Airwell MD Series Technical Instruction Manual
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Airwell MD Series Technical Instruction Manual

Airwell MD Series Technical Instruction Manual

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MD
Multi-duct cassette units
MD 35
1~230 V - 50 Hz
MD 38
MD 35
MD 38
3N~400 V - 50 Hz
MD 50
Technical instructions manual
TM03MD1 GB A
TM03MD1 GB A
TM03MD1 GB A
TM03MD1 GB A
TM03MD1 GB A
Cancels and replaces :
Cooling capacity (W)
Heating capacity (W)
9100
11260
11100
8790
10400
11100
12600
14500
9140
8790
INDIVIDUAL COMFORT RANGE

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Summary of Contents for Airwell MD Series

  • Page 1 Multi-duct cassette units Cooling capacity (W) Heating capacity (W) MD 35 9100 9140 1~230 V - 50 Hz MD 38 11260 11100 MD 35 8790 8790 MD 38 10400 11100 3N~400 V - 50 Hz MD 50 12600 14500 INDIVIDUAL COMFORT RANGE Technical instructions manual TM03MD1 GB A TM03MD1 GB A...

  • Page 2: Table Of Contents

    MD Multi-duct cassettes MD Multi-duct cassettes CONTENTS PRESENTATION ................. 3 TECHNICAL SPECIFICATIONS ............5 OPERATING LIMITS ................6 COOLING CAPACITY ................ 7 HEATING CAPACITY ................10 COOLING MODE POWER INPUT............13 HEATING MODE POWER INPUT ............16 DIMENSIONS • MD Indoors unit ................19 •...

  • Page 3: Presentation

    MD Multi-duct cassettes MD Multi-duct cassettes PRESENTATION These units are optimised for operating with chlorine-free R-407C refrigerant having no harmful effects on the ozone layer and they meet the requirements of both current legislation and of care for the environment. The «Multi-Duct Cassettes»...
  • Page 4 MD Multi-duct cassettes MD Multi-duct cassettes 2. OUTDOORS UNIT Of compact design, taking up very little floor area, this unit houses the «Scroll» compressor, the fan-condenser assembly and the electrical box. Two installation possibilities: • Direct floor installation. • Wall hanging with accessory (not supplied). 3.

  • Page 5: Technical Specifications

    MD Multi-duct cassettes MD Multi-duct cassettes TECHNICAL Models MD 35 MD 38 MD 50 SPECIFICATIONS R-407C refrigerant • • • Power supply 1~230 V - 50 Hz Nominal cooling capacity (1) 9100 11260 Nominal power input in cooling mode 3580 3950 Nominal heating capacity (1) 9140...

  • Page 6: Operating Limits

    MD Multi-duct cassettes MD Multi-duct cassettes OPERATING LIMITS The MD indoors units and the GC outdoors units operate within the following limits: COOLING mode Low limits DBT °C Indoor temperature WBT °C Outdoor temperature DBT °C High limits DBT °C Indoor temperature WBT °C Outdoor temperature...

  • Page 7: Cooling Capacity

    MD Multi-duct cassettes MD Multi-duct cassettes COOLING CAPACITY Model MD 35 single phase Indoor temperature 30° C Dry Bulb - 50% humidity 27° C Dry Bulb - 50% humidity 23° C Dry Bulb - 50% humidity Outdoor temperature (°C Dry bulb) Model MD 35 Three phase Indoor temperature...
  • Page 8 MD Multi-duct cassettes MD Multi-duct cassettes COOLING CAPACITY Model MD 38 single phase Indoor temperature 30° C Dry Bulb - 50% humidity 27° C Dry Bulb - 50% humidity 23° C Dry Bulb - 50% humidity Outdoor temperature (°C Dry bulb) Model MD 38 three phase Indoor temperature...
  • Page 9 MD Multi-duct cassettes MD Multi-duct cassettes COOLING CAPACITY Model MD 50 three phase Indoor temperature 30° C Dry Bulb - 50% humidity 27° C Dry Bulb - 50% humidity 23° C Dry Bulb - 50% humidity Outdoor temperature (°C Dry bulb)

  • Page 10: Heating Capacity

    MD Multi-duct cassettes MD Multi-duct cassettes HEATING CAPACITY Model MD 35 single phase Indoor temperature 20°C Dry bulb 18°C Dry bulb 15°C Dry bulb Outdoor dry bulb temperature (°C) Model MD 35 three phase Indoor temperature 20°C Dry bulb 18°C Dry bulb 15°C Dry bulb Outdoor dry bulb temperature (°C)
  • Page 11 MD Multi-duct cassettes MD Multi-duct cassettes HEATING CAPACITY Model MD 38 single phase Indoor temperature 20°C Dry bulb 18°C Dry bulb 15°C Dry bulb Outdoor dry bulb temperature (°C) Model MD 38 three phase Indoor temperature 20°C Dry bulb 18°C Dry bulb 15°C Dry bulb Outdoor dry bulb temperature (°C)
  • Page 12 MD Multi-duct cassettes MD Multi-duct cassettes HEATING CAPACITY Model MD 50 three phase Indoor temperature 20°C Dry bulb 18°C Dry bulb 15°C Dry bulb Outdoor dry bulb temperature (°C)

  • Page 13: Cooling Mode Power Input

    MD Multi-duct cassettes MD Multi-duct cassettes COOLING MODE POWER UNIT Model MD 35 single phase Indoor temperature 30° C Dry Bulb - 50% humidity 27° C Dry Bulb - 50% humidity 23° C Dry Bulb - 50% humidity Outdoor temperature (°C Dry bulb) Model MD 35 three phase Indoor temperature...
  • Page 14 MD Multi-duct cassettes MD Multi-duct cassettes COOLING MODE POWER UNIT Model MD 38 single phase Indoor temperature 30° C Dry Bulb - 50% humidity 27° C Dry Bulb - 50% humidity 23° C Dry Bulb - 50% humidity Outdoor temperature (°C Dry bulb) Model MD 38 three phase Indoor temperature...
  • Page 15 MD Multi-duct cassettes MD Multi-duct cassettes COOLING MODE POWER UNIT Model MD 50 three phase Indoor temperature 30° C Dry Bulb - 50% humidity 27° C Dry Bulb - 50% humidity 23° C Dry Bulb - 50% humidity Outdoor temperature (°C Dry bulb)

  • Page 16: Heating Mode Power Input

    MD Multi-duct cassettes MD Multi-duct cassettes HEATING MODE POWER UNIT Model MD 35 single phase Indoor temperature 20°C Dry Bulb 18°C Dry Bulb 15°C Dry Bulb Outdoor temperature (°C Dry bulb) Model MD 35 three phase Indoor temperature 20°C Dry Bulb 18°C Dry Bulb 15°C Dry Bulb Outdoor temperature (°C Dry bulb)
  • Page 17 MD Multi-duct cassettes MD Multi-duct cassettes HEATING MODE POWER UNIT Model MD 38 single phase Indoor temperature 20°C Dry Bulb 18°C Dry Bulb 15°C Dry Bulb Outdoor temperature (°C Dry bulb) Model MD 38 three phase Indoor temperature 20°C Dry Bulb 18°C Dry Bulb 15°C Dry Bulb Outdoor temperature (°C Dry bulb)
  • Page 18 MD Multi-duct cassettes MD Multi-duct cassettes HEATING MODE POWER UNIT Model MD 50 three phase Indoor temperature 20°C Dry Bulb 18°C Dry Bulb 15°C Dry Bulb Outdoor temperature (°C Dry bulb)

  • Page 19: Dimensions

    MD Multi-duct cassettes MD Multi-duct cassettes DIMENSIONS Dimensions in mm Indoors units front view side view MD 35 MD 38 MD 50 8’’ air outlet openings top view INTAKE DISCHARGE ELECTRICAL 4 suspension brackets Condensates outlet GAS pipe connection LIQUID pipe connection Condensates tray outlet (drainage solely reserved for technical services)

  • Page 20: Gc Outdoors Unit

    MD Multi-duct cassettes MD Multi-duct cassettes DIMENSIONS Dimensions in mm Outdoor unit GC MD 35 side view front view Flare connector Electrical terminal block access LIQUID INTAKE DISCHARGE Air discharge grille 4 oblong holes 13x10 (H8 screw) top view...
  • Page 21 MD Multi-duct cassettes MD Multi-duct cassettes DIMENSIONS Dimensions in mm Outdoors units side view front view Flare connector GC MD 38 GC MD 50 Electrical terminal block access LIQUID INTAKE DISCHARGE Air discharge grille 4 oblong holes 13x10 (H8 screw) top view...

  • Page 22: Installation

    MD Multi-duct cassettes MD Multi-duct cassettes INDOOR UNIT Dimensions in mm INSTALLATION The unit slots into a suspended ceiling: There are 2 types of installation: 1°) With recycled air intake grille front view side view Suspended ceiling Filter Opening access panel in the suspended ceiling INTAKE...
  • Page 23 MD Multi-duct cassettes MD Multi-duct cassettes INDOOR UNIT Dimensions in mm INSTALLATION Attachments There are 2 options : 1°) With a mounting plate installation installation of the mounting plate of suspensions rails in the suspended ceiling attachment of the MD indoor unit to the mounting plate preparation for connecting with use of the mounting plate...
  • Page 24 MD Multi-duct cassettes MD Multi-duct cassettes INDOOR UNIT INSTALLATION Attachments 2°) With threaded rods There are positioning possibilities for the attachment brackets, either on the lower part or the upper part of the cassette (see detail B). detail Attachment bracket Washer Threaded rod: Ø...

  • Page 25: Gc Outdoors Unit

    MD Multi-duct cassettes MD Multi-duct cassettes OUTDOOR UNIT Dimensions in mm * minimum INSTALLATION There are 2 mounting systems: 1°) Floor mounting Rubber pad Anchoring screw Concrete slab 2°) Suspended mounting INTAKE DISCHARGE Wall bracket (not supplied)

  • Page 26: Air Distribution

    MD Multi-duct cassettes MD Multi-duct cassettes AIR DISTRIBUTION Air distribution is by way of a duct network providing airflows in two opposite directions The MD indoors unit has 4 air blowing openings on either side of the unit (see detail A): •...
  • Page 27 MD Multi-duct cassettes MD Multi-duct cassettes AIR DISTRIBUTION Intoduce the adaptator Press on the lower section Adaptator Adaptator Flexible conduit Airflow gate Tightening screw Option: Manual treated airflow gate...

  • Page 28: New Air Intake (Option)

    MD Multi-duct cassettes MD Multi-duct cassettes NEW AIR INTAKE (option) Connect the fresh air conduit (Ø 4’’). Drill an opening in the air intake plastic Fresh air opening...

  • Page 29: Aeraulic Characteristics

    MD Multi-duct cassettes MD Multi-duct cassettes AERAULIC CHARACTERISTICS Indoors units MD 35 MD 38 Airflow (m³/h) Indoor unit MD 50 Airflow (m³/h)
  • Page 30 MD Multi-duct cassettes MD Multi-duct cassettes AERAULIC CHARACTERISTICS Indoors units MD 35 MD 38 Airflow (m³/h) Indoor unit MD 50 Airflow (m³/h)

  • Page 31: Condensates Drainage

    MD Multi-duct cassettes MD Multi-duct cassettes CONDENSATES DRAINAGE The MD indoors unit is equipped with a factory-fitted condensates lift pump with a drainage lift height of 600 mm. To ensure effective condensates drainage the downward slope should be 2 cm per metre without any restrictions or rising pipe sections (See Fig.

  • Page 32: Refrigeration Connections

    MD Multi-duct cassettes MD Multi-duct cassettes REFRIGERATION CONNECTIONS The MD Multi-Duct Cassettes are designed for refrigeration connection to the outdoors units by means of pipes with Flare connectors (completely insulated refrigeration quality copper pipes with ends equipped with Flare nuts). Various lengths of pipes equipped with Flare connectors are available from the factory: •...

  • Page 33: Refrigerant Charge

    MD Multi-duct cassettes MD Multi-duct cassettes REFRIGERANT CHARGE The R-407C charge is only contained in the outdoors unit. The indoors unit contains a small quantity of neutral GAS. For this reason, after having installed the pipe connections, it is imperative to proceed with vacuum draining the con- nections and the indoors unit.

  • Page 34: Electrical Specifications

    MD Multi-duct cassettes MD Multi-duct cassettes ELECTRICAL SPECIFICATIONS Proceed with the following operations to gain access to the electrical box: A) Remove the screws located on the base of the casing. B) Slide the electrical box downwards. C) Remove the box from the rail.
  • Page 35 MD Multi-duct cassettes MD Multi-duct cassettes ELECTRICAL SPECIFICATIONS MD 35 MD 38 Models MD 35 RC MD 38 RC Power supply 1~230 V - 50 Hz • • Nominal current 15.7 / 13.7 17.2 / 17.3 Fuse calibre Cable section mm²...

  • Page 36: Electrical Connections

    MD Multi-duct cassettes MD Multi-duct cassettes ELECTRICAL CONNECTIONS ELECTRICAL CONNECTIONS (see pages 37 or 38) OUTDOORS SENSOR RCW-2 REMOTE CONTROL (see page 42) INFRARED RECEIVER (see page 39)

  • Page 37: Single Phase Units

    MD Multi-duct cassettes MD Multi-duct cassettes ELECTRICAL CONNECTIONS Single phase units MD indoor unit outdoor unit 16 A safety switch (not supplied) 6 x 2.5 mm² cable 2 x 0.5 mm² cable SENSOR SENSOR Electrical Circuit breaker (not supplied) 3 x 4 mm² cable INFRARED RECEIVER...

  • Page 38: Three Phase Units

    MD Multi-duct cassettes MD Multi-duct cassettes ELECTRICAL CONNECTIONS Three phase units MD indoor unit outdoor unit 10 A safety switch (not supplied) Electric heating (option) 2 x 1.5 mm² cable 6 x 1.5 mm² cable 2 x 0.5 mm² cable SENSOR SENSOR Circuit breaker...

  • Page 39: Infrared Receiver

    MD Multi-duct cassettes MD Multi-duct cassettes INFRARED RECEIVER COOL* ... COOLING mode light HEAT* ..... HEATING mode light TIMER ..... Timed programming activated light STBY ....Standby light It lights up when the unit is connected and when it is ready to receive instructions from the remote control.
  • Page 40 MD Multi-duct cassettes MD Multi-duct cassettes INFRARED RECEIVER Connections between Electrical the control panel and the infrared receiver An extended cable length can be supplied on request Press gently on the clips to raise the cover. • The equipment is supplied with a 7m long shielded cable, fitted with connectors at both ends for connecting the electrical box to the infra red receiver.

  • Page 41: Rc4 Infrared Remote Control

    MD Multi-duct cassettes MD Multi-duct cassettes INFRARED REMOTE CONTROL RESET FUNCTION 1. Remove the battery. 2. Simultaneously press these 4 keys until the symbols disappear. 3. Replace the battery. The 4 keys concerned are: Note START / STOP key Flip open the cover/flap to gain access to the controls. Operating mode selection key: COOLING, HEATING, AUTOMATIC COOLING/HEATING REGULATION, VENTILATION, DEHUMIDIFICATION I FEEL key: local temperature sensing...

  • Page 42: Rcw-2 Wall Mounted Remote Control

    MD Multi-duct cassettes MD Multi-duct cassettes RCW-2 WALL MOUNTED INFRARED REMOTE CONTROL A wall mounted hardwired remote control is available as an accessory. It groups together all the air conditioning management functions of your air conditioner. Possibility to pilot until 10 indoors units. Display screen Keys for raising and lowering the set temperature.
  • Page 43 MD Multi-duct cassettes MD Multi-duct cassettes...
  • Page 44 1 bis,Avenue du 8 Mai 1945 Saint-Quentin-en-Yvelines 78284 GUYANCOURT Cedex Tél. 33 1 39 44 78 00 Fax 33 1 39 44 11 55 www.airwell.com A A A A A CE Klimatechnik GmbH CE Klimatechnik GmbH CE Klimatechnik GmbH CE Klimatechnik GmbH...

This manual is also suitable for:

Md 38Md 50Md 35Gc md 35Gc md 38Gc md 50 ... Show all

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