important additional information!
3 Hazard information

Do not open the device. It does not contain any parts that can be serviced by the user. In the event of an error, please have the device checked by an expert.

For safety and licensing reasons (CE), unauthorised changes and/or modifications to the device are not permitted.

The device may only be operated in dry and dust-free environment and must be protected from the effects of moisture, vibrations, solar or other methods of heat radiation, cold and mechanical loads.

The device is not a toy: do not allow children to play with it. Do not leave packaging material lying around. Plastic films/bags, pieces of polystyrene, etc., can be dangerous in the hands of a child.

We do not assume any liability for damage to property or personal injury caused by improper use or the failure to observe the hazard information. In such cases, all warranty claims are void. We accept no liability for any consequential damage.

The device is only suitable for use in residential environments.

Using the device for any purpose other than that described in this operating manual does not fall within the scope of intended use and will invalidate any warranty or liability.
4 Function and device overview
With the Homematic IP Radiator Thermostat you can conveniently regulate the room temperature with the Homematic IP smartphone app by means of individually tailored heating phases. According to your personal needs, you can create three different heating schedules with up to 6 heating phases per day.
In the climate control solution, the radiator thermostat can simply be paired with the Homematic IP Access Point. In combination with the Homematic IP Window / Door Contact, for example, the temperature is automatically reduced during ventilation. For precise regulation of the room temperature, the Homematic IP Wall Thermostat with humidity sensor can measure the actual temperature of a room and transmit the data to the radiator thermostat. This ensures that the temperature is measured at the right place in the room.
The radiator thermostat fits all common radiator valves and is easy to install - without having to drain any water or intervene in the heating system. With the additional boost function, the radiator can be quickly heated by opening the valve.
Device overview:
(A) Metal nut
(B) Display
(C) System button (pairing button and LED)
(D) battery compartment cover
(E) Control wheel/boost button

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A B C D EFigure 1
Display overview:
VALVE Install VALVE adopt Valve information
°C Setpoint temperature
MANU Manual mode
BOOST Boost mode
Operating lock
Open-window symbol
Wireless transmission
Battery symbol

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VALVE install VALVE adapt 8.8.8 °C I (°) MANU BOOSTFigure 2
5 General system information
This device is part of the Homematic IP climate control solution and works with the HmlP radio protocol. All devices of the climate control solution can be configured conveniently and individually with a smartphone via the Homematic IP App. The available functions provided by the Homematic IP system in combination with other components are described in the Homematic IP User Guide. All current technical documents and updates can be found at www.homematic-ip.com.
6 Start-up
6.1 Pairing

Please read this entire section before starting the pairing procedure.

First set up your Homematic IP Access Point using the Homematic IP App so that you can use other Homematic IP devices in the system. For further information, please refer to the Access Point operating manual.
To integrate the radiator thermostat into your system and enable it to communicate with other Homematic IP devices, you must first pair it with your Homematic IPAccess Point.
To pair the radiator thermostat, please proceed as follows:
- Open the Homematic IP App on your smartphone.
- Select "Pair device".
- Remove the insulation strip from the battery compartment (D) of the radiator thermostat. Pairing mode is active for 3 minutes.

You can manually start pairing mode for another 3 minutes by briefly pressing the system button (C).

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Line drawing of a hand holding a cylindrical device (no text or symbols)Figure 3
- Your device will automatically appear in the Homematic IP App.
- To confirm, please enter the last four digits of the device number (SGTIN) in your app or scan the QR code. The device number can be found on the sticker contained in the package contents or attached to the device.
- Wait until pairing is complete.
- If pairing was successful, the LED lights up green. The device is now ready for use.

If the LED lights up red, please try again.
- Select the desired solution for your device.
- In the app, give the device a name and allocate it to a room.
6.2 Installation

Please read this section completely before starting the installation process.
The Homematic IP Radiator Thermostat is easy to install, and requires no draining of heating water or intervention in the heating system. No special tools are required, nor does the heating have to be switched off.
The metal nut attached to the radiator thermostat can be used universally and without accessories for all valves with a thread size of M30 x 1.5 mm from leading manufacturers such as
- Heimeier
• MNG - Junkers
- Landis&Gyr (Duodyr)
• Honeywell-Braukmann - Oventrop
- Schlösser
- Comap
- Valf Sanayii
- Mertik Maxitrol
- Watts
• Wingenroth (Wiroflex)
• R.B.M - Tiemme
- Jaga
- Siemens
- Idmar
Using the adapters supplied, the device can also be installed on Danfoss RA, Danfoss RAV and Danfoss RAVL radiator valves(see „6.2.2 Adapter for Danfoss" on page 22).
6.2.1 Fitting the radiator thermostat

In case of visible damage to the existing thermostat, valve or heating pipes, please consult a specialist.
Remove the old thermostatic head from your radiator valve.
- Rotate the thermostatic head to the maximum value (N) (anticlockwise). The thermostatic head then no longer presses against the valve spindle, making it easier to remove.

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O N PFigure 4
The thermostatic head may be held in place in various ways:
- Union nut: Unscrew the union nut in an anticlockwise direction (O). The thermostatic head can then be removed (P).
- Snap-on fastenings: Thermostatic heads that are fastened in this way can be detached by turning the fastener/union nut slightly in anticlockwise direction (O). The thermostatic head can then be removed (P).
- Clamp fittings: The thermostatic head is held in place by a mounting
ring, which is held together with a screw. Loosen this screw and remove the thermostatic head from the valve (P).
- Threaded connection with set screw: Loosen the set screw and remove the thermostatic head (P).
After removing the old thermostatic head you can install the Homematic IP Radiator Thermostat with the metal nut (A) on the radiator valve.

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Line drawing of a hand holding a cylindrical device with a handle, no text or symbols presentFigure 5 If required, you can use one of the adapters for Danfoss valves (see „6.2.2 Adapter for Danfoss“ on page 22) or the support ring supplied (see „6.2.3 Support ring“ on page 24).
6.2.2 Adapter for Danfoss
One of the adapters supplied is required to attach to Danfoss valves. The assignment of the suitable adapter to the relevant valve is shown in the following illustrations.

Please be careful not to trap your fingers between the two halves of the adapter!
The RA and RAV adapters have been manufactured with pre-tension for a better fit. Use a screwdriver during installation if necessary, and bend it open slightly in the vicinity of the screw.
Danfoss RA
The Danfoss valve bodies have elongated notches (1) around their circumference, which also ensure that the adapter is properly seated when it snaps on.

During installation, please ensure that the pins inside the adapter (2) are lined up with the notches (1) on the valve. Ensure that a suitable adapter for the valve is properly clipped on.
After clipping onto the valve body, please attach the adapter using the provided screw and nut.

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1 2 RAFigure 6
Danfoss RAV
The Danfoss valve bodies have elongated notches (1) around their circumference, which also ensure that the adapter is properly seated when it snaps on.

During installation, please ensure that the pins inside the adapter (2) are lined up with the notches (1) on the valve. Ensure that a suitable adapter for the valve is properly clipped on.
The lifter extension (3) must be fitted to the valve pin of RAV valves prior to installation.

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1 2 3 RAVFigure 7
Danfoss RAVL
The Danfoss valve bodies have elongated notches (1) around their circumference, which also ensure that the adapter is properly seated when it snaps on.

During installation, please ensure that the pins inside the adapter (2) are lined up with the notches (1) on the valve. Ensure that a suitable adapter for the valve is properly clipped on.
The adapter RAVL does not have to be screwed.

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1 2 RAVLFigure 8
6.2.3 Support ring
The valves from different manufacturers may have tolerance fluctuations that make the radiator thermostat more loosely seated on the valve. In this case, the support ring provided (R) should be inserted into the flange before fitting the radiator thermostat.

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Technical line drawing of a mechanical device with a cylindrical component and a labeled part R (no text or symbols beyond label)Figure 9
6.3 Adjustment run

When the batteries are inserted, the motor retracts to simplify installation. Meanwhile, "VALVE install" and the activity symbol (n) are displayed.
After the radiator thermostat has been fitted successfully, an adjustment run (VALVE adapt) must be performed to adapt the device to the valve. To do this, proceed as follows:
- As soon as "VALVE adapt" is displayed, press the control wheel/boost button (E) to start the adjustment run.

If the display backlight is off, you must press button (E) a second time to start the adjustment run.
The actuator now performs an adjustment run. "VALVE adapt" and the activity symbol (n) are displayed. During this time, no other operation is possible. After the adjustment run has been successful, the display returns to normal.

If the adjustment run has been initiated prior to fitting or if an error message (F1, F2, F3) is displayed, press the control wheel/boost button (E) and the motor reverses to the "VALVE install" position.
7 Operation
After pairing and mounting have been performed, simple operations are available directly on the device.

If the radiator thermostat is in standby mode, please press the control wheel (E) once before operation to activate the device.
- Temperature: Turn the control wheel (E) to the right or to the left to manually change the temperature of the radiator. In automatic mode, the manually set temperature will remain the same until the next point at which the schedule changes. Afterwards, the defined heating schedule will be enabled again. During manual mode, the temperature remains activated until the next manual change.
- Manual and automatic mode: Press and hold down the control wheel (E) to switch between manual and automatic mode. In automatic mode, the defined heating schedule of the Homematic IP App is
active. In manual operation, the temperature can be set directly on the device or via the app and will remain active until the next manual change.
- Boost function: Press the control wheel (E) shortly to activate the boost function for heating up the radiator quickly and briefly by opening the valve. There will be a pleasant room temperature right away because of the radiated heat.

The operating lock of the radiator thermostat can be activated and deactivated via the Homematic IP App. Tap on the menu symbol in the top left of the screen of your app and select the menu item "Device overview". Select your radiator thermostat to switch the operating lock "ON" or "OFF".
8 Changing the batteries
If the symbol for empty batteries (a) appears in the display or in the app, please replace the used batteries by two new LR6/mignon/AA batteries. You must observe the correct battery polarity.
To insert the batteries into the radiator thermostat, please proceed as follows:
- Push the battery compartment cover (D) backwards and then downwards to remove it from the device.

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Line drawing of a hand holding a cylindrical device with internal components (no text or symbols)Figure 10
- Remove the batteries.
- Insert two new 1.5 V LR6/Mignon/AA batteries into the battery compartment, making sure that you insert them the right way round as shown.

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Line drawing of a hand holding a battery pack with internal components (no text or symbols)Figure 11
- Close the battery compartment (D).
- After inserting the batteries, pay attention to the flashing sequences of the LED (see „9.4 Error codes and flashing sequences“ on page 28).
Once the batteries have been inserted, the radiator thermostat will perform a self-test (approx. 2 seconds). Afterwards, initialisation is carried out. The LED test display will indicate that initialisation is complete by lighting up orange and green.

Caution! There is a risk of explosion if the batteries are not replaced correctly. Replace only with the same or equivalent type. Never recharge non-rechargeable batteries. Do not throw the batteries into a fire. Do not expose batteries to excessive heat. Do not short-circuit batteries. Doing so will present a risk of explosion.

Caution! Avoid contact with the skin and eyes when handling leaking batteries. Wear suitable protective gloves when removing leaking batteries and residues from a device. Rinse with plenty of water in case of contact with the skin.
9 Troubleshooting
9.1 Weak batteries
Provided that the voltage value permits it, the radiator thermostat will remain ready for operation even if the battery voltage is low. Depending on the particular load, it may be possible to send transmissions again repeatedly once the batteries have been allowed a brief recovery period.
If the voltage drops too far during transmission, the empty battery symbol (a) and the corresponding error code will be displayed on the device, (see "9.4 Error codes and flashing sequences" on page 28). In this case, replace the empty batteries with two new ones (see "8 Changing the batteries" on page 25).
If an empty battery has not been recognized, the radiator thermostat moves back into a "valve error position". This avoids, that the set temperature in the room increases due to a low battery. A valve error position of 15 % is set in the factory settings.
9.2 Command not confirmed
If at least one receiver does not confirm a command, the device LED lights up red at the end of the failed transmission process. The reason for the failed transmission may be radio interference (see „12 General information about radio operation“ on page 30).
This may be caused by the following:
- Receiver cannot be reached.
- Receiver is unable to execute the command (load failure, mechanical blockage, etc.).
- Receiver is faulty.
9.3 Duty cycle
The duty cycle is a legally regulated limit of the transmission time of devices in the 868 MHz range. The aim of this regulation is to safeguard the operation of all devices working in the 868 MHz range.
In the 868 MHz frequency range we use, the maximum transmission time of any device is 1% of an hour (i.e. 36 seconds in an hour). Devices must cease transmission when they reach the 1% limit until this time restriction ends.
Homematic IP devices are designed and produced with 100% conformity to this regulation.
During normal operation, the duty cycle is not usually reached. However, repeated and radio-intensive pairing processes mean that it may be reached in isolated instances during start-up or initial installation of a system. If the duty cycle limit is exceeded, the device may stop working for a brief period. The device starts working correctly again after a short period (max. 1 hour).
9.4 Error codes and flashing sequences
| Flashing code Meaning Solution | ||
| F1 Valve drive sluggish | Please check whether the valve pin is stuck. | |
| F2 | Adjustment range too large | Please check that the radiator thermostat is fitted tightly |
| F3 | Adjustment range too small | Please check whether the valve pin is stuck. |
| Battery symbol (☐) Battery | voltage low | Replace the device batteries (see „8 Changing the batteries“ on page 25). |
| Antenna symbol (☐) flashing | Connection to Homematic IPAccess Point lost | Please check the connection to the Homematic IP Access Point. |
| Lock symbol (☐) | Operating lock activated | Deactivate the operating lock via the app. |
| Short orange flashes | Radio transmission/at-tempting to transmit/configuration data is transmitted | Wait until the transmission is completed. |
| 1x long green flash Transmission confirmed | You can continue operation. | |
| 1x long red flash | Transmission failed or duty cycle limit reached | Please try again (see „9.2 Command not confirmed“ on page 27) or (see „9.3 Duty cycle“ on page 27). |
| Short orange flashes (every 10 s) | Pairing mode active | Enter the last four digits of the device serial number to confirm (see „6.1 Pair-ing“ on page 20). |
| Brief steady orange light (after green or red confirmation) | Batteries flat | Replace the batteries (see „8 Changing the batteries“ on page 25). |
| 6x long red flashes Device defective | Please see your app for error messages or contact your retailer. | |
| 1x steady orange and 1x steady green light (after inserting batteries) | Test display | You can continue once the test display has stopped. |
| Alternating long and short orange flashing | Device software updating (OTAU) | Wait until the update is completed. |
10 Restoring factory settings

The factory settings of the device can be restored. If you do this, you will lose all your settings.
To restore the factory settings of the radiator thermostat, please proceed as follows:
- Push the battery compartment cover (D) backwards and then downwards to remove it from the device ( see figure).
- Remove the batteries.
- Re-insert the batteries, ensuring that the polarity is correct ( see figure), while pressing and holding the system button (C) for 4 seconds at the same time until the LED starts to flash orange quickly ( see figure).
- Release the system button.
- Press and hold the system button again for 4 seconds, until the LED lights up green.
- Release the system button to finish restoring the factory settings.
The device will perform a restart.
11 Maintenance and cleaning

The device does not require you to carry out any maintenance other than replacing the battery when necessary. Leave any maintenance or repair to a specialist.
Clean the device using a soft, clean, dry and lint-free cloth. Dampen the cloth a little with lukewarm water to remove more stubborn marks. Do not use any detergents containing solvents, as they could corrode the plastic housing and label.
12 General information about radio operation
Radio transmission is performed on a non-exclusive transmission path, which means that there is a possibility of interference occurring. Interference can also be caused by switching operations, electrical motors or defective electrical devices.

The transmission range within buildings can differ significantly from that available in open space. Besides the transmitting power and the reception characteristics of the receiver, environmental factors such as humidity in the vicinity play an important role, as do on-site structural/screening conditions.
eQ-3 AG, Maiburger Straße 29, 26789 Leer, Germany hereby declares that the radio equipment type Homematic IP HmIP-eTRV-2 is compliant with Directive 2014/53/EU. The full text of the EU declaration of conformity can be found at www.homematic-ip.com
13 Disposal
Instructions for disposal

This symbol means that the device and the single-use or rechargeable batteries must not be disposed of with household waste, the residual waste bin or the yellow bin or yellow bag.
For the protection of health and the environment, you must take the product, all electronic parts included in the package contents, and the batteries to a municipal collection point for waste
electrical and electronic equipment to ensure correct disposal of the same. Distributors of electrical and electronic equipment or batteries must also take back waste equipment or used batteries free of charge.
By disposing of them separately, you are making a valuable contribution to the reuse, recycling and other methods of recovery of used devices and used batteries.
You must separate any used single-use and rechargeable batteries found in used electrical and electronic devices from the used device if they are not enclosed by the used device before handing it over to a collection point and dispose of them separately at the local collection points.
Please also remember that you, the end user, are responsible for deleting personal data on any used electrical and electronic equipment before disposing of it.
Information about conformity

The CE mark is a free trademark that is intended exclusively for the authorities and does not imply any assurance of properties.

For technical support, please contact your retailer.
14 Technical specifications
Device short description: HmIP-eTRV-2
Supply voltage: 2x 1.5 V LR6/Mignon/AA
Current consumption: 120 mA max.
Battery life: 2 years (typical)
Protection rating: IP20
Pollution degree: 2
Ambient temperature: 0 to 50°C
Dimensions (W x H x D): 58 x 71 x 97 mm
Weight: 205 g (including batteries)
Radio frequency band: 868.0 – 868.6 MHz 869.4 – 869.65 MHz
Maximum radiated power: 10 dBm
Receiver category: SRD category 2
Typical range in open space: 300 m
Duty cycle: < 1 % per h/< 10 % per h
Construction of the
regulation and control device: independently mounted electronic regulation and control device
Method of operation: Type 1
Connection: M30 x 1.5 mm
Subject to modifications.
Table des matières
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VALVE install VALVE adapt 88.8 °C I (+) () MANU BOOSTFigure 2
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Line drawing of a hand holding a cylindrical device (no text or symbols)Figure 3
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Line drawing of a hand holding a camera lens, no text or symbols presentFigure 5
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Technical line drawing of a mechanical device with a cylindrical component and a labeled part R (no text or symbols beyond label)Figure 9
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- Retirez les piles.
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VALVE install VALVE adapt
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VALVE install VALVE adapt 88.8 MANU BOOST °C i O (+)Figura 2
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Line drawing of a hand holding a cylindrical device with a lid (no text or symbols)Figura 3
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Line drawing of a hand holding a camera lens, no text or symbols presentFigura 5
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Technical line drawing of a mechanical device with a cylindrical component and a labeled part R (no text or symbols beyond label)Figura 9
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Line drawing of a hand holding an open cylindrical device with internal components (no text or symbols)Figura 10
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Line drawing of a hand holding a battery pack with internal components (no text or symbols)Abbildung 12
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VALVE install VALVE adapt 88.8 MANU BOOST °C lock (o) (i)Figura 2
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Line drawing of a hand holding a cylindrical device (no text or symbols)Figura 3
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Line drawing of a hand holding a cylindrical device with a handle, no text or symbols presentFigura 5
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Technical line drawing of a mechanical device with a cylindrical component and a labeled part R (no text or symbols beyond label)Figura 9
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Line drawing of a hand holding a cylindrical device with internal components (no text or symbols)Figura 10
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Line drawing of a hand holding a battery pack with a magnified inset showing internal components (no text or symbols)Figura 11
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VALVE install VALVE adapt 88.8 MANU BOOST °C i (+) (t)Afbeelding 2
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Line drawing of a hand holding a cylindrical device with a lid (no text or symbols)Afbeelding 3
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Line drawing of a hand holding a camera lens, no text or symbols presentAfbeelding 5
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Technical line drawing of a mechanical device with a cylindrical component and a labeled part R (no text or symbols beyond label)Afbeelding 9
6.3 Adapteerbeweging

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Line drawing of a hand holding a battery pack with internal components (no text or symbols)Afbeelding 11
Apparaatcode: HmIP-eTRV-2
Voedingsspanning: 2x 1,5 V LR6/mignon/AA
Stroomopname: 120 mA max.
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Bevollmächtigter des Herstellers: Manufacturer's authorised representative

eQ-3 AG
Maiburger Straße 29
26789 Leer / GERMANY
www.eQ-3.de