Nortek BDFC-2.8-AK Owner's Manual
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Nortek BDFC-2.8-AK Owner's Manual

Multi variable heat pump floor and ceiling type indoor unit
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Nortek Global HVAC, LLC
Please read this owner's manual carefully before operation and retain it for future reference
Specifications & illustrations subject to change without notice or incurring obligations
Multi Variable Heat Pump
Floor and Ceiling Type Indoor Unit
Owner's Manual
Heat Pump
Models:
BDFC-2.8(09)-AK
BDFC-5.0(18)-AK
BDFC-9.0(30)-AK
BDFC-12.5(42)-AK
BDFC-3.6(12)-AK
BDFC-7.1(24)-AK
BDFC-11.2(36)-AK
BDFC-14.0(48)-AK

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Summary of Contents for Nortek BDFC-2.8-AK

  • Page 1 Nortek Global HVAC, LLC Multi Variable Heat Pump Floor and Ceiling Type Indoor Unit Owner's Manual Heat Pump Models: BDFC-2.8(09)-AK BDFC-3.6(12)-AK BDFC-5.0(18)-AK BDFC-7.1(24)-AK BDFC-9.0(30)-AK BDFC-11.2(36)-AK BDFC-12.5(42)-AK BDFC-14.0(48)-AK Please read this owner’s manual carefully before operation and retain it for future reference...
  • Page 2 Preface For correct installation and operation, please read all instructions carefully. Before reading the instructions, please be aware of the following items: DANGER: Failure to comply may result in severe personal injury, property damage and/or WARNING death. CAUTION CAUTION: Failure to comply may result in personal injury and/or property damage. NOTICE is used to address practices not related to personal injury.

  • Page 3: Table Of Contents

    Contents 1 SAFETY PRECAUTIONS ............................. 1 2 PRODUCT INTRODUCTION ..........................2 2.1 N ........................... 2 AMES OF OMPONENTS 2.2 R ..........................2 ATED ORKING ONDITION 2.3 U .............................. 2 UNCTIONS 3 INSTALLATIONPREPARATION .......................... 3 3.1 S ............................3 TANDARD ITTINGS 3.2 S ......................

  • Page 4: Safety Precautions

    Multi Variable Heat Pump Floor and Ceiling Type Indoor Unit 1 Safety Precautions WARNING (1) Follow this instruction to complete the installation work. Please read this manual carefully before unit startup and service. (2) Wire size of power cord should be sized correctly. The damaged power cord and connection wire should be replaced by specialized cable.

  • Page 5: Product Introduction

    Multi Variable Heat Pump Floor and Ceiling Type Indoor Unit 2 Product Introduction 2.1 Names of Key Components Fig.2.1 Drainage Connection Main Display Name Air Inlet Grille (With Filter) Louver Pipe Pipe Unit board 2.2 Rated Working Condition Indoor Side Condition Outdoor Side Condition Dry Bulb Temp °C(F) Wet Bulb Temp °C(F)

  • Page 6: Installationpreparation

    Multi Variable Heat Pump Floor and Ceiling Type Indoor Unit 3 InstallationPreparation Note: Product illustrations are for reference only. Please refer to the actual product. Unspecified measure unit is mm/inch. 3.1 Standard Fittings Please use the following provided accessories according to the requirement. Name Appearance Q’ty...

  • Page 7: Requirements Of Communication Wire Selection

    Multi Variable Heat Pump Floor and Ceiling Type Indoor Unit Ceiling type fig.3.2 (1) The unit shall be installed in accordance with national standards or local regulations. (2) Only qualified personnel can carry out installation work, please contact with local dealer before installation. (3) Do not connect power until all installation work is finished.

  • Page 8: Wiring Requirement

    Multi Variable Heat Pump Floor and Ceiling Type Indoor Unit 3.3.2 Selection of communication wire between Indoor Unit and Indoor Unit (Outdoor Unit ) Fig.3.3.2 Total length of communication wire Wire diameter Wire type between indoor unit and Wire standard Remark indoor unit(outdoor unit) (m/yd)
  • Page 9 Multi Variable Heat Pump Floor and Ceiling Type Indoor Unit Fig.4.1.2.1 Below are dimensions of A, B, C, etc. for different models: Unit: mm/inch Models: BDFC-2.8(09)-AK 1220 1158 BDFC-3.6(12)-AK 8-7/8 45-5/8 27-1/2 BDFC-5.0(18)-AK 1420 1354 BDFC-7.1(24)-AK BDFC-9.0(30)-AK 55-15/16 9-5/8 53-5/16 27-1/2 BDFC-11.2(36)-AK 1700...
  • Page 10 Multi Variable Heat Pump Floor and Ceiling Type Indoor Unit (6) Adjust the height of the unit to make the drain pipe slope slightly downward so that the drainage will become much smoother as shown in Fig. 4.1.2.3. Floor type Fig.4.1.2.2 Ceiling type Fig.4.1.2.3...

  • Page 11: Refrigerant Pipe Connection

    Multi Variable Heat Pump Floor and Ceiling Type Indoor Unit Fig.4.1.3 4.2 Refrigerant Pipe Connection (1) Align the flaring port of copper pipe with the center of screwed joint and then tighten the flaring nut by hand as shown in Fig. 4.2. (2) Tighten the flaring nut with torque wrench.
  • Page 12 Multi Variable Heat Pump Floor and Ceiling Type Indoor Unit Connect the drainage pipe properly, as shown in Fig 4.3.1.2. Fig.4.3.1.2 4.3.2 Drainage pipe installation (1) The diameter of the drainage pipe should be the same or larger than the connection pipes (PVC pipe, outside diameter 17mm (11/16inch), thickness≥1.75mm (1/16inch)).
  • Page 13 Multi Variable Heat Pump Floor and Ceiling Type Indoor Unit Fig. 4.3.2.3: Connection of downspout elbow Fig. 4.3.2.4: Inserting horizontal pipe connection (8) Drain pipes should have a downward slope of at least 1%~2%. To prevent pipes from sagging, install hanger bracket at intervals of 1000~1500mm 39~59inch .

  • Page 14: Wired Controller Installation

    Multi Variable Heat Pump Floor and Ceiling Type Indoor Unit Ceiling type Floor type Fig.4.3.3 4.4 Wired Controller Installation Wired controller is optional accessory. If wired controller is needed, please contact your local dealer and install the wired controller according to the instruction manual. Note: Controller commissioning operation must be performed before first use for automatic addressing and other settings.

  • Page 15: Power Cord Connection

    Multi Variable Heat Pump Floor and Ceiling Type Indoor Unit 2) Remove the wiring screws on the patch board. 3) Shape the tail of wire into ring with needle nose pliers. Ring should match the size of the terminal screw. 4) Use the screwdriver to tighten the terminal.

  • Page 16: Connection Of Communication Wire For Wired Controller

    Multi Variable Heat Pump Floor and Ceiling Type Indoor Unit 5.3.1. (4) Secure the communication cable with clamp of electric box. (5) For more reliable communication, connect the terminal resistor to the most downstream IDU of the communication bus (terminal D1 and D2), as shown in Fig. 5.3.2, a terminal resistor is provided with each ODU.

  • Page 17: Connection Of Wired Controller And Indoor Units Network

    Multi Variable Heat Pump Floor and Ceiling Type Indoor Unit 5.5 Connection of Wired Controller and Indoor Units Network (1) Communication wire of indoor unit to outdoor unit (or indoor unit) is connected to D1, D2. (2) Wired controller is connected to H1, H2. (3) One indoor unit can connect two wired controllers.
  • Page 18 Multi Variable Heat Pump Floor and Ceiling Type Indoor Unit Fig.5.5 (1) The indoor units must be the same type if they are controlled by a single wired controller. (2) When the indoor unit is controlled by two wired controllers, the addresses of the two wired controllers should have different address setting.

  • Page 19: Routine Maintenance

    Multi Variable Heat Pump Floor and Ceiling Type Indoor Unit 6 Routine Maintenance (1) Turn off the unit and cut off the main power supply when cleaning the air conditioner to avoid electric shock or injury. (2) Use a ladder or other stable platform when cleaning the unit. (3) Do not clean the unit with hot water whose temperature is higher than 45°C (113°F) to prevent fading or warping.

  • Page 20: Troubleshooting

    Multi Variable Heat Pump Floor and Ceiling Type Indoor Unit 8 Troubleshooting The air conditioner should not be serviced by users. Faulty repair may cause electric shock or fire, so please contact an authorized service center for professional service. Check the following before calling for service help. Phenomenon Troubleshooting ...
  • Page 21 Specifications & illustrations subject to change without notice or incurring obligations. O’Fallon, MO (12/15) © Nortek Global HVAC, LLC 2015. All Rights Reserved. 553E-1215...

This manual is also suitable for:

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