INSTALLATION MANUAL

PAGE

1.PRECAUTIONS .1
2.CONSTRUCTIONCHECKPOINTS. 2
3.ACCESSORIES 3
4.OUTDOORUNIT INSTALLATION. 3
5.REFRIGERANT PIPE. .8
6.ELECTRIC WIRING.. .15
7. TRIAL RUN.. 23

1.．PRECAUTIONS

Precautions before reading the Installation manual.

This Installation manual is for the outdoor unit.
Refer to the indoor unit Installationmanual for indoor parts installation.
Please read the power source unit Installation manual to install the power source unit.
Please refer to the refrigerant distributor Installationmanual to install the refrigerant distributor.

The safety precautions listed here are divided into two categories. In eithercase,importantsafety informationis listedwhichmustbe read carefully.

WARNING

Failure toobserveawarningmayresultindeath.

CAUTION

Failure toobserveacautionmayresultininjuryordamage to the equipment.

After completing the installation,make sure that the unit operates properly during the start-up operation.Please instruct the customer on how to operate the unit and keep it trained.Also, inform customers that they should store this Installation manual along with theowner'smanual for futurereference.

A

WARNING

■ Besure only trained and qualified service personnel to install,repairorservice the equipment. Improper installation,repair,and maintenance mayresult in electric shocks,short-circuit,leaks,fire orotherdamage to the equipment. Installaccordingto this installationinstructionsstrictly. If installation isdefective,itwill causewater leakage,electrical shock fire.

When installing the unit in a small room,take measures against to keep refrigerant concentration from exceeding allowablesafety limits in the eventof refrigerant leakage. Contact theplaceof purchase formore information.Excessive refrigerant ina closed ambient can lead to oxygen deficiency.

Use the attached accessories parts and specified parts for installation.
Otherwise, it will cause the set to fall,water leakage,electrical shock fire. Install at a strong and firm location which is able to withstand the set's weight.
If the strength is not enough or installation is not properly done, the set will drop to cause injury.

IThe appliance shall not be installed in the laundry.

Before obtaining access to terminals,all supply circuits mustbedisconnected.

The appliance must be positioned so that the plug is accessible.

Theenclosureof theapplianceshallbemarkedbyword,or bysymbols,with the directionof the fluid flow.

For electrical work,follow the local national wiring standard,regulationandthisinstallationinstructions.An independent circuit and single outlet must be used. If electrical circuit capacity is not enough ordefect in electrical work,it will cause electrical shock fire.

Use the specified cable and connect tightly and clamp the cable so that no external force will be acted on the terminal.

If connection or fixing is not perfect,it will cause heat-up or fire at the connection.

Wiring routing must be properly arranged so that control board coveris fixed properly. If control board cover is not fixed perfectly,it will cause heat-up atconnection point of terminal, fire orelectrical shock.

If thesupplycord isdamaged,itmustbe replaced by the manufacture or its service agent or similarly qualified person in order toavoida hazard.

An all-pole disconnection switch having a contract separationofatleast 3 \mathsf {mm } in a poles should be connected in fixed wiring.

When carrying out piping connection,take care not to let airsubstances go into refrigeration cycle. Otherwise,it will cause lower capacity,abnormal high pressure in the refrigeration cycle,explosion and injury.

Do not modify the length of the power supply cord or use ofextension cord,and do not share the single outletwith otherelectricalappliances. Otherwise, it will cause fire or electrical shock.

Carry out the specified installationworkaftertaking into account strong winds,typhoons or earthquakes. Improper installationworkmay result in the equipment falling and causing accidents.

If therefrigerant leaksduring installation,ventilate thearea immediately.
Toxic gas may be producedifthe refrigerantcomes into the place contacting with fire.
Aftercompletingthe installationwork,check thatthe refrigerantdoesnotleak.
Toxic gas may be produced if the refrigerantleaks into the roomand comes into contact with a source of fire,such asa fan heater,stove or cooker.

ACAUTION

□ This A/C isa kind of amenityunit.Don't install it at the placewhere for storing machine,precise instrument, food, plant,animal,artwork or any other special used occasion.
■ Ground the air conditioner. Do not connect the ground wire to gas or water pipes,lightning rod or a telephone ground wire.Incomplete grounding may result in electric shocks.
□ Besure to install an earth leakage breaker. Failure to install an earth leakage breakermay result in electric shocks.
■ Connect the outdoor unit wires,then connect the indoor unit wires. You are not allowed to connect the air conditioner with the power source until wiring and piping the air conditioner is done.
■ While following the instructions in this Installationmanual, install drain piping in order to ensure proper drainage and insulate piping in order to prevent condensation. Improperdrainpipingmay result inwater leakageand property damage.
□ Install the indoorand outdoorunits,power supply wiring andconnectingwires at least1meteraway from televisions or radios in order to prevent image interference or noise. Depending on the radio waves,a distance of 1 meter may not be sufficient enough to eliminate the noise.
■ The appliance is not intended for use by young children or infirm persons without supervision.
■ Young children should be supervised to ensure that they do not play with the appliance.
■ Don't install the air conditioner in the following locations: There is petrolatum existing. There is salty air surrounding (near the coast). There is caustic gas (the sulfide,for example) existing in the air (near a hot spring).
. The Volt vibrates violently (in the factories).
. In buses or cabinets.
. In kitchen where it is full of oil gas.
. There is strong electromagnetic wave existing.
. There are inflammable materials or gas.
. There isacid oralkaline liquid evaporating.
： Other special conditions.
■ The insulation of the metal parts of the building and the air conditioner should comply with the regulation of National Electric Standard.

2. CONSTRUCTIONCHECKPOINTS

■ Acceptance and Unpacking
. After the machine arrives,check whether it is damaged during the shipment. If the surface or inner side of the machine is damaged,submit a written report to the shipping company. Check whether the model,specification and quantity of the equipment conform to the contract. Afterremoving the outer package,please keep the operation instructions well and count the accessories.
■ Refrigerant pipe
· Check themodel and name to avoid mistaken installation.
· Anadditionally purchased refrigerant distributor (manifold adapter and manifold pipe)must be used for installing the refrigerant pipes. Therefrigerant pipes must have the specified diameter. Nitrogenof a certain pressure must be filled into the refrigerant pipe before welding. The refrigerant pipe must undergo heat insulation treatment. Aftertherefrigerantpipeisinstalledcompletelytheindoorunit cannot be powered on before performing the airtight test and creatingavacuum.The air-sideand liquid-side pipes must undergo the airtight test and vacuum extraction.
■ Airtight test Therefrigerant pipe must undergo the airtight test (with 40kgf/cm² nitrogen).
■ Creating a vacuum Besure to use the vacuum pump to create a vacuum of the connective pipe at the air side and liquid side concurrently.
■ Refrigerant replenishment
. If the lengthisgreater thanthereferencepipe,therefrigerant replenishment quantity for each system should be calculated through the formula obtained according to the actual length of pipe. Record the refrigerant replenishment quantity,actual length of pipe and the height difference of the indoor &outdoor unit onto the operation confirmation table of the outdoor unit in advance for future reference.
■ Electric wiring
. Select the power supply capacity and wire size according to thedesignmanual.Thepowercableof theairconditioner is generally thicker than the power cable of the motor. In order to prevent misoperation of the air conditioner,do not interleave orentwine the power cablewith the connection wires (low-voltage wires) of the indoor/outdoor unit.
· Power on the indoor unit after performing the airtight test and making a vacuum.
· For details of setting the address of the outdoor unit,see Outdoor unit address bits.

□ Trial run

Before operation,remove the four pieces of PE foamingwhich are used at the rear of the unit for protecting the condenser. Be careful not to damage the fin.Otherwise, the heat exchange performancemaybeaffected.
Perform the trial run only after the outdoor unit has been powered on for over 12 hours.

3．ACCESSORIES

4.OUTDOORUNITINSTALLATION

4.1 Outdoor unit combination

4.2 Dimension of outdoor unit

Fig.4-1 Shape1(8HP\~16HP)

Fig.4-2 Shape2(18HP\~22HP)

4.3Selecting installation position

Ensure that the outdoorunit is installedina dry,well-ventilated place.

Ensure that the noiseand exhaustventilation of the outdoor unit do not affect the neighbors of the property owner or the surrounding ventilation.

Ensure that the outdoorunit is installedinawell-ventilated place that is possibly closest to the indoor unit.

Ensure that the outdoorunit isinstalled inacool placewithout directsunshineexposure or direct radiationof high-temp heat source.

Donot install the outdoor unit in a dirty or severely polluted place,so as to avoid blockage of the heat exchanger in the outdoor unit.

Donot install the outdoorunit ina placewith oil pollution,salt orhigh content of harmful gases such as sulfurous gas.

A solid, correct base can:

Avoid the outdoor unit from sinking.

Avoid theabnormal noise generateddue to base.

1 Base types

Steelstructure base

Concrete base (see the figure below for the general making method)

Fig.4-3

A

CAUTION

The key points tomake basement:

The master unit's basement must be made on the solid concrete ground.Refer to the structure diagram to make concretebasementindetail,ormakeafterfieldmeasurements. In order to ensure every point can contact equality，the basementshouldbe on completely level.
If the basement is placed on the roofing, the detritus layer isn't needed,but the concrete surface must be flat.Thestandard concretemixtureratioiscement \dag { 1 } / \dag sand2/carpolite4,andadd \Phi 1 0 strengthen reinforcing steel bar, the surface of the cement and sand plasm must be flat,border of the the basement must be chamfer angle.
Before construct the unit base,please ensure the base is directly supporting the rear and front folding edges of the bottompanel vertically,for thereasonof these edgesare the actual supported sites to the unit.
In order to drain off the seeper around the equipment,a discharge ditchmust be setuparound the basement.
Please check theaffordability of the roofing to ensure the load capacity.
When piping from the bottom of the unit, the base height should no less than 2 0 0 \mathsf {mm }

Position illustration of screw bolt (Unit:mm) <br>Fig.4-4

Centering position illustration of each connective pipe (Unit:mm) 1)8-14HP

Fig.4-5

2)16-22HP

Fig.4-6 <br>Fig.4-7

Fig.4-7

4.4 Outdoor units'placement sequence & master and slave units'settings

A system,which provide with more than two outdoor units,wil beset as the followings method:The outdoor units in this system should placesequentially fromthe large to thesmall capacity; the largest capacity outdoor unit must be mounted at unit address as the master unit, while the other seting as the Slave Unit.Take 38HP (composed by 10HP,12HP and 16HP) as an example:

1)Place the 16HP at a side of the first branch joint site.
2) Place the unit from the large capacity to the small(See the detail placement illustration)
3)Set 16HP as the master unit, while the 12HP and the 10HP as the slave unit.

Fig.4-8

4.5 Installation space for outdoor unit

Ensure enough space formaintenance.The modules in the same system must be on the same height.(see the Fig.4-9)

When installing the unit, leavea space formaintenance shown in Fig.4-10.Install the power supply at the side of the outdoor unit.For installation procedure,see the power supply device Installationmanual.

In case any obstacles exist above the outdoor unit, refer to Fig.4-15.

>1000mm 300\~500mm 300\~500mm >1000mm >1000mm >1000mm Topview of the outdoor unit

4.6 Layout

■When the outdoor unit is higher than the surrounding obstacle . One row

Fig.4-11

Fig.4-10

· Two rows

Fig.4-9 <br>Fig.4-12

More than two rows

When the outdoor unit is lower than the surrounding obstacle, referto the layoutused when the outdoor unit is higher than the surrounding obstacle. However,to avoid cross connection oftheoutdoorhotairfromaffecting the heatexchangeeffect, pleaseaddanairdirectoronto theexhausthoodof theoutdoor unitto facilitate heat dissipation.See the figure below.The heightof theairdirector is HD (namely H-h).Please make the air director on site.

Fig.4-14

If miscellaneousarticlesare piledaround the outdoorunit,such articles must be 8 0 0 \mathsf {mm } below the top of the outdoor unit. Otherwise,amechanic exhaustdevicemust beadded.

4.7 Set the snow-proof facility

Insnowyareas,facilitiesshouldbeinstalledtopreventsnow. (See the figure below) (defective facilities may cause malfunction.) Please lift thebracket higherand install snowshedat theair inlet and air outlet.

Installationillustration

1)8HP\~16HP

Fig.4-15

Fig.4-17 Plan 1

Shutterat the air outlet(if necessary)

8/10HPAir pressure curve diagram (take down the mesher)

( m ^ { 3 } / h ) 12600 12400 12200 12000 11800 11600 V 0 5 10 15 20 25 Static pressure (Pa) 12HPAirpressurecurvediagram (take down the mesher)
Air volume ( m ^ { 3 } / h ) （204号
13500
13300
13100
12900
12700
12500
12300 5 10 15 J 20 25 Static pressure (Pa) 14/16HP Air pressure curve diagram (take down the mesher)
Air volume ( m ^ { 3 } / h ) （204号
15800
15600
15400
15200
15000
14800
14600+ / 0 5 10 15 20 25 Static pressure (Pa) 18HPAirpressurecurvediagram (take down themesher)
Air volume ( m ^ { 3 } / h ) 17700 17500 17300 17100 16900 16700 16500 5 10 15 20 25 Static pressure (Pa) 20/22HPAir pressurecurvediagram (take down themesher)
Air volume ( m ^ { 3 } / \mathsf { h } )
22300
22000
21700
21400
21100
20800 20500 0 5 10 15 20 25 Static pressure (Pa)

NOTE

Before install the air deflector,please ensuring the mesh enclosure has been took off,otherwise theair supply efficiency would be block down. ■ Once mounting the shutter to the unit,air volume,cooling (heating) capacityand efficiencywould be block down, this affection enhance along with the angle of the shutter.Thus,we are not recommend you to mount the shutter,if necessary in use,please adjust the angle of shutter no larger than 1 5 ^ { \circ } · Only one bending site to be allowanced in the air duct (see as above figure),otherwise,misoperationmay ledout. Install the flexible connector between the unit and the air pipe, foravoiding to produce vibration noise

5.REFRIGERANTPIPE

5.1Length and drop height permitted of the refrigerant piping

NoteAssume equivalent pipe length of the branching pipe header to be 0 . 5 \mathsf { m } , of the OS to be 1m(for calculation purposes).

Fig.5-1

A

CAUTION

1.The reduced length of the branch joint is the 0 . 5 \mathsf { m } of the equivalent length.
2.The inner units should as equal as possible to be installed in the both sides of the U-shape branch joint.
3.When the outdoor unit is on the low positon, H z 4 0 m , the liquid pipe of the main pipe need to increase one size.
4.The allowable length of the fist branch joint which connected to theindoorunitshould be equal to orshorter than 4 0 \mathsf { m } But when the following conditions are all meeted, the allowable length can extended to 9 0 m

5.2 Select the refrigerant piping type

Fig.5-2

5.3 Size of joint pipes for OS box

e.x.1:RefertoFig.5-3,thecapacityofdownstreamunitstoL3is 7 1 x 2 + 2 8 = 1 7 0 , i.e.low pressure gas pipe for L3 is \Phi 1 9 . 0 5 , high pressure gas pipe is \Phi 1 5 . 8 8 highpressure liquid pipe is \Phi 1 2 . 7

5.4Size of joint pipes for outdoor unit

Baseon the followingtables,select thediametersof outdoor unit main connective pipe.In case of the main accessory pipe of indoor unit larger than outdoor unit main connective pipe, take the large one for the selection.

5.6 Multi connecting pipe assembly and pipe

diameter foroutdoorunit

Base on Table 5-7 select the multi connecting pipe assembly of outdoor unit.Before installation,please read the Outdoor Unit BranchingPipe InstallationManual carefully.

5.7 Example

1) Take ( 1 0 + 1 2 + 1 6 ) HP that composed by three modules as an example toclarify thepipeselection. Take Fig.5-2asan example.Provided that the equivalent lengthofall pipesinthissystemis larger than 9 0 \mathsf { m } the branch pipe's length is less than 1 0 \mathsf { m }

1）The aux. pipe a with N1,N2 downstream indoor units that total capacity is 7 1 x 2 = 1 4 2 the pipea diameter is \Phi 1 5 . 8 8 / \Phi 9 . 5 2 , thus select ZP-GNo1-A for the branching pipe 丨.

2)The main pipe L3 with N1,N2,N3 downstream indoor units that total capacity is 7 1 x 2 + 2 8 = 1 7 0 the pipe L3 diameter is \Phi 1 9 . 0 5 / \Phi 1 5 . 8 8 / \Phi 1 2 . 7 , thus select OS02 for OS1.

3) The main pipe L5 with N4,N5 downstream indoor units that total capacity is 5 6 + 2 8 = 8 4 the pipe L5 diameter is \Phi 1 5 . 8 8 / \Phi 1 2 . 7 / \Phi 9 . 5 2 , thus select OS02 for OS2.

4) The main pipe L6 with N6,N7 downstream indoor units that total capacity is 7 1 x 2 = 1 4 2 , the pipe L6 diameter is \Phi 1 5 . 8 8 / \Phi 1 2 . 7 / \Phi 9 . 5 2 , thus select OS02 for OS3.

5)The main pipe L4 with N4\~N7 downstream indoor units that total capacity is 7 1 x 2 + 5 6 + 2 8 = 2 2 6 thepipe L4 diameter is \Phi 2 5 . 4 / \Phi 2 5 . 4 / \Phi 2 5 . 4 / \Phi 2 5 . 5 / \Phi 2 5 . 5 / \Phi 2 . （20 \Phi 1 9 . 0 5 / \Phi 1 2 . 7 , thus select ZP-GN02-R for the branching pipe C.

6) The main pipe L2 with N1\~N7 downstream indoor units that total capacity is 7 1 x 4 + 5 6 + 2 8 x 2 = 3 9 6 , the pipe L2 diameter isΦ28.6/ \Phi 2 2 . 2 / \Phi 1 5 . 8 8 thus select ZP-GNo3-R for the branching pipe B.

7）The aux. pipe n with N12, N13 downstream indoor units that total capacity is 5 6 x 2 = 1 1 2 the pipen diameter is \Phi 1 5 . 8 8 / \Phi 9 . 5 2 thus select ZP-GN01-A for the branching pipe Ill.

8）The aux. pipe lwith N11, N12,N13 downstream indoor units that total capacity is 5 6 x 2 + 2 8 = 1 4 0 the pipe Il diameter is \Phi 1 5 . 8 8 / \Phi 9 . 5 2 , thus select ZP-GN01-A for the branching pipe I1.

9）The main pipe L10 with N8,N9 downstream indoor units that total capacity is 7 1 x 2 = 1 4 2 , the pipe L10 diameter is \Phi 1 5 . 8 8 / \Phi 1 2 . 7 / \Phi 9 . 5 2 , thus select OS02 for OS4.

10) The main pipe L11 with N10\~N13 downstream indoor units that total capacity is 5 6 x 2 + 1 4 0 + 2 8 = 2 8 0 thepipe L11 diameter is \Phi 2 5 . 4 / \Phi 1 9 . 0 5 / \Phi 1 2 . 7 , thus select OS02 for OS5.

11）The main pipe L9 with N8\~N13 downstream indoor units that total capacity is 1 4 0 + 7 1 x 2 + 5 6 x 2 + 2 8 = 4 2 2 the pipe L9 diameter is \Phi 2 8 . 6 / \Phi 2 2 . 2 / \Phi 1 5 . 8 8 , thus select ZP-GNo3-R for the branching pipe E.

12) The main pipe L8 withN14\~N17 downstream indoor units that total capacity is 2 8 x 2 + 5 6 + 1 4 0 = 2 5 2 ，the pipe L8diameter is \Phi 2 5 . 4 / \Phi 1 9 . 0 5 / \Phi 1 2 . 7 , thus select OS04 for OS6.

13) The main pipe L7 with N8-N17 downstream indoorunits that total capacity is ( 1 4 0 + 7 1 ) x 2 + ( 2 8 + 5 6 ) x 3 = 6 7 4 , the pipe L7 diameteris \Phi 3 1 . 8 / \Phi 2 8 . 6 / \Phi 1 5 . 8 8 , thus select ZP-GN03-R for the branching pipe D.

C.Main pipe (Refer to Table 5-3,Table 5-5):

MainpipeL1in the Fig.5-3,whichupstream outdoorunits total capacity is 1 6 + 1 2 + 1 0 = 3 8 , base on table 5-5, the low-pressure gas/high-pressure gas/liquid pipe diameterare \Phi 4 1 . 2 / \Phi 3 4 . 9 / \Phi 2 2 . 2 totalcapacityof thedownstream indoorunit(N1\~N17）is 2 8 x 5 + 5 6 x 4 + 7 1 x 6 + 1 4 0 x 2 = 1 0 7 0 , base on table 5-3，the low-pressure gas/high-pressure gas/liquid pipe diameter are \Phi 3 8 . 1 / \Phi 3 1 . 8 / \Phi 1 9 . 0 5 , takethe large one foryourselection,final confirmthemain pipediameteris: low-pressuregas/ high-pressure gas/ liquid pipe \Phi 4 1 . 2 / \Phi 3 4 . 9 / \Phi 2 2 . 2 , thus select ZP-GN05-R for the branching pipe A.

D. Parallel connect the outdoor units

1) Theoutdoorunit linked by Pipeg1is1oHP,parallel connects with outdoor unit. the connective pipe diameter to be selected according to its connector size is \Phi 2 2 . 2 / \Phi 1 9 . 0 5 / \Phi 1 2 . 7 ; （20 The outdoor unit linked by Pipe g2 is 12HP,parallel connects with outdoor unit. the connective pipe diameter to be selected according to its connector size is \Phi 2 2 . 2 / \Phi 1 9 . 0 5 / \Phi 1 2 . 7 ; （20 The outdoor unit linked by Pipe g3 is 16HP,parallel connects with outdoor unit.the connective pipe diameter to be selected according to its connector size is Φ28.6/Φ22.2/Φ15.88.

2) G1 is the upstream of the two parallel connected outdoor units, refer to Table 5-7 select the two parallel connected outdoorunit, the pipe diameter is Φ31.8/Φ28.6/Φ19.05.

3）Parallel connect the three outdoor units,refer to Table 5-7 should select ZP-GWo3-R foroutdoorunit connective pipes ( L + M )

5.8 Caution for brazing

Make sure to blow through with nitrogen when brazing. Blowing through with nitrogen prevents the creation of large quantities of oxidized film on the side of the pipe.An oxidized film adversely affects valves and compressors in the refrigerating systemand prevents properoperation.

The nitrogen pressure should be set to 0.02Mpa(i.e.,just enough so it can be felt on the skin)with a pressure-reducing valve.

Fig.5-3

1Refrigerant pipe
2 Part to be brazed
3Taping
4 Hands valve
5 Pressure-reducing valve
6 Nitrogen

Do not use anti-oxidants when brazing the pipe joints. Residue can clog pipes and break equipment. Do not use flux when brazing copper-to-copper refrigerant piping.Use phosphor copper brazing filler alloy (BCuP) which does not require flux. Flux has an extremely harmful influence on refrigerant pipe systems.For instance,if chlorine based flux is used,it wil cause pipe corrosion or,in particular,if the flux contains fluorine, it will deteriorate the refrigerant oil.

5.9 Remove dirt or water in the piping

Make sure there isno any dirt or water before connecting the piping to the outdoor units.
Wash the piping with high pressure nitrogen，never use refrigerant of the outdoor unit.

5.10 Gas tight test

Charge 40kgf/cm² nitrogen gas from the pistion of high-pressure gasside valve from the meter connector.Pressure inside should be maintained at there no less than 24 hours.

Fig.5-4 <br>Fig.5-5

A

CAUTION

Pressurized nitrogen ( 3 . 9 { { M P a } } ： 4 0 {kg } { f } / {cm } ^ { 2 } ) is used for airtightness test.
It is not allow to bring pressure on the float valve directly (See Fig.5-4)
It is not allow to use oxygen,combustible gas or toxic gas to conduct the airtightness test.
Whenwelding，please use wet cloth insulating the low pressure valve for protection.
Foravoid the equipment be damaged，the pressure maintained time should not last too long.

5.11 Vacuum with vacuum pump

1）Use the vacuum pump which vacuum level lower than -0.1MPaand theairdischarge capacityabove4OL/min.
2）The outdoor unit is not necessary to vacuum,don't open the outdoorunit gasand liquid pipe shut-off valves.
3)Make sure the vacuum pump could result as -0.1MPa or belowafter2 hours orabove operation.If the pump operated 3hours or above could not achieve to-0.1MPa or below, pleasecheckwhetherwatermix or gas leak inside of the pipe.
4）Pressure gauge with the switch is installed between vacuum pump and system pipes.

Performthepump (lastfor10minutesorabove) □ Close the pressure gauge and vacuum pump in turn □ Remove the pressure gauge and vacuum pump □ After the system power outages. □ Connect with vacuum pump □ Perform the pump (last for2 hrs or above) □ 1.Close-off the valve of When get the vacuum level vacuum meter. -0.1MPa, the pump should 2. Cut off the connection keep running for20-60 mins between pressure meter □ a doseum pumum Shut down the pump. vaccun pump □ Place the vaccum state unused (1 hrs or above)

A

CAUTION

■ Don't mix up the different refrigerants or abuse the tools and measurementswhichdirectlycontactwithrefrigerants.
■ Don't adopt refrigerant gas forair vacuuming.
■ If vacuum level could not get to { \mathsf { - } } 0 . 1 { \mathsf { M P a } } , please check whether resultedby leakageand confirm the leakagesite.If no leakage, please operate the vacuum pump again1or2 hours.
■ During the vacuum operation, in order to keep related valves open anddischargeair inside thesystem,pleasepoweronall outdoor units,OS modeswitch boxesand indoorunits. After finish vacuum,please repower on the system and system will exit the vacuum mode automatically.

5.12 Charging Refrigerant

Basedon the field installed refrigerant pipeand system layout, additional refrigerant charge may be required.Pleaseadd additional refrigerantaccording to calculation below.Record the size of each liquid pipe fromoutdoor unit to indoor units.Record theamount of refrigerant thatwas charged on the outdoorunit for future reference.

Theadditional refrigerantchargedependsonoutdoorunitmodel, OS model and the lengthsand diameters of the outdoor and indoor liquid pipes.

Table5-11showstheadditionalrefrigerantchargerequirementeachOSboxfordifferentOS box models.Theaditional chargerequirementfortheOSboxisobtained bysummingalltheOSbox,throughthefolowing formula,whichO1toO6 represent thenumberof OSboxof eachdifferentmodel.

Additional refrigerant charge R2 (kg)=O1×0.1
+02×0.2
+03×0.3
+04×0.6
+05×1.0
+06×1.0

Table5-12showstheadditionalrefrigerantchargerequiredpermeterofequivalentpipelength fordiferentdiameters ofpipe.Thetotaladditionalrefrigerantchargeisobtainedbysummingalltheoutdoorandindoorliquidpipes,through thefollowing formula,whereL1toL8representtheequivalentlengthsofthepipesofdiferentdiameters.Assume 0 . 5 m for the equivalent pipe length of each branch joint.

Additional refrigerant charge R3 ( \mathsf {kg } ) = \mathsf { L } \mathsf { 1 } ( \Phi 6 . 3 5 ) x 0 . 0 2 2

+ \lfloor 2 ( \Phi 9 . 5 2 ) { x } 0 . 0 5 7 （20
+L3(Φ12.7)×0.110
+L4(Φ15.88)×0.170
+L5(Φ19.05)×0.260
+L6(Φ22.2)×0.360
+L7(Φ25.4)x0.520
+L8(Φ28.6)×0.680

Calculate the total additionalrefrigerant charge amount to be charged according to the formula R : ( \mathsf {kg } ) = \mathsf { R } \ : 1 + \mathsf { R } \ : 2 + \mathsf { R } \ : 3

5.13The Installation key points of connective pipes between outdoor units

1) Connect the pipes between outdoor units,the pipes should place horizontally (Fig.5-6,Fig.5-7),it isnotallow the concave at junction site(Refer to Fig.5-8).

2) All connective pipes between the outdoor units are not allowedtooverthanthe heightofeveryoutletsof the pipes(Refer to Fig.5-9).

Fig.5-6

Fig.5-9

3）The branching pipe must be installed horizontally,error angle of it should not large than 1 0 ^ { \circ } Otherwise,malfunction will be caused.

Fig.5-10

4）Foravoid oil accumulate at the outdoor unit,please install the branching pipes properly.

Fig.5-11

Fig.5-12

6．Electrical wiring 6.1Terminal functions

Fig.6-1Powersupply terminal

6.2 Spot inspection for outdoor unit

Fig.6-2 Communication terminal

6.3Description of the board

Fig.6-3Communicationterminal

国
二一 xT1 L
1 YE GNRDBK H 中 SW1 SW2
二二= 3M-inPv3N\~ 特 PLY SA a
1 CN
二一 Filter board 國 画 0
1 A L1B'L2B'L3B'NB'AC-L 智福 T6 Main board 3 OACN CN5CN6CN7CN8 □ 1 413 YE GN RD PM 园
一 一一 □00 IPM 福 |P SW 餐 IPP sitchon
二二二 ① ? Brs 凡 IDU ODU Centralized EXV3 SV Dioance sdediai 国 COMM. COMM.Controller 4-WAY1 4-way valve1 XV1 4-WAY2 4-way valve2 P 2 RD Heater INV heater -18HP HP High pressure switch 0 20-22HP t Lxwaressureswitch
YE GNRD 美 AC-N
XT1 YE GN RD BK 888 88日
3Main Po3e\~ THD EF 中 SW4 国 SW1 白 ATP P Mainboard Sv9 C ACN 41 EXV3 全
IPM YE 新 LP F CPMM 1 EXV1 T DIP svitc FAN board Right fan 吧丽 T ④④④④④ D SV2
? W SV3 SV2 ypass solenoid valve SV4 loidvalve
0 IDU ODU Centralized COMM. COMM. Controller RD 8HP Caution1:The E1,E2 electrolytic capaci finish electricity 0000 20-22HP Caution2:The current transformer must be through with the power cord.

6.6Parameter check instructions

1) Historical error code query

1.Press'+'or'_'button to item 58,this is the recent error code.
2.Long press 'COOL'button for 3s,enter historical fault query.

Press " \ast " or''toswitchthefaultnumber,'N1.'indicatesthesecondtolastfault;'N2.'indicates thethirdlastfault,and soon. 'N63.'isthelastfault,upto64historicalfaultscanbestored,andhistoricalfaultscanbesavedevenafterpowerfailure. Afterenteringthefaultrcordquery,ifwithoutanyoperationwithin2Os,itutomaticalyreturnsbacktothefrequencydisplay or standby display.

2)Parameter setting at project site

1.Innormaldisplaystate,long press'COOL'button for3s,enterparametersetting function:SHxis displayed( * _ { x ^ { \prime } } means number),short press'COOL'button to switch the parameter items,such as from SH1->SH2- . > SH3...

2.Eachparameteritemcanbechangedbypressing'+'or'_'button.Aftersetingparameter,thereisooperationwithin10s thesettingwillbesavedautomaticallyAfter2swithoutanyoperations,itwillautomaticallyeturntothefrequencydisplay orstandby display.

SH1:Cooling T2B target value A(unit: ^ { \circ } \mathsf { C } ,range:5-15),the factory default is 8 ^ { \circ } \mathsf { C }

SH2:Heating T2 targetvalue B(unit:C,range:40-5O),the factory default is 4 4 ^ { \circ } \mathsf { C }

SH3:Power saving mode value C(range:10-10o),it means that the outdoor unit can output 1 0 % to 1 0 0 % ,and the factory default is 1 0 0 % ：SH4:Autocharging refrigerantfunction (range:O&1),thefactorydefaultisO,thereisnoauto charging refrigerantfunction,SV10valveisalwaysclosed.'1'meansthereisutochargingrefrigerantfunction,SV10valvecanbe turned on oroffaccording to the relevant date judgment.

SH4:Autochargingrefrigerantfunction(range:O&1),thefactorydefaultisO,thereisnoautochargingrefrigerantfunction SV10valveisalwaysclosed.‘1'means thereisautocharging refrigerant function,SV10valvecanbe turnedonorof according to therelevantdate judgment.

SH5:The Longest defrosting period (unit: min,range: 5-20),the factory default is 10 minutes.

SH6:Exit defrost temperature T3 value,(unit: ^ { \circ } \mathsf { C } ,range:10-18),the factory default is 1 5 ^ { \circ } \mathsf { C }

SH7:Allowindoorunitoflinetimevalue,(unit:min,ange:6-40),yucanchoosefrom8vluesof6,20,,4,00 360,420,480.The factory default is 60 minutes;

SH8:Allow indoor unit ofline quantity value,(unit: pcs,range:O-6),the factory default is 2;

SH9:Reserved.

3)Forced cooling

Short Press'COOL'button to enter forced cooling.

The1s time press is forced cooling,'dC'is displayed.

The 2s time press is to exit forced cooling to standby state

The 3s time press is forced cooling,and so on.Forced cooling willautomatically exit after 1hour.

1) Precautions in electrical wiring

1.The power supplies for indoor unit and outdoor units shall be separately designed.
2.Thepowersupply mustbedesigned with specialbranch circuit,and equipped with currntleakage protectorand manual switch. 3.Powersupply,curent leakage protectorand manual switch connected to thesameoutdoorunit must be with the versatility.(Theindoorunitpowersupplyinthesamesystemmustbeinthesamecircuitandswitchedonoroffatthesame time,orthe system service life may be shortened and the machine may failin starting up.)
4.Theindoorandoutdoorconnectingandwiring systemshallbeincluded in thesamesystem with therefrigeranttube system.
5.Toreduce theinterference,theindoorandoutdoorsignallineshallbe the2-core shieldedcableotherthanunshielded multi-core cable.
6.Electrical wiring shall be performed according to national related standards.
7.Electricalwiringmustbedonebyaprofessionalelectrician.Supplycordsofpartsofappliancesforoutdooruseshallnot be lighter than poly chloroprene sheathed flexible cord (code designation 60245 IEC 57).
8.The indoor unit and outdoor unit must have a reliable grounding wire.

2)Power supply cable for outdoor unit

1.Power cable diameter and air circuit selection.

ANOTICE

1.Eachunithasaseparatepowersuply,sotheelectricalwiringforachunitshallcomplywiththecorrespondingstandard. (Tab.6-4)

2.The diameterand continuous length ofcables in the tableisforthe situation when the voltage dropis within 2 % ,and the cabl diametershallbeselectedaspertherelated specification if thecontinuous length goesbeyondthevalueinthe table.

2.Outdoor unit power wiring

O Correct Mode

Fig.6-6 Power supply device 1

Fig.6-7Powersupply device 2

NOTICE

Itisforbiddentoconnectthegroundwireofthelightningprotectiondevicetothemachinecasing.Thegroundwireofthe lightning protection device must be configured separately from the power supply ground wire.

3)Cable of power supply for indoor unit

Fig.6-8 Indoor unit power supply

NOTICE

1.Therefrigeranttubesystem,indoorunitindoorunit,andindoorunitoutdoorunitconnectingandsignalinesaredesigned in the same system.
2.All indoor units of a same system must be fed by the uniform power supply.
3.Whenthepowersupplylineisparalelwiththesignaline,theymustbeisolatedbycablechutesandspacedinanenough distance.(Power supply line space: 3 0 0 \mathsf {mm } for 10Abelow, 5 0 0 \mathsf {mm } for 50A below)
4.When multiple outdoor units are parallel connected,the addresses foroutdoor units mustbe correctly set.

6.8 Signal cable of indoor/outdoor units

3-core shielded cable(≥ 0. 7 5 \mathsf {mm } ^ { 2 } )shallbeusedfor the signal line cable between indoorand outdoorunits, the cablemustbe connected incorrect polarities,and the signal cable between the indoorand outdoor units can be only led out from the master outdoorunit.

Fig.6-9

NOTICE

Pleaseadda 1ooΩ resistance betweenPand Q terminal of thelast indoorunitwhenitisneeded.(The communication snot stable or too many indoorunits in one system)

6.9 Example for electrical wiring

Fig.6-10 <br>Fig.7-1

NOTICE:

1.Whenall the indoor part power consumption is too big, this connection method is not available; 2.When the3 phase power supply is not stable, this connection method is not allowed; 3. Incase of this problemasabove,please power indoor and outdoor part individually.

7．TRIALRUN

7.1 Inspection and confirmation before debugging

Check and confirm that refrigeration pipe line and communication wire with indoor and outdoor unit have been connected to the samerefrigeration system.Otherwise,operation troublesshall happen.

Power voltage is within ± 1 0 % of rated voltage.

Check and confirm that the powerwireand control wire are correctly connected.

Check whether wire controller is properly connected.

Before powering on,confirm thereisno short circuittoeach line.

Check whether all units have passed nitrogen pressure-keeping test for24 hourswith R410A: 4 0 \mathsf {kg } / \mathsf {cm } ^ { 2 } #

Confirm whether the system to debugging has been caried out vacuum drying and packed with refrigerationas required.

7.2Preparation before debugging

Calculatingtheadditional refrigerant quantity for each set of unit according to the actual length of liquid pipe.

Keep required refrigerant ready.

Keep system plan,system piping diagram and control wiring diagramready.

Record the setting address code on the system plan.

Turn on power switches outdoor unit in advance,and keep connected for above 12 hours so that heater heating up refrigerant oil in compressor.

Turn on air pipe stop valve,liquid pipe stop valve,oil balance valveandairbalancevalvetotally. If theabovevalvesdonot be turned on totally, the unit should be damaged.

Check whether the power phase sequence of outdoor unit is correct.

All dial codes of indoor and outdoor unit have been set according to the Technical Requirementof Product.

7.3 Fill the name of connected system

More indoor units and outdoor unit, select names for every system and record themon thenameplate on theoutdoor electriccontrol box cover.

Model(indoor unit) RoomName Eg: Indoor unit (A) of the firstsystem on second floo is recorded as:-2F-1A

7.4 Caution on refrigerant leakage

ThisairconditioneradoptsR410Aasrefrigerant,which issafe and noncombustible.

The room for air conditioner should be big enough that refrigerant leakage can not reach the critical thickness. Besides this,you can take some action on time. Critical thickness---the max thickness of Freon without any harm to person.R410A critical thickness 0 . 3 [ {kg } / { m } ^ { 3 } ]

Fig.7-2

Thismarking indicates that this product should not be disposed with other household wastes throughout the EU.To prevent possible harm to theenvironment or human health from uncontrolled waste disposal,recycle it responsiblytopromote thesustainablereuse of material resources.To returnyour used device, please use the return and collection systems or contacttheretailerwhere the productwas purchased.They can take this product for environmental safe recycling.

Calculate the critical thickness through following steps,and take necessary actions. Calculate the sum of the charge volume (A[kgl) Total refrigerantvolume=refrigerantvolume when delivered(nameplate)+superaddition Calculate the indoor cubage (B[m3]) (as the minimum cubage) Calculate the refrigerant thickness. / { sf { A } [ sf {kg } ] } { sf { B } [ sf { m } ^ { 3 } ] } <=slant \mathsf { C r i t i c a l \ t h i c k \mathsf { n e s s } } : \ 0 . 3 \ [ \mathsf {kg } / \mathsf { m } ^ { 3 } ] / Countermeasure against overhigh thickness Install mechanical ventilator to reduce the refrigerant thickness under critical level. (ventilate regularly) Install leakagedetectoralarmingdevice related tomechanical ventilator if you can not regularly ventilate.

Fig.7-3

7.5Turn over to customer

Be sure to deliver the Installation Manual of the indoor unit, andthe outdoorunitto theuser.

Appendix1 Installation Instruction of Outdoor Manifold

Available for the manifold of 4outdoorunits combination

ComponentList

EssentialsforSelection

TubeAssemblyComparisonTable

Howtoselect the connection tube assembly foroutdoorunits.

Tubeassemblies forR410A outdoorunit

Table3

EssentialsforCutting

Notes

1) Pay attention to the distance of straight horizontal pipe.

A.Thedistance of the straight horizontal pipe between the twoneighboringmanifolds shallbegreater thanorequal to0.5m. B.Thedistanceof thestraighthorizontal pipeconnecting the indoorunitafter themanifold shallbe greater thanorequal to0.5m.

InstructionforInstallatior

1)Selectmanifolds inaccordance withtheguidelinesfor thedesignedmodelaccording tothenumberoftheoutdoor unitsconnectedinparallel.
2Cutundesiredportionbythededicated tools(suchascutters)inaccordancewiththeactualpipediametersize. TakingtheZP-GW-02-Rforgassideasanexample,theoperatingstepsareshownasfollows:
a.AfterthemodelZP-GW-02-Risselected,theobtainedactualmaterialisshowninFigure1.
Assumethecurrentunitoutletpipeis31.8andthemainpipeis38.1,cutheindependentpipeQ1manifoldassembly according to Figure 2.
b.The independent pipe Q1 and Q3 shall be welded with U-shaped tee \scriptstyle \ Q 4 according to Figure 2. And discard the independent
pipeQ2 since thepiping diametercan bedirectly matched with the U-shaped teeat the unwelded end.
ThemanifoldassemblyshallbeweldedwiththepipeatsiteaccordingtoFigure3.
3)Payspecial attentiontothe treatment ofthe following specialcircumstances:
a.WhentheactualpipediametermatcheswiththeU-shapedteeat theun-welded end,weldthepipe with the U-shaped tee directly.
b.ForthepipeQ3andQ7cutitattherootoftheflaredendinaccordingtoFigure4ifitisnecessary.
4)Theinstalationdiagramisforreferenceonly,pleasebesubjectotheactualproduct.Theproducfmaybe upgraded without notice.

Q2 四 Q1 Q4 Q3 □

Q2□ Abandon 1 Q3 Q1 Q4 Cut from here □

Figure 1 <br>Figure 2 <br>Figure 3 <br>Figure 4

Q7 Cut from essential part

Appendix 2 Manifold assembly for indoor unit manual

Component List

EssentialsforCutting

figure 1

figure 2

Installation instructions

1.According the total capacity of all indoor units to select manifold.

2.According totheactualpipingdiametersize,cutoftheunwantedpart,forexampleZP-GNo1-Rtheoperationisasfollows.
a)When select manifold ZP-GNo1-R,the actual productis shown in figure 1,assume the tube is \Phi 1 5 . 8 8 ,cut the manifold such as Figure 2.
b)The independent pipes are then cut as shown in Figure 2.
c)The independent pipe iswelded witha U-shaped tee.
d)The manifold is welded with site piping.

1) Pay attention to the distance of straight horizontal pipe.

A.The distance of the straight horizontal pipe between the twoneighboring manifolds shall be greater than or equal to 0 . 5 m B.The distance of the straight horizontal pipe connecting the indoorunitafter themanifoldshallbe greater thanorequal to 0 . 5 \mathsf { m } #