1. CMV Mini VRF SYSTEM
R410a, 50Hz

2. Contents
Brief Introduction
Advantages
Indoor units
Controllers

3. I. Brief Introduction 01. Product Line Up 02. Outdoor units
03. Indoor Units Line up
04. Nomenclature

4. CHIGO commercial AC products Air-cooled scroll chiller
Brief Introduction
01. Product Line Up
CHIGO commercial AC products
Air-cooled scroll chiller
Mini VRF
VRF
LCAC
10KW
12.5KW
14KW
16KW
R410a,50HZ
380V-415V/3Ph;220V-240V/1ph

5. Brief Introduction 02. Outdoor Units 4 models
All outdoor units have same size
10KW /12.5KW/14KW/16KW
Each outdoor unit can connect more than one indoor unit, MAXIMUM 8 units can be connected.

6. Max connected indoor unit quantity
02. Outdoor Units
Specifications
CMV-V100W/ZR1-B
CMV-V125W/ZR1-B
CMV-V140W/ZR1-B
CMV-V160W/ZR1-B
Cooling mode
Capacity
10KW
12.5KW
14KW
16KW
Input
2.69KW
3.38KW
3.98KW
4.58KW
Heating mode
11.5KW
18.5KW
2.91KW
3.66KW
4.3KW
5.13KW
Size W*H*D mm
900*1328*345
Noise level dB(A)
45 ~ 58
Max connected indoor unit quantity 6 7 8
380V-415V/3PH/50HZ ; 220V-240V/1PH/50HZ

7. 4-way cassette (compact type)
Brief Introduction
03. Indoor Units Line Up
Cap.
(kW)
4-way
cassette
4-way cassette (compact type)
Wall-mounted
Low ESP ducted unit
Medium ESP ducted unit
High ESP ducted unit
Floor Ceiling
Fresh air processor
2.2 ●
2.8
3.2
3.6
4.5
5.6
7.1
8.0
9.0
10.0
11.2
12.0
12.5
14.0
15.0
16.0

8. CMV - V 100 W / Z R1 B Brief Introduction
04. How To Read The Model Name
CMV - V
100 W / Z R1 B
Refrigerant type
R1: R410a
Power supply
Z: V/3PH/50Hz
Omit: V/1PH/50Hz
Outdoor unit
Chigo VRF system
Capacity (*100W)
Compressor code
V: Inverter
Design code
B: 2nd generation

9. CMV - V 125 TB / H R1 B Brief Introduction
04. How To Read The Model Name
Refrigerant type
R1: R410a
Function code
H: Heat pump
Indoor unit code
Q: 4-way cassette
G: Wall-mounted
TA: Low ESP ducted
TB: Medium ESP ducted
TH: High ESP ducted
LD: Floor ceiling
Chigo VRF system
Capacity (*100W)
Compressor code
V: Inverter
CMV - V
125 TB / H R1 B
Design code
B: 2nd generation

10. II. Advantages 01. High efficiency 02. Benefit for users
03. Benefits For Installers
04. Doctor Kit

11. 01. High Efficiency

12. High Efficiency 01. High Efficiency DC Inverter Compressor
Twin-rotor DC inverter compressor
Rotating speed can be down to 20RPS
Has very good efficiency in part load condition
High efficiency
High reliability
Low vibration
Low noise
Long life

13. High Efficiency 01. High Efficiency DC Inverter Compressor
High Efficiency, Low Noise:
Optimized the efficiency and noise during operation with the latest technology.
Environmental Protection:
Developed the compressor with alternative refrigerant which can protect environment.
Low Vibration:
Reduced the vibration during compressor start and operation by using 2CYL Structure, simplified the match of air-conditioning.

14. High Efficiency 02. High Efficiency DC Motor
High efficiency DC fan motor
Low noise and high efficiency because of high-density wire winding engineering
Brushless with built-in sensor AC
motor
Low efficiency
Big noise
Not adjustable

15. High Efficiency 03. DC Motor Stepless Control
DC fan motor can be stepless controlled by outdoor PCB according to system's operating temperature and frequency. And it is able to reduce the energy consumption and maintain the system in the best performance. 0%
100%
130%
1200
700
50%
Load
Revolution (rpm)
200
1400
DC motor stepless adjustment
AC motor 2-speed adjustment
Energy wasted
Low performance
50% energy
saved

16. Increase efficiency by 12%
High Efficiency
˚ Sine Wave Control
The perfect combination of 180˚ Sine wave rotor frequency drive control technology and excellent IPM inverters, reduces the reactive loss of motor-driven, increases motor efficiency by 12%.
Conventional control waveform
Increase efficiency by 12%
180˚ Sine Wave vector Control

17. High Efficiency 05. CCT Inner-grooved Tube
CCT (Continuous Cooling Transformation) inner-grooved copper tube has high thermometric conductivity. Its inner-grooved fins break the refrigerant flow boundary layer to enhance refrigerant disturbance to increase heat-exchanging efficiency.
Coefficient of heat transfer, kW/(m2·K)
Refrigerant mass flow, kg/(m2·K) 6 5 4
100
200
300
400
CCT Inner-grooved Tube
Conventional Tube

18. Coefficient of heat transfer
High Efficiency
06. High Performance Heat Exchanger
Has low air resistance and great heat transfer coefficient
Frosting improved, frost on the heat-exchanger will be well-distributed, easy for defrosting.
Coefficient of heat transfer
kW/(m2·K)
Face velocity, m/s
300
200
100 2 4
Cross Flow Fins
Conventional Fins

19. 02. Benefits For Users

20. Benefits For Users 01. Excellent In Efficiency
Thanks to DC devices(compressor and motor), piping optimization design and new control logic, system's EER and COP are observably increase.

21. Benefits For Users 02. Outstanding Comfort Ability
Precisely room temperature control by adopting large pulse EXV. Indoor temperature fluctuation can be maintain within 0.5 ˚C, offers outstanding comfort ability.
Time
Room Temperature
25oC
Mini VRF
Conventional fixed speed system
±0.5˚C

22. Some indoor unit get to set point
Benefits For Users
02. Fast cooling and heating
Every rooms meet set point most quickly and comfortably by optimized refrigerant control.
Normally running
Some indoor unit get to set point
Set point
Set point

23. Benefits For Users 03. Wide Outdoor Operation Range.
Because global warming is getting worse, Max. cooling operating temperature is increased to 50˚C,
0 ˚C
10 ˚C
20 ˚C
30 ˚C
40 ˚C
50 ˚C
-10˚C
-5˚C
50˚C
Cooling range
Heating operating temperature is down to -20˚C. In the cold winter, system can heat the room continuously.
-20˚C
30˚C
Heating range
-10˚C
0˚C
10 ˚C
20 ˚C

24. Heating Capacity output
Benefits For Users
05. Intelligent Defrosting Program
Program starts only when unit needs to. Whereas conventional unit's defrosting timing & duration is fixed, causing fluctuations in temperature and personal comfort.
Time
Heating Capacity output
Conventional program
Intelligent defrosting program
Conventional unit's defrosting timing & duration is fixed
Intelligent defrosting program starts according to heat exchanging efficiency & capacity change due to the frost. Less temperature fluctuations, people feel more comfortable.

25. Benefits For Users 06. Fan Reversal Protection
In standby, if the outdoor fan motor is rotating in opposite direction at a high speed by the wind or other natural factors, the unit can’t start so as to keep the fan motor from broken down. It will start when the fan motor speed slow down.

26. Benefits For Users 07. Flexible For All Kinds Of Rooms
8 types & 55 models of indoor units, suitable for all kinds of rooms.

27. 03. Benefits For Installers

28. Benefits For Installers
01. Long Pipe & Height Difference.
The total pipe length: 125 m
The longest pipe length: 50 m
Height deference: 30 m
Height difference between indoor units: 15 m
Length from first indoor distributor to last indoor unit: 25 m
<30m
<50m
<15m
<25m

29. Benefits For Installers
02. Space saving installation
Multiple indoor units can be connected to 1 outdoor unit, and long piping connection is also possible.
Compare to one-drive-one type, the outdoor unit can be installed in various places to realize the space-saving installation.

30. Benefits For Installers
03. Addressing Methods
Automatically addressing: system will distribute address to indoor unit automatically
Automatic addressing will reduce artificial faults and manual works.

31. Benefits For Installers
04. Automatic Addressing
Automatic addressing will reduce artificial faults and manual works.
54% system failure were caused by communication faults.
65% communication faults were caused by address problems.
Most of the address problems were: address setting forgotten, wrong settings, address repeat.
Failure chart
Address faults was awarded to the most hated fault after had investigated 120 VRF after-sale engineers in 2011.
65%
54%

32. Benefits For Installers
05. LED Display On PCB
LED display on the PCB, it can show system's operation status and error codes.

33. Benefits For Installers
06. Mode Restriction
5 kinds of mode restriction
First start indoor units priority mode
Cooling (or heating) priority mode
Cooling only (or heating only) mode
Mode restriction function can be selected on the outdoor PCB.

34. Benefits For Installers
7. Oil Control Technology
Core oil control technology makes system safety & reliable.
Intelligent oil return program
Oil level control
Oil even pipe
Oil separator
Separation efficiency 92%

35. Benefits For Installers
8. 3-phase Power Protector (Optional Device)
Protect the outdoor unit from instable voltage.

36. 04. Doctor Kit

37. Doctor Kit
01. Easy To Use
Doctor Kit includes: 1 CD software and RS485-USB converter, easy to install
Graphical interfaces, easy to use

38. Doctor Kit 02. Data Monitoring
We can use computer to inquiry outdoor unit's operating status, error codes when connecting to Doctor Kit.
Compressors, sensors, valves operating parameter can be real-time monitored.
System operating parameter curve can be real-time displayed.

39. Doctor Kit 04. Troubleshooting
Built-in with troubleshooting instruction, user can follow the instruction to solve the problem when error happens.
User can also print out the instruction and take it to site to solve the problem step by step.

40. Doctor Kit 05. Automatic Data Backup
Automatic Data Backup: all operating data will be saved on hard disk automatically. Data file can be exported easily by software.
When system failure, user can send the data file to Chigo, Chigo's engineer will check and guide you to solve the problem.
10 hours data = 1MB

41. Doctor Kit 06. Charged Refrigerant Volume Calculator
Input the liquid pipe diameter and length, software will calculate the additional refrigerant charged volume.
Charged volume can be saved for future reference.
Discharge pressure can be monitored when charging refrigerant.

42. Ⅲ. Indoor Units 01. 4-way cassette 02. Wall-mounted 03. Floor ceiling
04. Low ESP Ducted type
05. Medium ESP Ducted type
06. High ESP Ducted type
07. Full fresh air processor

43. Indoor Units 01. 4-way Cassette Standard type:
Capacity: 2.8 kW to 16 kW
Size: 840 × 893mm
Built-in with EXV and water pump
Pumping head 750mm
Compact type:
Capacity: 2.2 kW to 4.5 kW
Size: 580*580mm,
Built-in with EXV and water pump
pumping head 700mm

44. Indoor Units 02. Wall-mounted Capacity: 2.2 kW to 7.1 kW
2 types of unit can be chosen:
EXV Built-in type
EXV separated type
Compact size and low noise

45. Indoor Units 03. Floor Ceiling Capacity:4.5kW to 16.0kW
Flexible installation:
vertical or horizontal
Built-in with EXV
Comfortable air delivery swing adjustment:
Left and right,
Up and down

46. Indoor Units 04. Low ESP Ducted Type Capacity 2.2 kW to 7.1 kW
External static pressure: 20 Pa
Built-in with EXV
Low noise, and light weight
Slim body, only 180 mm height
Air return box and filter is optional

47. Indoor Units 05. Medium ESP Ducted Type Capacity: 7 kW to 15 kW
External static pressure: 70Pa
Built-in with EXV
Flexible installation, many options
Air return method can be site changed
Air return for rear
Air return from bottom

48. Indoor Units 06. High ESP Ducted Type Capacity: 7 kW to 15 kW
External static pressure: 150Pa
Built-in with EXV
Suitable for long distance air supply
7.1kW / 8.0kW / 9.0kW
10.0kW / 12.0kW / 15.0kW

49. Ⅳ. Controllers and Software
01. Wireless remote controller
02. Wired controller
03. Group controller
04. BMS Gateway
05. Centralized control system
06. Doctor Kit
07. CMV selection software

50. Controllers and software
01. Wireless Remote Controller
Indoor unit address inquiry
Indoor unit address setting
Temperature setting
Operation mode setting
Fan speed setting
Timer function
Standard
Optional

51. Controllers and software
02. New Wired Controller
Bidirectional communication. Indoor unit's operating parameters (error code, temperature, address) can be inquired and displayed on the controller.
Compact design
3'' screen with white background light
Timer function
Electrical standard dimensions

52. Controllers and software
03. Group Controller
Easy to install. Controller connects to outdoor units only.
Able to install group controller after building decoration.
1 Controller can control max. 64 indoor units in different systems.

53. Controllers and software
03. Group Controller
Wireless/wired control restriction
Operation mode restriction
Timer function
Error or protection code display

54. Controllers and software
04. BMS Gateway
BACnet gateway
Modbus gateway
Mini CMV system
BMS/BAS System
Gateways
BACnet
LonWorks
RS485
Honeywell
Siemens
Johnson controls
Etc… ……
RS485

55. Controllers and software
05. Centralized Control System
Billing function
Operating report output
Schedule management
1024 indoor unit can be connected
Control indoor units with fully permissions.

56. Controllers and software
06. Doctor Kit
Operating status, error codes inquiry
Compressors, sensors, valves operating parameter real-time monitored and display.
Commissioning results can be reported.
Built-in with troubleshooting instruction
Automatic Data Backup

57. Controllers and software
07. CMV Selection Software

58. latest developments

59. latest developments
1st time test of trail production is done.

60. Thank you!!