Table of Contents
Advertisement
Quick Links
Change for life
Thank you for choosing Commercial Air Conditioners ,please read this
owner's manual carefully before operation and retain it for future reference.
D.C. Inverter
Multi-variable Modular
Owner's Manual
Commercial Air Conditioners
GMV(L)-Pdm224W/NaB-M
GMV(L)-Pdm280W/NaB-M
GMV(L)-Pdm335W/NaB-M
GMV(L)-Pdm400W/NaB-M
GMV(L)-Pdm450W/NaB-M
GMV(L)-Pdm504W2/NaB-M
GMV(L)-Pdm1800W4/NaB-M
Advertisement
Table of Contents
Related Manuals for Gree GMV-Pdm224W/NaB
Summary of Contents for Gree GMV-Pdm224W/NaB
- Page 1 Change for life D.C. Inverter Multi-variable Modular Owner's Manual Commercial Air Conditioners GMV(L)-Pdm224W/NaB-M GMV(L)-Pdm280W/NaB-M GMV(L)-Pdm335W/NaB-M GMV(L)-Pdm400W/NaB-M GMV(L)-Pdm450W/NaB-M GMV(L)-Pdm504W2/NaB-M GMV(L)-Pdm1800W4/NaB-M Thank you for choosing Commercial Air Conditioners ,please read this owner’s manual carefully before operation and retain it for future reference.
- Page 2 User Notice During use, the total capacity of indoor units in simultaneous service shall not exceed the capacity of the outdoor unit; otherwise, the cooling (or heating) output of each indoor unit will be low. Install a circuit breaker (or fuse) to each indoor unit according to capacity of the unit and a master circuit breaker to all indoor units.
- Page 3 Improper installation of pipes might cause leakage and wet the articles in the room. Do not use or store flammable, explosive, poisonous or other dangerous substances beside the air conditioner. In case of trouble (e.g. burnt smell), please immediately cut off the main power of air conditioner unit.
-
Page 4: Table Of Contents
Contents 1. Selection of Installation Location and Precautions ............1 1.1 Selection of Installation Location for Air Conditioner Unit ........1 1.2 Cable Layout ......................2 1.3 Grounding Requirement ..................6 1.4 Noise Control ......................7 2. Installation of Outdoor Unit ................... 8 2.1 Precautions on Installation of Outdoor Unit ............ - Page 5 7.3 Inspection Items after Installation ................ 38 7.4 Test Run ....................... 38 8. Operating Principle of Air-Conditioning Unit ............... 39 8.1 Piping diagram of GMV-Pdm224W/NaB-M,GMV-Pdm280W/NaB-M ....39 8.2 Piping diagram of GMV-Pdm335W/NaB-M,GMV-Pdm400W/NaB-M,GMV- Pdm450W/NaB-M ...................... 40 8.3 Combination Sketch ..................... 42 9.
-
Page 6: Selection Of Installation Location And Precautions
D.C. Inverter Multi-variable Modular 1. Selection of Installation Location and Precautions 1.1 Selection of Installation Location for Air Conditioner Unit Caution! The installation of air conditioner unit must be in accordance with national and local safety codes. Installation quality will directly affect the normal use of air conditioner unit. The user is prohibited from installation by himself. -
Page 7: Cable Layout
D.C. Inverter Multi-variable Modular Caution! Installation at following positions might cause trouble to the air conditioner unit. If unavoidable, please contact Gree Authorized Service Center. A place full of machine oil; A region with saline-sodic soil near the sea; A place with sulphide gases (such as sulphur spring);... - Page 8 D.C. Inverter Multi-variable Modular...
- Page 9 D.C. Inverter Multi-variable Modular...
- Page 10 D.C. Inverter Multi-variable Modular 1.2.2 Power cord Connect Power Supply Cabinet Unit A Unit B Unit C 1.2.3 Power supply specification of indoor unit Tabel A: It is the capacity of breaker of general power supply of all indoor units in the same system.
-
Page 11: Grounding Requirement
D.C. Inverter Multi-variable Modular Cpacity of single breaker for each indoor unit and specifiction of power cord.Pay attention to that breaker of indoor unit, which is usually closed, is used for protection of short circuit and abnormal overload.The terminal of each breaker should connect with a general power switch for cutting off power supply of all indoor units. -
Page 12: Noise Control
D.C. Inverter Multi-variable Modular The user power supply shall have reliable grounding terminal. It is prohibited to connect the grounding wire to the following items: Water Supply Pipe; Gas Pipe; Sewage Pipe; Other positions that are considered to be unreliable by professionals. 1.4 Noise Control Install the air conditioner unit at a well-ventilated place;... -
Page 13: Installation Of Outdoor Unit
D.C. Inverter Multi-variable Modular 2. Installation of Outdoor Unit Note: Pictures for reference only, please refer to actual product. Unit: mm 2.1 Precautions on Installation of Outdoor Unit To ensure the unit in proper function, selection of installation location must be in accordance with following principles: Outdoor unit shall be installed so that the air discharged by outdoor unit will not return and that sufficient space for repair shall be provided around the machine. -
Page 14: Outline Dimension Of Outdoor Unit
D.C. Inverter Multi-variable Modular 2.2 Outline Dimension of Outdoor Unit Outline dimension and Installation holes of GMV-Pdm224W/NaB-M, GMV-Pdm280W/NaB-M Outline dimension and Installation holes of GMV(L)-Pdm335W/NaB-M, GMV(L)-Pdm400W/ NaB-M, GMV(L)-Pdm450W/NaB-M 1340 1203... -
Page 15: Space Dimension For Installation Of The Unit Is Shown Below
D.C. Inverter Multi-variable Modular 2.3 Space dimension for installation of the unit is shown below. 2.3.1 Outdoor Unit Installation Space Dimension a. 224~450 Outdoor Unit Installation Space Dimension b. 504~900 Outdoor Unit Installation Space Dimension ＞200 Air Outlet Air Outlet ＞1000 ＞1000 ＞1000... - Page 16 D.C. Inverter Multi-variable Modular d. 1405~1800 Outdoor Unit Installation Space Dimension ＞200 ＞200 ＞200 Air Outlet ＞1000 ＞1000 ＞200 ＞200 ＞200 Electrical Box Outlet on this side. If the unit is surrounded by walls, the above basic requirements for installation should be met. For the state that front side and right/left side of the outdoor unit is open: No limitation to the height of the wall Keep crown wall (air damper and suchlike barrier), if there is, 3000mm above from the top of...
- Page 17 D.C. Inverter Multi-variable Modular 2.3.2 Installation space for multiple outdoor units Keep top of units open, without air damper suchlike for smooth ventilation. For the state that front side and right/left side of the outdoor units are open: Install the unit at the same directions: No limitation to the height of the wall Back...
- Page 18 D.C. Inverter Multi-variable Modular For the state that the units are surrounded by walls: It is recommended to install the units at the same directions. No limitation to the height of the wall Back Front Back Front Max. 4 sets side by side 2.3.3 In consideration of seasonal wind during installation of outdoor units Correct Correct...
-
Page 19: Electrical Cable Connection
D.C. Inverter Multi-variable Modular 2.3.4 In consideration of snow during installation of outdoor units It is required to equip protectors on air outlet and air inlet and a higher foundation base to prevent snow from covering air inlet and outlet. Correct Incorrect Protector of air inlet... -
Page 20: Connection Of Modular Outdoor Units
D.C. Inverter Multi-variable Modular 3. Connection of Modular Outdoor Units Parallel connection of Modular Outdoor Units, the following 3 types of connecting procedure should be followed: Parallel connection at gas side among modular units. Parallel connection at liquid side among modular units. Parallel connection of oil equalizing among modular units. -
Page 21: Oil Equalizing Connection Among Modular Outdor Units
D.C. Inverter Multi-variable Modular If outdoor units are double or more modules by parallel connetion, piping dimensions between module connecting sub-assies ML01/A should be selected with the table below,Dimension of piping between module connecting sub-assies is decided by total capacity of upstream modules. Total capacity code of outdoor Gas pipe(mm/Inch) Liquid pipe(mm/Inch) -
Page 22: Connection Of Modular Outdoor Units
D.C. Inverter Multi-variable Modular 4. Connection of Modular Outdoor Units 4.1 Diverging mode of connection pipe between indoor and outdoor There are several diverging modes of connection pipe between indoor and outdoor units as following 4.1.1 Y tpe diverging mode Outdoor unit Y-Type Refnet pipe Indoor unit... -
Page 23: Allowable Length And Drop Height Of Connecting Pipe
D.C. Inverter Multi-variable Modular 4.3 Allowable Length and Drop Height of Connecting Pipe Outdoor unit The 1st branch section Indoor unit Equivalent length of farthest pipe: L The equivalent length of the farthest pipe from the 1st branch: L Indoor unit The equivalent length is 0.5m for each Y-type branch pipe. -
Page 24: Dimension Of Connecting Pipe
D.C. Inverter Multi-variable Modular 4.4 Dimension of Connecting Pipe 4.4.1 The refrigerant pipe size from the outdoor unit to the first branch is decided by the capacity code of the outdoor unit. Note: W hen the distance between the outdoor unit to the farthest indoor unit exceeds 90m, then ①... -
Page 25: Connection Of Outlet Pipe For Indoor & Outdoor Unit
D.C. Inverter Multi-variable Modular 4.5 Connection of Outlet Pipe for Indoor & Outdoor Unit See below for the torque required to tighten the nuts. Align the expansion end of copper pipe with the center of threaded joint. Tighten the flaring nuts with Fitting Pipe for Flaring Nuts Fitting Pipe... -
Page 26: Installation Of Protective Layer On Connection Pipe
D.C. Inverter Multi-variable Modular Y-type refnet pipe must be installed so that the branch is in vertical or horizontal direction. Heat preservation to refnet pipe. For side of gas pipe, adopt the heat preservation materials that can stand temperature at 120 or higher, but don’t adopt the foam with refnet pipe. -
Page 27: Communication Connection Of Indoor And Outdoor Units
D.C. Inverter Multi-variable Modular 4) Wrap the pipe with tapes. Use the adhesive tape to wrap the connecting pipe and cable into one bundle. To prevent condensate water from overflowing out of the drainpipe, the drainpipe shall be separated from connecting pipe and cable. - Page 28 D.C. Inverter Multi-variable Modular...
-
Page 29: Communication Connection Among Indoor Units
D.C. Inverter Multi-variable Modular Notes: T he distribution line refers to the communication line installed for the last indoor unit ① . (resistance compatibility). C ommunication lines among outdoor/indoor units are connected in series. ② . Please connect communication lines of indoor unit and outdoor unit as shown above. Each module outdoor unit can connect up to 16 sets of indoor unit, when the quantity of indoor units 16, can connect all indoor units to the same outdoor unit module, but also allow some of... -
Page 30: Instructions To Dip Switch At Outdoor Side
D.C. Inverter Multi-variable Modular controller. The address of the wire controller must be identical with the address of the corresponding indoor unit. Address Setting of Indoor Unit and Wire Controller Are Shown in the Following Table: Bits 1~4 for Address Setting Corresponding Pins of the 8-Bit (4-Bit) DIP Switch Allocated Address Allocated Address... - Page 31 D.C. Inverter Multi-variable Modular DIP Switch SW2 Quantity of modules Note: The position “ON” means “0”. The 2-bit DIP switch on mainboard SW3 (Address) is for addresses codes of modules. There may be 4 modules at most can be set with codes. Refer to the following table Instruction to Adrress Code of Module.Furthermore, address code of one and only one of the modules must be set to ON positions (i.e.00).
- Page 32 D.C. Inverter Multi-variable Modular The DIP switch position on Outdoor mainboard RIGHT LEFT...
- Page 33 D.C. Inverter Multi-variable Modular The DIP switch position on transit mainboard RIGHT LEFT...
-
Page 34: Instruction To Connection Line And Definition Of Port
D.C. Inverter Multi-variable Modular 6. Instruction to Connection Line and Definition of Port 6.1 Eletric Wiring Design See the figure below for more details about the units GMV(L)-Pdm224W/NaB-M,GMV(L)- Pdm280W/NaB-M,GMV(L)-Pdm335W/NaB-M,GMV(L)-Pdm400W/NaB-M,GMV(L)-Pdm450W/ NaB-M, and see Section 1.2.1 for more details about other units. Power supply Power supply Power supply... -
Page 35: Definition Of Mainboard(Ap1)Port Of Outdoor Unit
D.C. Inverter Multi-variable Modular 6.2 Definition of Mainboard(AP1)Port of Outdoor Unit... - Page 36 D.C. Inverter Multi-variable Modular 4-Communication ports 2-Electronic expansion 1-transformer input 3-Transformer output for fan and Inverter valve compressor 7- Communication port 8-LED indicator for 5-Not Used 6-Not Used of pinboard and other module state modules 9-Low-pressure sensor 10-High-pressure sensor 11-Not Used 12-Not Used 13-Exhasut temp sensor 14-Exhasut temp sensor 15-Exhasut temp sensor 16-Not Used 17-compressor temp...
-
Page 37: Definition Of Drive Board Port Of Compressor
D.C. Inverter Multi-variable Modular 6.3 Definition of Drive Board Port of Compressor 3- LED indicator for 1-Not Used 2- to rectifier + X44 4-Not Used module state 5- reactor 2 6- reactor 1 7- to rectifier - X55 8- Power in L3 9- to rectifier ~ X11 10- Power in L2 11- to rectifier ~ X22... -
Page 38: Filter Plate
D.C. Inverter Multi-variable Modular 6.4 Filter plate 1-GND 2-Power in N 3- Power in L3 4- Power in L2 5- Power in L1 6- Power out L1 7- Power out L2 8- Power out L3 9- Power out N... -
Page 39: Definition Of Drive Board Port Of D.c. Inverter Fan
D.C. Inverter Multi-variable Modular 6.5 Definition of Drive Board Port of D.C. Inverter Fan 1- Communication port 2- Communication port 3- Communication port 4- DC fan feedback with mainboard with mainboard with mainboard 5-LED indicator for 7- U/V/W-phase port of 8- Connecting live and 6- Adress code port module state... -
Page 40: Definition Of Drive Board Port Of A.c. Inverter Fan
D.C. Inverter Multi-variable Modular 6.6 Definition of Drive Board Port of A.C. Inverter Fan 2- Communication 3- Communication 4- LED indicator for 5- U-phase port of 1- Adress code port port with mainboard port with mainboard module state 6- V-phase port of 7- W-phase port of 8-Fan overheat 9- Connecting... -
Page 41: Filling Of Refrigerant And Trial Run
D.C. Inverter Multi-variable Modular 7. Filling of Refrigerant and Trial Run 7.1 Filling of Refrigerant 1) Before shipped out from manufacturer, the outdoor unit has been filled with refrigerant. Additional refrigerant may be filled when carrying out site connection of pipelines. 2) Check the liquid valve and the gas valve of the outdoor unit. -
Page 42: Calculating Mass Of Additional Refrigerant
D.C. Inverter Multi-variable Modular 4) After confirming that there is no leakage from the system, when the compressor is not in operation charge additional R410A working fluid with specified amount to the unit through the filling opening of the liquid pipe valve of the outdoor unit.If required additional refrigerant can not be quickly filled for increase of pressure in the pipe, set the unit at cooling startup and then fill the refrigerant from gas valve of outdoor unit.If ambient temp is low,the unit cann’t be set to cooling mode but heating mode.In this case, fill the refrigerant from low-pressure air suction side of system. -
Page 43: Inspection Items After Installation
D.C. Inverter Multi-variable Modular 7.2.2 Method of Calculating Mass of Additional Refrigerant to Be Filled (Based on the Liquid Pipe). Mass of Additional Refrigerant to Be Filled =∑ Length of Liquid Pipe × Amount of Additional Refrigerant to Be Filled Per Meter of Liquid Pipe Amount of Additional Refrigerant to Be Filled Per Meter of Liquid Pipe(kg/m) Φ22.2 Φ19.05... -
Page 44: Operating Principle Of Air-Conditioning Unit
D.C. Inverter Multi-variable Modular 8. Operating Principle of Air-Conditioning Unit 8.1 Piping diagram of GMV-Pdm224W/NaB-M,GMV-Pdm280W/NaB-M （11） （10） （12） （13） （21） （15） （9） （19） （14） （18） （16） （8） （20） （7） （17） （24） （6） （5） （3） （4） （23） （2） （1） （27） （22）... -
Page 45: Piping Diagram Of Gmv-Pdm335W/Nab-M,Gmv-Pdm400W/Nab-M,Gmv- Pdm450W/Nab-M
D.C. Inverter Multi-variable Modular 8.2 Piping diagram of GMV-Pdm335W/NaB-M,GMV-Pdm400W/NaB-M,GMV- Pdm450W/NaB-M （11） （10） （12） （13） （21） （15） （9） （19） （14） （18） （16） （8） （20） （7） （24） （6） （6） （5） （17） （4） （4） （3） （23） （2） （2） （1） （27） （22） （28） （26） （25）... - Page 46 D.C. Inverter Multi-variable Modular Name Major Function According to the actual need, the inverter compressor can Inverter compressor(INV) adjust its revolution among 30rps~90rps. When the inverter compressor fails to meet the needs Standard compressor(STD1/ of the system, the fixed-frequency compressor will start STD2) together.
-
Page 47: Combination Sketch
D.C. Inverter Multi-variable Modular It is used to protect the system running under low pressure Solenoid valve (hot gas) or the compressor starting with pressure difference. It is used to prevent the compressor running at high Solenoid valve (liquid bypass) temperature. -
Page 48: Maintenance Measures
D.C. Inverter Multi-variable Modular 9. Maintenance Measures Warning! Do stop the unit and turn off main power of the unit when cleaning the unit to avoid electric shock . Don’t make the unit wet to avoid electric shock.. Never clean the unit with water. Caution! Volatility liquid such as thinner or gasoline will damage appearance of unit, so only use soft dry cloth and wet cloth with neutral detergent to clean shell of the unit. -
Page 49: Troubleshooting
D.C. Inverter Multi-variable Modular 9.3 Troubleshooting Adapter Drive board for Drive board Main control display for outdoor unit display compressor for Fan LED1(red) Errors Times of Digital LED1 LED2 LED3 LED1 LED2 LED3 LED4 LED5 LED6 continuous Tube (red) (yellow) (green) flash frequently... - Page 50 D.C. Inverter Multi-variable Modular Adapter Drive board for Drive board Main control display for outdoor unit display compressor for Fan LED1(red) Errors Times of Digital LED1 LED2 LED3 LED1 LED2 LED3 LED4 LED5 LED6 continuous Tube (red) (yellow) (green) flash frequently desynchronizing of ●...
- Page 51 D.C. Inverter Multi-variable Modular Adapter Drive board for Drive board Main control display for outdoor unit display compressor for Fan LED1(red) Errors Times of Digital LED1 LED2 LED3 LED1 LED2 LED3 LED4 LED5 LED6 continuous Tube (red) (yellow) (green) flash frequently Both oil (normal ○...
- Page 52 D.C. Inverter Multi-variable Modular immediately, and then contact with our service center. If the unit is still running in despite of malfunction, it may be damaged and cause electric shock or fire. D on’t repair the unit yourself by reason that incorrect repair will cause electric shock or fire. ②...
-
Page 53: Aftersales Service
9.4 Aftersales Service In case the air-conditioning unit has any quality problem or you have any inquiry, please contact the local aftersales service agency designated by Gree. 9.5 Rated working condition Indoor side state Outdoor side state Dry bulb temp. - Page 54 GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI Add: West Jinji Rd, Qianshan, Zhuhai, Guangdong, China, 519070 66174125 Tel: (+86-756) 8522218 Fax: (+86-756) 8669426 E-mail: gree@gree.com.cn www.gree.com...
Need help?
Do you have a question about the GMV-Pdm224W/NaB and is the answer not in the manual?
Questions and answers
what is power consumption per hp vrv unit GREE
The power consumption per horsepower for the Gree GMV-Pdm224W/NaB VRV unit is 0.6 kW/HP.
This answer is automatically generated
@Mr. Anderson thank you , is it too low, since present model mitsubishi giving us 0.75kw/hp , our Gree unit is 10 years old unit,