Dimplex BLF74 Building instructions

Service Manual

Model

BLF74

UL Part Number

6908740100

7400740000R00

In keeping with our policy of continuous product development, we reserve the right to make changes without notice.

Dimplex North America Limited

1367 Industrial Road Cambridge ON Canada N1R 7G8

1-888-346-7539 www.dimplex.com

REV PCN DATE

00 - 26-NOV-13

IMPORTANT SAFETY INFORMATION: Always read this manual rst before attempting to service this replace. For your

safety, always comply with all warnings and safety instructions contained in this manual to prevent personal injury or prop-

erty damage.

2 www.dimplex.com

Always use a qualied technician or service agency to repair this replace.

!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 re, serious

injury, or death.

Operation .................................................. 3

Maintenance................................................ 4

Exploded parts diagram ...................................... 5

Replacement Parts List....................................... 5

Wiring Diagram ............................................. 6

Preparation for service ....................................... 7

Instructions for removing from wall ............................ 7

Surface Mount .............................................................. 7

Flush Mount – Complete In-wall ............................................... 8

On/Off Switch Replacement ................................... 8

Remote Switchboard Replacement ............................. 9

Remote Control Receiver Replacement ......................... 9

LED Driver Board Replacement ............................... 10

Voltage Selector Switch Replacement.......................... 10

Flicker Motor/ Flicker Rod Replacement........................ 11

Terminal Block Replacement ................................. 11

LED Light Strips Replacement................................ 12

High Temperature Cutout Replacement ........................ 12

Element Replacement ....................................... 13

Blower/fan Replacement..................................... 13

Troubleshooting Guide ...................................... 15

TABLE OF CONTENTS

the replace off and it will not come back on without being

reset. It can be reset by switching the On/Off Switch to Off

and waiting ve minutes before switching the unit back on.

CAUTION: If you need to continuously reset the heater,

disconnect power and call Dimplex customer service at

1-888-DIMPLEX (1-888-346-7539).

Remote Control

The replace is supplied with a radio frequency remote

control. This remote control has a range of approximately

50 ft. (15.25 m), it does not have to be pointed at the re-

place and can pass through most obstacles (including

walls). It is supplied with one of hundreds of independent

frequencies to prevent interference with other units.

!NOTE: Before attempting any operation with the re-

mote, pull the plastic insulator strip out from between

the remote casing and battery cover (Figure 2).

Remote Control Usage

The remote control operates the replace levels sequen-

tially (from off): ames only; to ames and heat.

!NOTE: There is a third level that does not change the

output, before cycling back to ame only.

The level is increased every time the ON button is pressed

on the remote control and the replace can be turned off at

any point by pressing the OFF button.

Remote Control Initialization/Reprogramming

If the remote control or remote control receiver has been

replaced, follow these steps to initialize the remote control

and receiver:

1. Ensure that power is supplied through the main service

panel.

2. Turn On/Off Switch to ON (Figure 1A).

3. Move the 3-position switch to the “ REMOTE ” position

(Figure 1B).

4. Press and hold the Manual Control Button marked “ I”

for ve seconds. After ve seconds, there is a 10 sec-

ond window to press any button on the remote control.

5. Press any button on the remote control within that 10

seconds. This will synchronize the remote control and

receiver.

Battery Replacement

To replace the battery:

1. Slide battery cover open on the remote control (Figure

2).

2. Install one 12-Volt

(A23) battery in the

battery holder.

3. Close the battery

cover.

Battery must be re-

cycled or disposed

of properly. Check

with your Local Authority

or Retailer for recycling

advice in your area.

OPERATION

Figure 1

C B

WARNING: This electric rebox must be properly in-

stalled before it is used.

CAUTION: The voltage selector switch needs to be set

to reect the incoming voltage to the unit - 115V or 230V

before operating the unit.

The manual controls for the electric replace are located

on the right side of the unit and inside the air intake slot

(Figure 1).

A. On/Off Switch

The On/Off Switch supplies power to all replace functions.

When the switch is in the “ I” position, the unit is on. When

in the “ O ” position, the replace is off.

B. 3-Position Switch

The 3-position Switch changes the mode the replace oper-

ates in and has three positions: “ MANUAL ”; “ OFF ”; and “

REMOTE ”.

In “ MANUAL ” mode, the replace’s three levels of opera-

tion are controlled by the manual control buttons.

In “ OFF ” mode, power to all functions is cut off.

When in “ REMOTE ” mode, the replace’s levels of op-

eration are controlled by the ON and OFF buttons on the

remote control.

C. Manual Control Buttons

The Manual Control Buttons operate the replace levels.

The level is increased every time the “I” button is pressed

the unit will cycle the levels through sequentially (from off):

ames only; to ames and heat.

!NOTE: There is a third level that does not change the

output, before cycling back to ame only.

The replace can be turned off at any point by pressing the

“ O” button.

!NOTE: The heater may emit a slight, harmless odor

when rst used. This odor is a normal condition caused

by initial heating of internal heater parts and will not occur

again.

Resetting the Temperature Cutoff Switch

Should the heater overheat, an automatic cut out will turn

Figure 2

Off Button

Button

Battery

Cover

Plastic

Strip

4 www.dimplex.com

MAINTENANCE

 WARNING: Disconnect power and allow heater to cool

before attempting any maintenance or cleaning to reduce

the risk of re, electric shock or damage to persons.

!NOTE: The replace should not be operated with an

accumulation of dust or dirt on or in the unit, as this can

cause a build up of heat and eventual damage. For this

reason the heater must be inspected regularly, depending

upon conditions and at least at yearly intervals.

Partially Reective Glass Cleaning

The partially reective glass is cleaned in the factory dur-

ing the assembly operation. During shipment, installation,

handling, etc., the partially reective glass may collect dust

particles; these can be removed by dusting lightly with a

clean dry cloth.

To remove ngerprints or other marks, the partially reec-

tive glass can be cleaned with a damp cloth. The partially

reective glass should be completely dried with a lint free

cloth to prevent water spots. To prevent scratching, do not

use abrasive cleaners.

Fireplace Surface Cleaning

Use only a damp cloth to clean painted surfaces of the

replace. Do not use abrasive cleaners.

Servicing

Except for installation and cleaning described in this manu-

al, an authorized service representative should perform any

other servicing.

EXPLODED PARTS DIAGRAM

REPLACEMENT PARTS LIST

1. Element........................2200510700RP

2. Partially Reective Glass Kit ........9600750100RP

3. Blower Assembly.................5300160300RP

4. Front Glass .....................6908730100RP

5. Flicker Motor ....................2000220100RP

6. Flicker Assembly ................5902490100RP

7. Cutout .........................2300201600RP

8. LED Light Panel (3/unit) ...........3000830200RP

(Serial #’s starting with 28113-28313 .3000830100RP)

9. Remote Receiver ................3000821000RP

10. Switch Board.................... 3000821100RP

11. LED Driver Board ................3000810100RP

12. LED Driver Board ................3000810200RP

13. On/Off Switch ...................2800070400RP

14. Voltage Selector Switch ...........2800080100RP

15. Remote Control..................3000370900RP

16. Glass Media ....................1400070100RP

17. Terminal Block...................4000070100RP

18. Mounting Kit ....................9600760100RP

19. 120V Plug Kit ................... BLF-PLUG-KIT

Accessories

Wall Switch Remote Control ..............WRCPF-KIT

OEM Accessory

River Rocks ..............................DFS1314

6 www.dimplex.com

WIRING DIAGRAM

RL3

RL2

RL1

120

240

COMM

VOLTAGE SELECTOR SWITCH

BLOWER MOTOR

HEATING ELEMENT

FLAME MOTOR

CAPACITOR

LED CONTROL BOARD

LED LIGHTS

LED CONTROL BOARD

THERMAL

CUTOUT

CONTROL PCBL

240 V~ / 60 HZ

Power Supply

(Breaker Panel)

CONTROL PCB

THERMAL

CUTOUT

LED CONTROL BOARD

LED LIGHTS

LED CONTROL BOARD

CAPACITOR

FLAME MOTOR

HEATING ELEMENT

BLOWER MOTOR

VOLTAGE SELECTOR SWITCH

COMM 240

120

RL1

RL2

RL3

2. For No Heat installations

leave L2 unconnected with

a wire connector on the end

1. Regular installation

attach N and L2 together

3. For installation with a

Heat Disconnect Switch

See Options

Below

Different Heat Control Options

L2 Wall On/Off Switch

Wall On/Off

Switch

Different Heat Control Options

3. For installation with a

Heat Disconnect Switch

1. Regular installation

attach Neutral and L2 to

the panel

2. For No Heat installations

leave L2 unconnected with

a wire connector on the end

See Options

Below

120V Installations

240V Installations

PREPARATION FOR SERVICE

!NOTE: All components are replaceable from the front

of the replace while the unit is mounted on the wall, with

the exception of replacement of the power cord.

!NOTE: If the power cord needs replacing or if the unit

needs to be removed from the wall for any other reason

please begin service by following the “PREPARATION

FOR SERVICE” instructions, then move on to the section

“INSTRUCTIONS FOR REMOVING FROM WALL”.

Tools Required: Philips head screwdriver

WARNING: Disconnect power before attempting any

maintenance or cleaning to reduce the risk of electric

shock or damage to persons.

CAUTION: If unit was operating prior to servicing allow

at least 10 minutes for lights and heating elements to cool

off to avoid accidental burning of skin.

1. Disconnect power source.

• Unplug the replace from the outlet.

• If unit has been hardwired for power or outlet is not

accessible from the front, turn the breaker off at the

electrical panel.

2. Remove the front glass assembly by removing the

4 screws (1 on the left and 1 on the right side and 1

on either side of the top front vent opening). These

screws secure the front glass panel to the inside of the

replace. (Figure 4)

3. Lift the front glass assembly off of the 4 mounts located

between the outer and inner casing of the replace: 2

on the left and 2 on the right. (Figure 3) Carefully place

the glass assembly aside in a safe location.

4. Proceed to the instructions within this manual relating

to the repair being performed - see Table of Contents

for page number.

INSTRUCTIONS FOR REMOVING

FROM WALL

WARNING: Disconnect power before attempting any

maintenance or cleaning to reduce the risk of electric

shock or damage to persons.

CAUTION: If unit was operating prior to servicing allow

at least 10 minutes for lights and heating elements to cool

off to avoid accidental burning of skin.

!NOTE: Only required for replacement of the power

cord or removal from service.

CAUTION: Follow “Preparation for Service” instructions

before proceeding.

Mounting - The replace may be mounted in one of 2 meth-

ods:

• Surface Mount

• Flush Mount (completely in the wall)

Identify the type of mounting and follow the appropriate

instructions in the following pages.

CAUTION: Two people will be required for removal

and re-installation of the replace. The unit is approx. 74

5/16”w x 19 1/2”h x 7”d. Weight is approximately 130 lbs.

CAUTION: To prevent injury or damage, turn off the

breaker in your electrical panel prior to attempting to re-

move this unit off the wall.

!NOTE: If replace is hard wired directly to the electri-

cal panel, and there is not enough slack in the wires within

the wall to reach your work area, remove the electrical junc-

tion box cover located on the bottom right by removing the

1 screw on the front of the cover. Lift the cover off and set

aside. Disconnect the 3 wire connectors connected to the

power source, taking note of their original conguration.

Surface Mount

(Figure 6)

Tools Required: Philips head screwdriver

CAUTION: Follow “Preparation for Service” instructions

before proceeding.

1. Remove the decorative glass ember-bed pieces from

the media tray, which lies along the bottom of the

interior Partially Reective Glass. A medium sized

container such as a bucket or a box will be needed to

keep the glass ember-bed pieces together.

2. On the bottom of the unit remove the securing screw

from the L-bracket. (Figure 5)

3. With one person on either end of the unit lift the unit up

and off of the wall.

4. Carefully lay the unit down on a solid at surface with

the front of the unit facing up.

!NOTE: If the surface you are using as a work area on

is a nished surface that is prone to scratches (i.e. hard-

Figure 4 Tab

Figure 3

Hooks (4)

Mounts (4)

8 www.dimplex.com

wood ooring), it is recommended that a protective barrier

be used underneath, (i.e. cloth, cardboard, thick plastic).

5. Proceed to the instructions within this manual relating

to the repair being performed - see Table of Contents

for page number.

6. Once repair is complete, reassemble in the reverse

order as above.

Flush Mount – Complete In-wall

(Figure 7)

Tools Required: Philips head screwdriver

CAUTION: Follow “Preparation for Service” instructions

before proceeding.

1. Remove the decorative glass ember-bed pieces from

the media tray, which lies along the bottom of the

interior Partially Reective Glass. A medium sized

container such as a bucket or a box will be needed to

keep the glass ember-bed pieces together.

2. Locate and remove the 4 mounting screws inside the

unit located on left and right side towards the front.

There are 2 screws per side, going from the side

panels out into the side of the wall stud that frames the

replace. (Figure 7)

CAUTION: The unit should be supported while remov-

ing the screws to prevent the unit from falling.

3. Remove the replace out of the opening by slightly lift-

ing and pulling forward.

4. Carefully lay the unit down on a solid at surface with

the front of the unit facing up.

!NOTE: If the surface you are using as a work area is

a nished surface that is prone to scratches (i.e. hardwood

ooring), it is recommended that a protective barrier be

used underneath, (i.e. cloth, cardboard, thick plastic).

5. Proceed to the instructions within this manual relating

to the repair being performed - see Table of Contents

for page number.

6. Once repair is complete, reassemble in the reverse

order as above.

ON/OFF SWITCH REPLACEMENT

WARNING: Disconnect power before attempting any

maintenance or cleaning to reduce the risk of electric

shock or damage to persons.

CAUTION: If unit was operating prior to servicing allow

at least 10 minutes for lights and heating elements to cool

off to avoid accidental burning of skin.

Tools required: Phillips head screwdriver.

Needle nosed pliers.

CAUTION: Follow “Preparation for Service” instructions

before proceeding.

1. Remove the 2 screws, that secure the controls assem-

bly (Figure 8), located at the top of the mirror on the

right side of the unit.

Wall Surface

Mounting Hole

Figure 7

Figure 5

Figure 6

2. Slide the controls assembly out toward the front of the

unit.

CAUTION: Ensure that the assembly is removed care-

fully, ensuring that no wires are caught or over strained.

3. Using needle nose pliers, pinch the tabs on either side

of the switch to release and push the switch up and out

of the opening.

!NOTE: Note the orientation of the switch prior to re-

moving.

4. Locate the On/Off Switch (Figure 9).

5. Disconnect the wiring connections noting their original

locations.

!NOTE: Using a at head screwdriver gently pry be-

tween the end of the connectors and the switch to release

the wires.

6. Reconnect wires onto the prongs on the switch in their

original conguration.

7. Insert the new switch by pushing switch back through

the hole past the side tabs on the switch, securing it in

the opening.

8. Reassemble in the reverse order as above.

REMOTE SWITCHBOARD

REPLACEMENT

WARNING: Disconnect power before attempting any

maintenance or cleaning to reduce the risk of electric

shock or damage to persons.

CAUTION: If unit was operating prior to servicing allow

at least 10 minutes for lights and heating elements to cool

off to avoid accidental burning of skin.

Tools required: Phillips head screwdriver.

Needle nosed pliers

Wire snips

CAUTION: Follow “Preparation for Service” instructions

before proceeding.

1. Remove the 2 screws, that secure the controls assem-

bly (Figure 8), located at the top of the mirror on the

right side of the unit.

2. Slide the controls assembly out toward the front of the

unit.

CAUTION: Ensure that the assembly is removed care-

fully, ensuring that no wires are caught or over strained.

3. Locate the switchboard (Figure 9).

4. Disconnect the wiring harness from the switchboard.

5. To remove the switchboard off of the plastic mounting

tabs, pinch the plastic mounting tabs with needle nose

pliers. Pull the old board off.

!NOTE: If the location of the unit does not allow for the

tabs to be easily manipulated, the top portion of the mount-

ing tabs can be cut off (replacement ones are provided with

the replacement switchboard).

6. Line up the holes on the switchboard and gently press

the new board onto the mounts. Make sure the board

is secure.

7. Reconnect the wire harness onto the back of the

switchboard in its original conguration. .

8. Reassemble in the reverse order as above.

REMOTE CONTROL RECEIVER

REPLACEMENT

WARNING: Disconnect power before attempting any

maintenance or cleaning to reduce the risk of electric

shock or damage to persons.

CAUTION: If unit was operating prior to servicing allow

at least 10 minutes for lights and heating elements to cool

off to avoid accidental burning of skin.

Tools required: Phillips head screwdriver.

Needle nosed pliers.

Wire snips

CAUTION: Follow “Preparation for Service” instructions

before proceeding.

1. Remove the 2 screws, that secure the controls assem-

bly (Figure 8), located at the top of the mirror on the

right side of the unit.

Figure 8

Figure 9

Retaining Screws

Remote

Receiver

12 LED

Driver Board

6 LED

Driver Board

Voltage

Selector

Switch

Board

On/Off

Switch

Controls Assembly

10 www.dimplex.com

2. Slide the controls assembly out toward the front of the

unit.

CAUTION: Ensure that the assembly is removed care-

fully, ensuring that no wires are caught or over strained.

3. Locate the remote control receiver (Figure 9).

4. Transfer the wiring connections from the existing re-

ceiver to the new receiver.

!NOTE: Using a at head screwdriver gently pry be-

tween the end of the connectors and the board to release

the wires.

5. Remove the remote control receiver off the plastic

mounts by pinching the plastic mounting tabs with

needle nose pliers. Pull the old board off.

6. Line up the holes on the receiver and gently press the

new board onto the mounts. Make sure the board is

secure.

7. Reassemble in the reverse order as above.

CAUTION: When re-installing, be sure the wires are

guided and tucked into the proper openings along the right

side so they are not pinched and allows enough space to

reinstall the panel.

LED DRIVER BOARD

REPLACEMENT

WARNING: Disconnect power before attempting any

maintenance or cleaning to reduce the risk of electric

shock or damage to persons.

CAUTION: If unit was operating prior to servicing allow

at least 10 minutes for lights and heating elements to cool

off to avoid accidental burning of skin.

Tools required: Phillips head screwdriver

Needle nosed pliers

Wire snips

CAUTION: Follow “Preparation for Service” instructions

before proceeding.

1. Remove the 2 screws, that secure the controls assem-

bly (Figure 8), located at the top of the mirror on the

right side of the unit.

2. Slide the controls assembly out toward the front of the

unit.

CAUTION: Ensure that the assembly is removed care-

fully, ensuring that no wires are caught or over strained.

3. Locate the defective LED driver board (Figure 9).

4. Transfer the wiring connections from the existing driver

board to the new driver board.

!NOTE: Using a at head screwdriver gently pry be-

tween the end of the connectors and the board to release

the wires.

5. Remove the LED driver board off the plastic mounts

by pinching the plastic mounting tabs with needle nose

pliers. Pull the old board off.

6. Line up the holes on the driver board and gently press

the new board onto the mounts. Make sure the board

is secure.

7. Reassemble in the reverse order as above.

CAUTION: When re-installing, be sure the wires are

guided and tucked into the proper openings along the right

side so they are not pinched and allows enough space to

reinstall the panel.

VOLTAGE SELECTOR SWITCH

REPLACEMENT

WARNING: Disconnect power before attempting any

maintenance or cleaning to reduce the risk of electric

shock or damage to persons.

CAUTION: If unit was operating prior to servicing allow

at least 10 minutes for lights and heating elements to cool

off to avoid accidental burning of skin.

Tools Required: Philips head screwdriver

Flat head screwdriver

Wire cutters/strippers

Needle nose pliers

CAUTION: Follow “Preparation for Service” instructions

before proceeding.

1. Remove the 2 screws, that secure the controls assem-

bly (Figure 8), located at the top of the mirror on the

right side of the unit.

2. Slide the controls assembly out toward the front of the

unit.

CAUTION: Ensure that the assembly is removed care-

fully, ensuring that no wires are caught or over strained.

3. Locate the voltage selector switch (Figure 9).

4. Remove the voltage selector wire connections from the

switch noting their original locations.

!NOTE: Using a at head screwdriver gently pry be-

tween the end of the connector and the switch to release

the wires.

5. Depress the retainer clips on the rear of the voltage

selector switch and push the switch out of the front of

the panel.

6. Properly orient and reinstall the new switch.

7. Reconnect all of the wiring connections.

8. Reassemble in the reverse order as above.

CAUTION: When re-installing, be sure the wires are

guided and tucked into the proper openings along the right

side so they are not pinched and allows enough space to

reinstall the panel.

Other manuals for BLF74

Table of contents

Other Dimplex Indoor Fireplace manuals

Dimplex

Dimplex 30" FIREPLACE User manual

Dimplex

Dimplex CAS500R-RGB-EU Instruction Manual

Dimplex

Dimplex Brayford BFD20E Instruction Manual

Dimplex

Dimplex DF2024 User manual

Dimplex

Dimplex ELGAR EGR20 User manual

Dimplex

Dimplex VCX1525 User manual

Dimplex

Dimplex CASTILLO CS3550 User manual

Dimplex

Dimplex Xpression SP220 User manual

Dimplex

Dimplex Prism 50 User manual

Dimplex

Dimplex MULTIFIRE DF3015 User manual

Dimplex

Dimplex DIMPLEX ELECTRIC FIREPLACE Operating instructions

Dimplex

Dimplex DF2608-EU User manual

Dimplex

Dimplex BFSL33 User manual

Dimplex

Dimplex BLF50 User manual

Dimplex

Dimplex Ignite 50" User manual

Dimplex

Dimplex Rectory REC20R User manual

Dimplex

Dimplex DFOP25 User manual

Dimplex

Dimplex DNV20BR User manual

Dimplex

Dimplex BLF74 User manual

Dimplex

Dimplex MULTI-FIRE SL PLF3614-XS User manual

Dimplex

Dimplex Optiflame Gorstan GST20 Instruction Manual

Dimplex

Dimplex Eltham Mantel 2kW User manual

Dimplex

Dimplex TOLUCA TLC20 Instruction Manual

Dimplex

Dimplex EWMC-CC-SS User manual

Popular Indoor Fireplace manuals by other brands

Brigantia

Brigantia 35-DVRS31N-2 User's installation, operation and maintenance manual

Nordpeis

Nordpeis Bergen Installation and user manual

Superior

Superior BCT2536TMN Installation and operation instructions

Quadra-Fire

Quadra-Fire 5100I-GD-B owner's manual

Renaissance

Renaissance RUMFORD 1000 user manual

Lacunza

Lacunza IV-800 Instruction book

Baxi

Baxi 940 Installer and owner guide

Dru

Dru Maestro 60/2 Tall RCH installation manual

Diamond Fireglass

Diamond Fireglass SS-O22 General assembly, installation, and operation instructions

HearthStone

HearthStone Windsor Bay 8830 Owner's manual and installation guide

Napoleon

Napoleon ASCENT B42 quick start guide

Enviro

Enviro E33GI owner's manual

Smeg

Smeg L30 FABE Installation & user's instructions

KEDDY

KEDDY K700 Installation instructions care and firing instructions

Godin

Godin 3451 manual

Jøtul

Jøtul Jotul GI 535 DV IPI New Harbor Installation and operation instructions

Austro Flamm

Austro Flamm Heidi Back 2.0 945048 operating manual

Desa

Desa CCFPDFT Owner's operating & installation manual