DC Inverter Smart VRF Products(R410A)

DC Inverter Smart VRF Products(R410A)

General Description What is DC Inverter Smart? Inverter Smart system is YDS system: 1. With DC inverter compressor; 2. Condensing unit and heat pump type; 3. It is the latest generation of YDS system

Content: 1.General Features 2.Outdoor Unit 3.Indoor Units 4.Controller Introduction

Part 1: General Features Product range of DC Inverter smart: 5 basic modules : 8/10 HP 12/14 /16 HP 980 1630 800 1380*1630*830 The capacity range can be from 8HP to 64HP by outdoor different modular combination: 18 64 HP

Part 1: General Features Combination rules: HP Outdoor unit combination Quantity of Indoor units HP Outdoor unit combination Quantity of Indoor units 8 8HP 1 13 38 10HP+12HP+16HP 32 10 10HP 1 16 40 10HP+14HP+16HP 40 12 12HP 1 16 42 10HP+16HP 2 40 14 14HP 1 16 44 12HP+16HP 2 40 16 16HP 1 20 46 14HP+16HP 2 45 18 10HP+8HP 20 48 16HP 3 45 20 10HP+10HP 20 50 6HP 2+10HP+8HP 50 22 10HP+12HP 20 52 16HP 2+10HP 2 50 24 10HP+14HP 20 54 16HP 2+10HP+12HP 50 26 10HP+16HP 20 56 16HP 2+10HP+14HP 50 28 12HP+16HP 20 58 16HP 3+10HP 50 30 14HP+16HP 32 60 16HP 3+12HP 64 32 16HP+16HP 32 62 16HP 3+14HP 64 34 10HP 2+14HP 32 64 16HP 4 64 36 10HP 2+16HP 32

Part 1: General Features Environmental-friendly : R410A refrigerant Full compliance with EU RHOS direction High efficiency save more

Part 1: General Features Higher EER and COP Cooling EER 4.15 4.0 3.62 3.39 3.26 3.0 2.0 1.0 0 8HP 10HP 12HP 14HP Heating COP 4.35 4.08 3.80 3.88 4.0 Average EER 3.53 3.20 16HP Average COP 3.97 3.0 2.0 1.0 0 8HP 10HP 12HP 14HP 16HP

Part 1: General Features Wide operating range: Cooling range:-15 ~52 Heating range:-20 ~27 52-15 27-20 Thanks to the low ambient kit built-in with the outdoor unit, even when the outdoor temp. is as low as -15, the system can also work in cooling mode.

Part 1: General Features Precise indoor temp. adjustment Main advantage: 1. Calculating with high speed and give the best modification for the capacity output. 2. Adjust the room temp. precisely, the temp. fluctuate in the room is as small as 0.5 Temp. fluctuate ±0.5

Part 1: General Features Flexible installation: Longer connection pipe, bigger height difference Height difference between indoor units less than 15m Height difference between indoor and outdoor units less than 70m Farthest equivalent piping length less than 175m(V3 150m) Farthest pipe length between indoor and outdoor unit can reach 175m; Height difference between indoor unit and outdoor unit can reach 70m; Height difference between indoor units can reach 70m;

Part 2: Outdoor unit Outdoor fan: The outdoor fan is inner hidden design: Main advantage: 1. decrease fan noise and increase fan efficiency; 2. Create much bigger air volume.(11500m3/h,14800m3/h)

Part 2: Outdoor unit Compressor parallel connection technology In part load mode only the inverter compressor runs; in full load mode, all the compressors run. DC Inverter compressor Fixed speed compressors Liquid pipe Oil balance pipe Gas balance pipe Gas pipe

Part 2: Outdoor unit New design of DC compressor DC Variable-Speed Tech DC Motor Brushless DC motor Stator is central winding type Permanent magnet rotor is Neodymium material. Compact Design,Weight Lighten 50% Sin wave driven EFF SPEED CURVE Eff High - perf orma nce New DC Motor Normal DC Motor 20 40 60 80 100 New DC Motor (central winding motor) owns high efficiency compare with normal DC motor. Speed(S -1 )

Part 2: Outdoor unit Compressors: Hitachi DC inverter compressor Fixed Scroll Low Noise minimum 40dB High Precision 7 high precision Manufacturing Procedure for Scroll pan Orbiting Scroll Motor Motor Shaft Long Life 30Years Life Design

Part 2: Outdoor unit Oil Separator: Outlet High efficiency oil separator The separating rate up to 99%, it makes the oil return to each compressor in time Inlet Oil separator Oil return Oil balance

Part 2: Outdoor unit Oil balance technology: Suction pipe Oil balance diagram Refrigerant flow direction Oil balance between modules,special oil balance vector control equipment ensured oil reasonable distribution between modules, and make sure the compressor operate more stable and reliable To condenser Discharge pipe Oil even pipe Oil basin Oil even pipe I Refrigerant flow direction Oil separator Oil even pipe II Oil balance(to another OU) Oil even pipe III Set oil even pipe on the compressor,it can send the oil to system together with discharge pipe when one of the compressors owned excessive oil. then the system will equal distribute oil to other compressor. Refrigerant flow direction From evaporator

Part 2: Outdoor unit Oil balance technology: Oil Return program (Auto): 1. The oil return program will start :when the system has continued operating for 4h. 2. The oil return cycle will last 3 min. 3. All the outdoor EXV open to 480p and SV6 on. 4. Action of indoor Fan and EXV: Indoor units in standby mode or fan mode: 4.1 Indoor EXV action: 300P 4.2 Indoor fan action: Low speed in cooling; anti-cold air mode in heating mode Indoor units in operating mode : Keep fan speed and EXV open degree unchanged

Part 2: Outdoor unit Low pressure accumulator Refrigerant Balance Between Modules Gas balance and average technology is applied among modules,connect low pressure accumulator by a pipe between modules and the pressure of system will help refrigerant equal distribution, guarantee safety operation. IN( From indoor unit) OUT( To compressor) From indoor unit To compressor Gas balance port between modules Gas balance port MDV4 system Low pressure accumulator Low pressure accumulator

Part 2: Outdoor unit Outdoor heat exchanger: hydrophilic fins,inner-screw copper pipe Inner-screw copper pipe 2 rows condenser (8/10/12Hp) 3 rows condenser (14/16Hp)

Part 2: Outdoor unit Four-way valve: There are two four-way valve: main four-way valve and auxiliary four-way valve Main 4-way valve is used as the traditional 4-way valve Auxiliary 4-way valve is used to adjust the heat-exchanger area of outdoor unit when in cooling mode. Main four-way valve Auxiliary fourway valve

Part 2: Outdoor unit Area adjustment of outdoor heat exchanger: In cooling mode: The system can adjust the auxiliary 4-way valve operation according to the parameter of outdoor unit. Ensure the refrigerant to distribute equally to the compressor. From compressor Simple structure and high reliability design can reduce pressure loss increase of efficiency,and ensure the system operation safety. specially for partial load run. Auxiliary 4- way valve Condenser SV3 In heating mode: The system can adjust the EXV operation according to the parameter of outdoor unit. Ensure the refrigerant to distribute equally to the compressor. Go indoor units MDV4 system Capillary

Part 2: Outdoor unit Double outdoor EXV + SV6: Precise adjustment of refrigerant flux In cooling mode SV6 One-way valve SV1 EXV To indoor unit One-way valve EXV High pressure accumulator Dual EXV 960 steps adjustment

Part 2: Outdoor unit Electric control: Each outdoor unit adopts the same electric control design. Main advantage: 1. Easy for maintenance and repair; 2. Any outdoor unit can be used as the main unit. 8/10 HP 12/14 /16 HP The same design

Part 2: Outdoor unit Electric control: LED display and Check button Forced cooling button It has great help when install or maintain the system.

Part 3 Indoor Units Indoor units are universal for DC Inverter Mini and Inverter Smart

Part 3: Indoor Units Four-way cassette 1. Capacity: 2.8 11.2kW 2. EXV beside the unit 3. New design body, variable color for panel 4. LED display Colorful Optional Panel (White Grey Black Blue)

Part 3: Indoor Units Four-way cassette 5. Fresh air function 6. Drainage pump inside 7. Reserve spaces for air side-outlet You can connect a duct pipe to nearby small room.

Part 3: Indoor Units Four-way Cassette compact 2.8~4.5kW Inner water pump which pumping head is 750mm upmost.

Part 3: Indoor Units Duct type (Middle static pressure A5 series) EXV is fixed inside of the indoor unit 2.2~14.0kW Build-in Drain Water pump Air Air inlet from back standard and from bottom optional intake from back

Part 3: Indoor Units Ceiling & Floor 3.6~14kW Horizontally and vertically swing function Reliable water proof protection Quick cooling Convenient installation and maintenance

Part 3: Indoor Units Wall-mounted Built in EXV Reserved the control port of water pump 2.2~5.6kW

Part 3: Indoor Units 10HP High Static Pressure Duct 7.1-28kW Multi-blowing outlets to satisfy your fitment s needs. Fresh air supply Wired control and group control available High capacity of cooling/heating,efficient,and energysaving

Part 4: Indoor Units A full series of controller give you the most suitable solution according to the different requirement from different customer, including: wireless remote controller, wire controller, weekly timer, central controller, central monitor (for outdoor unit), network control system.

Wireless remote Controller R92 Feature: Standard for ceiling & floor indoor unit Function: Mode selection: Auto, Cool, Dry, Heat, Fan only Temp. setting range: 17 to 30 Daily Timer setting Louver swing( vertical and horizontal) Fan speed control: H/M/L/Auto

Wire Controller KJR-01 Feature: Optional for all the indoor units Function: Mode selection: Auto, Cool, Dry, Heat, Fan only Temp. setting range: 17 to 30 Daily Timer setting Fan speed control: H/M/L/Auto Louver swing

Wire Controller KJR-10 Feature: Optional for all the indoor units Function: Mode selection: Auto, Cool, Dry, Heat, Fan only Temp. setting range: 17 to 30 Daily Timer setting Fan speed control: H/M/L/Auto Louver swing

Wire Controller KJR-12 Feature: Optional for all the indoor units Follow me function Function: Mode selection: Auto, Cool, Dry, Heat, Fan only Temp. setting range: 17 to 30 Daily Timer setting Fan speed control: H/M/L/Auto Louver swing Follow me function: ON/OFF Note: indoor unit must be customized to comply with Kjr-12

Weekly Timer CCM04 Feature: Optional for all the indoor units 8 periods per day schedule setting Totally 56 periods / week Function: Basic control function as wire controller; Error code display; Weekly timer function ON/OFF; Schedule query

Central controller CCM01 Feature: Central control indoor unit RS485 communication protocol Up to 64 indoor units can be controlled Function: Basic control function as wire controller; Error code display; Lock indoor unit; Operation status query; Communicate with PC to realize software control.

Central controller CCM03 Feature: Easy operation Function: Basic control function as CCM01; Indoor unit operation mode lock. Quick selection in the controller by direct button

Central controller CCM09 Feature: Central controller with weekly timer function; Function: Basic control function as CCM01; Weekly timer function; Can not use with network software; Indoor unit operation mode lock.

Central Monitor CCM02 It can display the operating parameter of outdoor : It can display the error or protection code of outdoor unit; One CCM02 can monitor 32 outdoor units in 8 combination. Make the examination and repair be a easy job since now

Network control system Indoor central controller Control system diagram Indoor units Net control part UPS power Network control software Indoor unit Wire controller Soft dog R485-R232 interface Lonworks remote Outdoor unit BMS gateway BMS Outdoor central controller KMH meter Outdoor units

If you want to realize network control function for the A/C system, you can select : Midea 3rd generation of Network control software (Necessary); CCM01 or CCM03 (Necessary); Optional function: CCM02(necessary if select central monitor function or electricity charge calculation for outdoor unit ); Electricity meter (necessary if select electricity charge calculation for outdoor unit )

If you want to connect A/C system to BMS system (Lonworks), you can select: Midea 3rd generation of Network control software (Necessary); CCM01 or CCM03 (Necessary); CCM02(necessary if select central monitor function or electricity charge calculation for outdoor unit ); Electricity meter (necessary if select electricity charge calculation for outdoor unit ) CCM07 is used together with the above accessories to realize BMS connection. CCM07 (Necessary)

If you want to connect A/C system to BMS system (BACnet), you can select: Midea 3rd generation of Network control software (Necessary); CCM01 or CCM03 (Necessary); CCM02(Necessary if select central monitor function for outdoor unit ) CCM08 is used together with the above accessories to realize BMS connection. CCM08 (Necessary)

Any questions? Thank You! For more details, you can find in our service manual; Any problems please feel free to contact our engineers.