McQuay MDS030A Bedienungsanleitung
page 2
MULTI-DIGITAL SCROLL UNITS
MDS030A(R)~MDS60A(R)
MDS080B(R)~MDS300B(R)
Engineered for flexibility and performance.TM TM-MDS-2006
page 1
Contents
General Features ............................................................................................................. 2
Nomenclature ................................................................................................................... 4
Technical Parameter ........................................................................................................ 7
Outlines and Dimensions ............................................................................................. 11
Wiring Diagrams ............................................................................................................ 16
Installation ...................................................................................................................... 30
Troubleshooting ............................................................................................................. 41
Servicing and Maintenance .......................................................................................... 42
Note: Installation and maintenance are to be performed only by qualified personal who are
familiar with local codes and regulations, and experienced with this type of equipment.
Caution: Sharp edges and coil surfaces are a potential injury hazard. Avoid contact with them.
Warning: Moving machinery and electrical power hazards. May cause severe personal injury or death.
Disconnect and lock off power before servicing equipment.
“McQuay” is a registered trademark of McQuay International. All rights reserved throughout the world.
2003 McQuay International
“Bulletin illustrations cover the general appearance of McQuay International products at the time of publication
and we reserve the right to make changes in design and construction at any time without notice.”
page 2
1 General Features
1.1 Wide Range and Stepless Capacity Modulation
• Wide capacity modulation range (10%-100%)
• According to changing the ralio of “loading time” and “unloading time”. MDS can modulate the capacity
steplessly.
• Lower the energy consumption and running cosl.
1.2 Accurate Temperature Control and Quick Response
• The cooling/heating capacity of the indoor units is controlled by the EXV. which ensures the low theperature
fluctuation of 0.3OC.
• Stepless capacity modulation.
• Ouick response to output the capcity (40s).
Running ration of compressors %
MDS system
Inverter system
1.3 Simple, Reliable and Long Life
• The PWM valve has the longevity of 40 million times.
• Wide rage of capacity modulation makes sure the start/stop times reduces.
• Less components.
• No complicate inverter controller.
• The compress or has an excellent oil return performance, there is no need for the oil return circuit.
• Even the units run in 10% part load, the MDS system can be in good stage.
The temperature fluctuation range of traditional system is ±2°C
The temperature fluctuation range of MDS system is ±0.3°C
The temperature fluctuation range of traditional system is ±0.5°C
The temperature fluctuation range of MDS system is ±0.3°C
Temp.
Time
Temp.
Time
Total capacity of operating indoor units
System control
Environment
Solenoid valve
Digital scroll
page 3
1.4 Energy Saving
The inverter system’s capacity modulation range is from 30% to 100%, while MDS system’s capacity
modulation range is from 10% to 100%.
Quick response to the capacity modulation.
Min. power consumption is only 10% of the full load power consumption.
Compared to the inverter system, there is no power consumption of transducer.
Compared to the nominal capacity scroll system, it can save 20% energy consumption.
1.5 Flexible Combination of Indoor Units
The max. capacity of the indoor units is as 130% as the outdoor units capacity.
The outdoor units can connect different numbers of indoor units according to the outdoor units capacity.
One outdoor unit can be connected up to 48 indoor units.
Various types of indoor units are available.
There are various indoor units for option: concealed exposed, ceiling concealed, high static pressure fan coil
and ceiling exposed/floor standing.
EER
MDS systemTraditional air
conditioning system
Traditional inverter
system
1.6 Long Accessory Pipe Connection Design
Max. accessory pipe length is 15m (12HP-30HP), max. height is 50m (8HP—30HP).
Max. accessory pipe total
length (m)
Max. accessory pipe
length (m)
Height
OT IT
12-30HP 350 150 50 40
10HP 250 125 50 40
8HP 250 125 50 40
6HP 150 70 30 30
5HP 150 70 30 30
4HP 150 70 20 20
3HP 100 50 20 20
Note:
OT means the outdoor unit is above the indoor unit,
IT means the outdoor unit is below the indoor unit.
Digital
compressor
operating
Fixed
compressor
100% operating
10HP system
Load
Heavy loading Light loading
10%
100%
page 4
1.7 Space Saving
• Compared to scale size central air conditioning, MDS system is high centralized, no need for special
equipment room to save more space, and bring more benefits.
1.8 Easy to Install and Simple to Maintain
Easy Installation
• MDS system is simple and reliable, and outdoor unit can be connected with several indoor units, so it is
easy for installation.
• MDS system can be installed by stages, which is good to both new projects and renovation projects.
• Compared to the chilled water system, MDS system is much simple and there is no need for expert
people to maintain it.
No Need for Special Maintenance
• It has only simple refrigerant piping system, no complex maintenance;
• Compared to the water-cooled system, MDS system is with no water system, no pipe cleaning, without
maintenance for water system control design; so MDS system is much simple and there is no need for
expert people to manage and maintain it.
Traditional central air conditioning MDS system
page 5
M CK 030 T -A M A
Power supply feature: 220V~/50Hz
Matching outdoor units: MDS series
Design alteration No
Design serial No.
Cooling capacity No.
Ceiling cassette indoor unit
McQuay
2.2 Indoor Unit: Ceiling Concealed
MCC 050 T -R -A M A
Power supply:
A: 220V~/50Hz
Matching outdoor units:
MDS series
Design serial No
(B)/(D)
Return air mode: B-rear return air plenum
D-lower return air plenum
Omitted-no return air box
Type of connecting pipe: R- right connecting pipe L-left
connecting pipe
Design serial No.
Cooling capacity No.
McQuay ceiling concealed indoor unit
2.3 Indoor Unit: Air-cooled Chilled Air Duct
M DB 050 T -A M A
Power supply feature: A is 220V~/50Hz
Matching outdoor units: MDS series
Design serial No.
Series No.
Cooling capacity No.
Air-cooled chilled air duct
McQuay
2.4 Indoor Unit: Ceiling Exposed/Floor Standing
M CM 050 T -A M A
Power supply feature: A is 220V~/50Hz
Matching outdoor units: MDS series
Design serial No.
Series No.
Cooling capacity No.
Ceiling exposed/floor standing indoor unit
McQuay
Nomenclature
2.1 Indoor Unit: Ceiling Cassette
page 6
2.7 MDS Unit
MDS 060 A R- F AA
Heat pump, omitted if cooling only unit
Power supply features: A: 220V~/50Hz
F: 380V/3N~/50Hz
Description of the products
Design serial No.
Cooling capacity No.
McQuay MDS unit
MEX Throttle Box Nomenclature:
MEX 14 2-- -SA A
Connecting pipe size
Connecting pipe mode
Design serial No.
Valve opening size No.
Unit name No.
Unit name no. MEX: McQuay throttle box (one expansion valve)
Valve opening size no. 14: Nominal diameter value (mm)*10
Connecting pipe size 2: 1/4 inch
3: 3/8 inch
4: 1/2 inch
Connecting pipe mode SA: Flare fitting & nipple joint
Design serial no. A: Primary design
2.5 Electric Heater Box
HD 1.2
T
08-15
Heating capacity (kW)
Applicable units: T means the unit can be used in MCC "T"
series
8-15 means it can be used in MCC008/010/015T
18-30 means it can be used in MCC018/020/025/030T
40 means it can be used in MCC040T
40-50 means it can be used in MCC040/050T
60 means it can be used in MCC060T
P
Heating unit: P means the heating unit is PTC
Omitted means the heating unit is electric heating pipe
Electric heater box
2.6 Hot Water Heater Box
HW
T
08-15
Hot water heater box
Applicable units: T means the unit can be used in MCC "T"
series
08-15 means it can be used in MCC008/010/015T
18-30 means it can be used in MCC018/020/025/030T
40-50 means it can be used in MCC040/050T
60 means it can be used in MCC060T
page 7
3 Technical Parameter
MDS030A(R)~MDS060A(R)
Model MDS030A MDS030AR MDS040A MDS040AR MDS050A MDS050AR MDS060A MDS060AR
Cooling(kW) 8.5 8.5 10.0 10.0 12.5 12.5 14.5 14.5
Heating(kW) - 9.0 - 11.5 - 13.5 - 16.5
Power 220V~/50Hz
Noise dB(A) 59 59 59 60
W×D×H(mm) 840×408×900 1058×430×1044 1058×430×1044 1058×430×1247
Weight(kg) 82 85 112 115 117 120 123 130
Power consumption in cooling(kW) 3.0 3.0 3.5 3.6 4.4 4.4 5.0 5.0
Ampere in cooling(A) 13.6 13.6 15.9 15.9 20 20 22.8 22.8
Power consumption in cooling(kW) - 2.5 - 3.4 - 4.2 - 4.2
Ampere in cooling(A) - 11.4 - 13.5 - 19 - 20.3
Refrigerant R22
Connecting Gas Flare fitting and nipple joint connecting
Liquid Flare fitting and nipple joint connecting
LiquidΦ(mm(in)) 9.52(3/8) 9.52(3/8) 9.52(3/8) 9.52(3/8)
GasΦ(mm(in)) 15.88(5/8) 19.05(3/4) 19.05(3/4) 19.05(3/4)
Model MDS050A MDS050AR MDS060A MDS060AR
Cooling(kW) 12.5 12.5 15 15
Heating(kW) - 13.5 - 17
Power 380V/3N~/50Hz
Noise dB(A) 59 60
W×D×H(mm) 1058×430×1044 1058×430×1247
Weight(kg) 117 120 123 130
Power consumption in cooling(kW) 4.4 4.4 5.0 5.0
Ampere in cooling(A) 8.4 8.4 9.6 9.6
Power consumption in cooling(kW) - 4.2 - 4.23
Ampere in cooling(A) - 8.0 - 8.8
Refrigerant R22
Connecting Gas Flare fitting and nipple joint connecting
Liquid Flare fitting and nipple joint connecting
LiquidΦ(mm(in)) 9.52(3/8)
GasΦ(mm(in)) 19.05(3/4)
MDS080B(R)~MDS300B(R)
Model MDS080B MDS080BR MDS100B MDS100BR MDS120B MDS120BR MDS150B MDS150BR
Cooling(kW) 24.5 24.5 28.0 28.0 32.5 32.5 40.0 40.0
Heating(kW) - 26.0 - 30.0 - 34.0 - 43.0
Power 380V/3N~/50Hz
Noise dB(A) 62 64 66 67
W×D×H(mm) 990×840×1840 1290×840×1840
Weight(kg) 275 290 285 300 290 305 355 370
Power consumption in cooling(kW) 7.5 7.5 8.5 8.5 9.8 9.8 12.9 12.9
Ampere in cooling (A) 14.6 14.6 16.8 16.8 18.8 18.8 23.1 23.1
Power consumption in cooling(kW) - 7.2 - 8.3 - 9.0 - 11.1
Ampere in cooling (A) - 13.6 - 15.7 - 16.7 - 22.6
Refrigerant R22
Connecting Gas Welding flange
Liquid Expanded copper tube
LiquidΦ(mm(in)) 12.7(1/2) 15.88(5/8)
GasΦ(mm(in)) 28.6(1 1/8) 34.9(1 3/8)
Max. indoors-quantity 13 16 16 20
page 8
Model MDS180B MDS180BR MDS200B MDS200BR MDS220B MDS220BR MDS240B MDS240BR
Cooling(kW) 47.5 47.5 50.0 50.0 55.0 55.0 65.0 65.0
Heating(kW) - 50.0 - 53.0 - 58.0 - 68.0
Power 380V/3N~/50Hz
Noise dB(A) 66 66 66 68
W×D×H(mm) 1990×840×1840
Weight (kg) 520 550 560 590 560 590 570 600
Power consumption in cooling(kW) 14.1 14.1 15.2 15.2 16.7 16.7 19.8 19.8
Ampere in cooling (A) 28.2 28.2 31.1 31.1 32.7 32.7 38.5 38.5
Power consumption in cooling(kW) - 13.2 - 14.7 - 16.2 - 18.5
Ampere in cooling(A) - 27.1 - 29.4 - 31.0 - 33.8
Refrigerant R22
Connecting Gas Welding flange
Liquid Expanded copper tube
LiquidΦ(mm(in)) 15.88(5/8) 19.05(3/4)
GasΦ(mm(in)) 34.9(1 3/8) 38.1(1 1/2)
Max. indoors-quantity 24 24 24 24
Model MDS260B MDS260BR MDS280B MDS280BR MDS300B MDS300BR
Cooling(kW) 70.0 70.0 75.0 75.0 80.0 80.0
Heating(kW) - 75.0 - 80.0 - 85.0
Power 380V/3N~/50Hz
Noise dB(A) 68 69 69
W×D×H(mm) 2280×840×1840 2580×840×1840
Weight(kg) 645 675 710 740 710 740
Power consumption in cooling(kW) 21.3 21.3 22.8 22.8 26.2 26.2
Ampere in cooling(A) 40.0 40.0 42.5 42.5 46.5 46.5
Power consumption in cooling(kW) - 20.9 - 22.0 - 23.6
Ampere in cooling(A) - 37.2 - 41.0 - 43.1
Refrigerant R22
Connecting Gas Welding flange
Liquid Expanded copper tube
LiquidΦ(mm(in)) 19.05(3/4)
GasΦ(mm(in)) 41.3(1 5/8)
Max. indoors-quantity 32 32 32
Notes:
1. Cooling condition: Indoor D/W bulb Temp. 27/19ºC, outdoor temperature: D/W bulb Temp. 35/24ºC.
2. Heating condition: Indoor D/W bulb Temp. 20/15ºC, outdoor temperature: D/W bulb Temp. 7/6ºC.
Ceiling Concealed Indoor Units
Model MCC008T MCC010T MCC015T MCC018T MCC020T
Cooling capacity(W) 2000 2500 3650 4500 5600
Heating capacity(W) 2200 2600 3700 4700 6100
Power 220V~/50Hz
Noise dB(A) 31 34 35
W×D×H(mm) 1030×469×220 1290×490×250
Weight(kg) 22 25
Power input(W) 47 81 82
Fan number 2
Air flow(H: m³/h) 450 580 800
ESP(Pa) 15(0/30/50)
DrainΦ(mm(in)) 19.05(3/4)
Protection Anti-freezing
Connection Gas Expanded copper tube
Liquid Expanded copper tube
LiquidΦ(mm(in)) 6.35(1/4) 9.52(3/8)
GasΦ(mm(in)) 9.52(3/8) 12.7(1/2) 15.88(5/8)
page 9
Model MCC025T MCC030T MCC040T MCC050T MCC060T
Cooling capacity(W) 6500 7800 10600 12400 14400
Heating capacity(W) 7400 8900 11600 14500 17300
Power 220V~/50Hz
Noise dB(A) 37 42 47 48
W×D×H(mm) 1290×490×250 1640×490×250 1900×490×250
Weight(kg) 27 28 39 45
Power input(W) 123 158 276 280
Fan number 2 3 4
Air flow(H : m³/h) 960 1200 1900 2100
ESP(Pa) 15(0/30/50) 30(15/50/70) 50(15/30/70)
DrainΦ(mm(in)) 19.05(3/4”)
Protection Anti-freezing
Connection Gas Expanded copper tube
Liquid Expanded copper tube
LiquidΦ(mm(in)) 9.52(3/8”)
GasΦ(mm(in)) 15.88(5/8”) 19.05(3/4”)
Notes:
1. Cooling condition: Indoor D/W bulb Temp. 27/19ºC, outdoor temperature: D/W bulb Temp. 35/24ºC.
2. Heating condition: Indoor D/W bulb Temp. 20/15ºC, outdoor temperature: D/W bulb Temp. 7/6ºC.
Ceiling Duct Indoor Unit
Model MDB050T MDB060T
Cooling capacity(W) 12500 14000
Heating capacity(W) 14000 15500
Power 220V~/50Hz
Noise dB(A) 58 60
W×D×H(mm) 1230×910×350 1430×910×350
Weight(kg) 69 75
Power consumption(W) 615 790
Fan number 1
Air flow(H m³/h) 2250 3000
ESP(Pa) 100
DrainΦ(mm(in)) 19.05(3/4)
Protection Anti-freezing, overload
Connection Gas Expanded copper tube
Liquid Expanded copper tube
LiquidΦ(mm(in)) 9.52(3/8)
GasΦ(mm(in)) 19.05(3/4)
Notes:
1. Cooling condition: Indoor D/W bulb Temp. 27/19ºC, outdoor temperature: D/W bulb Temp. 35/24ºC.
2. Heating condition: Indoor D/W bulb Temp. 20/15ºC, outdoor temperature: D/W bulb Temp. 7/6ºC.
Vertical Floor Standing & Horizontal Ceiling Mounted Indoor Unit
Model MCM020T MCM030T MCM050T
Cooling capacity(W) 5800 7500 12500
Heating capacity(W) 5800 8000 13500
Power 220V~/50Hz
Noise dB(A) 48 50 52
W×D×H(mm) 1214×670×214 1214×670×249 1714×670×249
Weight(kg) 39 44 44
Power consumption(W) 81 116 161
Number of fan 2 3 4
Air flow(H m³/h) 1100 1300 1850
DrainΦ(mm(in)) 20.5(4/5)
Protection Anti-freezing, overheat
Connection Gas Expanded copper tube
Liquid Expanded copper tube
LiquidΦ(mm(in)) 9.52(3/8) 9.52(3/8)
GasΦ(mm(in)) 15.88(5/8) 19.05(3/4)
Notes:
1. Cooling condition: Indoor D/W bulb Temp. 27/19ºC, outdoor temperature: D/W bulb Temp. 35/24ºC.
2. Heating condition: Indoor D/W bulb Temp. 20/15ºC, outdoor temperature: D/W bulb Temp. 7/6ºC.
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