STIEBEL ELTRON BGC Series Immersion Heater Installation Guide

BGC Series Immersion Heater

Product Information

Specifications

• Brand: Stiebel Eltron
• Model: BGC
• Country of Origin: Germany

Product Usage Instructions

Safety Guidelines
Ensure to install a Residual Current Device (RCD) for safety.

General Operation
Follow all safety instructions provided in the manual.

Installation
Make sure the temperature adjustment knob is positioned on to during installation.

Maintenance
Regularly clean and maintain the product to ensure optimal performance.

Troubleshooting
If the water is not heating properly, check the power source and temperature settings.

FAQ

• Q: What to do if the water is not heating?
  

  • A: Check the power source and temperature settings. If issues persist, consult a professional for further assistance.

• Q: How often should maintenance be performed?
  

  • A: Regular maintenance should be conducted as per the guidelines provided in the manual to ensure efficient operation.

SPECIAL INFORMATION

• The appliance may be used by children over 3 years of age and persons with reduced physical, sensory or mental capabilities or a lack of experience and expertise, provided that they are supervised or they have been instructed on how to use the appliance safely and have understood the potential risks. Children aged 3 to 8 years may only operate the tap connected to the appliance. Children must never play with the appliance. Cleaning and user maintenance must not be carried out by children without supervision.

• The connection to the power supply is only possible as a permanent connection with
  a permanently installed electric cable. Ensure the appliance can be separated from the power supply by an isolator that disconnects all poles with at least 3 mm contact separation.

• Secure the appliance as described in chapter “Installation / Installation”.

• Fill the cylinder with water before switching on the appliance.

• The appliance may only be installed in cylinders that are fitted with metal water inlet and outlet pipes.

• Metal parts of the cylinder that can be touched and that are in contact with water must be permanently and reliably connected to the protective conductor.

• If an indirect coil is installed in the same cylinder, limit the maximum temperature for this appliance to the maximum temperature for the flanged immersion heater. This prevents the tempering device of the flanged immersion heater from responding.

• Information on the volume range of the cylinder, the volume above the heating element and the installation position can be found in chapter “Specification / Technical data table”. Install a type-tested safety valve in the cold water inlet of the cylinder. Please note that, depending on the supply pressure, you may also need a pressure reducing valve.

• Size the drain so that water can drain off unimpeded when the safety valve is fully opened.

• Fit the drain pipe of the safety valve with a constant fall in a room free from the risk of frost.

• The drain connection of the safety valve must remain open to the atmosphere.

• Install a residual current device (RCD).

OPERATION

General information

• The chapter “Operation” is intended for appliance users and qualified contractors.
• The chapter “Installation” is intended for qualified contractors.

Notice
Read these instructions carefully before using the appliance. Keep them in a safe place.
Pass on the instructions to a new user if required.

Safety instructions

Structure of safety instructions

SIGNAL WORD Type of risk

Lists possible consequences of a failure to observe the safety instructions.

Symbols, type of risk

Symbol Type of risk

Injury

Electrocution

Burns  (burns, scalding)

Signal words

Other symbols in this documentation\

Notice
General information is indicated by the adjacent symbol.
Read these texts carefully.

Symbol Meaning

Property damage
(appliance damage, consequential losses and environmental pollution)

Appliance disposal

This symbol indicates that you have to do something. The action you need to take is described step by step.

Units of measurement

Notice
All measurements are given in mm unless stated otherwise.

Safety

Intended use

• The appliance is intended for installation in cylinders in a pressuretested heating or DHW heating system.
• The appliance is intended for domestic use. It can be used safely by untrained persons. The appliance can also be used in non-domestic environments, e.g. in small businesses, as long as it is used in the same way.
• Any other use beyond that described shall be deemed inappropriate. Observation of these instructions is also part of the correct use of this appliance. Any changes or modifications to this appliance void all warranty rights.
• Using the appliance for heating fluids other than water or for water supplemented with chemicals, such as brine, is also deemed inappropriate.

General safety instructions

WARNING Electrocution
Never spray the appliance with water or other liquids.

WARNING Burns
Water at high temperature can flow immediately at temperature settings above 43 °C.

WARNING Injury
The appliance may be used by children aged 3 and up and persons with reduced physical, sensory or mental capabilities or a lack of experience and know-how, provided that they are supervised or they have been instructed on how to use the appliance safely and have understood the resulting risks. Children aged 3 to 8 years may only operate the tap connected to the appliance. Children must never play with the appliance. Cleaning and user maintenance must not be carried out by children without supervision.

Notice
While the threaded immersion heater is in use, the cylinder is under mains water pressure.
During the heat-up process, expansion water will drip from the safety valve. If water continues to drip once heat-up is complete, please inform your qualified contractor.

Appliance description
The appliance electrically heats DHW and heating water. You can adjust the temperature using the temperature selector. Once the selected temperature has been reached, the appliance switches off and restarts automatically when required.

Settings

• The temperature is variably adjustable. The temperature setting is limited at the factory and can be changed by a qualified contractor (see chapter “Installation / Settings”).
• You can interrupt the heating process by setting the temperature selector to “cold” (see diagram).

INSTALLATION

Cleaning, care and maintenance

• I f the appliance is installed in a DHW heating system, please note the following: Almost every type of water will deposit limescale at high temperatures. Limescale builds up on the heating element in particular and has to be removed occasionally by a qualified contractor.
• T ake the increased anode wear into consideration when using the threaded immersion heater in cylinders with protective magnesium anodes. Check the protective anode and heating element for the first time after approx. 1 year.
• Regularly activate the safety valve to prevent it from becoming blocked e.g. by limescale deposits.

Troubleshooting

If you cannot remedy the fault, notify a qualified contractor. To facilitate and speed up your enquiry, please provide the serial number from the type plate (no. 000000-0000-000000):

Safety
Only a qualified contractor should carry out installation, commissioning, maintenance and repair of the appliance.

General safety instructions
We guarantee trouble-free functional and operational reliability only if original accessories and spare parts intended for the appliance are used.

Instructions, standards and regulations

Notice
Observe all applicable national and regional regulations and instructions.

Water connection and safety assembly

Notice
Carry out all water connection and installation work in accordance with regulations.

• The water inlet and outlet pipes of the cylinder in which the appliance is installed must be made of metal.
• Metal parts of the cylinder that can be touched and that are in contact with water must be permanently and reliably connected to the protective conductor.

Notice
A safety valve is required.

The max. permissible pressure must not be exceeded (see chapter “Specification / Data table” and cylinder specification).

• Install a type-tested safety valve in the cold water inlet. Please note that, depending on the supply pressure, you may also need a pressure reducing valve.
• Size the drain so that water can drain off unimpeded when the safety valve is fully opened.
• F it the drain pipe of the safety valve with a constant fall in a room free from the risk of frost.
• T he drain connection of the safety valve must remain open to the atmosphere.

Appliance description

Standard delivery
The following are delivered with the appliance:

• Wiring diagram label
• Extension, G 1½, 45 mm (BGC/45)
• Extension, G 1½, 60 mm (BGC 2/60)

Required accessories
Safety assemblies and pressure reducing valves are available to suit the prevailing supply pressure. These type-tested safety assemblies protect the appliance against impermissible excess pressure.

Installation

Notice
Installation from below is not permissible for safety reasons.

• Always install the appliance horizontally with the cable entries facing downwards.
• Always install the threaded immersion heater with heating elements and a protective pipe arranged in parallel. Realign the components where necessary.
• During installation, ensure that the temperature selector is at the top.
• Screw at least half of the thread length of the appliance into the cylinder. The threaded immersion heater is sealed with a seal ring.

BGC | BGC/45

BGC 2/60

1. Max. connection length consisting of cylinder sleeve + extension (optional on site)
   • If you install the appliance in a cylinder with thermal insulation, use a threaded immersion heater with extension. You can also use the extension to reduce the immersion depth
     (see chapter “Specification / Data table”). The maximum clearance between the threaded immersion heater and cylinder (see diagram) must not be exceeded.

Making the electrical connection

WARNING Electrocution
Carry out all electrical connection and installation work in accordance with relevant regulations.

WARNING Electrocution
The connection to the power supply is only possible as a permanent connection with a permanently installed electric cable. Ensure the appliance can be separated from the power supply by an isolator that disconnects all poles with at least 3 mm contact separation.

Property damage
Observe the type plate. The specified voltage must match the mains power supply.

Property damage
Install a residual current device (RCD).

Notice
Ensure that the appliance is connected to the earth conductor.

• Pull off the temperature selector.
• Undo the screws.
• Remove the control panel cover.
• Prepare the power cable.

Commissioning

• Ensure that the protective conductor is longer than the other conductors.
• Feed the power cable through the cable entry into the control panel.
• Connect the required load in accordance with the connection examples (see chapter “Specification / Wiring diagrams and connections”).
• T ick the selected connected load and voltage on the type plate. Please use a ballpoint pen to do this.
• If necessary, affix the relevant wiring diagram label over the wiring diagram in the control panel cover.

Completing the installation

• Refit the control panel cover. Insert the screws.
• Push on the temperature selector.

Commissioning

Property damage
Boiling dry destroys the high limit safety cut-out and means the controller- limiter combination will have to be replaced.

Property damage
If an indirect coil is installed in the same cylinder, its maximum temperature must be limited. This prevents the temperature limiter of the threaded immersion heater from responding.

• Fill the system with water.
• Turn the temperature selector to maximum.
• Switch the mains power supply on.
• Check the appliance function.
• Check the function of the safety assembly.

Appliance handover

• Explain the functions of the appliance to the user. Show the user how to operate the appliance.
• Make users aware of potential dangers, especially the risk of scalding.
• Hand over these instructions.

Settings
Setting the temperature selection limit
You can adjust the temperature selection limit beneath the temperature selector. The appliance is limited to 60 °C at the factory.

• Isolate the appliance from the power supply.
• Set the temperature selector to “cold”.
• Pull off the temperature selector.

1. Limiter disc
2. Without limiter disc, maximum 80 °C

• You can set the limit to 45 °C or 60 °C by turning the limiter disc. If the limiter disc is removed, the maximum temperature can be set.
• Replace the temperature selector.

Troubleshooting

Notice
At temperatures below –15 °C the high limit safety cut-out may respond. The appliance may be subjected to these temperatures during storage or transport.

High limit safety cut-out reset button

Maintenance

WARNING Electrocution
Before any work on the appliance, disconnect all poles from the power supply.

Checking the safety assembly
Check the safety assembly regularly.

Descaling the heating elements
Descale the heating elements only after they have been removed.

Specification

Dimensions and connections

BGC

BGC/45

BGC 2/60

Electrical cable entry

Wiring diagrams and terminals
The appliance is wired as follows at the factory.

6 kW, 3/PE ~ 400 V

If you select another load, observe the following wiring diagrams.

2 kW, 1/N/PE ~ 230 V

3 kW, 2/PE ~ 400 V

Heating element

4 kW, 1/N/PE ~ 230 V

14.3  Data table|
---|---
| | BGC| BGC/45| BGC 2/60
| | 003769| 075115| 232030
Electrical data| | | |
Connected load ~ 230 V| kW| 2-4| 2-4| 2-4
Connected load ~ 400 V| kW| 6| 6| 6
Rated voltage| V| 230/400| 230/400| 230/400
Phases| | 1/N/PE, 2/PE, 3/PE| 1/N/PE, 2/PE, 3/PE| 1/N/PE, 2/PE, 3/PE
Frequency| Hz| 50/60| 50/60| 50/60
Single circuit operating mode| | X| X| X
Application limits| | | |
Temperature setting range| °C| 10-80| 10-80| 10-80
Max. permissible pressure| MPa| 1| 1| 1
For use in| | DHW cylinders, buffer cylinders, instantaneous water cylinders| DHW cylinders, buffer cylinders, instantaneous water cylinders| DHW cylinders, buffer cylinders, instantaneous water cylinders
Volume range of the cylinder| l| 150 – 1500| 150 – 1500| 150 – 1500
Volume above the heating element (max.)| l| 600| 600| 600
Installation position| | Horizontal| Horizontal| Horizontal
Minimum cylinder diameter| mm| 450| 450| 450
Versions| | | |
IP rating| | IP44| IP44| IP44
Dimensions| | | |
Immersion depth| mm| 500| 455| 480
Weights| | | |
Weight| kg| 2| 2,5| 2,8

Guarantee

The guarantee conditions of our German companies do not apply to appliances acquired outside of Germany. In countries where our subsidiaries sell our products a guarantee can only be issued by those subsidiaries. Such guarantee is only granted if the subsidiary has issued its own terms of guarantee. No other guarantee will be granted.
We shall not provide any guarantee for appliances acquired in countries where we have no subsidiary to sell our products. This will not affect warranties issued by any importers.

Environment and recycling
Dispose of the appliances and materials after use in accordance with national regulations.

****If a crossed-out waste bin is pictured on the appliance, take the appliance to your local waste and recycling centre or nearest retail take-back point for reuse and recycling.

This document is made of recyclable paper.

Dispose of the document at the end of the appliance‘s life cycle in accordance with national regulations.

STIEBEL ELTRON GmbH & Co. KG

• Dr.-Stiebel-Straße 33
• 37603 Holzminden
• Germany
• info@stiebel-eltron.com
• www.stiebel-eltron.com

References

• Sachverständigenbüro ELTRON - Startseite
• STIEBEL ELTRON International

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