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MDV MDKD-400S Manual

Four-pipe compact four-way cassette fan coil unit
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MCAC-KTSM-201201
Four-pipe Compact Four-way Cassette
Contents
2
3
4
6
7
9
16
Four-pipe Compact Four-way Cassette
Fan Coil Unit
1

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Summary of Contents for MDV MDKD-400S

  • Page 1: Table Of Contents

    MCAC-KTSM-201201 Four-pipe Compact Four-way Cassette Four-pipe Compact Four-way Cassette Fan Coil Unit 1. Introduction 2. Nomenclature 3. Product Schedule 4. External Appearance 5 5. Features 6. Specifications 7. Dimension 8 8. Wiring Diagrams 9. Capacity Tables 11 10. Exploded View 15 11.

  • Page 2: Introduction

    4-pipe 4-way cassette (compact) FCU MCAC-KTSM-2012-01 1. Introduction Fan coil unit is a kind of compound device which assemble fan and surface-type coil heating-exchanger together. Fan coil with fresh air supply system is a main type of center air-conditioner system, so it is an important component of AC devices.

  • Page 3: Nomenclature

    MCAC-KTSM-201201 Four-pipe Compact Four-way Cassette 2. Nomenclature MD K D - 500 S Product Type S Four-pipe Fan Coil - Two-pipe Fan Coil Nominal Air Volume (CFM) Type Code D Compact Four-way Cassette With Electric Control Box Inside Chilled Water Fan Coil Unit Nomenclature...

  • Page 4: Product Schedule

    4-pipe 4-way cassette (compact) FCU MCAC-KTSM-2012-01 3. Product Schedule Air volume Power supply Auxiliary Electrical Type Model (V-ph-Hz) Heater MDKD-300S 220~240-1-50 Without 4-pipe MDKD-400S 220~240-1-50 Without MDKD-500S 220~240-1-50 Without Product Schedule...

  • Page 5: External Appearance

    MCAC-KTSM-201201 Four-pipe Compact Four-way Cassette 4. External Appearance External Appearance...

  • Page 6: Features

    4-pipe 4-way cassette (compact) FCU MCAC-KTSM-2012-01 5. Features ● Capacity range:300~500CFM ● Round blow air supply enables uniform air folw distribution ● Compact design,simple installation and easy maintenance ● Built-in drain water pump with 500mm pumping head ● High comfortable, cold and hot water can supply simultaneously ●...

  • Page 7: Specifications

    MCAC-KTSM-201201 Four-pipe Compact Four-way Cassette 6. Specifications Model MDKD- 300S 400S 500S High Air Volume Cooling Capacity 2,500 2,900 3,500 Heating Capacity 3,700 4,600 5,100 Power Input Current input 0.23 0.32 0.43 Noise(Hi/Med/Lo) dB(A) 36/33/28 42/39/32 45/42/34 Cooling l/min Water Flow Heating l/min Water Pressure...

  • Page 8: Dimension

    4-pipe 4-way cassette (compact) FCU MCAC-KTSM-2012-01 7. Dimension H(mm) Dimension...

  • Page 9: Wiring Diagrams

    MCAC-KTSM-201201 Four-pipe Compact Four-way Cassette 8. Wiring Diagrams 8.1 MDKD-300S MDKD-400S MDKD-500S Wiring Diagrams...
  • Page 10 4-pipe 4-way cassette (compact) FCU MCAC-KTSM-2012-01 NOTE: Temp.compensation value is 2 pipe 1.ALARM: Error codes or protections 0 under cool mode(default) 1 2 3 4 2 3 4 S1-1 Temp.compensation value is occurred , a closed signal output. 4 pipe (default) 1 under cool mode 1 2 3 4 2 3 4...

  • Page 11: Capacity Tables

    MCAC-KTSM-201201 Four-pipe Compact Four-way Cassette 9. Capacity Tables Cooling Capacity: Remark: EWT: Enter Water Temp. (℃); Δt: Temperature Difference (℃) DB: Dry Bulb Temp. (℃); WB: Wet Bulb Temp. (℃); TC: Total Cooling Capacity (kW); SC: Sensible Cooling Capacity (kW); WF: Water Flow (m /h);...
  • Page 12 4-pipe 4-way cassette (compact) FCU MCAC-KTSM-2012-01 MDKD-400S Air inlet condition Δt DB:26.7 WB:19.4 DB:27 WB:18 DB:27 WB:19 DB:27 WB:20 DB:29 WB:21 2.23 1.06 72.2 3.39 2.45 0.97 60.7 3.62 2.32 1.04 69.2 3.83 2.22 77.5 4.04 2.12 1.16 86.4 3.55 2.16...
  • Page 13 MCAC-KTSM-201201 Four-pipe Compact Four-way Cassette MDKD-500S Air inlet condition Δt DB:26.7 WB:19.4 DB:27 WB:18 DB:27 WB:19 DB:27 WB:20 DB:29 WB:21 4.46 2.69 1.28 108.2 4.09 2.95 1.17 91.1 4.37 1.25 103.9 4.62 2.68 1.32 116.2 4.88 2.56 129.5 4.29 2.61 0.92 56.3 3.94...
  • Page 14 3.78 0.41 27.7 6 0.95 0.14 1.38 0.20 1.79 0.26 11.0 2.22 0.32 17.0 2.64 0.38 24.0 3.05 0.44 32.2 3.44 0.49 40.8 3.88 0.56 52.0 MDKD-400S Air inlet temp. (20℃ DB) Water inlet temp. (℃) Δt WF WPD TH...

  • Page 15: Exploded View

    MCAC-KTSM-201201 Four-pipe Compact Four-way Cassette 10. Exploded View MDKD-300S MDKD-400S MDKD-500S Part Name Quantity Part Name Quantity Panel Drain pump installation base Display board Water level sensor ass'y Swing motor Drain pump Room temp. sensor ass'y Guard against block up net...

  • Page 16: Installation

    4-pipe 4-way cassette (compact) FCU MCAC-KTSM-2012-01 11. Installation 11.1 Installation space The indoor unit should be installed in a location that meets the following requirements: ● There is enough room for installation and maintenance. ● The ceiling is horizontal, and its structure can endure the weight of the indoor unit. ●...

  • Page 17: Install The Panel

    MCAC-KTSM-201201 Four-pipe Compact Four-way Cassette B. New built houses and ceilings In the case of new built house, the hook can be embedded in advance (refer to the A.b mentioned above). But it should be strong enough to bear the indoor unit and will not become loose because of concrete shrinking.

  • Page 18: Connect The Drain Pipe

    4-pipe 4-way cassette (compact) FCU MCAC-KTSM-2012-01 (2) Remove the installation covers at the four corners. Wrench off the bolts, loose the rope of the installation covers, and remove them. (3) Install the panel Align the swing motor on the panel to the tubing joints of the body properly. Fix hooks of the panel at swing motor and its opposite sides to the hooks of corresponding water receiver.
  • Page 19 MCAC-KTSM-201201 Four-pipe Compact Four-way Cassette ■ Do not drag the drainpipe violently when connecting to prevent the body from being pulled. ■ Meanwhile, one support-point should be set every 1~1.5m to prevent the drainpipe from yielding. Or you can tie the drainpipe with the connecting pipe to fix it. ■...
  • Page 20 4-pipe 4-way cassette (compact) FCU MCAC-KTSM-2012-01 Turn on the power, and operate the air conditioner under the "COOLING" mode. Listen to the sound of the drain pump. Check whether the water is discharged well (a lag of 1min is allowed before discharging, according to the length of the drain pipe), and check whether water leaks from the joints.
  • Page 21 MCAC-KTSM-201201 Four-pipe Compact Four-way Cassette 4. For power details of the air conditioner refer to the rating plate of the product. 5. For any question contact your local dealer. 11.5.1 Connect the cable ■ Dissemble the bolts from the cover.(If there isn't a cover on the outdoor unit, disassemble the bolts from the maintenance board, and pull it in the direction of the arrow to remove the protection board.) ■...
  • Page 22 4-pipe 4-way cassette (compact) FCU MCAC-KTSM-2012-01 Installation...

  • Page 23: Troubleshooting

    MCAC-KTSM-201201 Four-pipe Compact Four-way Cassette 11.6 Troubleshooting 11.6.1 Troubles and causes of air conditioner Symptoms Causes Solution Power failure. Wait for the comeback of power. Power switch is off. Switch on the power. Fuse of power switch may have burned. Replace the fuse.
  • Page 24 4-pipe 4-way cassette (compact) FCU MCAC-KTSM-2012-01 11.6.2 Troubles and causes of remote controller Symptoms Causes Solution Check whether the MODE When the automatic mode is indicated on the display is selected, the air conditioner will "AUTO" automatically change the fan The fan speed can not be speed.

  • Page 25: Test Operation

    MCAC-KTSM-201201 Four-pipe Compact Four-way Cassette 11.6.3 Malfunctions and malfunction code If anything happens like the situation described below, please shut off the power supply of the unit and contact with the customer service center immediately. Malfunction running lamp timer lamp defrosting lamp alarm lamp Room temperature sensor...

This manual is also suitable for:

Mdkd-300sMdkd-500s

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