Prism BLF3451-AU - Fireplace DIMPLEX - Free user manual and instructions

Product Type	Electric Fireplace
Model	Prism BLF3451-AU
Brand	Dimplex
Width	34.5 inches (876 mm)
Height	22.5 inches (572 mm)
Depth	7.5 inches (190 mm)
Weight	Approximately 12.5 kg
Power Supply	120 V ~ 60 Hz
Rated Power Consumption	1500 W
Heater Type	Fan-forced
Flame Effect	LED with multiple color options
Control Method	Remote control and touch panel
Installation Type	Built-in or wall-mounted
Safety Features	Overheat protection, cool-touch glass
Maintenance	Clean glass with soft cloth; vacuum vents
Compatible with Smart Home	No (standalone unit)
Warranty	1 year limited

Frequently Asked Questions - Prism BLF3451-AU DIMPLEX

How do I install the Dimplex Prism BLF3451-AU fireplace?

This unit can be installed as a built-in or wall-mounted fireplace. Ensure the wall is capable of supporting the weight (approx. 12.5 kg). Follow the user manual for clearances and venting requirements.

Can I use the fireplace without heating?

Yes, you can operate the flame effect only without the heater by pressing the flame button on the remote or touch panel.

How do I clean the glass front?

Use a soft, damp cloth with mild detergent. Do not use abrasive cleaners. Ensure the unit is cool and unplugged before cleaning.

Why is the heater not working?

Check that the thermostat is set above room temperature. Also ensure the overheat protection has not been triggered; if so, let it cool for 15 minutes and reset.

What is the power consumption?

Maximum 1500 watts on high heat setting. The flame effect only uses about 60 watts.

Does the fireplace have a remote control?

Yes, a remote control is included for adjusting flame brightness, heat settings, and timer functions.

Can I use an extension cord?

Avoid extension cords. Plug directly into a grounded outlet rated for at least 15 amps. If necessary, use a heavy-duty cord of minimal length.

How do I replace the flame LED bulbs?

The LED bulbs are non-replaceable. They are designed to last the lifetime of the unit. If they fail, contact Dimplex support.

What are the dimensions of the recess for built-in installation?

Minimum recess: 34.5 inches wide, 22.5 inches high, 7.5 inches deep. Leave clearance for ventilation: 2 inches on sides and top, 1 inch at bottom.

Is the fireplace safe for homes with pets or children?

Yes, the unit features cool-to-the-touch glass and an automatic shut-off if overheating is detected. However, always supervise children and pets.

USER MANUAL Prism BLF3451-AU DIMPLEX

Technical line drawing of a rectangular electronic device with internal slots and mounting brackets (no text or symbols)

EN

IMPORTANT SAFETY INFORMATION: Always read this manual first before attempting to install or use this fireplace. For your safety, always comply with all warnings and safety instructions contained in this manual to prevent personal injury or property damage.

Table of Contents

i Welcome & Congratulations 3

IMPORTANT INSTRUCTIONS 4

Quick Reference Guide ..... 7

Fireplace Installation 8

Site Selection 8

Surface Installation 9

In-wall Recessed Installation - 100mm Deep 10

Flush Mounted Installation - 200mm Deep 11

Front Glass Installation 13

Operation 15

Maintenance 19

Contact Details 19

Always use a qualified technician or service agency to repair this fireplace.

! NOTE: Procedures and techniques that are considered important enough to emphasize.

CAUTION: Procedures and techniques which, if not carefully followed, will result in damage to the equipment.

WARNING: Procedures and techniques which, if not carefully followed, will expose the user to the risk of fire, serious injury, or death.

Welcome & Congratulations

Thank you and congratulations for choosing to purchase an electric fireplace from Dimplex, the world leader in electric fireplaces.

Please carefully read and save these instructions.

CAUTION: Read all instructions and warnings carefully before starting installation. Failure to follow these instructions may result in a possible electric shock, fire hazard and will void the warranty.

Please record your model and serial numbers below for future reference: model and serial numbers can be found on the Model and Serial Number Label of your fireplace.

NO NEED TO RETURN TO THE STORE

Questions With the Assembly? Require Parts Information?

Product Under Manufacturer's Warranty?

Call 1300 556 816

Please have your model number and product serial number ready. (See below)

IMPORTANT SAFETY INSTRUCTIONS

Read all instructions before using this appliance.

When using electrical appliances, basic precautions should always be followed to reduce the risk of fire, electrical shock and injury to persons, including the following:

1. If the appliance is damaged, check with the supplier before installation and operation.
2. Do not use outdoors.
3. Do not use in the immediate surroundings of a bath, shower or swimming pool.
4. Do not locate the appliance immediately below a fixed socket outlet or connection box.
5. This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play with the appliance. Cleaning and user maintenance shall not be made by Children. Children should be supervised to ensure that they do not play with the appliance.
6. Do not use this appliance in series with a thermal control, a program controller, a timer or any other device that switches on the heat automatically, since a fire risk exists when the appliance is accidentally covered or displaced.
7. Ensure that furniture, curtains or other combustible material are positioned no closer than 1 metre from the

IMPORTANT SAFETY INSTRUCTIONS

appliance.

1. In the event of a fault unplug the appliance.
2. Unplug the appliance when not required for long periods.
3. Although this appliance complies with safety standards, we do not recommend its use on deep pile carpets or on long hair type of rugs.
4. The appliance must be positioned so that the plug is accessible.
5. If the supply cord is damaged it must be replaced by the manufacturer or service agent or a similarly qualified person in order to avoid a hazard.
6. Keep the supply cord away from the front of the appliance.

WARNING: In order to avoid overheating, do not cover the appliance. Do not place material or garments on the appliance, or obstruct the air circulation around the appliance, for instance by curtains or furniture, as this could cause overheating and a fire risk.

WARNING: In order to avoid a hazard due to inadvertent resetting of the thermal cut-out, this appliance must not be supplied through an external switching device, such as a timer, or connected to a circuit that is regularly switched on and off by the utility.

CAUTION: Some parts of this product can become very hot and cause burns. Particular attention has to be given where children and vulnerable people are present.

IMPORTANT SAFETY INSTRUCTIONS

It is necessary to allow disconnection of the appliance from the supply after installation. The disconnection can be achieved by having the plug accessible or by incorporating a switch in the fixed wiring in accordance with the wiring rules.

⚠ WARNING: The heater must not be used if the glass panels are damaged.

WARNING: KEEP BATTERIES OUT OF REACH OF CHILDREN

1. Swallowing may lead to serious injury in as little as 2 hours or death, due to the chemical burns and potential perforation of the oesophagus.
2. If you suspect your child has swallowed or inserted a button battery immediately call the 24-hour Poisons Information Centre on 13 11 26 (in Australia) or 0800 764 766 (in New Zealand) for fast, expert advice.
3. Examine devices and make sure the battery compartment is correctly secured, e.g. that the screw or other mechanical fastener is tightened. Do not use if the compartment is not secure.
4. Dispose of used button batteries immediately and safely. flat batteries can still be dangerous.

The heater carries the Warning Symbol [p y] indicating that it must not be covered SAVE THESE INSTRUCTIONS

① The electrical information regarding your electric fireplace can be found on the rating label located on the front of the unit, behind the glass.

Before installation, please record your fireplace's serial number below for future reference.

② If you have any technical questions or concerns regarding the operation of your electric fireplace, or require service contact customer service.

③ For dimensions of your fireplace, refer to Figure 1.

Figure 1

Site Selection

Review and consider all of the following conditions for installation:

• Dimensions of the unit: 870mm x 495mm
• Unit requires a minimum of three (3) wall studs in order to ensure a secure installation

Three possible installation methods:

• Installation method: Surface mount; In-wall Recessed; or Flush mount

• Hardwired or plug-in method

WARNING: Ensure the power cord is not installed so that it is pinched or against a sharp edge and ensure that the power cord is stored or secured to avoid tripping or snagging to reduce the risk of fire, electric shock or injury to persons.

Construction and electrical outlet wiring must comply with local building codes and other applicable regulations to reduce the risk of fire, electric shock and injury to persons.

1. Select a location that is not susceptible to moisture and is away from drapes, furniture and high traffic.

2. For ease of electrical hook up you may wish to locate the fireplace near an existing outlet (for plug-in convenience).

! NOTE 1: A 10 Amp, 230-240 Volt circuit is required. A dedicated circuit is preferred but not essential in all cases. A dedicated circuit will be required if, after installation, the circuit breaker trips or fuse blows on a regular basis when the heater is operating. Additional appliances on the same circuit may exceed the current rating of the circuit breaker.

1. Remove fireplace, front glass and hardware from box and remove all packaging materials before installation.

2. Store the fireplace in a safe, dry and dust free location until you are ready to install the fireplace.

Fireplace Installation

The fireplace is packaged with a three prong plug installed for plug-in convenience. Hard wiring the fireplace is also an option by removing the plug from the factory fitted cord and completing the wiring according to National and Local Electrical Codes.

The appliance must be fitted with means for disconnection from the supply mains having a contact separation in all poles that provide full disconnection under overvoltage category III conditions, and these means must be incorporated in the fixed wiring in accordance with the wiring rules.

WARNING: Do not attempt to wire your own new outlets or circuits. To reduce the risk of fire, electric shock or injury to persons, always use a licensed electrician.

WARNING: Ensure that the 3-Position Switch is set to the Off position ("O") and that the circuit on which the fireplace is to be installed has the power cut off at the service panel until installation is complete.

Surface Installation

CAUTION: Two people will be required for various steps of

this procedure.

1. Determine the mounting location of the unit so that the wall-mounting bracket can be installed into 3 wall studs.

! NOTE: It is recommended that the mounting bracket be installed 56 in. (1420mm) off of the ground to maintain an optimized viewing angle of the flame.

1. Hold the wall mounting bracket, with the bubble level on the top, on the wall so that the bubble on the level is centered between the two black lines.

2. Mark the 4 mounting screw locations, on the wall, ensuring that the wall bracket stays level. (Figure 2)

3. In locations where the screws

Fireplace Installation

Figure 3

Technical line drawing of a flat-screen monitor mounted on a stand, with an inset showing a close-up of the screen (no text or symbols present)

are being installed only into drywall, install the supplied wall anchors before installing the screw (predrill if required).

1. Secure the wall bracket to the wall using the supplied 1 12 in. (38mm) mounting screws and washers into the wall and/or wall anchors.
2. Install the bottom support bracket to the wall centered with the wall mounting bracket, using the appropriate mounting hardware, 13 34 " (350mm) below the wall mounting bracket. (Figure 2)
3. Remove the center screw from the bottom of the fireplace. (Figure 3)
4. Hang the fireplace from the bracket.
5. Install the removed screw through the bottom support

bracket into the fireplace.

1. Refer to Front Glass Installation section final installation procedures.

In-wall Recessed Installation - 100mm Deep

CAUTION: Two people may be required for various steps of this procedure.

1. Prepare a wall with a framed opening of 775mm wide x 420 mm high (Figure 4).
   ! NOTE: The sizing has allowed for 7mm around the fireplace insert for ease of installation. This fireplace does not require any additional venting.

2. Choose your method of supplying power to the unit:

3. Plug in (you may run the power cord out of the framed wall opening to an existing outlet or install an outlet on a nearby wall stud within the wall).

4. Hard wire the fireplace.

! NOTE: Hard wiring can be done by removing the plug from the factory fitted cord and completing the wiring according to National and Local Electrical Codes.

Fireplace Installation

The appliance must be fitted with means for disconnection from the supply mains having a contact separation in all poles that provide full disconnection under overvoltage category III conditions, and these means must be incorporated in the fixed wiring in accordance with the wiring rules.

WARNING: Do not attempt to wire your own new outlets or circuits. To reduce the risk of fire, electric shock or injury to persons, always use a licensed electrician.

Ensure that the 3-Position Switch is set to the Off position ("O") and that the circuit on which the fireplace is to be installed has the power cut off at the service panel until installation is complete.

1. Lift fireplace and insert into opening (Figure 5).
2. Use bubble level (supplied) to level the fireplace within the framing. Adjust as required.
3. Drive four (4) supplied mounting screws through the four (4) mounting holes located in each corner of the fireplace chassis, into wall studs (Figure 6).
4. Refer to Front Glass Installation section, for final

Figure 4

Isometric line drawing of a structural frame or panel assembly (no text or symbols)

Technical line drawing of a modular HVAC unit with structural supports and a magnified inset showing internal components (no text or symbols)

Fireplace Installation

Figure 6

installation procedures.

Flush Mounted Installation - 200mm Deep

CAUTION: Two people may be required for various steps of this procedure.

1. Prepare a wall with a framed opening of 837mm wide x 470 mm high (Figure 7).

! NOTE: The sizing has allowed for approx 7mm around the fireplace insert for ease of installation. This fireplace does not require any additional venting.

1. Choose your method of supplying power to the unit:

- Plug in (you may run the power cord out of the framed wall opening to an existing outlet or install an outlet on a nearby wall stud within the wall).

- Hard wire the fireplace.

! NOTE: Hard wiring can be done by removing the plug from the factory fitted cord and completing the wiring according to National and Local Electrical Codes. The appliance must be fitted with means for disconnection from the supply mains having a contact separation in all poles that provide full disconnection under overvoltage category III conditions, and these means must be incorporated in the fixed wiring in accordance with the wiring rules.

Figure 7

Isometric line drawing of a multi-level building structure with vertical supports (no text or symbols)

Fireplace Installation

WARNING: Do not attempt to wire your own new outlets or circuits. To reduce the risk of fire, electric shock or injury to persons, always use a licensed electrician.

Ensure that the 3-Position Switch is set to the Off position ("O") and that the circuit on which the fireplace is to be installed has the power cut off at the service panel until installation is complete.

1. Lift fireplace and insert into opening. The fireplace's mounting trim should be flush against the wall (Figure 8).
2. Use bubble level (supplied) to level the fireplace within the framing. Adjust as required.
3. Drive four (4) supplied mounting screws through the four (4) mounting holes located on the inside surface of the fireplace chassis, into wall studs (Figure 8).
4. Refer to Front Glass Installation section, for final installation procedures.

Front Glass Installation

1. Evenly distribute supplied glass rock on the front tray of the fireplace (Figure 9).
2. Carefully mount front glass

assembly so that the front glass hooks (4) hang on the front glass mounts on the fireplace (4) (Figure 9).

1. Use the supplied two (2) Phillips sheet metal screws to fasten the glass assembly tabs to the fireplace (Figure 11).
2. Ensure the fireplace's 3-Position Switch is switched to the Off position ("O").
3. If unit is not hard-wired, plug fireplace into a 10 Amp, 230-240 Volt outlet.(refer to NOTE 1).

Operation

Figure 11

Figure 12

A B D F

WARNING: This electric firebox must be properly installed before it is used.

The unit can be controlled by either the manual controls which are located on the upper right of the fireplace or the remote (Figure 11 & 12).

The fireplace is supplied with an IR multifunction remote control.

! NOTE: To operate correctly, the remote control must be pointed towards the Floating Display™.

A. ⏻ Standby

Turns the unit On and Off.

→ Activated by pressing the Standby button on the remote or the unit.

• The unit will turn on with the same

functions that it was set to when it was turned Off and the intake temperature will be indicated on the Floating Display ^TM .

! NOTE: When any button is pressed the intake temperature will be displayed on the Floating Display™ for 5 seconds.

B. Flame Effects

Turns the flame effect On and Off.

→ Activated by pressing the button on the remote.

C. Heat ON/OFF

Turns the heater On and Off.

→ Activated by pressing the 🎨 button on the unit or the remote.

Operation

- Indicated by the 🎨icon and the intake temperature being displayed on the Floating Display™, for 5 seconds before turning off.

! NOTE: After the heater is switched off, there is a 60 second fan delay, where the fan will continue running before turning off.

! NOTE: The unit can be operated in Heat Only Mode. When the unit is only running with the heater, the 🎩icon will continuously be displayed on the Floating Display™.

! NOTE: The heater may emit a slight, harmless odor when first used. This odor is a normal condition caused by initial heating of internal heater parts and will not occur again.

D & E. Thermostat Controls

Adjusts the temperature set point to your individual requirements. Once the desired set temperature is reached the heater will turn off. The heater will cycle on and off to maintain the desired set temperature. The default temperature setting is 72^ F ( 22^ C).

→ Adjusted by pressing the to decrease the setpoint and the

+ to increase the setpoint on the unit or the remote.

- The Floating Display™ will indicate the temperature setpoint as it is adjusted.

! NOTE: Holding the + and the 🔒 buttons down for two seconds, on the unit, will change the temperature from °C to °F, or vice versa.

Disable Heat

If desired, depending on the season, the heater on the unit can be disabled. The unit will operate in the same fashion, with remainder of the controls.

Pressing the 🎨 and 🔒 — buttons on the unit at the same time and holding for 2 seconds will disable and enable the heater.

! NOTE: When the heater has been disabled and either the 🖱 or the + pressed the Floating Display™ will indicate "--".

F. Color Themes

Different presets of ambient lighting color combinations contained in the unit.

Operation

→ Changed by repeatedly pressing the corresponding button on the remote or the unit.
- Cycles through the different preset ambient lighting settings of the unit, this includes different combinations of colours of the flame base and media lighting.

! NOTE: The last theme of the cycle is a prism where the unit cycles through a variety of colours.

Pressing the ⚙ button stops the cycling and holds the unit on the preferred color, indicated by a "U" - Unfreeze or a "F" - Freeze on the display.

G. Brightness

Changes the brightness of the lights in the unit.

→Adjusted by repeatedly pressing the corresponding button on the remote.
- Indicated by the second digit on the Floating Display™ changing to show: "H" (high), and "L" (low).

H. Sleep Timer

The Sleep Timer can be set to automatically shut off the fireplace after a preset time (from 30 minutes to 8 hours).

→ To set the timer press the timer button on the remote, repeatedly, until the desired time is displayed.

- The Floating Display™ will display the different times as it is adjusted. Once the timer has begun, pressing the X button will display the time remaining before the unit turns Off.

! NOTE: The Sleep Timer can be cancelled at any time by pressing the 📄 button repeatedly until the sleep timer displays nothing.

Resetting the Temperature Cutoff Switch

Should the heater overheat, an automatic cut out will turn the whole unit off and it will not come back on without being reset. It can be reset by turning the unit off at the main disconnect panel and waiting 5 minutes before turning the unit back on.

Operation

Maintenance

Remote Control Battery Replacement

To replace the battery:

1. Slide battery cover open on the remote control.
2. Correctly install one 3 Volt (CR2032 [longer life] or CR2025) battery in the battery holder.
3. Close the battery cover.

Battery must be recycled or disposed of properly. Check with your Local

Authority or Retailer for recycling advice in your area

WARNING: Disconnect wer before attempting any intenance or cleaning to uce the risk of fire, electric ock or damage to persons.

Partially Reflective Glass Cleaning

The partially reflective glass is cleaned in the factory during the assembly operation. During shipment, installation, handling, etc., the partially reflective glass may collect dust particles; these can be removed by dusting lightly with a clean dry cloth.

To remove fingerprints or other marks, the partially reflective glass can be cleaned with a damp cloth. The partially reflective glass should be completely dried with a lint free cloth to prevent water spots. To prevent scratching, do not use abrasive cleaners.

Maintenance

Fireplace Surface Cleaning

Use only a damp cloth to clean painted surfaces of the fireplace. Do not use abrasive cleaners.

Servicing

Except for installation and cleaning described in this manual, an authorized service representative should perform any other servicing.

Contact Details

Glen Dimplex Australia Pty Ltd

8 Lakeview Drive, Scoresby,

VIC 3179

Australia

Phone: [phone]

Email: [e-mail]

Web: www.dimplex.com.au

Glen Dimplex New Zealand Pty Ltd

38 Harris Road

East Tamaki, 2013 Auckland

New Zealand

Ph: 0800 666 2824

Email: [e-mail]

Web: www.dimplex.co.nz