1
MDS 100B System
100%
5%
Digital
Compressor
Operating
Digital
Operating
Digital
Operating
Loading Unloading
With high IPLV, MDS is able to operate at high Seasonal Energy
Efficient Ratio (SEER) region. This indicates that MDS is able to
supply the required capacity with lower power consumption, in other
words, lower electricity bills.
Energy Saving
More Economical Operation
High Part Load Efficiency
Most air-conditioning system operates in the 30%~70%
region. Integrated with the up-to-date technology, MDS is
capable to modulate its supply capacity to meet all indoors
requirement closely. This modulating capability enable the
MDS system to offer high IPLV (Integrated Part Load Value)
that conventional air-conditioner can never compete.
Comparing to the traditional inverter drive air-conditioner, MDS has eliminated the possibility of lost
of energy during the conversion of power signal.
No conversion Lost
AC
Converted Frequency
Inverter
Compressor
Capacity Controller
Transformation
Consumption=0%
Motor
Consumption
=5-10%
DC
AC DC
Transformer
AC DC
Frequency Conversion
Digital
Compressor
AC PWM valve
Capacity Controller
Transformation
Comsumption=0%
Traditional Inverter SystemMDS System
Utilising the latest state-of-the-art technology,
the McQuay Multi Digital Scroll System (MDS)
is seen as the next generation products for
high-efficiency air conditioning.
2
System Features
The ambient of the outdoor and indoor
change frequently and this will affect
the indoor cooling and heating load.
With MDS system, using a unique
control algorithm, the temperature is
kept constant throughout the operation.
The temperature fluctuation is maintain
at only ±0.3°C, thereby providing
unprecedented levels of comfort.
Excellent Dehumidifying Performance
The continuously operating compressor
in the MDS system provides excellent
dehumidifying performance, and hence
able to reduce the indoor RH to a more
desired level. With lower RH in the
interior, the growth of the bacteria and
fungus are inhabited.
Excellent Electromagnetic Compatibility
Unlike variable speed compressors air
conditioners, MDS runs at a constant
speed throughout the operation, thus
there is NEGLIGIBLE electromagnetic
interference. This unique feature
eliminates the need for expensive electro-
magnetic suppression electronics
required to ensure electromagnetic
compatibility.
5th
7th
11th
13th
17th
19th
0 1 2 3 4 5
MDS System EMC Standard Inverter System
EMC comparison
Temp.
Time
25
15
5
1 2 3 4
30
10
20
The temperature fluctuation range of traditional air conditioning system is ±2ºC
The temperature fluctuation range of MDS system is ±0.3ºC
0
MDS System
Inverter System
2 4 6 8 10 12 1514
20
16
12
8
4
0
Cooling Capacity (kW)
Evaporator Temp. (ºC)
Precise Temperature Control
IPLV
IPLV : Integrated Part Load Value
AC Inverter
Best
Japanese
Inverter
MDS
System
0
1
2
3
4
3.56
3.0
3.45
MDS
System
Conventional
System
(108 Seiten)
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