Daikin VAM-FA Technical Data Manual
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Daikin VAM-FA Technical Data Manual

Heat reclaim ventilation
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Ventilation

Technical Data

H e a t re c l a i m ve n t i l a t i o n
E E D E N 1 3 - 2 0 5
VAM-FA/FB

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Summary of Contents for Daikin VAM-FA

  • Page 1: Technical Data

    Ventilation Technical Data H e a t re c l a i m ve n t i l a t i o n E E D E N 1 3 - 2 0 5 VAM-FA/FB...
  • Page 2 Ventilation Technical Data H e a t re c l a i m ve n t i l a t i o n E E D E N 1 3 - 2 0 5 VAM-FA/FB...

  • Page 3: Table Of Contents

    • Heat reclaim ventilation • VAM-FA/FB TABLE OF CONTENTS VAM-FA/FB Nomenclature ............2 Features .

  • Page 4: Nomenclature

    • Heat reclaim ventilation • VAM-FA/FB Nomenclature l a i a t i / F B r e c t i l - F A H e a V e n V A M Ventilation Mounted type Air flow rate (m...

  • Page 5: Features

    • Heat reclaim ventilation • VAM-FA/FB Features • Energy saving ventilation by recovery of indoor unit heat/cold • Can be used as stand alone unit or integrated in the VRV system • Ideal solution for shops, restaurants or offices requiring maximum •...

  • Page 6: Interlocked Operation With Vrv (Skyair)

    • Heat reclaim ventilation • VAM-FA/FB Features 2 - 1 Interlocked operation with VRV (SkyAir) Simultaneous ON / OFF with the indoor unit by the indoor unit remote control. HRV independent operation during air conditioning off season by the indoor unit remote control.

  • Page 7: Energy Saving

    • Heat reclaim ventilation • VAM-FA/FB Features 2 - 2 Energy Saving HRV unit recovers the thermal energy during cooling / heating operation of air conditioner. HRV reduces the cooling / heating load drastically and enhances the By heat recovery operation heating / cooling efficiency.

  • Page 8: Night Time Free Cooling Operation

    • Heat reclaim ventilation • VAM-FA/FB Features 2 - 3 Night time free cooling operation Automatic heat purge function at night The nighttime free cooling is an energy-conserving function which works at night when the air conditioners is off, reducing the cooling load in the morning when the air conditioner is turned on.

  • Page 9: Fresh-Up Operation

    • Heat reclaim ventilation • VAM-FA/FB Features 2 - 4 FRESH-UP operation Both the excessive supply mode and the excessive exhaust mode are selectable. This function creates a more comfortable air environment. Supply Fresh-up Exhaust Fresh-up (Excessive outdoor air supply)

  • Page 10: Easy Installation And Service Maintenance

    • Heat reclaim ventilation • VAM-FA/FB Features 2 - 6 Easy Installation and service maintenance Parallel air flow system (Daikin)Cross air flow system This system prevents misconnection and simplify the installation work. (HC0234) (HC0235) Service Maintenance Switch Box Access door...

  • Page 11: Specifications

    • Heat reclaim ventilation • VAM-FA/FB Specifications 3-1 Technical Specifications VAM150FA VAM250FA VAM350FB VAM500FB VAM650FB VAM800FB VAM1000FB VAM1500FB VAM2000FB Power input - 50Hz Heat exchange Nom. Ultra 0.116 0.141 0.132 0.178 0.196 0.373 0.375 0.828 0.852 mode high High 0.100 0.112...
  • Page 12 • Heat reclaim ventilation • VAM-FA/FB Specifications 3-1 Technical Specifications VAM150FA VAM250FA VAM350FB VAM500FB VAM650FB VAM800FB VAM1000FB VAM1500FB VAM2000FB Type Sirocco fan Air flow rate - 50Hz Heat Ultra m³/h 1,000 1,500 2,000 exchange high mode High m³/h m³/h Bypass Ultra m³/h...

  • Page 13: Electrical Specifications

    • Heat reclaim ventilation • VAM-FA/FB Specifications 3-2 Electrical Specifications VAM150FA VAM250FA VAM350FB VAM500FB VAM650FB VAM800FB VAM1000FB VAM1500FB VAM2000FB Power supply Name Phase Frequency 50/60 Voltage 220-240/220 Voltage range Min. Max. Current Minimum circuit amps (MCA) Maximum fuse amps (MFA) Fan motor rated output 0.03x2...

  • Page 14: Electrical Data

    • Heat reclaim ventilation • VAM-FA/FB Electrical data 4 - 1 Electrical Data VAM350-2000FB Unit model name Power supply 50Hz 60Hz VAM350FB 0.08 x 2 0.4 x 2 VAM500FB 0.08 x 2 0.6 x 2 VAM650FB 0.106 x 2 0.7 x 2...

  • Page 15: Options

    • Heat reclaim ventilation • VAM-FA/FB Options 5 - 1 Options VAM150-250FA, VAM350-2000FB Model VAM150FA VAM250FA VAM350FB VAM500FB VAM650FB VAM800FB VAM1000FB VAM1500FB VAM2000FB Item Remote control BRC301B61 BRC1D52 Wired remote control BRC1E52A / BRC1E52B Central remote control DCS302C51 (For General)

  • Page 16: Exchange Efficiency

    • Heat reclaim ventilation • VAM-FA/FB Exchange efficiency 6 - 1 Exchange efficiency VAM350-2000FB VAM350FB VAM500FB VAM650FB VAM800FB VAM1000FB VAM1500FB VAM2000FB Temperature exchange effi ciency Enthalpy exchange effi ciency (heating) Enthalpy exchange effi ciency (cooling) 3D082313 • Ventilation • Heat reclaim ventilation...

  • Page 17: Dimensional Drawings

    • Heat reclaim ventilation • VAM-FA/FB Dimensional drawings 7 - 1 Dimensional Drawings VAM150FA Maintenance space for the heat exchange elements, the air filters and fans Switch box Ceiling hook Inspection hole 4-14x40 oval hole Ø 450 Supply air fan Maintenance over 120.3...
  • Page 18 • Heat reclaim ventilation • VAM-FA/FB Dimensional drawings 7 - 1 Dimensional Drawings VAM350FB Ceiling hook 4 – 12 x 40 oval hole Exhaust air fan Sealing Damper plate Return air from room Exhaust air to outdoors Supply air to room...
  • Page 19 • Heat reclaim ventilation • VAM-FA/FB Dimensional drawings 7 - 1 Dimensional Drawings VAM650FB Ceiling hook 4 – 12 x 40 oval hole Sealing Damper plate Exhaust air fan Return air from room Exhaust air to outdoors Supply air to room...
  • Page 20 • Heat reclaim ventilation • VAM-FA/FB Dimensional drawings 7 - 1 Dimensional Drawings VAM1000FB Ceiling hook 4 – 12 x 40 oval hole Sealing Damper plate Exhaust air fan Return air from room Exhaust air to outdoors Supply air to room...
  • Page 21 • Heat reclaim ventilation • VAM-FA/FB Dimensional drawings 7 - 1 Dimensional Drawings VAM2000FB Ceiling hook Sealing 4 – 14 x 40 oval hole Damper plate Exhaust air fan (2x) Return air from room Exhaust air to outdoors Supply air to room...

  • Page 22: Centre Of Gravity

    • Heat reclaim ventilation • VAM-FA/FB Centre of gravity 8 - 1 Centre of Gravity VAM350-500FB Design ref. VAM350FB VAM500FB NOTES 1. The shown unit is VAM350FB 4D081262 VAM650-800FB Design ref. VAM650FB VAM800FB NOTES 1. The shown unit is VAM650FB 4D081263 •...
  • Page 23 • Heat reclaim ventilation • VAM-FA/FB Centre of gravity 8 - 1 Centre of Gravity VAM1000FB 4D081264 VAM1500FB 4D081265 • Ventilation • Heat reclaim ventilation...
  • Page 24 • Heat reclaim ventilation • VAM-FA/FB Centre of gravity 8 - 1 Centre of Gravity VAM2000FB 4D081266 • Ventilation • Heat reclaim ventilation...

  • Page 25: Wiring Diagrams

    • Heat reclaim ventilation • VAM-FA/FB Wiring diagrams 9 - 1 Wiring Diagrams - Single Phase Wiring diagram Power supply single phase 220-240/220V 50/60Hz External output terminals Adapter for wiring (optionl accessories) (KRP50-2) Switch box Terminals for the input from outside...
  • Page 26 • Heat reclaim ventilation • VAM-FA/FB Wiring diagrams 9 - 1 Wiring Diagrams - Single Phase VAM350-650FB Measuring points for voltage 220-240V/220V 50/60Hz Printed circuit board Caution when performing service inside the EL. Compo. box WARNING Caution for ELECTRIC SHOCK 1 Do not open the EL.
  • Page 27 • Heat reclaim ventilation • VAM-FA/FB Wiring diagrams 9 - 1 Wiring Diagrams - Single Phase VAM800-1000FB Caution when performing service inside the EL. Compo. box WARNING Caution for ELECTRIC SHOCK Measuring points for voltage 1 Do not open the EL. Compo. box cover for 10 minutes after the power supply is turned off.
  • Page 28 • Heat reclaim ventilation • VAM-FA/FB Wiring diagrams 9 - 1 Wiring Diagrams - Single Phase VAM1500-2000FB Caution when performing service inside the EL. Compo. box Measuring points for WARNING Caution for ELECTRIC SHOCK voltage 220-240V/220V Printed circuit board 50/60Hz 1 Do not open the EL.

  • Page 29: Sound Data

    • Heat reclaim ventilation • VAM-FA/FB Sound data 10 - 1 Sound Power Spectrum VAM150FA VAM250FA Power level data (in case of Total Heat Exchange mode) Power level data (in case of Total Heat Exchange mode) (dB) (dB) Power Power...
  • Page 30 • Heat reclaim ventilation • VAM-FA/FB Sound data 10 - 1 Sound Power Spectrum VAM650FB VAM800FB Power level data (in case of Total Heat Exchange mode) Power level data (in case of Total Heat Exchange mode) (dB) (dBA) (dB) (dBA)
  • Page 31 • Heat reclaim ventilation • VAM-FA/FB Sound data 10 - 1 Sound Power Spectrum VAM2000FB Power level data (in case of Total Heat Exchange mode) (dB) (dBA) Unit model 500 1000 2000 4000 8000 Total name Fan speed 65.0 61.5 57.0 54.0 53.0 45.0 39.5 32.5 VAM2000FB 64.0 60.0 55.0 53.0 51.0 41.5 34.5 30.5...

  • Page 32: Sound Pressure Spectrum

    • Heat reclaim ventilation • VAM-FA/FB Sound data 10 - 2 Sound Pressure Spectrum VAM150FA VAM250FA VAM250FA VAM150FA Approximate Approximate threshold threshold hearing for hearing for continuous noise continuous noise 4D036868 4D036870 Octave band center frequency (Hz) Octave band center frequency (Hz)
  • Page 33 • Heat reclaim ventilation • VAM-FA/FB Sound data 10 - 2 Sound Pressure Spectrum VAM650FB VAM800FB 4D082473 4D082474 34.5 35.5 34.5 NOTES NOTES VAM1000FB VAM1500FB 4D082475 4D082476 31.5 39.5 NOTES NOTES • Ventilation • Heat reclaim ventilation...
  • Page 34 • Heat reclaim ventilation • VAM-FA/FB Sound data 10 - 2 Sound Pressure Spectrum VAM2000FB 4D082477 NOTES • Ventilation • Heat reclaim ventilation...

  • Page 35: Fan Characteristics

    • Heat reclaim ventilation • VAM-FA/FB Fan characteristics 11 - 1 Fan Characteristics VAM150FA 50 Hz, 220-240V 60Hz, 220V Exchange effi ciency VAM150FA External static pressure Ultra-High High ø100 Pipe length Air flow rate (m 4D036773 VAM250FA 50 Hz, 220-240V Exchange effi...
  • Page 36 • Heat reclaim ventilation • VAM-FA/FB Fan characteristics 11 - 1 Fan Characteristics VAM350FB UH speed H speed Airfl ow (m Airfl ow (m L speed Airfl ow (m UH Speed H Speed L Speed Airfl ow (m NOTES 3D082177 1.
  • Page 37 • Heat reclaim ventilation • VAM-FA/FB Fan characteristics 11 - 1 Fan Characteristics VAM650FB H speed UH speed Airfl ow (m Airfl ow (m L speed Airfl ow (m UH Speed H Speed L Speed Airfl ow (m NOTES 3D082179 1.
  • Page 38 • Heat reclaim ventilation • VAM-FA/FB Fan characteristics 11 - 1 Fan Characteristics VAM1000FB H speed UH speed Airfl ow (m Airfl ow (m L speed Airfl ow (m UH Speed H Speed L Speed Airfl ow (m NOTES 3D082181 1.
  • Page 39 • Heat reclaim ventilation • VAM-FA/FB Fan characteristics 11 - 1 Fan Characteristics VAM2000FB UH speed H speed Airfl ow (m Airfl ow (m L speed Airfl ow (m UH Speed H Speed L Speed Airfl ow (m NOTES 3D082183 1.

  • Page 40: Air Filter Characteristics

    [For filter characteristics, refer to D-drawings] compare this with the unit performance characteristics to see resulting airflow & ESP Download the VAM selection software on the Daikin extranet for easy selection 12 - 1 - 1 - 1 Choose required airflow...
  • Page 41 • Heat reclaim ventilation • VAM-FA/FB Air filter characteristics 12 - 1 High efficiency filter / dust filter for VAM350-2000FB 12 - 1 - 1 - 3 Add up all the pressure drops of the duct system on the installation site and the filters...

  • Page 42: Air Filter Characteristics

    • Heat reclaim ventilation • VAM-FA/FB Air filter characteristics 12 - 2 Air filter characteristics • Ventilation • Heat reclaim ventilation...
  • Page 43 • Heat reclaim ventilation • VAM-FA/FB Air filter characteristics 12 - 2 Air filter characteristics • Ventilation • Heat reclaim ventilation...
  • Page 44 • Heat reclaim ventilation • VAM-FA/FB Air filter characteristics 12 - 2 Air filter characteristics • Ventilation • Heat reclaim ventilation...

  • Page 45: Installation

    • Heat reclaim ventilation • VAM-FA/FB Installation 13 - 1 Installation Method VAM150FA Maintenance space Suspension bolt position Inspection hole Air discharge grille (Fresh air from outdoors) VAM150FA Heat insulator Round shape hood (Field supply) (Field supply) (Exhaust air to outdoors)
  • Page 46 • Heat reclaim ventilation • VAM-FA/FB Installation 13 - 1 Installation Method • Ventilation • Heat reclaim ventilation...
  • Page 47 • Heat reclaim ventilation • VAM-FA/FB Installation 13 - 1 Installation Method VAM800FB Inspection hole Maintenance space Air discharge grille Silencer Flexible duct (Fresh air from SA (Supply air to room) outdoors/outdoor air) Round shape hood VAM800FB (Field supply) Suspension bolt...
  • Page 48 • Heat reclaim ventilation • VAM-FA/FB Installation 13 - 1 Installation Method VAM1000FB Inspection hole Maintenance space Air discharge grille Silencer Flexible duct (Fresh air from outdoors/ outdoor air) SA (Supply air to room) Round shape hood VAM1000FB (Field supply)
  • Page 49 • Heat reclaim ventilation • VAM-FA/FB Installation 13 - 1 Installation Method • Ventilation • Heat reclaim ventilation...

  • Page 50: Reducing Operating Sound

    • Heat reclaim ventilation • VAM-FA/FB Installation 13 - 2 Reducing operating sound The air suction and discharge grille may give out operating sound higher by 8 to 11 phons than of the HRV units body. When installing this unit in a quiet place, take measures to reduce operating sound.
  • Page 51 • Heat reclaim ventilation • VAM-FA/FB Installation 13 - 2 Reducing operating sound 13 - 2 - 4 Effect of remedy for sound Caution 1. Be sure to connect a flexible duct (2 m) to an outlet of the main body in the indoor air supply side.

  • Page 52: Centralized Piping

    • Heat reclaim ventilation • VAM-FA/FB Installation 13 - 3 Centralized piping Fig.2: Install a duct for each HRV unit. Wherever possible, avoid centralized OA and EA pipings for Direction of two or more HRV units, and install ducts for each body of the air flow unit.

  • Page 53: Cautions

    Note that is used, Use Daikin's optional smoke back flow prevention damper. bellows are not allowed in Tokyo in accordance with the Fire Prevention Act of Tokyo.
  • Page 54 • Heat reclaim ventilation • VAM-FA/FB Installation 13 - 4 Cautions Operation in highly humid areas (in cooling mode) Note: To prevent dew formation, use the unit under the condition that the indoor discharge air is 95% RH or less on the psychrometric chart.

  • Page 55: Cautions In Installation

    • Heat reclaim ventilation • VAM-FA/FB Installation 13 - 5 Cautions in installation 13 - 6 Installation Do not use a HRV or an air suction / discharge grille in the following places. • Place such as machinery plant and chemical plant where gas, which...

  • Page 56: Duct Work

    • Heat reclaim ventilation • VAM-FA/FB Installation 13 - 7 Duct Work 13 - 7 - 1Caution φ 150 + 50 φ 200 • Do not install ducts as shown below. 2. Drilling the hole Ideally it is better to grade in the same procedure as refrigerant...

  • Page 57: Electrical Wiring Procedure

    • Heat reclaim ventilation • VAM-FA/FB Installation 13 - 8 Electrical wiring procedure Before obtaining access to terminal devices, all power supply circuits must be interrupted. Connection of Wiring • Connect the wires in accordance with the diagram of each system.

  • Page 58: Optional Accessories

    • Heat reclaim ventilation • VAM-FA/FB Optional accessories 14 - 1 KRP50-2 / KRP50-2A90 14 - 1 - 1 KRP50-2: Wiring adapter for remote contact / Humidifier KRP50-2A90: Installation box for adapter PCB Components 2 KRP50-2 can also be connected to SkyAir indoor unit for the interlocked operation with HRV units.

  • Page 59: Kddm24B50, Kddm24B100: Silencer

    • Heat reclaim ventilation • VAM-FA/FB Optional accessories 14 - 2 KDDM24B50, KDDM24B100: Silencer Part No. KDDM24B50 KDDM24B100 VAM800FB, VAM1000FB, Applicable model VAM500FB VAM650FB VAM1500FB, VAM2000FB φ 200 mm φ 200 mm φ 250 mm Nominal pipe diameter Noice suppression effect Approx.

  • Page 60: Brp4A50: Heater Control Kit

    • Heat reclaim ventilation • VAM-FA/FB Optional accessories 14 - 3 BRP4A50: Heater control kit Operation range of the HRV is “ –10°C to 50°CDB 80% RH or below.” When operating the HRV units at or below –10°C of the outdoor air temperature, use preheater (field supplied) to preheat outdoor air.

  • Page 61: Test Run

    • Heat reclaim ventilation • VAM-FA/FB Optional accessories 14 - 3 BRP4A50: Heater control kit Installation example Exhaust Air Return Air Outdoor Air Preheater Supply Air (Field supply) Adapter BRP4A50 Temperature thermostat (Field supply) ° (Heater ON when the temperature is at or below –10 Temperature thermostat (Field supply) °...

  • Page 62: Switch Box

    • Heat reclaim ventilation • VAM-FA/FB Optional accessories 14 - 3 BRP4A50: Heater control kit Heater control kit Accessories Fixing Screw 2 pcs. Clamp 2 pcs. See the right for component. Installation Install the Heater control kit to the outside of switch box for HRV unit as shown below.

  • Page 63: Control Systems

    • Heat reclaim ventilation • VAM-FA/FB Control systems 15 - 1 DCS302C51: Centralized control • When using 1 central remote control • When using 2 central remote controls BEFORE USE: GENERAL DESCRIPTION OF SYSTEM For a maximum of 64 groups of indoor unit unified operation/stop can be performed. When using 2 central remote controls, unified operation is possible with up to a maximum of 128 groups of indoor units.
  • Page 64 • Heat reclaim ventilation • VAM-FA/FB Control systems 15 - 1 DCS302C51: Centralized control GROUP OF INDOOR UNIT refers to the above. A: A single indoor unit without remote control B: A single indoor unit controlled by one or two remote control...
  • Page 65 You can perform the normal operation, take off the malfunction contact point and unified operation/stop by contact point, all by connecting this unit with the unification adapter for computerized control. For further details, ask your DAIKIN dealer. Unification adapter for computerized control...

  • Page 66: Introduction Of Control System

    • Heat reclaim ventilation • VAM-FA/FB Control systems 15 - 2 Introduction of control system The control systems introduced here is for the HRV unit adopting the high speed and high performance transmission system (DIII-NET), the same as the VRV systems and SkyAir series,...
  • Page 67 • Heat reclaim ventilation • VAM-FA/FB Control systems 15 - 2 Introduction of control system • Ventilation • Heat reclaim ventilation...

  • Page 68: Basic Patterns

    • Heat reclaim ventilation • VAM-FA/FB Control systems 15 - 3 Basic patterns 15 - 3 - 1 List of control system Control Purposes and applications Description of system Optional accessories required system • Basic method to operate HRV unit...
  • Page 69 • Heat reclaim ventilation • VAM-FA/FB Control systems 15 - 3 Basic patterns Function Nos. of the unit controlled and length of wiring Cautions page BRC301B61 • One remote control operates each HRV unit. • The wire for remote control is not included as standard accessories and should be arranged locally.
  • Page 70 • Heat reclaim ventilation • VAM-FA/FB Control systems 15 - 3 Basic patterns 15 - 3 - 1 List of control system Control Optional accessories Purposes and applications Description of system system required • When the HRV unit is interlocked to 2...
  • Page 71 • Heat reclaim ventilation • VAM-FA/FB Control systems 15 - 3 Basic patterns Function Nos. of the unit controlled and length of wiring Cautions page • The HRV unit operates of one of the indoor units • A maximum of 64 groups of the units can be •...
  • Page 72 • Heat reclaim ventilation • VAM-FA/FB Control systems 15 - 3 Basic patterns 15 - 3 - 2 Independent system Operation by main switch Purposes and functions Switch setting of HRV unit • Basic method to operate HRV unit • No change is required (as per factory setting)
  • Page 73 • Heat reclaim ventilation • VAM-FA/FB Control systems 15 - 3 Basic patterns 15 - 3 - 2 Independent system Control with two remote controls Purpose and functions Example of wiring for control • For control of one HRV unit (Also one group control is...
  • Page 74 • Heat reclaim ventilation • VAM-FA/FB Control systems 15 - 3 Basic patterns 15 - 3 - 3 The interlocked operation system Single-group interlocked operation (Basic pattern) Purposes and functions Example of control wiring • The remote control for indoor unit can control the interlocked...
  • Page 75 • Heat reclaim ventilation • VAM-FA/FB Control systems 15 - 3 Basic patterns 15 - 3 - 3 The interlocked operation system Interlocked operation with 2 or more group of VRV system Purposes and functions Example of control wiring • When the HRV unit is interlocked to 2 or more group of...
  • Page 76 • Heat reclaim ventilation • VAM-FA/FB Control systems 15 - 3 Basic patterns 15 - 3 - 4 Centralized control system Collective / individual control [Unified On / Off control DCS301B61] Example of control wiring Purposes and functions • One control can controll the operation of Unified “ON / OFF”...

  • Page 77: Applicable Patterns

    • Heat reclaim ventilation • VAM-FA/FB Control systems 15 - 4 Applicable patterns 15 - 4 - 1 Additional functions Operation by power supply [HRV unit] Purposes and functions Example of control wiring • The HRV unit is operated by “On / Off” of the main power breaker.
  • Page 78 • Heat reclaim ventilation • VAM-FA/FB Control systems 15 - 4 Applicable patterns 15 - 4 - 1 Additional functions Fresh-up operation by external input [HRV unit] Purposes and functions Example of control wiring When the operation is interlocked with the local ventilating fan Connecting line can be extended up to 50 m maximum.
  • Page 79 • Heat reclaim ventilation • VAM-FA/FB Control systems 15 - 4 Applicable patterns 15 - 4 - 1 Additional functions Precool / preheat operation Purposes and functions Example of control wiring • The operation of HRV unit is delayed when the air...
  • Page 80 • Heat reclaim ventilation • VAM-FA/FB Control systems 15 - 4 Applicable patterns 15 - 4 - 2 To connect the remote control to the HRV unit (Part 1) single-group interlocked operation Purposes and functions Example of control wiring When the HRV unit is interlocked to the single-group control...
  • Page 81 • Heat reclaim ventilation • VAM-FA/FB Control systems 15 - 4 Applicable patterns 15 - 4 - 3 Central control system (DCS302B61) Collective / individual operation (Central remote control) Purposes and functions Example of control wiring It is possible to have collective On / Off or individual On / Off Central remote control without zone control (while setting the 64 zones).
  • Page 82 • Heat reclaim ventilation • VAM-FA/FB Control systems 15 - 4 Applicable patterns 15 - 4 - 3 Central control system (DCS302B61) Collective operation [Adapter PCB for remote control KRP2A Series] Switch setting of the HRV unit Purposes and functions A maximum of 64 groups can be controlled the operation of “ON /...
  • Page 83 • Heat reclaim ventilation • VAM-FA/FB Control systems 15 - 4 Applicable patterns 15 - 4 - 3 Central control system (DCS302B61) Multi function central control + Unified On / Off Control Proper control should be selected according to the functions required.
  • Page 84 • Heat reclaim ventilation • VAM-FA/FB Control systems 15 - 4 Applicable patterns 15 - 4 - 4 Examples of mistakes in wiring and system designing It is necessary to install the remote control for The centralized transmission line should be connected to the transmission line.
  • Page 85 All content is copyrighted by Daikin Europe N.V.. Naamloze Vennootschap - Zandvoordestraat 300, B-8400 Oostende - Belgium - www.daikin.eu - BE 0412 120 336 - RPR Oostende...

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