Download - V4Plus VRF English- Features and Advantages
DC Inverter VRF MDV4+
V4+Outdoor Product Range
8/10HP 12/14/16HP
1. 5 basic modules from 8~16HP with 2 casing2 Full range capacity is from 8HP~ 64HP with 2HP increase2. Full range capacity is from 8HP 64HP with 2HP increase
V4+Indoor Product Range
Same product
New electric
rangecontrol
V4+ImprovementsWhat improvements were realized
Efficiency and performance
Control and function
Installation and maintenanceInstallation and maintenance
Efficiency and PerformanceKey component of the outdoor unit
New outdoor fan design Air volume increase 10%
Strengthen heat exchange design
Heat exchange efficiency increase 10% Increase 25%
t MDV3
High efficiency DC i t Save power 25%
to MDV3Increase 10%
to MDV4inverter compressor Save power 25%
High efficiency DC Fan motor
Save power 50%
DC technology and optimized piping design, improve the efficiency very much
Efficiency and Performance
High Efficiency DC fan motor
Adopt the advancedDC fan motor Load-Rev curve
DC fan 18 level vector adjust
AC fan 2-3 level adjust
Reach max energysaving to 90%in little loadin little load
Load(%)
According to the running load and system pressure ,it controls the speed of DC fan to achieve the min. energy consumption and best performanceperformance.
Efficiency and Performance• EER UP TO 4.29(8HP)• AVERAGE EER UP TO 3 67AVERAGE EER UP TO 3.67
Efficiency and Performance• COP UP TO 4.39(8HP)• AVERAGE COP UP TO4 12AVERAGE COP UP TO4.12
Efficiency and PerformanceWider operation temp. range
‐‐55 4848coolingcooling
‐‐2020 2424heatingheating
In cold In cold winter……winter……
V4+ImprovementsWhat improvements were realized
Efficiency and performance
Control and function
Installation and maintenanceInstallation and maintenance
Control and FunctionRecycle operation of outdoor units
In one combination, any of the outdoor unit can run as the master outdoor unit, to realize the similar lifespan among the outdoor units in the combination.
MasterSlave 1 Slave 2
Control and FunctionRecycle operation of outdoor units
Control logic:
Cooling mode Heating mode
Restart when reach setting temp.After oil return。
Restart when reach setting temp.After oil return。After defrosting program。After defrosting program。
Control and FunctionSilent operation
unit:dB(A)unit:dB(A)
decreased
MDV4+ 10HP noise testing data!
Control and FunctionSilent operation
MDV4+ offers many silent modes for choicesLowest noise down to 46.8dB
Above testing data from the noise lab.g
Control and FunctionSilent operation control
S2: comparing with highest ambient temp. of the day, when the system will enter silence mode and the period of silence operationmode and the period of silence operation.
Capa
city %
d %
Highest ambient temp.
Silence mode
Load
e dB
Start night silence mode Stop night silence modeNoise
Control and FunctionSilent operation selection
Night noise control mode :Silent operation mode
Control and FunctionImproved oil return program
Oil t ill t t ft t h b iOil return program will start after system has been running
for 8 hours.
During oil return program indoor unit which is in standby mode indoorDuring oil return program, indoor unit which is in standby mode, indoor fan will not run;
Cooling mode Heating mode
Indoor unit in cooling mode or fan only Indoor unit in heating mode: indoor fanIndoor unit in cooling mode or fan only mode: indoor fan keeps running;Indoor unit in standby mode: indoor fan will not run
Indoor unit in heating mode: indoor fan is controlled by anti-cold air function;Indoor unit in standby mode: indoor fan will not runwill not run. will not run.
M d l k
Control and FunctionMode lock
S l ki d f d l k id h d fliSeveral kinds of mode lock ‐‐ avoid the mode conflict
Fi tHeatingpriority mode
Coolingpriority
First on‐indoor units Heating
only modeCooling
only modemode (default) mode priority
mode
only mode only mode
M d l k
Control and Function
Mode priority selection(from S5 Switch of outdoor PCB):
Mode lock
Mode priority selection(from S5 Switch of outdoor PCB) :
Remark:just available forRemark:just available for master outdoor unit.
P i it d Fi t i itPriority mode : First on priority.
ImprovementWhat improvements were realized
Efficiency and performance
Control and function
Installation and maintenanceInstallation and maintenance
AUTO ADDRESSING
Installation and MaintenanceAUTO ADDRESSING
Outdoor unit will automatically
distribute the address to indoor units
without any manual settings;
Wired controller and wireless controller
63# 61#62#
Wired controller and wireless controller
can enquiry and modify every indoor
units address. 00# 01# 02#
Address setting
Add i
Installation and MaintenanceAddress setting
ENC3 S3 ENC2 ENC1 S1
ENC3 ‐‐‐‐‐‐‐‐‐‐‐‐‐‐Network address settingS3 ‐‐‐‐‐‐‐‐‐‐‐‐‐‐default
(ENC1 ‐‐‐‐‐‐‐‐‐‐‐‐‐‐outdoor address setting(0:main unit,1‐3 :slave unit)
Si l i i i
Installation and MaintenanceSimple communication wire
Only one group of communication wire of y g pPQE , achieved both of communication for indoor & outdoor unit and network .
Indoor central Controller connectFrom indoor side
Central controller can connect from indoor side or outdoor side at willside or outdoor side at will
Network control
UPS
Indoor central controller
Indoor central Controller connectFrom outdoor sidecontroller
outdoor central controller
From outdoor side
softdog software RS485‐232
Installation and MaintenanceChangeable static pressure of outdoor fan
The static pressure of outdoor fan is changeable, it is very Suitable for floor by floor installation
0Pa Standard
20Pa Optional
20~81.8Pa Customized
Changeable E.S.P.Changeable E.S.P.
Remark : between 20-81.8Pa,it need factory Customized especial chip
Installation and MaintenanceChangeable static pressure of outdoor fan
Outdoor fan static pressure selection from switch S4
D i b l t h lInstallation and Maintenance
Dynamic gas balance technology
No Need Gas
Prime unit Slave unit 1 Slave unit 2
No Need Gas Balance Pipe!
Real-time pressure deliver Real-time pressure deliver
Pressure sensor monitors the system pressure on time and transfer the data to the
main unit.
main unit will send the pressure data to every unit and make sure the every
outdoor units in balance situation.
E i tInstallation and Maintenance
Easy maintenance
Reserve checking window for the C i thelectric control box Compressor is near the outside and easy to be
removed
Installation and Maintenance
Maintenance software
MaintenanceEasy Maintenance
Outdoor UnitMaintenance S ftMaintenance S ftSoftwareSoftware
Network control Network control
Communication terminal
Digital ammeter
Outdoor CCM
Indoor CCM
Digital ammeter
Communication between IN and OU
Communication between OU
Resistance connection
Indoor PCB Function
Indoor PCB Function
No. Content No. Content
1 Power input of transformer 12 Electric expansion valve drive port
2 P t t f t f 13 S i t d i t2 Power output of transformer 13 Swing motor drive ports3 Port for remote ON/OFF switch 14 Port for electric auxiliary heater
4 Air discharge temp. sensed port at the 15 Indoor evaporator outlet pipe temp. 4 g p pinverter compressor 15 p p p p
detect port
5 Water level switch 16 Indoor ambient and evaporator middle part temp detect portmiddle part temp. detect port
6 Port for network module 17 Port for indoor fan motor 7 Port for new display board 18 Reservedf p y8 Port for old display board 19 Power input port9 Communication port of X Y E 20 Port for alarm10 Communication port of P Q E 21 Port for water pump11 Port for on-line writing program ─
Indoor PCB FunctionSW1 definition
1:ON0:down position
Indoor PCB FunctionSW2 definitionSW2 definition
1:ON, 0:down position
Indoor PCB FunctionSW5 definitionSW5 definition
1:ON 0:down position1:ON, 0:down position
Indoor PCB FunctionSW6 definitionSW6 definition
1:ON 0:down position1:ON, 0:down position
Indoor PCB FunctionSW7 definitionSW7 definition
Last indoor unit need add 120ohm resistance
The master outdoor and lastThe master outdoor and last indoor unit need Keep switch on
Indoor PCB Function
Display board connection
2 Display board connection selection2 Display board connection selection
NEW DISPLAY : connect with new display board which have digital tube showinghave digital tube showing.
OLD DISPLAY : display board which have four light.
Key pointOld and New indoor matching issue
Old outdoor (V3、V4、D3、D4)New indoor unit(can match with old outdoor which produced after August.)
New indoor 、old indoor (can match with old outdoor which produced after August.)
Old indoor (matching no problem)
New outdoor(V4+) New indoor (matching no problem)N (V )
New indoor 、old indoor(matching no problem)
Old indoor (matching no problem)
1 、New indoor : new type indoor unit which designed for V4+ outdoor.2、Old indoor : current indoor units which designed for digital scroll and DC inverter system
R kRemark:1、The old indoor unit need manual address setting when V4+ match with old indoor2、When the new indoor and old indoor mixed installation in one system , the old
i d it d l it h dd tti b f d kindoor units need manual switch address setting before power on , and make sure Last one indoor unit must be new type indoor unit.
Key point
V4+ outdoor with V4 outdoor issue : They can not Mixed free y fcombination.
V4+ system central control issue : one CCM03 just can connect one Refrigerant System when CCM03 connect from outdoor sideside.
Thank You for your attention!f y