Reeflex UV 350 - Aquarium EHEIM - Free user manual and instructions
Find the device manual for free Reeflex UV 350 EHEIM in PDF.
| Product type | UV clarifier for aquarium |
| Brand | EHEIM |
| Model | Reeflex UV 350 |
| Category | Aquarium equipment |
| Use | Freshwater and saltwater |
| Housing material | Aluminum |
| Protection rating | IP X7 (resists brief immersion) |
| UV-C lamp | Included, replaceable |
| Lamp lifespan | Approximately 8,000 hours (1 year) |
| Glass tube cleaning | EHEIM cleaning brush (ref. 4005570) |
| Lamp replacement | Procedure described in the manual: unscrew the cover, remove the old lamp, insert the new one |
| Periodic maintenance | Cleaning and annual lamp replacement |
| Maximum water temperature | 35 °C |
| Installation | On the pressure side of the external filter or circulation pump |
| Recommended electrical protection | Residual-current circuit breaker 30 mA |
| Contains mercury | Yes (UV-C lamp) |
| Safety | Do not look at UV-C light, do not use outside housing |
| Included accessories | Aluminum housing, cover, UV-C lamp, bracket, ballast with cable, hose connectors, fasteners, screws |
| Repairs | EHEIM authorized service |
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USER MANUAL Reeflex UV 350 EHEIM
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Exterior view of a EHEIM industrial vacuum cleaner (no text or symbols visible on body)350
500
800


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Close-up of a metallic cylindrical device with a central connector and two rotating arms (no visible text or symbols)
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Product diagram of an EHEM fuel injector with attached charging cable and plug (no text or symbols)
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Two technical diagrams showing a black sensor component and a cylindrical device with a metallic housing, both without any text or symbols.
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Mechanical device labeled 'EHEIM' with a downward arrow indicator (no text or symbols on the device itself)
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Mechanical assembly diagram showing a component with rotating arms and a close-up view of its internal structure (no text or symbols)
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Technical diagram showing two mechanical assembly setups: top shows pipe connection with valve, bottom shows electrical plug and socket (no text or symbols)
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Technical line drawing of a mechanical or electrical assembly with tubing, a cylindrical component, and an electrical outlet (no text or symbols)IMPORTANT SAFETY INSTRUCTIONS
WARNING – To guard against injury, basic safety precautions should be observed, including the following.
a) READ AND FOLLOW ALL SAFETY INSTRUCTIONS.
b) 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.
1) If the appliance falls into the water, DON'T reach for it! First unplug it and then retrieve it. If electrical components of the appliance get wet, unplug the appliance immediately. (Non-immersible equipment only)
2) If the appliance shows any sign of abnormal water leakage, immediately unplug it from the power source. (Immersible equipment only)
3) Carefully examine the appliance after installation. It should not be plugged in if there is water on parts not intended to be wet.
4) Do not operate any appliance if it has a damaged cord or plug, or if it is malfunctioning or has been dropped or damaged in any manner.
5) 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 an aquarium appliance to a receptacle. The "drip loop" is that part of the cord below the level of the receptacle, or the connector if an extension cord is used, to prevent water traveling along the cord and coming in contact with the receptacle.
If the plug or socket 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.
c) Close supervision is necessary when any appliance is used by or near children.
d) To avoid injury, do not contact moving parts or hot parts such as heaters, reflectors, lamp bulbs, and the like.
e) Always unplug an appliance from an outlet when not in use, before putting on or taking off parts, and before cleaning. Never yank cord to pull plug from outlet. Grasp the plug and pull to disconnect.
f) 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.
g) Do not install or store the appliance where it will be exposed to the weather or to temperatures below freezing.
h) Make sure an appliance mounted on a tank is securely installed before operating it.
i) Read and observe all the important notices on the appliance.
j) 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.
k) 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 it 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 safety feature.

1) "SAVE THESE INSTRUCTIONS".
English
EHEIM
The EHEIM reeflexUV clarifiers use UV-C radiation to clean aquarium water in fresh and sea water aquariums and are operated in the filter system's water cycle (discharge side) or by using a separate circulation pump (not included).
Aquarium water permanently flows through a glass tube and past the UV-C bulb inside the aluminium body. As a result, free-floating algae, bacteria, fungi, viruses and other pathogens are reduced or eliminated. The EHEIM reeflexUV clarifiers ensure that aquarium water is clean and crystal-clear, keeping the fish healthy.
UV-C clarifier reeflexUV 350 / 500 / 800
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. Carefully read the user instructions before opening the device for servicing.
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:

Danger from optical radiation
The symbol indicates an immediate danger that could cause injuries to skin and eyes if the appropriate measures are not taken.

The appliance must only be used indoors, and exclusively for aquariums.
IP X7 The symbol indicates that the device is protected against short submersion.

The appliance fulfils the requirements of the EN 60335-2-109.
The following symbols and signal words are used in this operating manual:

Risk of personal injury from dangerous voltage!
The symbol denotes imminent danger causing severe personal injury or death if the corresponding measures are not taken

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

Danger from optical radiation
The symbol indicates an immediate danger that could cause injuries to skin and eyes if the appropriate measures are not taken.

Danger from mercury
The symbol indicates an immediate danger that could be a risk to health.

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

CAUTION!
The symbol indicates the danger of material damage.

Note with useful information and tips.
Application
The appliance and all parts included in the scope of delivery are intended for private use and must only be used:

- For the cleaning of aquarium water in fresh and salt water aquariums
• in compliance with the technical data
The following limitations apply to the appliance:

- Never operate the UVC lamp outside the housing or use it for other purposes.
- do not use for commercial or industrial purposes
• the water temperature may not exceed 35^ C - Corrosive, flammable aggressive or explosive substances, salt water and drinking water must not be conveyed.
- never operate without a water flow
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

- Do not let the appliance packaging get into the hands of children as hazards can arise (danger of suffocation!).
Only for EU countries:
- 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.
This equipment is not intended for use by persons (including children) with limited physical, sensory or mental abilities or for persons with no experience or knowledge unless they are supervised by a person respond for safety or unless they have received from such a person instructions on how to use the equipment. Children should be supervised to ensure that they do not play with the equipment.
- Before use, carry out a visual inspection to ensure that the appliance, especially the mains cable and plug, are undamaged.
- Do not use the device if it does not function properly or if it is damaged.
- Never use the appliance with a damaged mains cable.
- Repairs must only be carried out by an EHEIM service centre.
- Do not carry the appliance by the mains cable, and to disconnect from the mains, always pull on the plug and not on the cable or appliance.
- Only carry out the work described in these instructions.
- Never make technical modifications to the appliance.
- Only use original spare parts and accessories for the appliance.
- Never use the UVC lamp outside the housing.
- Never look into the light of the UVC lamp.
- The electrical installation must be in accordance with the international and national constructors' regulations.
- To protect against contact voltage being too high, the fixture must have a residual current device with a rated release fault current not exceeding 30 mA. Ask your electrician.
- In the event of water leakage or when the residual current protection device is triggered, immediately disconnect all devices in the aquarium from the power supply.
- 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.
- The mains connection cable of the pump cannot be replaced. If the cable is damaged, the pump must be scrapped.
- Protect the mains socket and mains plug against moisture. It is recommended to form a drip loop with the mains cable to prevent any water running along the cable to the mains socket.



- The electrical data of the pump must match the data of the power mains. This data is found on the type plate, the packaging and in these instructions.
A Definition
① Aluminium casing ② Casing cover ③ 2 x cross-head screws M5 x 10 mm ④ UV-C bulb ⑤ Bulb fitting for UV-C bulb ⑥ Ballast with mains cable ⑦ Screw sleeve ⑧ Hose connection ⑨ Union nut (hose safety) ⑩ Glass function control window ⑪ Holder ⑫ 4 x Fastenings screw for holder
Unpacking
When unpacking, check that all parts have been included. For safety reasons, the UV-C bulb has been packed separately and not assembled in the unit in order to prevent breakage during transport.

CAUTION: UV-C bulb contains mercury! Handle the UV-C bulb carefully DANGER OF BREAKAGE! Do not touch the glass body directly with fingers. Be sure to use a soft cloth or similar material.
B Assembly

Read the operating and safety instructions carefully and comply with all instructions prior to assembly.
Open both cross-head screws ③ and lift up the casing cover ②. Pull out the UV-C bulb fitting ⑤. Carefully put the UV-C bulb ④ into the fitting ⑤ until it audibly clicks in place. Carefully replace the fitting with the assembled UV-C bulb into the casing and press down firmly. Replace the casing cover and screw down firmly.

CAUTION: Never operate UV-C bulbs outside the device. UV-C radiation may damage the skin and eyes, even at low doses.
Fasten holder ⑪ and ballast ⑥ in a suitable location (e.g. in the cabinet beneath the aquarium) using the screws provided and fix UV clarifier in the holder.

CAUTION: In order to avoid any water damage, remove the filtration equipment or circulation pump before fitting the UV clarifier into the tubing system, ensuring that the piping system no longer contains any water.
Install the UV clarifier EHEIM reeflexUV on the discharge side (return water from external filter or from circulation pump). Slip end of hose onto the hose connection ⑧ and secure with union nut ⑨. Join the hose connection with the UV clarifier by turning the screw sleeves⑦ and tighten until hand-tight. Put filtration equipment or circulation pump back into operation. Follow the manufacturer's operating instructions.
Initial start-up
Plug the power socket into the mains to operate the UV-Clarifier EHEIM reeflexUV. Function control window ⑩ lights up in blue.
C Cleaning and Maintenance

CAUTION: Disconnect from the mains before servicing the device. In order to avoid any water damage when cleaning and performing maintenance work, remove the filtration equipment or circulation pump before fitting the UV clarifier into the tubing system, ensuring that the piping system no longer contains any water.
Cleaning: Disconnect the UV clarifier from the piping system by turning the screw sleeves ⑦ and removing from the holder. Clean the glass tube inside the UV clarifier. Pull the EHEIM Universal Cleaning Brush (Order No. 4005570) through it several times.
C Cleaning and Maintenance
Maintenance: The UV-C bulb has a maximum operating period of approx. 8,000 hours – this corresponds to about one year – and must then be replaced.
Read the operating and safety instructions carefully and comply with all instructions prior to assembly.
CAUTION: Never operate UV-C bulbs outside the device.
UV-C radiation may damage the skin and eyes, even at low doses.
Open both cross-head screws ③ and lift up the casing cover ②. Remove the fitting with the UV-C bulb from the casing and carefully pull the UV-C bulb out of the bulb fitting. Carefully insert the new UV-C bulb into the fitting until it audibly clicks in place (see image B3).

CAUTION: UV-C bulb contains mercury! Handle the UV-C bulb carefully DANGER OF BREAKAGE!
Do not touch the glass body directly with fingers. Be sure to use a soft cloth or similar material.
Clearing faults

Attention! Electrocution!
- Before clearing faults, remove the mains plug.
| Faults | Possible cause | Remedy |
| UVC lamp do not light up | No mains voltage | ► Check the mains voltage ► Check the supply line |
| Power plug is not plugged in | ► Mains plug into the mains Plug in the socket | |
| UVC lamp is defective | ► Replace the UVC lamp | |
| The water is not clear | Through flow line is dirty | ► Clean it with the cleaning brush |
| UVC has no power anymore | ► Replace the UVC lamp Operating period of approx. 8,000 hours is exceeded |
For other faults, please contact EHEIM Service.
Decommissioning
Storage
- Uninstall the device from the aquarium
- Clean the appliance
- Store the appliance in a frost-proof place.
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.
Élimination/destruction

UV-C filter reeflexUV 250/500/800
Reproduction or copying – even parts thereof – only with the express permission of the producer.