GPdm系列(R410A)多联机组工程设计及安装

INSTALLATION MANUALR410A Split SeriesModels2MXS40BVMB 2MKS40BVMB 2AMXS40BVMB 2AMKS40BVMBEnglishDeutschFrançaisNederlandsEspañolItalianoΕλληνικÜPortuguesRussianInstallation manual R410A Split series Installationsanleitung Split-Baureihe R410A Manuel d’installation Série split R410A Montagehandleiding R410A Split-systeem Manual de instalaciónSerie Split R410A Manuale d’installazione Serie Multiambienti R410A Εγχειρßδιο εγκατÜστασηòδιαιροýìενηò σειρÜò R410AManual de Instalação Série split R410AРóêоводство по монтажóСерия R410A с раздельной óстановêойSafety Precautions•Read these Safety Precautions carefully to ensure correct installation.•This manual classifies the precautions into WARNINGS and CAUTIONS.Be sure to follow all the precautions below: they are all important for ensuring safety.WARNINGS............Failure to follow any of WARNING is likely to result in such grave consequences as death or serious injury.CAUTIONS............Failure to follow any of CAUTION may in some cases result in grave consequences.•The following safety symbols are used throughout this manual:•After completing installation, test the unit to check for installation errors. Give the user adequate instructions concerning the use and cleaning of the unit according to the Operation Manual.AccessoriesAccessories supplied with the outdoor unit:Outside DrawingsPrecautions for Selecting the Location1)Choose a place solid enough to bear the weight and vibration of the unit, where the operation noise will not be amplified.2)Choose a location where the hot air discharged from the unit or the operation noise, will not cause a nuisance to theneighbors of the user.3)Avoid places near a bedroom and the like, so that the operation noise will cause no trouble.4)There must be sufficient spaces for carrying the unit into and out of the site.5)There must be sufficient space for air passage and no obstructions around the air inlet and the air outlet.6)The site must be free from the possibility of flammable gas leakage in a nearby place. Locate the unit so that the noiseand the discharged hot air will not annoy the neighbors.7)Install units, power cords and inter-unit cables at least 3 meter away from television and radio sets. This is to preventinterference to images and sounds. (Noises may be heard even if they are more than 3 meter away depending on radiowave conditions.)8)In coastal areas or other places with salty atmosphere of sulfate gas, corrosion may shorten the life of the air condi-tioner.9)Since drain flows out of the outdoor unit, do not place under the unit anything which must be kept away from moisture.Note:Phased installation is not possible.CautionWhen operating the air conditioner in a low outdoor ambient temper-ature, be sure to follow the instructions described below.tion side facing the wall.2)Never install the outdoor unit at a site where the suction side maybe exposed directly to wind.3)T o prevent exposure to wind, it is recommended to install a baffleplate on the air discharge side of the outdoor unit.4)In heavy snowfall areas, select an installation site where the snowwill not affect the unit.Indoor/outdoor Unit Installation DrawingsFor installation of the indoor units, refer to the installation manual which was provided with the units.(The diagram shows a wall-mounted indoor unit.)Caution1)Do not connect the embedded connect piping and the outdoor unit when only carrying out piping work without connecting the indoor unit in order to add another indoor unit later.Make sure no dirt or moisture gets into either side of the embedded connect piping.See “6. Refrigerant Piping Work” on page 8 for details.2)[2MXS40, 2AMXS40 only] Do not connect to one indoor unit. Always connect to two indoor units. [2MKS40, 2AMKS40 only] Can be connected to one indoor unit.•Install the unit horizontally.•The unit may be installed directly on a concrete verandah or a solid place if drainage is good.•If the vibration may possibly be transmitted to the building, use a vibration-proof rubber (field supply).Clamping materialInsulation tubeService lidTapeUse tape or insulating material on all connections to prevent air from getting in between the copper piping and the insulation tube.Be sure to do this if the outdoor unit is installedOutdoor Unit Installation Guideline•Where a wall or other obstacle is in the path of outdoor unit intake or exhaust airflow, follow the installation guidelines below.•For any of the below installation patterns, the wall height on the exhaust side should be 1200 mm or less.Selecting a location for installation of the indoor units•The maximum allowable length of refrigerant piping, and the maximum allowable height difference between the outdoor and indoor units, are listed below.Outdoor unit2MXS40, 2MKS402AMXS40, 2AMKS40Piping to each indoor unit1.5m min. 20m max.Total length of piping between all units30m max.If the outdoor unit is positioned higher than the indoor units.If the outdoor unit is positioned otherwise.(If lower than one or more indoor units)1.Installing Outdoor Unit1)When installing the outdoor unit, refer to “Precautions for Selecting the Location” and the “Indoor/outdoor Unit Installation Drawings.”2)If drain work is necessary, follow the procedures below.2.Drain Work1)Use drain plug for drainage.2)If the drain port is covered by a mounting base or floor surface, place additional foot bases of at least 30 mm in height under the outdoor unitís feet.3)In cold areas, do not use a drain hose with the outdoor unit.(Otherwise, drain water may freeze, impairing heating performance.)3.Refrigerant Piping1)Align the centres of both flares and tighten the flare nuts 3 or 4 turns by hand. Then tighten them fully with the torque wrenches.•Use torque wrenches when tightening the flare nuts to prevent damage to the flare nuts and escaping gas.2)T o prevent gas leakage, apply refrigeration machine oil on both inner and outer surfaces of the flare. (Use refrigeration oil for R410A)4.Purging Air and Checking Gas LeakageWarning1)Do not mix any substance other than the specified refrigerant (R410A) into the refrigeration cycle.2)Refrigerant gas leaks during air purging, ventilate the room as soon as possible.3)T o prevent air pollution, a vacuum pump should be used for air purging wherever possible.4)Be sure to check for gas leaks.•Be sure to perform an air purge for all the rooms at the same time.•Be sure to use the special tools for the R410A. (gauge manifold, charge hose, vacuum pump, vacuum pump adapter, etc.)•Use a hexagonal wrench (4 mm) to operate the shut-off valve rod.•All refrigerant pipe joints should be tightened with a torque wrench at the specified tightening torque.1)Connect the charge hose protrusions (the side for pushing the pin) for low pressure and high pressure on the gauge manifoldto the gas shut-off valve service port for rooms A and B. (Air purge carried out simultaneously at the pipes for rooms A and B.)2)Fully open gauge manifold’s low-pressure valve (Lo) and high-pressure valve (Hi).3)Apply vacuum pumping for 20 minutes or longer. Check that the compound pressure gauge reads –0.1 MPa (–76cm Hg).4)After checking the vacuum, close the low pressure and high pressure valves on the gauge manifold and stop the vacuumpump. (Leave as is for 4-5 minutes and make sure the coupling meter needle does not go back. ) If it does go back, this may indicate the presence of moisture or leaking from connecting parts.After inspecting all the connection and loosening then retightening the nuts, repeat steps 2 – 4.5)Remove the valve caps on the liquid and gas shut-off valves at the pipes for rooms A and B.7)Remove the charge hose from the gas shut-off valve service ports at the pipes for rooms A and B and completely open the liq-uid and gas shut-off valves at the pipes for rooms A and B.(Stop the valve rods as far as they go and do not attempt to turn them any further.)8)Use a torque wrench to tighten the valve caps and service port caps on the liquid and gas shut-off valves at the pipes forrooms A and B to the designated torque.5.Charging with Refrigerant•If the total length of piping for all rooms exceeds 20m, additionally charge with (R410A) 20 g of refrigerant for each addi-tional meter of piping.When extra refrigerant is added, write down the total length of the piping and the amount added on the nameplate for recording how much refrigerant has been added on the back of the service lid on the outdoor unit.Caution1)Even though the shut-off valve is fully closed, the refrigerant may slowly leak out; do not leave the flare nut removed for a long period of time.When using commercial copper pipes and fittings, observe the following:1)Insulation material: Polyethylene foamHeat transfer rate: 0.041 to 0.052kW/mK (0.035 to 0.045 kcal/mh°C)Refrigerant gas pipe’s surface temperature reaches 110°C max.Choose heat insulation materials that will withstand this temperature.2)Be sure to insulate both the gas and liquid piping and to provide insulation dimen-sions as below.3)Use separate thermal insulation pipes for gas and liquid refrigerant pipes.2)Prevent mineral oil from getting into the system as this would reduce the lifetime of the units.3)Never use piping which has been used for previous installations. 4)Only use parts which are delivered with the unit.5)Do never install a drier to this R410A unit in order to guarantee its lifetime. The drying material may dissolve and damage the system.6)Incomplete flaring may cause refrigerant gas leakage.Gas pipeGas pipe insulationO.D.: 9.5mm / Thickness:0.8mm I.D.: 12 – 15mm / Thickness:13mm min.Liquid pipeLiquid pipe insulationO.D.: 6.4mm / Thickness:0.8mmI.D.: 8 – 10mm / Thickness:10mm min.WiringC5~C8, SHC1:CAP ACITORR1T :OUTDOOR THERMISTER Y1R : REVERSING SOLENOIDE VAL VE COIL CT1:CURRENT TRANSFORMER R2T :CONDENSER THERMISTER Z1C : FERRITE COREDB1, DB3:DIODE BRIDGER3T :DISCHARGE PIPE THERMISTERFU1~FU3:FUSELIQUID PIPE S10~S12, S20, S21, S30,L :LIVE R5T :THERMISTER ROOM-A S40, S45, S70, S80, S90~S92, L1:COIL R6T:THERMISTER ROOM-BHL1, HL2, HN1, HN2, HR3, HR4,L1R :REACTOR GAS PIPE AC1, AC2, HC3, HC4, E, X30A :CONNECTOR M1C :COMPRESSOR MOTOR R7T :THERMISTER ROOM-A BLK : BLACK M1F :FAN MOTOR R8T :THERMISTER ROOM-B BLU : BLUE MRCW, MRM10, SA1:SURGE ARRESTER BRN : BROWN MRM20:MAGNETIC RELAY TFU :THERMAL FUSEGRY : GREY N :NEUTRAL TRM1:TRANSISTOR MODULE ORG : ORANGE OIS3:TRIAC V1, V2, V3:VARISTORRED : RED PCB1, PCB2:PRINTED CIRCUIT BOARD X1M, X2M :TERMINAL STRIPWHT : WHITE Q1L:OVERLOAD PROTECTORY1E :ELECTRONIC EXP ANSION VALVE COIL ROOM- AYLW : YELLOWY2E:ELECTRONIC EXP ANSION VALVE COIL ROOM-BWarningDo not use tapped wires, stand wires, extensioncords, or starbust connections, as they may cause overheating, electrical shock, or fire.•Do not turn ON the safety breaker until all work is completed.1)Strip the insulation from the wire (20 mm).2)Connect the connection wires between theindoor and outdoor units so that the terminal numbers match . Tighten the terminal screws securely.We recommend a flathead screwdriver be used to tighten the screws.The screws are packed with the terminal board.3)Pull the wire and make sure that it does not disconnect. Then fix the wire in place with a wire stop.Test Run and Final Check•Before starting the test run, measure the voltage at the primary side of the safety breaker. Check that it is 230 V .•Check that all liquid and gas shut-off valves are fully open.•Check that piping and wiring all match.1.Test Run and Final Check1)T o test cooling, set for the lowest temperature. To test heating, set for the highest temperature. (Depending on the room temperature, only heating or cooling (but not both) may be possible.)2)After the unit is stopped, it will not start again (heating or cooling) for approximately 3 minutes.3)During the test run, first check the operation of each unit individually. Then also check the simultaneous operation of all indoor units.Check both heating and cooling operation.4)After running the unit for approximately 20 minutes, measure the temperatures at the indoor unit inlet and outlet. If the measurements are above the values shown in the table below, then they are normal.(When running in one room)5)During cooling operation, frost may form on the gas shut-off valve or other parts. This is normal.6)Operate the indoor units in accordance with the included operation manual. Check that they operate normally.2.Items to checkI ATTENTION1)Have the customer actually operate the unit while looking at the manual included with the indoor unit. Instruct the customer how to operate the unit correctly (particularly cleaning of the air filters, operation procedures, and temperature adjustment).2)Even when the air conditioner is not operating, it consumes some electric power. If the customer is not going to use the unit soon after it is installed, turn OFF the breaker to avoid wasting electricity.3)If additional refrigerant has been charged because of long piping, list the amount added on the nameplate on the reverse side of the shut-off valve cover.CoolingHeating Temperature difference between inlet and outletApprox. 8 °CApprox. 15 °CCheck itemConsequences of troubleCheckAre the indoor units installed securely?Falling, vibration, noise Has an inspection been made to check for gas leakage?No cooling, no heating Has complete thermal insulation been done (gas pipes, liquid pipes, indoor portions of the drain hose extension)?Water leakage Is the drainage secure?Water leakageAre the ground wire connections secure?Danger in the event of a ground fault Are the electric wires connected correctly?No cooling, no heating Is the wiring in accordance with the specifications?Operation failure, burning Are the inlets/outlets of the indoor and outdoor units free of any obstructions? Are the shut-off valves open?No cooling, no heating Do the marks match (room A, room B) on the wiring and piping for each indoor unit?No cooling, no heatingMaximum Power Input Limitation SettingWarningAlways shut off the power supply breaker before starting.•The Maximum Power Input Limitation needs to be set when the unit is installed.•This function limits the power input of the unit to 1700W.•It is recommended for locations with low-capacity circuit breakers.CautionThis function is only for the 2MKS40 and 2AMKS40.•Set as follows.1)Remove the three screws on the side and remove the top of the outdoor unit.2)Remove the fan motor lead wire from the hook and loosen it.3)Disengage the four tabs marked with a triangle and remove the electrical cabinet.4)Cut the jumper (J9) of the Printed circuit board inside.5)Go back through step 3) → 2) → 1). Make sure all components are well secured when doing this.Service1.Concerning Handling of High Voltage Parts Do not touch the charged parts for 10 minutes after the safety breaker is turned off, because of the danger of high voltage .2.To Prevent Electrical Shock Use a tester to check that the voltage between DB1 “ + ” and “ – ” is 50V or less.(Refer to the Figure at below for the locations to check.)3.Reconnecting After CheckWhen reconnecting, be sure to reconnect everything the same way it was before.4.Layout Diagram of Electrical ComponentsFault Diagnosis by LED on Outdoor Unit PCB.Notes:1)Switch the power off and back on again if the LED display recurs, the outdoor unit PCB is fault.2)Switch the power off and back on again if the LED display recurs, either the outdoor unit PCB is at fault or the thermal fuse inthe terminal strip (X2M) is severed.Error detection should be performed using the malfunction diagnosis function on the remote controller.MULTIMETER(DC. VOLTAGE RANGE)S70FAN MOTER LEAD WIRES91THERMISTOR LEAD WIRE (LIQUID & GAS PIPE)LED A(SLIT INSIDE)S90THERMISTOR LEAD WIRE S80 (2AMXS, 2MXS only)REVERSING SOLENOID VALVE COIL LEAD WIRES20ELECTRONIC EXP ANSION VALVE COIL LEAD WIRE (ROOM A)S21ELECTRONIC EXP ANSION VALVE COIL LEAD WIRE (ROOM B)REACTOR LEAD WIRETHERMISTOR LEAD WIRECOMPRESSOR & OL LEAD WIREDB1LED A(SLIT INSIDE)Pump Down OperationIn order to protect the environment, be sure to pump down when relocating or disposing of the unit.1)Remove the valve caps on the liquid and shut-off valves at the pipes for rooms A and B.2)Run the unit on forced cooling. (Refer to the below.)3)After 5 to 10 minutes, close the liquid shut-off valves at the pipes for rooms A and B using a hex wrench.4)After 2 to 3 minutes, stop the forced cooling operation as quickly as possible after the gas shut-off valves at the pipes forrooms A and B have been shut off.5)T urn the power breaker off.CautionRun cooling operation at the pipes for rooms A and B when performing a pump down.1.Forced Cooling Operationing the indoor unit start/stop button1)Press the start/stop button on the indoor unit in either room A or B for 5 seconds continuously.The units in both rooms will start.2)Forced cooling operation will end after around 15 minutes and the unit will stop automatically. Press the start/stopbutton on the indoor unit to force the operation to stop.3)Use this method to force cooling operation when the outside temperature is 10°C or lower.ing the wireless remote controller1)Select cooling operation and press the start/stop button. (The unit will start.)2)Press the temperature button, button, and the ”mode” button at the same time.3)Press the “mode” button twice.4)T est-run mode will end after around 30 minutes and the unit will stop automatically. Press the start/stop button toforce the test-run to stop.1-3.For set-ups where the indoor unit is a low static pressure duct FDBQ series.1)Perform cooling operation in test-run mode.CautionIf the outside temperature is 10°C or lower, the safety device might start, preventing operation. In this situation, warmthe outside temperature thermistor on the outdoor unit to 10°C or warmer. Operation will start.。

第五章GPd、GPdm系列（R410A）多联机组工程设计及安装一、室内、外机冷媒配管设计1. 室内外机连接管的分歧方式2. Y型分歧管FQ01A、FQ01B、FQ02、FQ03、FQ04 Y型分歧管Y型分歧管可从下面的列表中选取：当下游室内机容量之和大于室外机容量时，分歧管以室外机容量进行选取。

对于FQ03或FQ04分歧管，分歧后两个支路对应的下游容量之比不能超过3：1。

举例说明：如需对下游室内机总容量代码为1000的管路进行分流，则分流后任何一侧的下游室内机容量代码之和不能小于250。

3. 室内外机冷媒配管允许长度和落差3.1容量大于等于60kW机组3.2容量大于等于20KW且小于60kW机组3.3容量小于20kW机组4. 冷媒配管尺寸4.1 室外机至第1分歧间的配管（主管）尺寸由室外机容量代码来确定室外机至第1分歧间配管尺寸4.2 分歧部至分歧部间的配管（分歧管）尺寸根据下游所接室内机容量选定。

在超过室外机容量时，以室外机容量为准。

分歧部与分歧部之间配管尺寸4.3 分歧部至室内机间的配管（室内配管）尺寸同室内机配管尺寸相同，尺寸如下表所示：室内机配管尺寸5. 冷媒配管要求5.1 本机型使用工质为R410A，冷媒配管要求不可与其他工质配管混用。

5.2 连接管管材为紫铜TP2M，满足GB/T17791-1999《空调与制冷用无缝铜管》的要求。

5.3 铜管壁厚要求:单位：mm二、室外机模块间连接配管设计注：同一系统内各模块间距不小于20mm。

1、模块连接组件对于模块化并联室外机，模块连接组件用于连接各模块之间气管和液管。

可从下面的列表中选取：2、油平衡连接三通对于三机并联油平衡管路，需在油平衡管路中连接一个接口内径均为φ9.7的油平衡连接三通。

3、室外机模块间连接配管尺寸选择3.1室外机与连接组件间配管室外机与连接组件间配管尺寸与单个模块要求配管尺寸相同。

3.2 模块连接组件间配管如室外机为三机并联，则需考虑模块连接组件间配管。

第三章GMV多联空调机组室内机(R410A)注：GMV 多联空调机组室内机（R410A）可搭配GR 数码多联空调机组（R410A）、GRm 模块化数码多联空调机组（R410A）、GPd 直流变频多联空调机组、GPdm 模块化直流变频多联空调机组。

E 系列风管机所匹配外机仅限于直流变频机组。

双热源风管机所匹配外机仅限于直流变频模块化机组。

一、普通风管机1、产品概述室内机普通静压配置，符合家居环境的要求，能将凉爽/ 温暖均匀送至室内的每一处空间, 风量小, 噪音低。

四档风机配置，可根据实际的工程需要调整室内机的静压及风量，有效的解决了风声和风量的冲突问题。

◆灵活设置，均匀送风风管可根据用户需要灵活配置，在一个或多个房间里设置多个回风口和送风口，有效解决大面积居室或多个房间同时供应冷量或热量以及均匀送风的需要。

◆安装方便，简洁美观在工程安装过程中，可以根据需要选择圆形送风管或矩形送风管。

也可以根据回风位置及室内机安装位置的不同选择下部回风或后部回风。

◆换新风功能，改善室内空气品质可根据需要引入新鲜空气，改善室内空气品质。

2、产品外形图GMV-R22P/H、 GMVR-R22P/H GMV-R25P/H、 GMVR-R25P/HGMV-R28P/H、 GMVR-R28P/H GMV-R32P/H、 GMVR-R32P/HGMV-R36P/H、 GMVR-R36P/H GMV-R40P/H、 GMVR-R40P/HGMV-R45P/H、 GMVR-R45P/H GMV-R50P/H、 GMVR-R50P/HGMV-R56P/H、 GMVR-R56P/H GMV-R63P/H、 GMVR-R63P/HGMV-R71P/H、 GMVR-R71P/H GMV-R80P/H、 GMVR-R80P/HGMV-R90P/HS、 GMVR-R90P/H GMV-R100P/HS、 GMVR-R100P/HGMV-R112P/HS、 GMVR-R112P/H GMV-R125P/HS、 GMVR-R125P/HGMV-R140P/HAS、GMVR-R140P/HA3、产品性能参数注：① .本机组设计执行标准GB/T 18837-2002。

格力GPd直流变频多联空调机组注：GPd 直流变频多联空调机组搭配GMV 多联空调机组室内机（R410A）。

一、产品概述1、产品特点GPd 直流变频多联空调机组是格力自主研发的最新一代变频空调机组，是由一台风冷室外机连接数台相同或不同型式、容量的直接蒸发式室内机构成单一制冷系统，向一个或数个区域直接提供处理后空气的空调机组；机组容量范围为10.0kW ～ 90.0kW，其中20.0kW 以下容量机组主要用于家居场所、小型办公楼和商场等，而20.0kW 以上机组主要用于大型办公楼、生产车间、大型商场等商用场所。

机组采用技术领先的直流变频压缩机和独特的外观设计，并优化了制冷系统，使性能更佳、能效比更高、运行更为可靠，安装调试更为方便。

◆稳定可靠的系统设计a. 业界领先的直流变频正弦波驱动控制技术，压缩机更柔和和无级变速运行，强有力的保证了压缩机在各频率下的可靠运行和能力输出；b. 机组采用格力成熟的PI 算法控制技术，分别判断室内外温度，室内机能力，设定温度等不同条件决定压缩机的能力输出，与其他厂家同类产品所采用的简单的根据室内机能力决定压缩机的能力输出相比，格力变频多联机的运行频率连续平稳，冷媒分配更为精确，制冷速度更合理，环境温度与设定温度的差值更小；c. 机组可在宽温度范围连续可靠运行（室外温度：制冷10℃～ 48℃；制热-20℃～ 27℃），最大范围满足用户需求；d. 独特的系统控制，有效地避免了常规多联式空调在低负荷“大马拉小车”运行时带来的系统压力、温度、电流等异常问题，保证了系统在低负荷长期运行是安全、可靠的；◆直流变频技术, 高效节能a．格力直流变频机组，选用性能优越的高压腔直流变频压缩机，节能效率更高。

b. 由于交流变频所用压缩机中电机为交流电机，交流电机磁场的建立需要定子电流来建立，因此需要一部分损耗，即二次铜损；直流变频所用压缩机中电机为PMSM 或BLDC 电机，而PMSM 或BLDC 电机磁场是永磁体的，即没有二次铜损。

多联机外机安装工程方案一、前言随着现代建筑设计的不断发展，多联机外机已经成为许多商业和居住建筑中常见的空调系统之一。

多联机外机的安装对于空调系统的正常运行和维护具有重要的意义。

本方案将针对多联机外机的安装工程提出详细的方案和步骤，以期为相关施工人员提供参考。

二、工程概况1.1 项目名称：多联机外机安装工程1.2 项目地址：某某市某某街道某某社区1.3 项目范围：安装10台多联机外机，涉及空调系统管道安装和电气连接等工作。

三、工程准备工作2.1 设计图纸审核：施工前需对空调系统的设计图纸进行仔细审核，确保安装位置和管道走向符合设计要求。

2.2 施工材料准备：准备好所需的多联机外机、管道、管件、电气设备及配件等，保证施工过程中的材料供应。

2.3 人员准备工作：组织好安装人员，并分配好各自的工作任务。

四、施工工序3.1 地面准备：在多联机外机安装位置进行地面标线，并清理干净，做好基础工作。

3.2 多联机外机吊装：使用吊车将多联机外机吊装到预定位置，并进行固定。

3.3 空调管道安装：根据设计要求进行空调管道的安装，确保管道连接牢固，无泄漏情况。

3.4 电气连接：对空调系统的电气连接进行接线，并进行电气检测，确保安全可靠。

3.5 输液管连接：进行多联机外机与室内机输液管的连接，并进行压力测试，确认管道无渗漏。

3.6 安全检查：对安装完成的多联机外机进行全面的安全检查，确保无任何潜在危险。

五、施工注意事项4.1 施工过程中需严格遵守相关的安全规定，做好施工安全防护。

4.2 施工人员需具备相关的施工经验和技能，并遵守相关的操作规程。

4.3 施工过程中需与其他施工单位充分协调，确保施工进度和质量。

4.4 施工完成后，需对现场进行清理，并进行相关的验收和记录。

六、施工质量管理5.1 安装过程中需严格按照设计图纸和相关规范进行施工，确保质量合格。

5.2 进行质量抽查，确保管道连接牢固，电气连接正常。

5.3 对安装完成的多联机外机进行联合调试，确保空调系统的正常运行。

多联机安装施工方案本文将介绍多联机空调系统的安装施工方案。

多联机空调系统是一种可以连接多个室内机组的空调系统，适用于大型办公室、商场或酒店等场所。

在安装多联机空调系统时，需要仔细规划和施工，以确保系统能够正常运行并达到预期效果。

1. 施工前准备在进行多联机空调系统的安装之前，需要进行一些准备工作。

首先需要对安装场地进行认真测量和评估，确定合适的室内机组和室外机组的位置。

同时，需要准备好所需的安装工具和材料，确保在施工过程中能够顺利进行。

2. 室外机组安装首先需要安装室外机组，选择一个通风良好的位置，离地面高度要求符合设计标准。

安装室外机组时，需要确保其稳固固定在基础上，同时要注意排水管和电源线的布置，避免在安装完成后出现问题。

3. 室内机组安装接下来是安装室内机组，根据设计图纸确定室内机组的位置，确保安装位置符合标准要求。

安装室内机组时，需要注意排水管和电源线的连接，同时要保证室内机组的安装牢固可靠，避免出现晃动或漏水等问题。

4. 管路连接在安装多联机空调系统时，需要进行室内和室外机组之间的管路连接。

管路连接需要按照设计图纸布置，确保连接紧密、无漏气现象。

在连接过程中，需要注意保护管路，避免损坏管道导致系统运行不畅。

5. 系统调试完成安装后，需要对多联机空调系统进行系统调试。

通过打开系统电源，设置温度等参数，确保系统能够正常运行。

在调试过程中，需要注意观察系统运行情况，如有异常情况需要及时处理。

结论多联机空调系统的安装施工需要经过周密规划和严格执行，只有这样才能确保系统的正常运行和长期稳定性。

在安装过程中，需要注意相关安全问题，确保施工过程安全可靠。

希望本文能对多联机安装施工方案有所帮助。

多联机施工规范目录一．多联机室外机施工要求二．多联机室内机施工要求三．多联机冷媒管路施工要求四．空调风管施工要求五．空调冷凝水管施工要求六．空调电气施工要求七．多联机防腐与保温施工要求八．多联机系统调试要求一．室外机基础1．室外机基础最好采用混凝土基础，也可以采用型钢基础，采用型钢基础要做好防腐工作。

2．基础高度要考虑到雪埋深度、排水、保温层厚度等，一般应高出地面150-200mm。

3．基础表面应水平，承重不低于机组重量的四倍以上。

4．基础四周应留有排水沟，以利于室外机化霜水的排放。

5．室外机基础设在屋顶时应协调土建方作好防水工作。

二．室外机安装位置选择1．安装位置应足以承受外机的重量和振动，特别是外机集中放置时，要考虑到其运转时产生振动对建筑结构产生的影响。

2．机组噪声和振动不会对居民和环境造成影响。

3．机组周围应尽量满足进风、出风需要，通风顺畅，散热良好，机组上方2m内不应有障碍物，否则应加设导风管。

4．机组周围应留有0.5米以上的维修空间，四周障碍物高度不得超过800mm。

5．机组周围没有易燃、易爆及腐蚀性气体；没有热源及排油烟口；无高压线、变压器、发射塔等电磁干扰源。

三．室外机安装1．机组吊装运输时应保持直立，不得倾倒，否则会导致机组损坏。

2．机组开箱检查是否有漏油和损伤现象，检查随机附件和技术资料是否齐全并交专人保管。

3．室外机应摆放整齐，面板朝向一致。

4．5．机组与基础之间加10mm厚的减振橡胶，机组与基础用螺栓固定。

6．同一行外机间距在20mm以上，施工现场条件允许，考虑到散热效果和检修方便可适当增大到200mm。

两行外机间应留有1000mm以上的维修空间。

7．外机与冷媒管焊接时，对机组截止阀采取冷却措施，防止焊接的高温损坏阀体内的密封材料。

8．机组上方2米内有障碍物时，加装导风管将排风引出。

9．室外机原则上不允许安装在有百叶窗封闭的空间内，若必须安装的话，则叶片间距应≥30mm以上，百叶倾斜角在0—15度内，且尽量加大百叶窗的面积。

第三篇 GMV多联机组能力修正、工程设计及安装、供货范围第一章 GMV多联机组能力修正及选型一、能力修正1. 容量代码室内机容量代码=室内机额定制冷量的数值（以W为单位）×室外机容量代码=室外机额定制冷量的数值（以W为单位）×例：GMV-R300W2/B室外机额定制冷量为30000W，其容量代码为300；GMV-R25P/D风管室内机额定制冷量为2500W，其容量代码为25。

2. 室内机和室外机能力修正的方法各室内机能力=室外机能力×室内机容量/同时运行的室内机容量室外机能力=室外机额定工况能力×室内、外界温度条件的修正系数×（配管距离的修正系数+室内外机高低差的修正系数）同时运行的室内机总容量决定室外机额定工况能力室内机容量代码之和小于等于室外机容量代码时，室内机容量代码之和等于室外机额定工况能力室内机容量代码之和大于室外机容量代码时，室外机额定工况能力等于其额定制冷量室内、外界温度条件修正系数a. 与温度条件有关的制冷能力修正系数b. GR、GRm、GRh、GP、GPd、GPdm、GPJ系列多联机组与温度条件有关的制热能力修正系数201格力中央空调 -c. GRe系列低温热泵数码多联机组与温度条件有关的制热能力修正系数配管距离的修正系数（R22机型）202格力中央空调 -v1.0 可编辑可修改203格力中央空调 -制热a. 相当的配管长度计算方法相当的配管长度 = 最远端室内机至室外机气体配管长度+最远端室内机至室外机气体配管上的弯头数 × 弯头相当的配管长度（查下表） +最远端室内机至室外机气体配管上对应的的分歧管数×分歧管对应的配管长度b. 90o弯头相当的配管长度计算方法 90o弯头相当的配管长度 气体配管直径（mm ）相当长度(m)c. 分歧管的相当长度按Y 型分歧管一个，分歧集管一个计算。

室内机、室外机高低差的修正系数（R22机型）当室内机与室外机存在落差时，配管距离的修正系数应减去下列值。