thermocontrol 125 - Aquarium EHEIM - Free user manual and instructions
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USER MANUAL thermocontrol 125 EHEIM
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Technical line drawing of a cylindrical mechanical device with attached components (no text or symbols)25 50 75 100 125 150 200 250 300 400
de Bedienungsanleitung
en Operating instructions
fr Mode d'emploi
it Istruzioni per l'uso
es Manual de instrucciones
pt Manual de instruções
nl Bedieningshandleiding
da Betjeningsvejledning
SV Bruksanvisning
no Bruksanvisning
fi Käyttöohje
pl Instrukcja obsługi
cs Návod k obsluze
sk Návod na obsluhu
hu Használati utasítás
sl Navodilo za upravljanje
ro Manual de utilizare
ru Руководство по обслуживанию
el Odnyies xpnns
zh 操作说明书
ko 사용 설명서

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A ① ② ③ ④ ⑤ Warning →
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B °C 25 °F 77 ⑥
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C max. 0,5 m min. water levelTechnical data
| Type thermocontrol ^e | (A7HT) | Watt | =∞ | |
| 3631 | 25 | ∅ 36×233 mm | 25 W | 120-127 V / 60 Hz220-240 V / 50-60 Hz |
| 3632 | 50 | ∅ 36×233 mm | 50 W | |
| 3633 | 75 | ∅ 36×260 mm | 75 W | |
| 3634 | 100 | ∅ 36×309 mm | 100 W | |
| 3635 | 125 | ∅ 36×309 mm | 125 W | |
| 3636 | 150 | ∅ 36×335 mm | 150 W | |
| 3637 | 200 | ∅ 36×396mm | 200 W | |
| 3638 | 250 | ∅ 36×442 mm | 250 W | |
| 3639 | 300 | ∅ 36×495 mm | 300 W | |
| 3640 | 400 | ∅ 36×495 mm | 400 W | 220-240 V / 50-60 Hz |
| Type | ![]() | ||
| I Imp gal US gal | |||
| 3631 20 - 25 4.4 - 5.5 5.2 - 6.6 | |||
| 3632 25 - 60 5.5 - 13 | 6.6 - 15.8 | ||
| 3633 60 - 100 13 - 22 | 15.8 - 26.4 | ||
| 3634 | 100 - 150 22 - 33 | 26.4 - 39.6 | |
| 3635 | 150 - 200 33 - 44 | 39.6 - 53 | |
| 3636 | 200 - 300 44 - 66 53 - 79 | ||
| 3637 | 300 - 400 66 - 88 79 - 106 | ||
| 3638 | 400 - 600 | 88 - 132 | 106 - 159 |
| 3639 | 600 - 1000 | 132 - 220 | 159 - 264 |
| 3640 | 1000 - 1200 | 220 - 264 | - |
Translation of the original operating manual
Adjustable aquarium heater thermocontrol ^e 25 - 400
1. General user instructions
Information on using the operating manual

▶ Before using the appliance for the first time, the operating manual must be read fully and understood.
- Consider the operating manual as part of the product and keep in a safe and accessible location.
▶ Enclose this operating manual if passing the appliance on to a third party.
Symbol explanation
The following symbols are used on the appliance.

The appliance must only be used indoors, and exclusively for aquariums.

The appliance is of protection class II.
IP68
The symbol indicates that the appliance is protected against permanent submerging.

The appliance is certified according to the relevant national regulations and directives, and conforms to EU standards
The following symbols and signal words are used in this operating manual.

DANGER!
The symbol indicates imminent danger from electric shock that can result in death or serious injury.

DANGER!
The symbol indicates imminent danger that can result in death or serious injury.

WARNING!
The symbol indicates imminent danger that can result in moderate to minor injury or a health risk.

HOT SURFACE!
The symbol indicates imminent danger due to hot surfaces, which may result in burning.

CAUTION!
The symbol indicates the danger of material damage.

Note with useful information and tips.
Typographical conventions
A
Reference to a figure; in this case, reference to figure A

You are prompted for an action.
2. Application
The EHEIM thermocontrol ^e is an adjustable heater for aquariums. The temperature range is 20 - 32°C ±0.5°C or 68 - 90°F.
The appliance and all parts included in the scope of delivery are intended for private use and must only be used indoors, exclusively for aquariums and in compliance with the technical data.
The appliance must not be used for commercial or industrial purposes.
VERY IMPORTANT SAFETY INSTRUCTIONS
WARNING- To guard against injury, basic safety precautions should be observed, including the following.
· FOR HOUSEHOLD USE ONLY
· WARNING! RISK OF ELECTRIC SHOCK!
· DO NOT RUN DRY!
READ AND FOLLOW ALL SAFETY INSTRUCTIONS.
- DANGER. To avoid possible electric shock, special care should be taken since water is employed in the use of aquarium equipment. For each of the following situations, do not attempt repairs by yourself; return the appliance to an authorized service facility for service or discard the appliance.
- If the appliance shows any sign of abnormal water leakage, immediately unplug it from the power source.
- Carefully examine the appliance after installation. It should not be plugged in if there is water on parts not intended to be wet.
- Do not operate any appliance if it has a damaged cord or plug, or if it is malfunctioning or if it is dropped or damaged in any manner.
- To avoid the possibility of the appliance plug or receptacle getting wet, position aquarium stand and tank to one side of a wall mounted receptacle to prevent water from dripping onto the receptacle or plug. A "drip loop", shown in the figure, should be arranged by the user for each cord connecting the aquarium appliance to a receptacle. The "drip loop" is that part of the cord below the level of the receptacle, to prevent water travelling along the cord and coming in contact with the receptacle. If the plug or receptacle does get wet, DON'T unplug the cord; disconnect the fuse or circuit breaker that supplies power to the appliance. Then unplug and examine for presence of water in the receptacle.

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POWER SUPP_Y CORD DRIP LOOP- Close supervision is necessary when any appliance is used by or near children.
· To avoid injury, do not contact hot parts. - Always unplug an appliance from an outlet when not in use, before putting or taking off parts, and before cleaning. Never yank cord to pull plug from outlet. Grasp the plug and pull to disconnect.
- Do not use an appliance for other than intended use. The use of attachments not recommended or sold by the appliance manufacturer may cause an unsafe condition.
- Do not install or store the appliance where it will be exposed to the weather or to temperatures below freezing.
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Make sure an appliance mounted on a tank is securely installed before operating it.
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Read and observe all the important notices on the appliance and its cord.
- If an extension cord is necessary, a cord with a proper rating should be used. A cord rated for less amperes or watts than the appliance rating may overheat. Care should be taken to arrange the cord so that it will not be tripped over or pulled.
- This appliance has a polarized plug (one blade is wider than the other). As a safety feature, this plug will fit in a polarized outlet only one way. If the plug does not fit fully in the outlet, reverse the plug. If still does not fit, contact a qualified electrician. Never use with an extension cord unless plug can be fully inserted. Do not attempt to defeat this feature.
- Check that the voltage shown on the label of the unit corresponds to the voltage of the mains supply.
- Disconnect all electrical appliances from the mains before placing hands in the water.
- The line cord of this unit cannot be replaced or repaired. Should the line cord become damaged the appliance must be discarded.
KEEP THESE INSTRUCTIONS FOR FUTURE REFERENCE.
3. Safety instructions
Risks for persons and property can arise from this appliance if the appliance is improperly used or not used as intended or if the safety instructions are not heeded.
For your safety

- This appliance can be used by children from the age of 8 and by persons with reduced physical, sensory or mental capabilities or lack of experience and/or knowledge if they are supervised and have been instructed in the safe use of the appliance and have understood the resulting dangers. Children must not play with the appliance. Cleaning and user maintenance must not be carried out by children unless they are supervised.
- Before use, carry out a visual inspection to ensure that the appliance, especially the mains cable and plug, are undamaged. Make sure that the glass body of the heating rod is not broken or cracked.
- Before commissioning, the appliance must be immersed to the MIN. WATER LEVEL marking underneath the water, and no less. The appliance must never be operated out of water.
- After disconnection from the mains, the appliance must be left in the water for 30 minutes in order to cool down.
· A hot appliance must never be placed on heat-sensitive surfaces!
· Repairs must only be carried out by an EHEIM service centre.
- The mains cable of this appliance cannot be replaced. If the cable is damaged, the appliance must be scrapped.
- Only carry out the work described in these instructions.
- Only use original spare parts and accessories for the appliance.

- We recommend protecting all electrical aquarium appliances via a residual current protective device with a rated residual current of 30 mA maximum.
- If they are not being used, always disconnect all devices in the aquarium from the power supply before you install/remove any parts and before all cleaning and maintenance work.
- Protect the mains socket and mains plug against moisture and wetness. A drip loop must be formed with the mains cable.

This prevents any water running along the cable to the mains socket, which would result in a short-circuit.
- The electrical data of the appliance must match the data of the power mains. This data is found on the type plate, the packaging and in these instructions.

- Danger of burning! The appliance is very hot during and directly after operation. Never touch hot parts or the heating zone ④!
4. Commissioning
Installing the heater (☒A)
- Remove the transportation protection ⑤.
- Connect the suction device ② to the suction device mount ①
- Connect the suction device mount to the heater (not in the area of the heating zone ④ and the control light ③).
- Attach the appliance below water level on the inside of your aquarium (☒C). Take the minimum water level and maximum immersion depth into account.

The heater must be rinsed well in order to guarantee consistent water heating. Therefore, place the heater in an area with a strong flow.
▶ Only install the heater in a vertical position.
5. Operation
Switching the heater on/off
- Insert the mains plug in the mains socket. The control light ③ illuminates.
- To turn it off, remove the mains plug from the mains socket.
Setting the temperature
- First, turn the adjusting ring ⑥ all the way back to the stop (20°C or 68°F).
- Set the desired temperature by turning the adjusting ring. The control light ③ will illuminate red during the heating process. When the set temperature has been reached, the control light will illuminate green.
▶ Check the water temperature at regular intervals.

Before you remove the heater

WARNING! Burning and fire hazards due to hot surfaces.
- Allow the appliance to cool down in the water for at least 30 minutes before removing it.
If you have accidentally removed the heater during operation:
- Do not submerge the heater back into the water.
▶ Do not touch any hot surfaces.
Remove the mains plug and allow the heater to cool down for at least one hour on a heat-resistant base.
Thermal circuit breaker
The heater is equipped with a thermal circuit breaker as protection against overheating and any associated fire hazards. In the event of the heater being accidentally operated outside the water or when the water level is too low, it will be switched off. The heater will switch back on automatically after cooling down.
6. Maintenance

CAUTION! Material damage.
- Do not use hard objects or aggressive cleaning agents for cleaning.
- The appliance is not dishwasher-safe! Do not clean the appliance in the dishwasher.
Cleaning
- Disconnect the heater from the power supply.
- Allow the appliance to cool down in the water for at least 30 minutes.
- Take the appliance out of the aquarium.
- Clean the heater under running water.
7. Decommissioning and disposal
Disposal

When disposing of the appliance, heed the respective statutory regulations. Information on the disposal of electrical and electronic appliances in the European Union: Within the European Union, disposal of electrically operated appliances is governed by national regulations that are based on the EU Directive 2012/19/EU on waste electrical and electronic equipment (WEEE). The appliance may no longer be disposed of with the municipal or household waste. The appliance will be accepted free of charge at municipal collection points or recycling centres. The product packaging is made up of recyclable materials. Dispose of them in an environmentally responsible manner and take them for recycling.
8. Spare parts
4 piece suction device art. no. 7271100, suction device mount incl. 2 suction devices art. no. 7443900
9. Guarantee: 3 years
Does not include glass damage, improper use and opening of the appliance.
The image contains a graphical symbol (a lightning bolt inside a triangle) and no textual content. Therefore, the correct OCR output is an empty string.
Élimination/destruction

The image contains a graphical symbol (a lightning bolt) inside a triangle, which is not standard alphanumeric text. According to the instructions, non-text figures/diagrams are to be ignored. Therefore, no OCR output is generated.
The image contains a graphical symbol (a lightning bolt inside a triangle) and no textual content. Therefore, the correct OCR output is an empty string.
The image contains a graphical symbol (a lightning bolt inside a triangle) and no textual content. Therefore, the correct OCR output is an empty string.
Reproduction or copying – even parts thereof – only with the express permission of the producer.
