COMMERCIAL AIR CONDITIONERS - Midea · PDF fileCOMMERCIAL AIR CONDITIONERS ... (DC inverter...
Transcript of COMMERCIAL AIR CONDITIONERS - Midea · PDF fileCOMMERCIAL AIR CONDITIONERS ... (DC inverter...
MCAC-2012-39
COMMERCIAL AIR CONDITIONERS
2012
Commercial Air Conditioner Business UnitsMidea Air Conditioning and Refrigeration SectorAdd: West region of Midea commercial air conditioner department, Industry Avenue, Beijiao, Shunde, Foshan, Guangdong, P.R. China Postal code:528311Tel: +86-757-22394101 Fax: +86-757-26338003http://www.midea.com http://www.mideaaircon.com
M Type Air Cooled Screw Chiller
Corporate Introduction
From its humble beginnings in 1968, Midea has developed into a large corporation, covering HVAC, appliances, lighting, industrial components, logistics, and real estate. Its 40 years of relentless growth has brought its global turnover to $14 billion USD in 2009. Consequently, Midea has created over 150,000 jobs both within China and all over the world. In addition to providing affordable goods to consumers worldwide, Midea is a responsible corporate citizen, and has contributed to several social causes. Midea believes in creating value through rapid response to market demands, cost-efficient operations and consumer satisfaction. As a result, Midea wields vast production capacities to meet these demands, a fully integrated manufacturing process, and a comprehensive range of affordable, high-quality products to serve its global customers.
Today, Midea is a home appliance leader in China. The company continues to actively globalize its operation by opening plants in Vietnam, Belarus and Egypt. Additionally, Midea has several forthcoming plants in order to offer enhanced products and services closer to the market.
Midea Group
Midea CAC (MCAC)As a key part of Midea Group, the Midea Central Air Conditioner (CAC) Business Unit is a professional CAC products supplier and commercial products solution expert. Since 1999 Midea central air-conditioner contributes to the commercial product R&D and technology innovation. By cooperating with the international enterprises plus the independent R&D, Midea CAC achieves big success in the commercial air-conditioner market and has established thousands of sample projects all over the world.
Right now Midea CAC is one of the most professional CAC products supplier as well as the professional project solution provider in marketing, sales, project design and after service etc.
MCAC Chongqing factory with 14 product lines concentrates on the water cooled centrifugal / screw/ scroll chillers, Air cooled screw/ scroll chillers, AHU/FCU etc.MCAC Shunde factory with 31 product lines concentrates on the VRF (DC inverter product/ Digital scroll product), split product, heat pump water heater, AHU/FCU etc.
04R410A (25kW-250kW) 50Hz07 M Type Air Cooled Screw Chiller
CONTENTS
MIDEA CHILLER MANUFACTURING-BASE INTRODUCTION
With 46 years experience in chiller industry, Midea Chongqing chiller manufacturing base is becoming one of the largest chiller company in China. It covers an area of 800 Mu (137 acre), with a registered capital of 12.5 million US $ and a total investment of over 0.6 billion US$. There are 6 product series and over 100 model products including centrifugal chiller, screw water chiller, scroll water chiller, water-cooled packaged unit, and central air-conditioning indoor terminal device(AHU/FCU). Five chiller manufacturing shops with 14 flexible production lines lead an anual manufacturing capacity of 250 units centrifugal chiller, 1000 units of air cooled screw chiller, 2000 units of water cooled screw chiller and 200000 units of AHU product.
Strong R&D and manufacturing capacity makes Midea Chongqing general become the fastest developing company in chiller industry. The chiller test lab which is certified by China National Refrigeration Equipment Inspection Center is the largest refrigeration test capacity in Asia. The engineer team with 100 top engineers and 2 chiller experts who were awarded by the central government in structure, electricity, performance testing and software aspect makes Midea the headship in chiller industry. In the year of 2011 Midea refrigeration group invests another 150 million RMB for test lab as ARI test floor, big capacity air cooled screw life span testing room, 1500kW compressor motor test floor, etc.
Concentrating on energy-saving and ejection-decreasing, Midea Chongqing chiller factory commits itself to the reliable and high efficiency products for the world. The chiller products are widely used in different countries and obtain good public praise from the clients. The solutions for the Beijing capital international airport ,Jakarta international airport, China rapid transit station won good feedback and commendation. Continuing with the past and opening up the future, Midea chiller brand will go further and create an illustrious future.
05
06
09
15
17
31
33
Nomenclature
Brief introduction
Mechanical components
Specification
Dimension
PLC controller
Field wiring diagram
06M Type Air Cooled Screw Chiller05 M Type Air Cooled Screw Chiller
NOMENCLATURE BRIEF INTRODUCTION
Compressor structure typeBLG Semi-hermetic screw comp.
Nominal cooling capacity (kW)
A: CE certification
Refrigerant type C R134a; Omit for R22
Water chiller
Air cooled condenser
LS BLG C W XXX A
Midea C series air cooled screw chillers are the premium solution for industrial and
commercial applications where installers, consultants and building owners require optimal
performances and optimized quality. Midea C series air cooled screw chillers are designed
to meet current and future requirements in terms of reliability, energy efficiency and
intelligent control. We use the best technologies available today: Twin-rotor screw
compressor with a variable capacity valve is ideally matched to evaporator and condenser
optimally configured for superior heat transfer and unit efficiency.
■ Environmentally friendly refrigerants R134a.
■ Low-noise,low-vibration high efficiency fans,high-efficiency rifled pipe with
aluminum fin heat exchangers.
■ Touchable screen with PLC control system is user-friendly operator interface.
■ Completely assembled, factory wired, evacuated, charged, tested, ready for
installation.
08M Type Air Cooled Screw Chiller07 M Type Air Cooled Screw Chiller
FEATURES AND BENEFITS
Environmental Care■ R134a refrigerant
Refrigerant of the HFC R134a group with zero ozone depletion potential.
It is environmentally safe and does not have a phase-out date.
Economical Operation Cost■ Extremely high full load and partial load energy efficiency. New twin-rotor screw compressor equipped
with a high-efficiency motor and a variable capacity valve that can adjust the capacity of 25%, 50%, 75%
and 100% in 4 stages (Stepless control as an option) and permits exact matching of the cooling capacity to
the actual load.
■ Electronic expansion device permits the operation at a lower condensing pressure and improve the
utilization of the evaporator heat exchange surface (superheat control).
■ Automatic scheduling of the compressor allows the chiller to match the fluctuating cooling load and
conserve energy.
Lower Operating Noise
■ The twin-screw compressor adopts the strong points of gapless-loss, high- efficiency cubage,
low-noise, few easy workout parts. Double-wall structure not only compensates the pressure, but also
significantly reduces the noise. Cast iron casing and oil separator can reduce the noise significantly.
■ Low-noise fans, made of a composite material are even quieter and do not generate intrusive
low-frequency noise. Rigid fan mounting is preventing start-up noise.
■ Multiple direct drive dynamically balanced propeller fans operate at low tip speeds for maximum
efficiency and minimum noise and vibration. A heavy-gauge vinyl-coated fan guard protects each fan.
Outstanding Reliability■ Fully factory testing of all the units ensures a trouble free start-up. The unit has passed full factory test
before being delivered to ensure the reliable working on the site.
■ Transport test ensure the chiller in good condition after reach the site.
Simple Structure Easy Installation ■ The unit can be placed in service after being connected with power supply and water supply during field
installation .Standard flange connection and wire mesh to the electrical panel make the installation easy
and simple.
PLC Technology Accuracy Control■ The sensors related to control and other assemblies are equipped by factory and strictly tested.
■ Intelligent control:The unit is controlled by micro-controller(PLC) with has the automatic control
functions of fault diagnosis, energy management and anti-freezing monitoring ensure the
high-efficiency operation and more convenient in use. The unit with RS485 open protocol
communication interface is BMS compatible. The startup and shutdown of each unit is controlled by the
host computer, reducing the running cost to the lowest.
■ Complete and safe control system: All electrically control elements are designed and selected with
stable quality and reliable function; The unit designed with multiple security measures ensure the safe
and reliable running witch including high and low pressure protection, oil feed pressure difference
protection, anti-freezing protection, water flow protection, converse default phase protection, Overload
protection etc.
10M Type Air Cooled Screw Chiller09 M Type Air Cooled Screw Chiller
Condenser■ Air cooled condenser coil consist of staggered rows of seamless inner
groove copper tube, mechanically expanded onto the die formed aluminum
fin to ensure optimum heat exchange capability.
■ Grooved condenser fin and tube condenser coils of seamless, internally
enhanced, high condensing coefficient, corrosion resistant copper tubes
arranged in staggered rows and mechanically bonded to corrosion resistant
aluminum alloy fins with full height fin collars.
Blue fin and black epoxy-coated aluminum fin are options.
Fan■ Condenser Fans with low noise, full airfoil cross section for maximum
efficiency, statically and dynamically balanced for low vibration operation,
and positioned in extended, formed steel orifices for low sound and
maximum efficiency.
■ Condenser fan motors are high efficiency, direct drive, 6-pole, 3-phase,
Class-“F”insulation and IP54 protection, current overload protected, totally
enclosed type with double sealed, permanently lubricated, ball bearings.
Evaporator■ Evaporator is tube-in-shell heat exchanger design, with internally-finned
copper tubes roller expanded into the tube sheet. Units are fabricated with
high-performance tubing, steel shell & tube sheets. Water boxes are
nozzle-in-head type with victaulic for easy connections.
■ High efficiency, direct-expansion type evaporator with refrigerant in tubes
and chilled liquid through the baffled shell.
■ Design working pressure for the shell waterside is 1Mpa, and 2.1Mpa for
the refrigerant side.
■ Water baffles fabricated from galvanized steel to resist corrosion.
Removable heads allow access to internally-enhanced, seamless, copper
tubes. Water vent and drain connections including.
■ The 20MM thickness insulation covers all low temperature surfaces
include the evaporator, water box, oil return line, chilled water flow switch
piping etc.
MECHANICAL COMPONENTS
Advanced Twin-Rotor Screw CompressorMidea® air screw chiller is equipped with the 3rd generation industrial semi-hermetic screw
compressor which with the latest advanced 5-6 asymmetry dentiform rotors. The rotors are
processed by high-precision CNC and each part is well-proportioned and none-gap matching,
which minimizes the friction resistance and clearance lost, guarantees quiet running and good
duration.
The compressor motor is direct drive type with two poles to operate at 2960 rpm (50HZ) input
speed. It is non-reversing, squirrel cage induction type suitable for the voltage shown on the
equipment schedule. Compressors combined an balance piston with separated radial and axial
force bearings, oil cooler connector, liquid injection & economizer connector, PTC motor coil
protection and discharge temperature & it's controller, oil level switch and oil pressure differential
switch, oil sight glass, oil strainer, crank case heater and other accessories. The bearing of
compressor is from SKF, Sweden gurantee the continuously runing more than 60,000 hours.
1
5 6 7 8
32 4
1 Suction cut-off valve
2 Solenoid valve
3 Discharge cut-off valve
4 Oil filter
5 Suction filter net
6 Motor
7 Oil heater
8 Oil separator filter net
12M Type Air Cooled Screw Chiller11 M Type Air Cooled Screw Chiller
■ Controls housed in a powder painted steel cabinet enclosure with
hinged, latched, and gasket sealed, door.
■ Liquid crystal 40 character display with text provided on two lines
and light emitting diode backlighting for outdoor viewing.
■ Color coded, 32 button, sealed keypad with sections for Display,
Entry, Set points, Clock, Print, Program and Unit On/Off.
■ Standard controls include: automatic pump down, run signal
contacts, demand load limit from external building automation system
input, unit alarm contacts, evaporator pump control, automatic reset
after power failure, automatic system optimization to match operating
conditions, software stored in non-volatile memory (EPROM) to
eliminate chiller failure due to AC power failure. Programmed setpoints
retained in lithium battery backed RTC memory for a minimum 5 years.
MICROPROCESSOR CONTROLS
Refrigerant Circuit■ Independent refrigerant circuit per compressor, each using
copper refrigerant pipe formed on computer controlled bending
machines. Less piping brazed joints result in a highly reliable and
leak resistant system.
■ Liquid line components include: Manual shut-off valve with
charging port, high adsorption removable core filter-drier, solenoid
valve, sight glass with moisture-indicator, and reliable electronic
expansion valves for R134a and a thermostatic expansion valves for
remote barrel units.
EKC312
AKS
M MAKS
Throttling Device■ Famous brand electronic expansion valve which control by drive
module control.
■ The drive module controller controls the valve according to
evaporator suction superheat.
■ PID arithmetic control the open degree of the valve.
SOLENOID VALVE
TEMPERATURE SENSOR
SOLENOID VALVE
ELECTRONIC
FILTER DRIER
THERMAL EXPANSION VALVE
BALL VALVE
WATER INLETWATER OUTLET
CONDENSER
PRESSURE RELIEF VALVE
DUAL PRESSURE SWITCH
PRESSURE SENSOR
PRESSURE SENSOR
BALL VALVE
SIGHT GLASS
LOW PRESSURE GAUGE
DRAIN VALVE
HIGH PRESSURE GAUGE
TEMPERATURE SENSOR
EXPANSION VALVE
TEMPERATURE SENSOR
TEMPERATURE SENSORANTIFREEZING SWITCHTEMPERATURE SENSOR
COMPRESSOR
LOW PRESSURE SWITCH
ANGLE VALVE
ANGLE VALVE
EVAPORATOR
COMPRESSOR
B
K&B
Danfoss
B
K&B
Danfoss
B
K&B
Danfoss
14M Type Air Cooled Screw Chiller13 M Type Air Cooled Screw Chiller
OPTIONS APPEARANCE
■ 360kW / 100RT unit
■ 450kW / 120RT unit
■ 600kW / 170RT unit
■ 720kW / 200RT unit
■ 800kW / 225RT unit
■ 900kW / 250RT unit
WATER FLOW SWITCH ■ Water flow switch to protect the evaporator need to connect for upright mounting in horizontal
pipe. (Field mounted)
VIBRATION ISOLATION■ Neoprene Isolation – Recommended for normal installations and provides good performance in
most applications for the least cost. (Field mounted)
■ 1" Spring Isolators – Level adjustable, spring and cage type isolators for mounting under the unit
base rails. 1" nominal deflection may vary slightly by application. (Field mounted)
■ 2" Seismic Spring Isolators – Restrained Spring-Flex Mountings incorporate a rugged welded
steel housing with vertical and horizontal limit stops. Housings designed to withstand a minimum
1.0g accelerated force in all directions to 50mm. Level adjustable, deflection may vary slightly by
application. (Field mounted)
EVAPORATOR■ 1.6Mpa or 2.0Mpa Waterside Working pressure - 1.6Mpa or 2.0Mpa of the evaporator waterside
working pressure is optional.
■ 30mm Insulation – The thickness instulation provided for enhanced efficiency.
■ Evaporator water pipe Flange connection
CONDENSER■ Hydrophilic blue fins
■ Anti-corrosion fins. This can provide corrosion resistance comparable to copper-fin coils in
typical seashore locations.
POWER SUPPLY■ 415V-3P-50Hz
Note: For more application, please contact the local office.
16M Type Air Cooled Screw Chiller15 M Type Air Cooled Screw Chiller
LSBLGCW900A
902
278
2
122×2
16
23000×16
2.8×16
155
80
DN150
9425
2280
2430
8900
9200
LSBLGCW800A
810
251
2
80+122
14
23000×14
2.8×14
139
70
DN150
8425
2280
2430
7750
8050
LSBLGCW720A
729
227
2
80×2
12
23000×12
2.8×12
125
65
DN150
7425
2280
2430
6700
7000
380V/3P/50HzPower supply
Energy adjustable range%
Water side fouling factor(m2·°C/kW)
Semi- hermetic, twin screw compressor
25%,50%,75%,100% 4-steps ( 50%~100% stepless as option)
R134a
M type Heat exchanger, High efficient exchanger tube + Aluminum fins
Shell-and-tube heat-exchanger
0.086
Unit Model Descriptions
Cooling capacity kW
kW
Type
Quantity
Type
Charge(kg)
Type
Fans Quantity
Air Volume(m3/h)
Motor input(kW)
Type
Water Volume(m3/h)
Water pressure drop(kPa)
Inlet/outlet Pipe diameter(mm)
Length(mm)
width(mm)
height(mm)
Shipping weight(kg)
Running weight(kg)
Rated powerconsumption
Compressor
Refrigerant
Air Side Heat-exchanger
Water Side Heat-exchanger
Dimension
Notes:1) Nominal cooling capacities are based on the following conditions: Chilled water inlet/outlet temp: 12°C/7°C; Outdoor temp (DB/WB):35°C/24°C.2) The applicable ambient temperature range of R134a air-cooled screw unit is 15°C~43°C.
SPECIFICATION
LSBLGCW600
594
184
1
125
10
20000×10
1.8×10
102
60
DN125
5700
2280
2400
5000
5200
LSBLGCW450A
450
138
1
122
8
23000×8
2.8×8
77.4
55
DN125
4730
2280
2370
4325
4530
LSBLGCW360A
364
113
1
80
6
23000×6
2.8×6
62.6
50
DN125
3730
2280
2370
3320
3520
380-400V,3P+N+PE,50Hz Power supply
Energy adjustable range%
Water side fouling factor(m2·°C/kW)
Semi- hermetic, twin screw compressor
25%,50%,75%,100% 4-step ( 50%~100% stepless as option)
R134a
Reversed M sharp Heat exchanger. High efficient exchanger tube + aluminum fins
Shell-and-tube heat-exchanger
0.086 (m2.k/kW)
Unit Model Descriptions
Cooling capacity kW
kW
Type
Quantity
Type
Charge(kg)
Type
Fans Quantity
Air Volume(m3/h)
Motor input(kW)
Type
Water Volume(m3/h)
Water pressure drop(kPa)
Inlet/outlet Pipe diameter(mm)
Length(mm)
width(mm)
height(mm)
Shipping weight(kg)
Running weight(kg)
Rated powerconsumption
Compressor
Refrigerant
Air Side Heat-exchanger
Water Side Heat-exchanger
Dimension
1 Single compressor 2 Dual compressors
Notes:1) Nominal cooling capacities are based on the following conditions: Chilled water inlet/outlet temp: 12°C/7°C; Outdoor temp (DB/WB):35°C/24°C.2) The applicable ambient temperature range of R134a air-cooled screw unit is 15°C~43°C.
18M Type Air Cooled Screw Chiller17 M Type Air Cooled Screw Chiller
CAPACITY TABLE
PowerInput/kW
126.8
128.1
129.4
130.9
131.9
133.5
134.9
136.3
137.5
138.7
140.0
159.1
160.5
161.8
163.0
164.5
165.9
167.4
168.7
170.2
171.7
173.0
202.0
202.4
203.2
203.0
203.6
204.1
204.5
204.8
205.4
206.3
207.2
CoolingCapacity
/kW
298.6
314.1
329.0
338.2
349.2
355.1
369.5
381.7
391.6
405.7
409.7
361.6
379.4
396.0
413.2
430.0
446.0
463.0
480.7
497.9
515.3
531.9
527.5
547.4
568.3
588.0
609.7
631.4
654.4
677.5
701.3
725.8
750.3
PowerInput/kW
118.9
120.0
121.2
122.5
123.2
124.2
125.0
126.1
127.3
128.3
129.4
148.8
150.0
151.4
152.6
154.0
155.3
156.7
158.0
159.3
160.8
162.1
194.0
194.4
195.1
195.3
195.7
196.0
196.8
197.6
198.2
198.7
199.1
CoolingCapacity
/kW
318.5
330.6
347.2
351.0
363.0
374.2
386.9
396.6
409.4
421.3
433.2
379.7
398.1
416.2
433.3
449.9
465.7
483.2
500.9
518.1
535.7
552.9
539.0
559.2
579.5
599.5
621.5
643.4
666.8
690.3
714.5
739.5
764.5
PowerInput/kW
111.0
111.9
113.0
114.0
114.4
115.7
116.4
117.3
118.1
119.0
119.7
135.3
136.5
138.0
139.1
140.4
141.6
142.8
144.1
145.3
146.7
147.9
183.0
183.4
184.1
185.2
185.7
186.1
186.5
186.8
187.4
188.2
189.0
CoolingCapacity
/kW
338.8
352.7
364.0
370.5
384.7
393.3
408.4
420.2
432.1
444.0
459.2
410.0
429.3
450.0
466.7
483.1
498.5
516.9
534.6
551.7
569.8
587.9
554.0
574.7
596.2
617.7
640.4
663.0
686.2
709.4
733.8
759.4
785.0
PowerInput/kW
105.4
106.4
107.4
108.2
108.8
109.6
110.6
111.5
112.3
113.2
113.9
127.4
128.5
129.8
131.1
132.4
133.4
134.6
135.9
137.1
138.2
139.4
163.5
164.0
164.0
165.2
165.8
166.3
166.6
166.9
167.4
168.3
169.1
CoolingCapacity
/kW
356.5
368.4
380.7
392.8
405.0
419.7
427.1
441.7
450.7
466.1
481.0
421.4
439.9
458.1
478.0
497.2
514.6
532.4
551.3
570.4
589.9
605.6
584.0
606.1
628.4
650.2
673.3
696.4
721.4
746.5
772.0
798.1
824.2
PowerInput/kW
98.6
99.9
100.6
101.7
102.6
103.4
104.5
105.6
106.6
107.6
108.3
119.2
120.1
121.3
122.4
123.7
124.9
126.2
127.3
128.4
129.6
130.7
151.5
152.1
152.2
153.0
153.5
154.0
154.4
154.8
155.2
155.7
156.1
CoolingCapacity
/kW
372.6
384.3
397.5
407.6
422.1
435.6
446.3
459.9
472.2
485.0
498.4
432.3
450.6
469.2
487.6
505.9
525.0
543.7
562.5
581.5
601.0
618.9
602.0
624.4
647.3
669.4
693.2
717.0
742.2
767.4
793.6
820.9
848.1
PowerInput/kW
93.8
94.6
95.5
96.4
97.1
97.8
98.3
99.1
99.8
100.6
101.2
112.2
113.4
114.5
115.5
116.6
117.9
119.2
120.3
121.4
122.4
123.6
140.5
141.0
141.1
142.1
142.7
143.2
143.5
143.8
144.1
144.2
144.3
PowerInput/kW
91.4
92.0
93.0
93.8
94.4
95.0
95.2
95.9
96.4
97.1
97.7
108.7
110.1
111.1
112.1
113.1
114.4
115.7
116.8
117.9
118.8
120.1
131.0
131.3
131.4
132.6
133.3
133.8
134.0
134.3
134.4
134.1
134.1
CoolingCapacity
/kW
388.0
400.5
415.0
426.4
439.4
452.4
462.4
478.4
488.8
504.4
520.9
443.3
463.1
483.3
503.0
522.9
542.8
563.0
583.9
603.2
622.7
638.9
619.5
642.4
665.1
687.5
711.8
736.1
761.7
787.2
813.8
841.5
869.2
CoolingCapacity
/kW
397.2
410.2
425.5
437.7
449.8
462.5
472.1
489.5
498.8
516.0
534.4
449.9
470.6
491.8
512.2
533.1
553.5
574.6
596.7
616.2
635.7
650.9
637.0
660.4
683.0
705.6
730.5
755.2
781.2
807.1
834.1
862.2
890.3
5
6
7
8
9
10
11
12
13
14
15
5
6
7
8
9
10
11
12
13
14
15
5
6
7
8
9
10
11
12
13
14
15
Model
LSBLGCW360A
LSBLGCW450A
LSBLGCW600
15 20 25 30 35 40 43
Ambient temperature/℃
OutletTemp.
/℃
PowerInput/kW
197.2
199.8
201.2
203.4
205.2
206.8
209.0
211.2
213.2
215.2
216.6
217.8
220.0
221.9
224.1
226.3
228.3
230.7
232.9
235.0
237.2
239.0
238.4
240.2
242.6
244.8
247.4
249.8
252.4
254.6
256.8
259.2
261.4
PowerInput/kW
210.8
212.8
214.8
216.4
217.6
219.2
221.2
223.0
224.6
226.4
227.8
232.8
234.9
237.2
239.3
241.2
243.0
245.2
247.4
249.4
251.4
253.3
254.8
257.0
259.6
262.2
264.8
266.8
269.2
271.8
274.2
276.4
278.8
PowerInput/kW
222.0
223.8
226.0
228.0
228.8
231.4
232.8
234.6
236.2
238.0
239.4
246.3
248.4
251.0
253.1
254.8
257.3
259.2
261.4
263.4
265.7
267.6
270.6
273.0
276.0
278.2
280.8
283.2
285.6
288.2
290.6
293.4
295.8
PowerInput/kW
237.8
240.0
242.4
245.0
246.4
248.4
250.0
252.2
254.6
256.6
258.8
267.7
270.0
272.6
275.1
277.2
279.5
281.7
284.1
286.6
289.1
291.5
297.6
300.0
302.8
305.2
308.0
310.6
313.4
316.0
318.6
321.6
324.2
PowerInput/kW
253.6
256.2
258.8
261.8
263.8
267.0
269.8
272.6
275.0
277.4
280.0
285.9
288.6
291.2
293.9
296.4
299.4
302.3
305.0
307.7
310.4
313.0
318.2
321.0
323.6
326.0
329.0
331.8
334.8
337.4
340.4
343.4
346.0
CoolingCapacity
/kW
745.2
768.6
795.0
815.2
844.2
871.2
892.6
919.8
944.4
970.0
996.8
804.9
834.9
866.7
895.2
928.0
960.6
990.0
1022.4
1053.7
1086.0
1117.3
864.6
901.2
938.4
975.2
1011.8
1050.0
1087.4
1125.0
1163.0
1202.0
1237.8
CoolingCapacity
/kW
713.0
736.8
761.4
785.6
810.0
839.4
854.2
883.4
901.4
932.2
962.0
777.9
808.3
838.8
870.8
902.2
934.3
959.5
993.0
1021.1
1056.0
1086.6
842.8
879.8
916.2
956.0
994.4
1029.2
1064.8
1102.6
1140.8
1179.8
1211.2
CoolingCapacity
/kW
677.6
705.4
728.0
741.0
769.4
786.6
816.8
840.4
864.2
888.0
918.4
748.8
782.0
814.0
837.2
867.8
891.8
925.3
954.8
983.8
1013.8
1047.1
820.0
858.6
900.0
933.4
966.2
997.0
1033.8
1069.2
1103.4
1139.6
1175.8
CoolingCapacity
/kW
637.0
661.2
694.4
702.0
726.0
748.4
773.8
793.2
818.8
842.6
866.4
698.2
728.7
763.4
784.3
812.9
839.9
870.1
897.5
927.5
957.0
986.1
759.4
796.2
832.4
866.6
899.8
931.4
966.4
1001.8
1036.2
1071.4
1105.8
CoolingCapacity
/kW
597.2
628.2
658.0
676.4
698.4
710.2
739.0
763.4
783.2
811.4
819.4
660.2
693.5
725.0
751.4
779.2
801.1
832.5
862.4
889.5
921.0
941.6
723.2
758.8
792.0
826.4
860.0
892.0
926.0
961.4
995.8
1030.6
1063.8
PowerInput/kW
187.6
189.2
191.0
192.8
194.2
195.6
196.6
198.2
199.6
201.2
202.4
206.0
208.0
210.0
211.9
213.7
215.7
217.5
219.4
221.2
223.0
224.8
224.4
226.8
229.0
231.0
233.2
235.8
238.4
240.6
242.8
244.8
247.2
PowerInput/kW
182.8
184.0
186.0
187.6
188.8
190.0
190.4
191.8
192.8
194.2
195.4
200.1
202.1
204.1
205.9
207.5
209.4
210.9
212.7
214.3
215.9
217.8
217.4
220.2
222.2
224.2
226.2
228.8
231.4
233.6
235.8
237.6
240.2
CoolingCapacity
/kW
776.0
801.0
830.0
852.8
878.8
904.8
924.8
956.8
977.6
1008.8
1041.8
831.3
863.6
898.3
929.4
962.3
995.2
1025.4
1062.3
1092.0
1127.1
1159.8
886.6
926.2
966.6
1006.0
1045.8
1085.6
1126.0
1167.8
1206.4
1245.4
1277.8
CoolingCapacity
/kW
794.4
820.4
851.0
875.4
899.6
925.0
944.2
979.0
997.6
1032.0
1068.8
847.1
880.8
917.3
949.9
982.9
1016.0
1046.7
1086.2
1115.0
1151.7
1185.3
899.8
941.2
983.6
1024.4
1066.2
1107.0
1149.2
1193.4
1232.4
1271.4
1301.8
5
6
7
8
9
10
11
12
13
14
15
5
6
7
8
9
10
11
12
13
14
15
5
6
7
8
9
10
11
12
13
14
15
Model
LSBLGCW720A
LSBLGCW800A
LSBLGCW900A
15 20 25 30 35 40 43
Ambient temperature/℃
OutletTemp.
/℃
20M Type Air Cooled Screw Chiller19 M Type Air Cooled Screw Chiller
DIMENSION23
70
471
3730
DN1252181729
DN125 DN125
(1)LSBLGCW360A units (2)LSBLGCW450A units
228022262280
2226
4730
2180
DN125
1228
2370
471
22M Type Air Cooled Screw Chiller21 M Type Air Cooled Screw Chiller
(4)LSBLGCW720 units
2430
610
7425
2280
2260
4275 2626
DN150Chilled water outlet
DN150Chilled water inlet
(3)LSBLGCW600 unit
Chilled water inlet
DN125
Chilled water outletDN125
Axial fan
Control box
Shell-and-tube heat exchanger
Hoisting hole
5700
1100 2755
Copper-fin heat exchanger
Compressor
2280
2400
24M Type Air Cooled Screw Chiller23 M Type Air Cooled Screw Chiller
(6)LSBLGCW900 units
9425
2260
2280
30805710
2430
610
DN150Chilled water outlet
DN150Chilled water inlet
(5)LSBLGCW800 units
DN150Chilled water outlet
DN150Chilled water inlet
8425
2280
2260
4710
2430
610
3080
26M Type Air Cooled Screw Chiller25 M Type Air Cooled Screw Chiller
(3)LSBLGCW600 unit
(4)LSBLGCW720A unit
150
150
Unit bottom
Foundation bolt M14
Control box
150
150 1890 1950790
2280
2165
5700
DE
ABC
F
Foundation
1505 1180 1800 2570
2280
2180
150
7425 150
Foundation
Unit bottom
Control box
Foundation bolt M14
A B C D
E F G H
LSBLGCW720A 897 885 862 856 897 885 862 856
A B C D E F G HModel
Weight to be supported by spring isolator(kg)
LSBLGCW600 890 930 780 890 930 780
A B C D E FModel
Weight to be supported by spring isolator(kg)
(1)LSBLGCW360A unit
(2)LSBLGCW450A unit
INSTALLATION BASEMENT
LSBLGCW360A 896 864 896 864
A B C DModel
Weight to be supported by spring isolator(kg)
LSBLGCW450A 854 857 554 854 857 557
A B C D E FModel
Weight to be supported by spring isolator(kg)
150
150
3730
Unit bottom
Foundation bolt M14
Control boxFoundation
2165
7002060
2280
DC
A B
150
150
4730
1630
Unit bottom
Foundation bolt M14
Control box
Foundation
2280
2165
5302070
FD
CA
E
B
28M Type Air Cooled Screw Chiller27 M Type Air Cooled Screw Chiller
1. Be sure to take the base preparation and structure into consideration seriously during installation,
especially avoid the intensity and noise of floor when the machine is installed on the top storey of
buildings. It is recommended to discuss with the building designer before conducting installation.
2. The surrounding of the base shall be equipped with drainage ditch and make sure it can dewatering
freely for convenient in drain.
3. Anti-vibration pad shall be placed between the base frame and fundation in order to avoid
transmitting vibration and noise during the runtime of the unit, and make sure the unit is aclinic during
installation.
Notes:1) When adopting the fixing method as shown in Figure 2, reserve the space for the anchor bolt hole
for installing shock absorber.
2) When adopting the fixing method as shown in Figure 1, reserve the space for the mounting hole of
the anchor bolt on the base frame according to the position of the mounting hole in installation drawing.
Unit bottom
Foundation
Spring shock absorber
Unit bottom
Steel Plate (thickness ≥ 5mm)
Rubber pad
Foundation
Installation Requirements:
(6)LSBLGCW900A unit
LSBLGCW800A
A B C D E F G H I JModel
Weight to be supported by spring isolator(kg)
595 854 865 859 852 595 854 865 859 852
LSBLGCW900A
A B C D E F G H I J K LModel
Weight to be supported by spring isolator(kg)
583 857 872 863 571 854 583 857 872 863 571 854
410 1800 1500 1500 1800 180022
8015
0
2180
9425 150
Foundation
Unit bottom
Control box
A B C D E F
G H I J K L
Foundation bolt M14
(5)LSBLGCW800A unit
893
8425
2280
150
Foundation
Unit bottom
Foundation bolt M14
Control box
1570 1180 1800 2570
2180
150
A E
F J
B C D
G H I
30M Type Air Cooled Screw Chiller29 M Type Air Cooled Screw Chiller
INSTALLATION SPACE CONSTRUCTION
1 Electric control cabinet
2 Start up cabinet
3 Condenser
4 Compressor
5 Evaporator
1 Electric control cabinet
2 Condenser
3 Evaporator
4 Compressor
4 5
1 32
1
4
32
>1.0m
>1.0m
>1.8m
>1.8m
>1.8m
>1.8m
>1.8m
>1.0m
>1.0m
>1.0m
32M Type Air Cooled Screw Chiller31 M Type Air Cooled Screw Chiller
Guarantee the Comp. running in the right range and its lifespan
Protect Comp. from damage under such situation of lack phase and anti-phase
Protect the copper pipes of evaporator from damage due to water freeze
Protect Comp. from getting burned by the overheated winding due to frequent startup
Protect Comp. from getting burned due to too heavy current
Protect Comp. from damage due to lack of refrigerant or lubricant oil
Protect Comp. from getting burned due to failure of heat-exchange
Guarantee the comp. motor running in the right direction
High/low pressure protection
Power lack phase protection
Anti-freeze protection under cooling mode
Frequent startup protection
Over current protection of Comp.
Overheat protection of compressor
Water flow protection
Reverse protection controller(APRS)
Multiple self-protecting functionsPLC controllerMidea LSBLGCW chiller adopts PLC controller which enables the user to
monitor and control the chiller with high-class accuracy. PLC control system
guarantees high precision and stability. The control system is module-designed,
easy for installation and maintenance. The chiller which reserved with RS485
port can be interfaced with BAS (Building Automation system). The remote
monitoring and control of the chiller is possible.
Color touchable screenThe display of control regulation and operating parameters, diagnostics, and error messages is a 7 inch, 65636
colors TFT displayer with 800 X 480 distinguish ability. The screen can display error codes, settings of various
set points, specified temperature and pressure values, and the status of operating parameters and options.
Power-down memory functionWhen power-down, the chiller will maintain preceding running mode and
parameter set point.
Weekly operation schedulingThe user can set the chiller operation schedule in the weekly timetable to
run and stop the chiller automatically. If sudden power down happens,
the chiller will not restart until manual reset.
Data acquisition & StoringMax. 256 records of latest alarms and 500 seconds chilled/cooling water temperature trend display.
3-class passwords3-class passwords are for the user, for Installation and for the Debugging technician of factory. Unauthorized
access to the control is protected with random-generated password.
Self-DiagnosisSelf-diagnosis is always performed before start-up to enable safe operation. Only all the requirements get
satisfied,the chiller will start.
Multiple self-protecting functions guarantee the safety of unit and running perfectly.
PLC CONTROLLER
Y-Δ start up cabinet—standard model1)Structure simple and reliable
2)Starting current is only 200-300% of full load current
3)Lower voltage start up can effectively protect the motor
34M Type Air Cooled Screw Chiller33 M Type Air Cooled Screw Chiller
FIELD WIRING DIAGRAM
ELECTRIC PARAMETER TABLE
ModelMain power
Power Range Compressor Fan
261.6
340.8
395
523.2
602.4
681.6
5.6
5.6
5.5
5.6
5.6
5.6
6
8
10
12
14
16
940
940
940
940
940
940
1
1
1
2
2
2
-10%
-10%
-10%
-10%
-10%
-10%
+10%
+10%
+10%
+10%
+10%
+10%
Hz
50
50
50
50
50
50
V
380/400
380/400
380/400
380/400
380/400
380/400
LSBLGCW360A
LSBLGCW450A
LSBLGCW600
LSBLGCW720A
LSBLGCW800A
LSBLGCW900A
Refer to 360A
Refer to 360A+450A
Refer to 450A
113
138
166
207.2
243.3
290
228
296
340
586
650
805
Highest running current/ARated
current/ARate of fan/RPM
Fan quantity
Rated power/kW
Rated current/A
Highest running
current/A Start
current/A Quantity LowestHighest
N
L1L2L3
PE
Ala
rm
Coo
ling
run
outp
ut
Indi
catio
n
Flow
sw
itch
Rem
ote
Sto
p
Rem
ote
Sta
rt
5 6 7 8 9 10 17 184321
Mul
ti-un
its
com
mun
icat
ion
inte
rface
11 12 13 14 15 16
Pum
p TYPICAL WATER PIPING LAYOUT
APPLICABLE RANGE
Running range
T1 Condition:15℃~43℃
5℃~15℃
Rating flow volume±20%
8℃
Rating Voltage±10%
±2%
Rating frequency±2%
1.0MPa
4 times/h
High corrosive environment and high humidity should be avoid.
The height of water drainage should not be higher than the base of the unit on the spot
Content
Ambient TEMP.
Out water TEMP.
Water flow volume
Max inlet/outlet water TEMP. difference
Voltage tolerance
Phase tolerance
Power supply frequency
Evaporator max working pressure on water side
Compressor max. start count
Environment quality
Drainage system
Dis
trib
uter
Col
lect
or
Automatic Watering
To Drain
ExpansionTank
Stop Valve Pressure Gauge Water Flow Switch 3-Way Valve Soft Joint
Y-Shaped Filter Thermometer Water Pump Check Valve Air Vent Drain valve