DIMPLEX CDFI-BX1000 Built-In Box With Heat Owner’s Manual

DIMPLEX CDFI-BX1000 Built-In Box With Heat

The Dimplex Opti-myst Pro Box Heater comes in two models: CDFI-BX1000 and CDFI-BX1500. Always read this manual first before attempting to service this fireplace. For your safety, always comply with all warnings and safety instructions contained in this manual to prevent personal injury or property damage.

Important Safety Information

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.

product Operation

The heater can be controlled by remote, or the tethered controller through the Opti-myst Cassette. Please refer to cassette User’s Guide for details.

NOTE: The Opti-myst Pro Box Heater cannot be operated independently from the Opti-myst Cassette (no heat only mode).

product Maintenance

Should the heater overheat, an automatic switch will turn the heater off and it will not come back on without being reset. The temperature cutoff switch can be reset by disconnecting power to the unit, waiting 5 minutes and reconnecting power to the unit.

CAUTION: If you need to continuously reset the heater, disconnect power to the unit and call Glen Dimplex Americas at 1-888-346-7539 for technical support. Please have your model and serial number ready when calling. To remove fingerprints or other marks, the exterior finish can be cleaned with a damp cloth with a mild detergent. The surface should be completely dried with a lint-free cloth to prevent water spots. Except for installation and cleaning described in this manual, an authorized service representative should perform any other servicing.

NOTE: The heater 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.

product Wiring Diagram

• Live Neutral
• Live +24V
• Heat BOX Neutral

Block Diagram for CDFI-BX1500

• PRO BOX RELAY BOARD
• WHITE-N BLACK-L GREEN-G
• 120V POWER SUPPLY
• WHITE-N BLACK-L GREEN-G
• CDFI-BX1500 JUNCTION BOX
• WHITE-N BLACK-L GREEN-G

product Exploded Parts Diagram

Replacement Parts List

1. Heater Assembly CDFI-BX1000: 2203610300RP; CDFI-BX1500: 2203610600RP
2. Relay Board: 3001890100RP; CDFI-BX1000 MOD – include: 8501580100RP
3. Media Tray CDFI-BX1000: 1028280100RP; CDFI-BX1500: 9602610100RP
4. Front Glass CDFI-BX1000: FG1000; CDFI-BX1500: FG1500

Product Usage Instructions

1. Read the service manual carefully before attempting to service the fireplace.
2. Always use a qualified technician or service agency to repair this fireplace.
3. Control the heater using the remote or the tethered controller through the Opti-myst Cassette. Please refer to the cassette User’s Guide for details.
4. The Opti-myst Pro Box Heater cannot be operated independently from the Opti-myst Cassette (no heat only mode).
5. If the heater overheats, disconnect power to the unit, wait for 5 minutes, and then reconnect power to the unit.
6. To clean the exterior finish of the heater, use a damp cloth with a mild detergent. Dry the surface completely with a lint-free cloth to prevent water spots.
7. Except for installation and cleaning described in this manual, an authorized service representative should perform any other servicing.
8. Inspect the heater regularly, depending upon conditions, and at least at yearly intervals.

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

Operation

The heater can be controlled by remote, or the tethered controller through the Opti-myst Cassette. Please refer to cassette User’s Guide for details.

NOTE: The Opti-myst Pro Box Heater cannot be operated independently from the Opti-myst Cassette (no heat only mode).

Resetting the Temperature Cutoff Switch
Should the heater overheat, an automatic switch will turn the heater off and it will not come back on without being reset. The temperature cutoff switch can be reset by disconnecting power to the unit, waiting 5 minutes and reconnecting power to the unit.

CAUTION: If you need to continuously reset the heater, disconnect power to the unit and call Glen Dimplex Americas at 1-888-346-7539 for technical support. Please have your model and serial number ready when calling.

Maintenance

Opti-myst Pro Box Heater Surface Cleaning
To remove fingerprints or other marks, the exterior finish can be cleaned with a damp cloth with a mild detergent. The surface should be completely dried with a lint free cloth to prevent water spots.

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

NOTE: The heater 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.

Wiring Diagram

Block Diagram for CDFI-BX1500

Exploded Parts Diagram

Replacement Parts List

1. Heater Assembly
   • CDFI-BX1000. . . . . . . . . . . . . . . . . . 2203610300RP
   • CDFI-BX1500. . . . . . . . . . . . . . . . . . 2203610600RP
2. Relay Board . . . . . . . . . . . . . . . . . . . . 3001890100RP
   • CDFI-BX1000 MOD – include. . . . . . 8501580100RP
3. Media Tray
   • CDFI-BX1000. . . . . . . . . . . . . . . . . . 1028280100RP
   • CDFI-BX1500. . . . . . . . . . . . . . . . . . 9602610100RP
4.  Front Glass
   • CDFI-BX1000. . . . . . . . . . . . . . . . . . . . . . . . FG1000
   • CDFI-BX1500. . . . . . . . . . . . . . . . . . . . . . . . FG1500
5. Hole covers (set of 4)* . . . . . . . . . . . . 9601740100RP
6. Glass Hardware . . . . . . . . . . . . . . . . . 8800930159RP

• CDFI-BX1500 will require 2 packs, as there are 6 hole covers in total

Relay 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

1. Remove the front glass by pulling it up and out. Ensure that it is kept in a safe place during the service.

2. Remove any media on the tray, and lift out the tray.

3. Remove the Opti-Myst cassette in order to access the relay board at the bottom left side of the unit. For the CDFI-1500BX, only the cassette on the left needs to be removed. If necessary, disconnect the power supply wires from the cassette, as well as the heater wire.

4. Remove the cover plate by unscrewing the four screws that hold it in place. (Figure 1)

5. Disconnect the wires from the relay board, noting their original locations. It can be helpful to take a picture of the relay board before the wires are disconnected in order to keep track of each wire’s place.

6. Unscrew the four screws that secure the board to the standoffs. (Figure 2)
   NOTE: On the CDFI-BX1000 with no MOD designation, these will instead be snap-in standoffs. The snap-in standoffs will need to be cut, and the new board will need to be installed using selfadhesive standoffs.

7. Properly orient the new relay board and screw it back into place.

8. Reconnect the wires in their original locations.

9. Reassemble the unit in the reverse order as above

Heater Assembly 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 Side cutters

NOTE: While not necessary, it may be helpful to have a second person to assist in holding the upper components while the other person completes the service on the heater assembly.

1. Remove the front glass by pulling it up and out. Ensure that it is kept in a safe place during the service.
2. Remove the hole plugs that conceal the holes on the front of the heater exhaust bracket.
3. Remove the heat exhaust bracket at the top of the pro-box by unscrewing the screws in the front which are accessed through the holes, as well as the screws in the back (CDFI-BX1000 has 8 screws in total, and the CDFI-BX1500 has 12 screws in total). (Figure 3)
4. Remove the heater cover plate by unscrewing the 12 screws around its periphery. Be sure to hold the heater assembly as it comes down.
5. Remove the 4 screws that secure the retaining brackets to the heater cover plate. (Figure 4)
6. Remove the 2 screws on each retaining bracket (4 total) that secure each bracket to the heater assembly. Set the brackets aside. (Figure 5)
7. Snip the two cable ties that secure the wires to the heater assembly.
8. Disconnect the wires from the heater assembly, noting their original locations. It can be helpful to take a picture of the heater assembly connections before the wires are disconnected in order to keep track of each wire’s place.
9. Secure each of the two retaining brackets to the new heater assembly.
10. Reconnect the wires to the new heater assembly. Use the provided cable ties to secure the wires to the heater assembly, ensuring that they do not interfere with the fan or the element.
11. Secure the retaining brackets to the heater cover.
12. Reassemble the unit in the reverse order as above.

Troubleshooting Guide

General
Circuit breaker trips or fuse blows when unit is turned on| Short in unit wiring.| Trace wiring in unit.
Improper circuit current rating| Additional appliances may exceed the current rating of the circuit breaker or fuse. Plug unit into another outlet or install unit on a dedicated 15 amp circuit.
Lights dim in room while the unit is on| Unit is drawing close to circuit current rating| Move the unit to another outlet or install unit on a dedicated 15 amp circuit
PROBLEM| CAUSE| SOLUTION
Heater

Heat is not turning on

| Improper operation| Refer to Operation section in CDFI cassette owner’s manual.
Defective heater assembly| Replace heater assembly
Defective relay board| Replace relay board
Cassette connector extension was con- nected with polarity reversed (wrong way) — Problems with powering on the cassette may also be experienced| Replace relay board.

Replace cassette main control boards.

Remove extension wire, and connect wire directly from cassette to Pro-Box.

Heat is not turning off| Defective relay board| Replace relay board
Heater shuts off on its own; cutout is engaged| An accumulation of dust or debris is pre- venting the fan from functioning properly| Carefully clean heater assembly and air intakes and exhaust using compressed air.
Defective heater assembly| Replace heater assembly
Noise
Excessive noise with the heater on| Dirty heater assembly| Ensure that exterior intake louvers and firebox cavity are free of dirt/dust.
For troubleshooting related to the remote, flame, sound, or plumbing, refer to the CDFI Cassette Service Manual.

1-888-346-7539 | www.dimplex.com In keeping with our policy of continuous product improvement, we reserve the right to make changes without notice. © 2020 Glen Dimplex Americas www.dimplex.com

References

• Electric Fireplace & Heating Solutions | Dimplex

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