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Technical manual for VRV

1. ed 1 ZL eprs edid een 8 jeq Gunssesd yBuy edid uog2euuo2 SEC G LL epis edid 4 BABA jeq enssajd M01 eps edid pinbg syiun jo edid uog2euuo eps edid seB j00pjno jo Burqny 0L apis edid seB edid 9 seo 2 epis edid seB syiun jo edid uoreuuo 2 eprs edid pinbg syun jo 6 epis edid pinbg edid ue 5 BAJEA 1 L 6 p t L 9 5 m TL H 793 554 a 31 1 Installation of gas balanced pipes In the three module system the gas balanced pipe is connected to the ball valve through a pipe with 619 1 and then weld them at the joints After installing empty the gas balanced pipe with the needle valve or vaccumize it directly At last turn on gas balanced ball valves of all indoor unit in the module system In the three module system installing gas balanced pipes Gas balanced T type three way valves adopted can refer to Fig 36 NOTE When welding Wrapping ball valves with wet cloth or cooling ball valves to keep the temperature of them lower than 1 20 so that prevent them from burning 2 Installation of oil balanced pipes
2. LL iH LEM Lem iLO iL Oo A gt 2 D a The second indoor units Total capacity id 8 HP 1 0 HP and 1 2 HP e 3 9 3 7 2 8 1 fF TRAIT E TORT TI E 5 g 5 z 8 the third indoor units Fig 5 0 Installation drawing of the indoor tubing NOTE 1 26 48 HP High pressure manifold 26 48HP Low pressure manifold High pressure manifold Total return air manifold Return air manifold NOTE 2 Keep all three way valves level otherwise it will lead the refrigerant coming into indoor units uneven which will lead the system out of well work 37 mami 8 f ESS 1HP indoor unit 2HP indoor unit 1HP indoor unit Nu 1HP indoor unit Ld Total capacity is 8 10 or 12HP f Lm xm quem en M L TALI E E P E THULE mam F OS 7 ESB indoor unit 1HP indoor unit 1HP indoor unit 1HP indoor unit g f f The second indoor units Total capacity is 8HP 10HP or 12HP p se a eren E 1 indoor unit F p URAL E E E To the third indoor units Fig 5 1 Different calibers design drawing for indoor tubing Table 9 Spec Table
3. __ __ gt ____ ______ ____ 1 ______ 915 88 E ______ _______ _ __________ IEEE RE MEL 022 0 35 Total amount of refrigerant charged 26 45 itio n eto di SHP indoor unit ws SHP Indoor unit 3 UAU 5 UAU oils TN 3 RAL d eis ds 4 ll A d as d UAU a SHP indoor uni elis SHP Indoor unt el URAL Fig 7 6 Refrigerant Calculation sketch 60 2 Refrigerant charging Take care of following points for charging refrigerant A The refrigerant is charged with the high precision electronic scale you can not charge the refrigerant at will Otherwise it may lead the system breaking down B When the refrigerant is charged with the refrigerant cylinder empty the charging pipe at first then keep the refrigerant cylinder converted when charging the refrigerant Otherwise it may lead the system breaking down The refrigerant is not allowed to be charged with another refrigerant Otherwise it may lead the system breaking down D The data is registered in Using Acknowledge Table of Outdoor Unit about the amount of the refrigerant charged tubing length actual value and height difference of indoor unit and outdoor unit System debugging After installing it needs commissioning and debugging the system to make sure that the system runs well 1 Check instruction of outdoor units Read in t
4. CONTORIL SV3 SV4 SV5 4 WAY HEATERI HEATER CN31 CN27 CN26 CN25 CN5 D SL 4 Fig 75 J 5 jumper position sketch map NOTE It is no need to pull out J 5 jumper of the main machine As for J 5 jumper of secondary machines pull out them and then insert them into one jumper for next using 58 7 Important notices for the electric wiring A Please set module amount for each outdoor unit in the system Otherwise the system will go wrong B The amount set of modules is just the amount of actual modules Otherwise the system will go wrong C Please dial correct codes of outdoor module amount and outdoor address Otherwise the system will go wrong D Locate a proper terminal resistance for the communication network of outdoor units to avoid of communication fault Charging more refrigerant Since Super DC Inverter Module Unit is applicable for many occasions and there are many different tubing the outdoor unit has been charged some refrigerant before leaving factory As to actual installation however it needs to charge more refrigerant for the system as long as the liquid pipe is longer than 0 meter 1 Calculation method for charging more refrigerant As for Super DC Inverter Modular the amount of the refrigerant charged is decided by the spec And length of the liquid tubing the calculation formula for charging more refrigerant is G L1 Xg14L2 Xg24L3 Xg34L4 Xg4
5. Fig 60 Layout sketch map of manifolds 3 Protection for outdoor refrigerant pipes As for the outdoor section of the refrigerant pipe wrap it with the cold insulator as well as protect it from damage by accident see Fig 6 1 If the outdoor section of the refrigerant pipe is longer than one meter cover the section with the splint Spare pipes are also sealed with end covers Outdoor Fig 6 1 Protection for outdoor refrigerant pipes 43 4 Layout principle of refrigerant pipes Centralized layout layout along the wall layout in the aisle as possible After laying pipes wrap them with white belts During wrapping those pipes wrap each pipe first and then wrap them together to keep no longer flabby When installing connection pipes and wires power lines or controlling lines of indoor units and outdoor units keep them along the wall proper bent horizontal or vertical in parallel and wrapped together voiding of traverse or blocking the traffic When installing connection pipes and wires power lines or controlling lines of indoor units and outdoor units make pipes as short as possible Wrap all pipes together as possible and not keep the tie ins exposed 5 Notices for laying refrigerant pipes Getting through pipes Mark System Number on the pipe to avoid of wrong connections Make sure that there are enough supports for pipes Installing at the outlet of
6. Inthe three module system the connection among oil balanced pipes adopts the flare connection type that is the oil balanced pipe is connected to copper pipes 6 35 X 0 7 5 mm with two ends flared In this system when installing oil balanced pipes Oil balanced T type three way valves adopted can refer to Fig 3 7 Screw down tie in nuts of the cut off valve of the oil balanced pipe before emptying the oil balanced pipe newly installed that is adopts the Discharging inside method screwing up the oil balance cut off valve For the oil balance pipe has been filled with lubricating oil you can screw down tie in nuts to complete emptying when the oil is dripping from the nut during emptying process After emptying the oil balanced pipe turn on all cut off valves among oil balanced pipes to keep the oil circuit flowing among all outdoor units in this system 3 Installation of high pressure liquid pipes In the three module system the installation of high pressure liquid pipes are referred to the installation drawing above and the spec Of the main pipe on side of liquid pipe is referred to Table of the spec Of Main Pipes from Installation of Main Pipes Connection pipes of outdoor units on side of liquid pipes is flared and connected with the high pressure ball valve of outdoor module and the diameters of these pipes are referred to Diameters of Outdoor Connection Pipes refer to the corresp
7. LAKES SUPER DC INVERTER MODULE UNIT INSTALLATION MANUAL SYSTEM INSTALLATION Select the field 1 Outdoor unit Please take care of the following points when selecting the installation field A To avoid of direct sunlit B The noise of the unit shouldn t affect neighbors or their everyday lives C Locate the outdoor unit at the place near the indoor unit whichis convenient for connecting them D Locate the outdoor unit at the place where is convenient for connecting with the power lines E When heating make sure that the condensation water discharged from the chassis will not affect the ambience F Not install it in the places near the high voltage power the equipment with high frequency or the place with inflammable gas or heat G Make sure the ambience of the field with sound ventilation H Don tinstall the unit at the oily place include machine oil Don t install the unit at the place along the coast where there is rich of salt J Don t install the unit at the place full of sulfid such as the hot well It is easy to breakdown for the air conditioner which is located near such places so please follow th e requirement of installation field K When installing the unit please make sure that the hot air or cold air blown from the outdoor unit won t reach at the neighbor s window L The support surface must be strong enough to bear unit s load M Make sure the installatio
8. 5 5 ld o s 7 2 RALL sj RALL 2 sj RALL s RAL 5 3 5 HP is FALL s IRALL Fig 3 5 The tubing domination sketch map 23 2 Introduction of manifolds For the pipeline system of Super DC Inverter Modular is quite complicated many manifolds and all kinds of three way valves are adopted in installing pipes which include Gas Balance T type three way valve Oil Balance T type three way valve and all kinds of bifurcated pipes subassembly of gas pipes or liquid pipes the details are as follows A Gas balance T type three way valve The material coding of CHIGO S 36160026 When three Super DC Inverter Modular run together the gas balance pipes of them are connected with the three way valve to keep the system run well The caliber of three connectors of the three way valve is 619 05 seeFig36 3 019 059 2 Fig 3 6 Structure drawing of the gas balance T type three way valve B Oil balance T type three way valve The material coding of CHIGO S36160059 When three sets of Super DC Inverter Modular run together the oil balance pipes of them are connected with the three way valve to keep the system run well The caliber of three connectors of the three way valve is 66 35 see Fig 37 a 0 22 27 6 17 Fig 3 7 Structure drawing of the oil balance T type three way valve C If the outdoor unit is just single module with the 8 1 6 H power there are three types of three way
9. 7 22 ____ 220v_ himax 2mm x 700 o 7 5 7 Paw is rom mer CCS ma e 5 40mm X 5 The auxiliary electric heater is powered by the 2 8kW 220V 3 2kW 220 1 5mm 3 5kW 220 1 Smm 3 6kW 220V L Smm 4 6kW 5 1kW 6 1kW m 220V Se z 1 5mm 1 5mm 220V 220V 15mm 1 5mm 220V 220V N 380V 1 5mm x5 2 5mm 380V 40mm X 5 unit 6KW temporary setting 5 1 5mm X5 2 5mm 380V 1 5mm x5 2 5mm 40mm X 5 220V 1 5mm 1 5mm m 220V 220V 1 5mm x3 220V 1 5mm x3 220V 1 5mm x3 25mm X3 4 0mm X 3 1 5mm 25mm 40mm x 3 25mm 40mm x 3 220V 220V 1 5mm x3 E z mm 4 0mm X 3 N 220V 1 5mm x3 E 1 5mm 25mm 4 0mm X 3 2 5mm X5 220V 2 8 3 40mm X 5 With the auxiliary electric heater the unit power is 15mm 1 5mm 2 5mm X5 4 0mm X 5 380V with three phase Without the heater the unit power is 220V with single phase NOTE If you want to lengthen the tubing wire please widen its cross section area accordingly at the same in order to keep its voltage change within 2 96 54 3 The wiring of communication wires NOTE In order to reduce the interruption the communication wires adopt the inte
10. The detailed operations are a Before installing three fire wires L 1 L 2 L and the zero wire of the leakage breaker separately adopts red yellow blue and black wire b Separately connect the three fire wires L 1 red L 2 yellow L 3 blue and the zero wire black of the leakage breaker to the corresponding interface L 1 L 2 L 3 and of the same outdoor system c Power on the outdoor unit if the electric control board does not display E 0 5 Phase Sequence Fault it means that the wiring above is right d Calculate how many outdoor units are and then divide them into three air conditioning groups evenly e The power terminal blocks L 1 L 2 L 3 and N of the first air conditioning group are connected to L 1 red L 2 yellow L 3 blue and N black of the corresponding leakage breaker separately f The power terminal blocks L 1 L 2 L 3 and N of the second air conditioning group are connected to L 1 red 1 2 yellow L 3 blue and N black of the corresponding leakage breaker separately 51 g The power terminal blocks L 1 L 2 L 3 and N of the third air conditioning group are connected to L 1 red 1 2 yellow L 3 blue and N black of the corresponding leakage breaker separately Adopting the wiring method above can keep the three phases of the power main line in balance see the figure below 1 Air conditioning system 2 Air conditioning system N Air conditioning s
11. it needs to charge Nitrogen gas into the pipe when welding and only when Nitrogen gas has replaced all gas of the pipe can the welding be carried out 4 After welding the pipeline wipe up the inner of the pipe at the welding point with the cloth driven by a rope or the long stick with the cloth fastened in the end and then flush it with high pressure nitrogen gas to clear up the oxide skins inside the pipe 5 Notices Preparation for preventing fires keep off the fire welding it in the clean area place the fire extinguisher and water nearby Be care of scald Pay attention to the spacing to avoid of leakage The relationship of the spacing and the minium depth built in of the tie in is referred to Table 13 Table 1 3 The relationship of the spacing and the minium depth built in of the tie in Minium depth Type Outside diameter D as Spacing A D built in B s 8 D 12 7 0 05 0 27 16 D 25 10 iim i 25 lt D lt 35 12 Braze welding 526 0 05 0 35 Make sure that there are enough tubing supports The standard of the spacings among supports for horizontal copper pipes are as Table 1 4 Table 14 Spacing among supports for horizontal copper pipes Smaller than 20 025 040 C Flared connection Take care for following points about pipes flared connection 1 Please anneal the secondary pipe before flaring 2 Cut the pipe with the pipe cutter The big pipe is
12. 2 accessory qs down dual nut Fix the washer Fix the suspension bracket firmly Snail at one corner of pipe outlet fixed at the corner of the drain The center of ceiling opening 5 Level Meter Polythene tubing Fig 1 4 Main body s installation sketch map of Ceiling Cassette Unit Fix the mounting pad C Install the panel Applicable models 7 000W 12000 W Rated cooling capacity 1 Preparation prior to installation Preparation prior to installation refer to the following figure Locate the decorated panel Never keep the panel down neither against wall nor placed on other protuberant thing Not collide push the swing board otherwise it will cause damage 12 Take down the return grille from the panel 1 Press the button of the return grille 2 Liftthe grille up about 4 5 3 Take out the cover at corner first then lift one end of the button out the return grille from decorated draw it out Refer to the refer to Fig 1 5 panel referto Fig 1 5 2 following Fig 15 3 Fig 1 5 The preparation for installing the panel of Ceiling Cassette 2 Install the decorated panel of the indoor unit As is shown in Fig 1 6 aim the swing board motor in panel cover at the pipe of the indoor unit in order to install the panel on the indoor unit 2 Install the panel The order of installing the panel follows the in
13. 3 types of combinations for commissioning at will NOTE The operating time for each test is no less than two hours and make the debugging records As for tests above if all targets meet the requirement of HVAC Regulation GB 0243 97 it means that the commission is passed and you can carry on the acceptance procedure Installation of the dome 1 There are two functions to install the dome When the supply air or return air of outdoor units is clogged the dome can guide the supple air to get a good effect of the air flowing and the heat exchanging b When the supply air of outdoor units disturbs others for example the blast inlet is located under the others window or the noise of supply air is too large to affect others rest it needs to install a dome for changing the wind direction to eliminate the effect 2 Installation principle of the dome 1 As for the installation direction please refer to Fig 7 7 2 The dome is made on the site please pay attention to the following points when making The dome should be strong enough so that it won t be out of shape or make abnormal noise when the outdoor unit supplies air b Fix the dome firmly on the outdoor unit so that it won t be removed by the supply air of the outdoor unit or other strong wind It is better to lay a damping cotton on the interface among the dome and the outdoor unit to prevent the dome from colliding with the outdoor unit and maki
14. coils wall mounted unit packaged unit and ceiling built in unit and soon Except controlling and throttling parts they are as the same as constant frequency unit so the installation can be referred to that of the constant frequency unit 1 Wall mounted unit The installation of wall mounted unit includes three parts installing the main machine installing the electronic expansion valve casing and cleaning the pipeline A Install the electronic expansion valve Dimension of electronic expansion valve LXWXH 210mmxX165mmxX71mm In the electronic expansion valve box there are the electronic expansion valve body electronic expansion valve loop capillary filter and silencer cotton etc The ties in at the both ends of the box are marked IN and OUT The IN end connects with the liquid pipe from outdoor unit to the indoor unit OUT end connects the inlet liquid pipe in indoor units by electronic expansion valve connect pipe at the packing chest of indoor unit Gas pipes of outdoor directly connect with that of indoor units the pin 6 of the electronic expansion loop directly be inserted into jack 6 of electronic panel of indoor units CN 13 sample marked on the plug of electronic panel is different from CN 1 A sample marked on the plug of the wire controller through both of them have six pins As for installation of electronic expansion valve the requirement is as follows D case should be fix
15. company will freely supply the two sets filter above for the installation company however the number is limited b Before debugging the system keep the system running for no than 8 hours in cooling mode In winter if the System can not start cooling operation do forced cooling operation instead of it It needs to press the Forced cooling key once per hour for the forced cooling operation can only last one hour C Please start forced cooling operation for reclaiming the refrigerant after running for 8 hours After reclaiming the refrigerant weld the pipe filters both on the gas main pipe and liquid main pipe and then check whether the filter is clean If there are much impurity or many oxide skins inside the filter clean up the system E Connect those pipes with the copper pipes and then weld them After vacuumizing the system again and emptying the refrigerant you can carry on other operations for debugging NOTE The pipe filter welded can be used circularly after being cleaned and dried 64 Check and accept After running in and debugging of the air condition project meets the requirement you can tidy the correlative data and the equipment and deliver them to the client Operation Instruction Manual of each indoor unit is quite important don t forget deliver them to the client Besides you d better introduce the details of Operation Instruction Manual Items to be delivered Rem
16. cut by the big cutter and if the pipe is quite big please cut it with the metal saw instead of the pipe cutter When sawing the pipe please keep the sawdust off the pipe and then clean the cut 3 Keep the dimension of flares as the following by adopting the pipe flaring tool Tabl e 15 Dimensi on requi rement of flares Nominal diameter Outside diameter Dimensi on of flares A Outside view inch mm mm 42 4 Wipe some air conditioning oil on the outside and inside surface of the flare to get the flared nut passing easily and void of the distortion of pipes 5 Get rid of the burr 6 7 8 Screw down the nut with proper torque force The torque is 1 0 more or less than the standard one referred to Table 1 6 Fix the pipe with two wrenches Please fit flared nut on the pipe before flaring Table 1 6 Torque table of copper nuts m Dimension 144 176 1420 1720 3 8 09 5 333 407 3720 3990 1 2 612 7 504 616 4950 6030 5 8 015 9 630 770 6180 7540 3 4 019 0 990 1210 9270 11860 D Layout of the refrigerant pipe 1 4 06 4 The layout requirement of the refrigerant pipe is as follows 1 Please mark the system sign every interval to void of wrong connection 2 Keep the plane of two branches of the manifold horizontal or keep the main pipe of the manifold vertical in order to void of uneven distributing of gas and liquid and affect the effect see Fig 60
17. for the module type NOTE 3 Low pressure ball valve 4 High presure ball valve Trunk duct Liquid pipe side Trunk duct gas pipe side Fig 4 5 The tubing installation drawing of the single module system 1 In the single module system by welding the trunk duct of gas pipe side is connected with the low pressure ball valve of the outdoor unit it needs to reduce the temperature of the joint to keep the temperature of the valve lower than 1 2 0 C when welding Through the flare the trunk duct of liquid pipe side however is connected the with the high pressure ball valve of the outdoor unit In this system it is no need to install the tubing of the outdoor unit and the dimension of the main pipe is referred to the corresponding contents in Install the trunk duct 2 In the single module system it is no need to install gas balanced pipes and oil balanced pipes However as for installing the single module system with the module type it needs to fasten the gas balanced valve and the oil balanced valve to avoid of leakage B As for two modules system The installation drawing is as Fig 4 6 1 Installation of gas balanced pipes In the two module system the gas balanced pipe is connected to the ball valve through a pipe with 619 1 and then weld them at the joints After installing empty the gas balanced pipe with the needle valve or vaccumize it directly At last turn on gas balanced ba
18. one two and three The dialing code of main machine is the same as the dialing code of secondary machines 11 stands for wrong dialing way and the default value before delivery is 00 56 5 Instruction for setting module amount dialing switch of outdoor units As for Super Direct Current Converting Module Unit several outdoor units can run at the same time in parallel However the amount of those machines running in parallel should be set before running otherwise the system will break down The electronic controller of each outdoor unit has an outdoor module amount switch the position can refer to the following drawing which adopts the up down dialing type dialing switch with two numbers 0 means the dialing switch at the position below and 1 means the dialing switch at the upper position Combining 0 and 1 can make four states the detail can refer to the following table 57 NOTE Please set module amount for each outdoor unit in the system Otherwise the system will go wrong b The amount set of modules is just the amount of actual modules Otherwise the system will go wrong c Please dial correct codes of outdoor module amount and outdoor address Otherwise the system will go wrong 6 The connection of RS 4 8 5 Terminal Resistance The terminal resistance is used for getting not continuous or not matched during communicating rid of the signal reflection which will happen when the impedanc
19. table 32 Table 5 Diameters of main pipes System Total Capacity A Main Liquid Pipe Main Gas Pipe mm 34 lt A lt 4 8 HP B Setreturn oil elbows When the height difference between outdoor and indoor units is more than 8 m it needs to set return oil elbows on total liquid outlet pipe and total return air pipe the number is decided by height difference and the installation position adopt Equal Allocation according the practical height see Table 6 Table 6 Setreturn oil elbows on the upright section of main pipes The height difference between indoor unit and outdoor unit H m 32 lt H lt 40 40 Hx 5 0 Equal allocation setting At the position of 1 2 of the height difference between indoor unit and outdoor unit H At the position of 1 2 and 2 3 of the height difference between indoor unit and outdoor unit H tt p 4 4 of the height di ff erence Salli indoor unit and outdoor unit 3 At the position of 1 5 25 3 5 and 4 5 of the height difference between indoor unit and outdoor unit H At the position of 1 6 2 6 3 6 4 6 and 5 6 of the height difference between indoor unit and outdoor unit H 33 Number of return oil elbows Total out liquid duct 1 Total return air duct 1 Total out liquid duct 2 Total return air duct 2 Total out liquid duct 3 Total return air duct 3 Total out liquid duct 4 Total return air duct 4 Total out liquid duct
20. test 45 Weld ports well High pressure gauge port Low pressure gauge port Fig 6 4 Air tightness test NOTE Doing the air tightness test needs to charge 6 0 MPa that is 6 0 kgf cm Nitrogen gas It is not allowed to charge the nitrogen gas after the low pressure ball valve and the low pressure tubing have been welded or the high pressure valve and the high pressure liquid pipe have been connected which avoids the nitrogen gas entering the system through those valves in pressure kept process not adopt Oxygen inflammable gas or poisonous gas for the air tightness test 2 Pressure operation As to each refrigerant system it needs to charge the nitrogen gas slowly from the gas pipe and the liquid pipe at the same time 2 There are several stages for charging the nitrogen gas the details are referred to Fig 6 5 Third stage 24 Hours Second stage Pass g em 3 minutes 1 cm i Pressure Skolt 3 minutes Fist stage 3kgtf cm l Time 2 4 hours Fig 6 5 Pressure stage control in the air tightness test 46 8 On the third stage keep the pressure for more than 2 4 hours for observation 4 Pressure observation Table 1 7 Pressure observation in each pressure stage STAGE There are some stages to rise the system pressure First stage Charge some nitrog
21. tie in of the motor and control box at the panel to the corresponding tie in of main body 2 Install air inlet grille again according the opposite steps on taking out of air inlet grille 9 Re enclose the installation board Fix installation board rope to the pin of installation board refer to the other of Fig 23 Push the installation cover into the panel slightly D Loosenthe nut above first C 15 Adjust below lide four sliding buttons into corresponding runner in plate when installing the cover Install the self tapping screw Fig 2 3 Readjustment of installation height of the indoor unit D Clean pipes Refer to the corresponding part of wall mounted unit 16 4 Fan coil unit A Install the electronic expansion valve Refer to the corresponding part of wall mounted unit B Install the main body Fan coil unit is in the ceiling type if the condition permits it s better pre embed some components The details are as Fig 2 4 Fig 2 4 The suspension of pre buried components for Fan Coil Unit If not you can refer the following method see Fig 2 5 Fix it with two M 1 0 nuts Fig 2 5 The suspension replacer of pre buried components for Fan Coil Unit C Instal air tubes CD Make air tubes Making air tubes can refer to relative requirement about metal air tubes in GB50243 97 NOTE Most of air tubes used by company now are the galvanization rect
22. tube Fig 3 1 Suspension of Fan Coil Unit for the case of the room with part ceiling D Clean pipes Refer to the corresponding part of wall mounted unit 20 Install the condensate pipe As for the air conditioning system it needs to install the condensate pipe to drain out the condensate in time The installation of condensate pipes is related to the type of units the details are 1 Fan coil type A Selecting for condensate pipes The condensate pipe is Hard PVC Pipe or Galvanized Pipe we usually select Hard PVC Pipe for considering the problem of sanitation and rust B Installation requirement It s considered to set water sealing at the outdoor exhaust vent especially for the long pipes The gradient of drain pipe is no less than 1 8 The outer surface of condensate pipes in the room should be wrapped with heat insulation pipes or heat insulation cotton in case of water leakage and then fix it with hobs which are located every 2 m in order to ensure that the gradient be noless than 1 Please do leakage test to make sure that every joint be not leaking and the drainage be smooth after installing condensate pipes The installation can refer to the following figure Fan coil Gradient gt 1 water sealing Floor Fig 3 2 Installation of condensate pipes for Fan Coil Type 2 Ceiling Cassette type There is a micro lift water pump in ceiling cassette type the installatio
23. 2 Oil balanced connection pipe Remark One Three way valve in the above figure is the type for outdoor units when the capacity of the system is 1 8 24 H If the capacity of the system is 2 6 32 H or the system needs to adopt other types it will follow the actual condition this figure is just for a referrer Remark Two Keep all three way valves level otherwise it will lead the refrigerant coming into indoor units uneven Fig 4 6 Installation drawing of the tubing in two modules system 3 Installation of high pressure liquid pipes In the two module system the installation of high pressure liquid pipes are referred to the installation drawing above and the spec Of the main pipe on side of liquid pipe is referred to Table of the spec Of Main Pipes from Installation of Main Pipes Connection pipes of outdoor units on side of liquid pipes is flared and connected with the high pressure ball valve of outdoor module and the diameters of these pipes are referred to Diameters of Outdoor Connection Pipes refer to the corresponding spec Table of outdoor units As for Distribution Three way Valve on the side of liquid pipes the type is decided by system capacities Please refer to 2 Introduction of Bifurcated Pipes NOTE Before welding charge some Nitrogen gas into the pipes 4 Installation of low pressure gas pipes In the two module system the installation of low pressure gas pipes a
24. 4 LnXgn G The amount of the refrigerant charged L 1 Total length of 6 3 5 liquid pipes among indoor units and outdoor units after installation L 2 Total length of 9 5 2 liquid pipes among indoor units and outdoor units after installation L 3 Total length of 1 2 7 liquid pipes among indoor units and outdoor units after installation L 4 Total length of 15 88 liquid pipes among indoor units and outdoor units after installation g 1 The amount of the refrigerant charged per meter for 6 3 5 liquid pipes refer to Standard of Refrigerant Charged g 2 The amount of the refrigerant charged per meter for 9 5 2 liquid pipes refer to Standard of Refrigerant Charged g 3 The amount of the refrigerant charged per meter for 1 2 7 liquid pipes refer to Standard of Refrigerant Charged g 4 The amount of the refrigerant charged per meter for 1 5 8 8 liquid pipes refer to Standard of Refrigerant Charged Table 2 3 Standard of Refrigerant Charged 015 88 0 170 NOTE When calculating the refrigerant charged for liquid pipes it does not include the bifurcated section For example As to the system in Fig 7 6 the accurate refrigerant charged is 2 6 4 5 Kg Refer to Table 2 4 Refrigerant calculation table 59 Table 2 4 Refrigerant calculation table Refrigerant calculation table Adding amount Adding amount for each pipe Tubing diameter per meter amount meter Length
25. 5 Total return air duct 5 The detail about the installation of return oil elbows is referred to Fig 4 8 High pressure liquid pipe Low pressure gas pipe NOTE Three way valves of the figure are just for a referrer As for the actual installation it needs to select the corresponding types according to the actual condition which may be different from the figure Return oil elbow To the second indoor units Fig 4 8 Design drawing of return oil elbows Upright Direction When the distance of the level pipe from outdoor units to indoor units is more than 5 0 meters it needs to install return oil elbow on the total out liquid duct and total air return duct The number of return oil elbows is decided t by the length and the installation adopts Equal Allocation based on the practical length the detailed information is as Table 7 Table 7 Set return oil elbows on the level section of main pipes The length between the horizontal duct of indoor unit and of outdoor Equal allocation setting Number of return oil elbows unit L m At the position of 1 2 of the Total out liquid duct 50 lt L lt 6 0 horizontal duct of indoor unit and of outdoor unit Total return air duct At the position of 1 and 2 30 Total out liquid duct 2 60 Lx 70 the horizontal duct of indoor uni and of outdoor unit H Total return air duct At the position of 1 5 25 3 5 and Total out liquid duct 80 lt L lt 9 0 4 5of the horizontal duc
26. Equipments name 1 External package 2 Chec k the whol e machine set Equipments inspection 3 Elect rical con trol exa mination 4 The check for the blower and the motor 1 Check the packing list Copy Sheet Check the technical 2 Certificate for the products Copy Sheet documents 3 The users manual Copy Sheet 4 Others Copy Sheet Existing Problems and handling advice Inspect the power Inspect the power and related equipment before installation Do as follows 1 Check the capacity of power prior to installation The power capacity connecting with outdoor units must meet the capacity requirement of outdoor units The power capacity of outdoor unit is referred to Electric Installation The power capacity connecting with indoor units must be larger than the max input power in nameplate of indoor units 2 Check the specification of the power supply wire of outdoor units and Leakage Protection Switch which meets the capacity requirement of outdoor units to ensure it running well and safely 3 The power lines of the unit are connected with the separate power control switch with three phase avoiding of sharing the power with other industry or everyday devices to ensure the power voltage meet the requirement 342 437V 50Hz NOTE If it does n t meet the safety operation requirement the installer should refuse installing it 6 Install the unit 1 Install the outdoor unit A Suspension Each unit has
27. above the outdoor unit gt Y Y I V IV ___ r Elevation AL Side Elevation 771 More than 4 5 4 More than 3 0 0 mm More than 1000mm Guide board Elevation 4 77777 7777 Elevation 777777 Note If there are some obstacles around the outdoor units keep them 8 0 0 mm away from the top of the outdoor unit otherwise it needs to collocate the mechanical draft device Fig 3 The installation sketch map for the outdoor unit with obstacles above Preparation before installation 1 Outdoor unit There are two kinds of installation foundations for outdoor units one is concrete foundation the other is the support frame type foundation welding with channel steel Steel and Angle Steel And the requirements A Concrete foundation This foundation is cast with concrete which has great anti vibration effect the following factors shall be emphasized 1 The surface of concrete foundation is massy firm and flat The bearing of the support surface is more than 2 times of the unit weight 2 When the cement foundation platform is made the following measures are adopted put the whorl reinforcing steel bar Dia gt 9 5 mm the concrete foundation the whorl reinforcing steel bar must be enlaced as top and bottom layers and the space between bars is 1 0 centimeters 3 When making the cement foundation on the concrete floo
28. angular air tubes with low wind speed Install fresh air tubes The inlet of fresh air tubes should be clean and without dust Filters and rainproof grille should be installed in the outdoor inlet Besides it is considered to install the draft control valve on the section of fresh air tube The fresh airflow rate is 1 0 1 5 96 of Total airflow rate see Fig 2 6 Air adjuster S ppl ai Fresh air Return air Fig 2 6 Installation of the fresh air tube 17 8 Install blast tubes The dimension of the fan coil can refer to the attached drawing of Dimension and Mounting Size of Fan Coil Unit Rectangle blast pipe can connect with air outlet and lead to the supply air grille The dimension of the pipe should be consistent with fan coil air outlet The length of rectangle blast pipes is shorter than 1 which can ensure the supply volume The width of guide vane in each supply air grille should be no less than 25 mm which guides the wind direction The supply air grille with both UP DOWN and LEFT RIGH vane is the best choose which can send cool air or hot air to every corner of the room The connection of blast tubes and indoor units can refer to Fig 2 7 Rivet hole X Fig 2 7 The connection of blast tubes and indoor units Q2 Install the return vent pipe The return vent pipe is connected with the return air inlet of indoor unit by rivets another end is connected with return air shutter the middle section can
29. been inspected and tested strictly before leaving company so install it carefully especially not damage pipeline and control system If the volume of unit is too large to be removed the suspension equipment can be used the requirement of suspension is as follows 1 The gradient of outdoor units should be less than 2 0 2 The stress bearing part of unit should be separated from suspension rope with cloth or other soft things 3 User should put lightly and keep the force on the equipment equal NOTE Suspension of units can do as follows Suspension manually or suspension with fork lift truck Lay logs or water ducts down the equipment and then move it manually B Fixthe equipment After suspending the equipment the following work can be done 1 After suspending equipments to the basement you must adjust the levelness of equipment with a gradienter the error must be less than 2 2 Fix the equipment after adjustment and keep the force on the firmware equal C Collocate the anti snow device in the area with snowfall In order to avoid of breaking down for the snow a elevated platform is needed Besides it needs to install anti snow shed at the air inlet and outlet refer to Fig 9 Anti snow shed at the air inlet Anti snow shed at the air outlet Anti snow shed at the air inlet Fig 9 Anti snow shed s installation sketch map of outdoor units 2 Installation of indoor units Indoor units include fan
30. ch phase branch wire connecting with the same load indoor units see Fig 7 1 What is more if the auxiliary electric heater is connected with the three phase power that is means that the load of the heater are distributed to each phase wire evenly Leakage breaker indoor unt __ SF Indoor unt TETON 4 Indoor uni TEOT Fig 7 0 The power wiring sketch drawing of indoor units 52 5 ________ __ ________________ _________ 12 unn N EE Eee ES MT ne 1 Indoor unit 2 Indoor unit LLL LK 186 1 Indoor unit 2 Indoor unit ore LN 4 1194 LN E 184 64 T Indoor unit LN 19 d N Indoor unit LN 1486 N Indoor unit 1 Indoor unit 2 Indoor unit LK i d npe LN Ebd 18 6j errs Fig 7 1 The power wiring sketch drawing of indoor units C The spec of power wires of indoor units are decided by the capacity of indoor units the details can refer to the following table 53 Table 1 2 The spec of power wires of indoor units With auxiliary electric heater With auxiliary electric heater three phase Without auxiliary L_ Single phase Power ith auxiliary electric heat electric heater Less than More than Indoor power 1m iuis Less than 15m More than 15m Taw av fame e 7 7
31. ckness 2 ounti nole 502650 100 2 xa P DTT Pm Thickn ess gt Lr TOK AAA fp fff f x 4 V Yj 7 Unit mm Fig 4 Concrete foundation installation sketch map of outdoor units 1 The distance between the concrete foundation and the ground is more than 1 0 0 mm 2 The height of the concrete foundation is more than 3 0 0 mm 3 The concrete foundation should keep level and the level gradient is less than O 1 7 B Welded with Channel Steel Steel and Angle Iron the support should be riveted on the ground with bolts NOTE The support surface must be strong enough to bear unit s load and it do not increase vibration and noise which may cause the disturbance 2 Indoor unit A If possible it s better to pre bury some components for the fan coil unit and ceiling built in unit the detail is referred to Fig 5 Ceiling PS SS OS SS Pre buried component Round iron Fig 5 Pre buried component sketch map of ceiling built in unit NOTE After installing pre buried component paint the outer surface with anti rust paint for once or twice and then surface paint If it is not permit you can do as Fig 6 A Hanger bolt B Bolt C Spring washer D Flat washer E Mounting support F Expansion bolt Fig6 The replacer sketch map of pre buried component B Wall mounted unit The wall mounted u
32. e is connected with low pressure pipes located among all outdoor units in the module system Through this Y type three way valves all indoor units are divided into several indoor groupware with the total capacity of 8 HP 1 0 HP or 1 2 HP separately NOTE When installing the manifold keep it level otherwise it will lead the refrigerant coming into indoor units uneven which does bad effect to the cooling or heating effect of the system 26 Y type three way valve of the high pressure manifold with the capacity of 8 24H Fig 4 2 Y type three way valve of the high pressure manifold with the capacity of 8 24H Y type three way valve of the high pressure manifold with the capacity of 8 2 4 is connected with high pressure pipes located among all outdoor units in the module system or is used for divided all indoor units into into several indoor groupware with the total capacity of 8 HP 1 0 HP or 1 2 HP separately NOTE One When installing the manifold keep it level otherwise it will lead the refrigerant coming into indoor units uneven which does bad effect to the cooling or heating effect of the system NOTE Two Both three way valves above compose one set of the manifold which is requested to be purchased from our company The model number of this accessory box is SP G 1 8 2 If the manifold is purchased from other places it will lead the refrigerant coming indoor units uneven and does bad eff
33. e is At the end of the cable install a terminal resistance with the same characteristic impedance as the cable to keep the impedance continuous Since the signal is intercommunicated it needs to install another terminal resistance with the same spec at the other end of the cable that is install one matched resistance at each end of the communication network As for Super DC Inverter Module Unit of our company there are two communication networks a The communication between all indoor units and outdoor main machines b The communication among outdoor units During the project installation it is hard to identify which is the origination or the terminal so that we join a 100 O parallel resistance on the outdoor main board with the communication interface of the indoor unit and no need to install a matched resistance for the communication network between indoor units and outdoor main machines In the communication network among outdoor units the communication interface of each outdoor main board locates a 1 0 0 O terminal resistance which is controlled by a short film J 5 located below the interface 5 After installing the system the main machine is connected with J 5 it is set before delivery and the secondary machines are disconnected with J 5 CN29 Dsp Comm MODLE 5485 CPU L ON ON ON iil ill i Outdoor Main Board EXV2 CN36 EXV1 CN35 SW4 SW2 SW3
34. eaen Remarks Note 1 It displays the amount of indoor units during idle state the present frequency of the compressor when the compressor is running the protection code or fault code if the system runs in protection mode or runs with faults If there are several protection or fault codes it displays circularly Besides if the module unit is running it displays the present frequency of the frequency converting compressor Note 2 Row 7 Running modes Off 0 Ventilating 1 Cooling dehumidifying 2 Heating 3 Forced cooling 4 Note 3 Row 9 Running state OFF 0 Seven numbers from 1 to 7 stands for seven grade speeds from low to high Note 4 Row 1 0 It displays TB 2 during cooling operation Outlet average temperature of indoor evaporator and in heating it displays T 2 Midpoint average temperature of indoor evaporator 62 Note 5 Row 2 1 Amount of indoor units The value should meet with the requirement keeping indoor units communicating normally with outdoor units 2 System commissioning There are two operating modes cooling and heating for commissioning DC Inverter Module Unit and it needs to select some typical combinations to be tested the details are 1 Start up all terminal equipment at the same time 2 Let the farthest terminal equipment commissioning 3 Let the terminal equipment with the minimal capacity commissioning 4 During the commissioning process select 2
35. ect to the cooling or heating effect of the system 2 Three way valve of the indoor unit On the trunk duct of indoor units there are Y type three way valve of the low pressure manifold with the capacity of 8 24 Y type three way valve of the high pressure manifold with the capacity of 8 2 4 H On the branched pipe however it adopts Total return air manifold refer to Figh 3 8 Return air manifold refer to Fig 3 9 and High pressure manifold And among of these three manifolds on the branched pipe two of the latter are attached to the indoor unit NOTE When installing the manifold keep it level otherwise it will lead the refrigerant coming into indoor units uneven which does bad effect to the cooling effect of the system If the outdoor unit is the multi modules with the capacity of 2 6 4 8 H there are two types of three way valves 1 Three way valve of the outdoor unit D Low pressure manifold with the capacity of 2 6 48H Fig 4 3 Low pressure manifold with the capacity of 2 6 4 8 H 27 Low pressure manifold with the capacity of 2 6 48H installed on the main pipe of the low pressure pipe is connected with low pressure pipes located among all outdoor units in the module system Through this manifold all indoor units are divided into several indoor groupware with the total capacity of 8 HP 1 0 HP 1 2 HP or 1 6 HP separately This thr
36. ed on the wall or other bearing with bolts provided make sure fixation is firm Keep the case near indoor units as much as possible the distance should be less than 1 meter which is convenient for installing the connection pipes of the electronic expansion valve and connecting the expansion valve loop Keep the surface pasted with Face up after installation upright during installation for if the mounting angle departs from the vertical more than 1 O it may cause expansion valve out of work As for the connection pipes of the valve located in the packing chest of indoor units keep it as the same as that leaving factory that is there are two round bents which can reduce the collision and the noise for throttling of electronic expansion valve As for the installation please refer Fig 10 1 0 meter onnection pipe of electric expansion alve Indoor unit Gas pipe of outdo or unit Fig 1 0 Installation sketch map of the electronic expansion valve Install the machine Take out the wallboard to stick to the wall then screw down one of Self tapping screws Find the central perpendicular line with hammer line draw other positions of screws to hammer wallboard Find the position of the hole with a ruler Make holes in the wall and install through wall pipes which should leap down 2 5 and then cut off the redundant part of the through wall pipe according to the t
37. ee way valve adopts the different calibers design the corresponding caliber of which is welded according to the installation requirement NOTE When installing the manifold keep it level otherwise it will lead the refrigerant coming into indoor units uneven which does bad effect to the cooling or heating effect of the system Low pressure manifold with the capacity of 26 48H Fig 4 4 High pressure manifold with the capacity of 26 48H High pressure manifold with the capacity of 26 48H is connected with high pressure pipes located among all outdoor units in the module system or is used for divided all indoor units into several indoor groupware with the total capacity of 8 HP 1 0 HP 1 2 HP or 1 6 HP separately This three way valve adopts the different calibers design the corresponding caliber of which is welded according to the installation requirement NOTE One When installing the manifold keep it level otherwise it will lead the refrigerant coming into indoor units uneven which does bad effect to the cooling or heating effect of the system NOTE Two Both three way valves above compose one set of the manifold which is requested to be purchased from our company The model number of this accessory box is SP G 182 If the manifold is purchased from other places it will lead the refrigerant coming indoor units uneven and does bad effect to the cooling or heating effect of the s
38. efer to Fig 9 Total return air bifurcated pipe subassembly refer to Fig 38 Low pressure bifurcation Y type three way valve with the capacity of 1 8 2 4 HP refer to Fig 4 1 and Low pressure bifurcation Y tyep three way valve with the capacity of 2 6 4 8 HP refer to Fig 4 3 The Return air bifurcated pipe subassembly is attached to indoor units and no need purchasing 3 Different caliber design for pipes with three way valves In the system of Super DC Inverter Modular connecting indoor tubing needs to adopt three way valves The diameter selection for each tubing is referred to Table 8 Spec Of indoor tubing and as for three way valves please refer to the structure and function of each one When connecting with different calibers connect the tubing with the corresponding connector of three way valves and then weld them well 4 The example for different caliber design is referred to Fig 5 1 Different caliber design for indoor tubing and Table 9 Spec Of some tubing 36 HH IM pressure liquid pipe pem pressure gas pipe MEL II F Wisi ll eh Es LH Q B De 2 2 e O0 The first indoor units Total capacity id 8 HP 1 0 HP and 1 2 HP omnt 3 9 r i 5 g g UA TURAL amp 4 5 8 A F
39. en gas with 3 0 for fires minutes If the reading of the manometer changes iL means that is a big vertage isn t reduced Rm Second stage Charge some r rcgen ges wih 15 0 for three minutes F the reading of manometer changes i mears that there is a big vertage Third stage Charge some nitrogen gas with 28 0 for 24 hours F the reading of the mancmeter changes means that there is a small ventage Main pressure observation ways are referred to the above table Charge the nitrogen gas so that the pressure is 6 0 0 kgf cm and keep the pressure for 2 4 hour which is regarded certificated If the pressure is reduced adjust it If the pressure does not change after adjustment check where the leak is Adjusting method If the difference of the environment temperature is 1 the pressure difference is 0 1 kgf cm E Adjustment formula Actual pressure Pressurizing Pressure Pressurizing Temperature Observing Temperature X0 1 kgf cm Compare the pressure adjusted with Pressurizing Pressure to find out the result Leak inspection In each stage find out where the leak is when the pressure drops the methods are 6 Listening for leak inspection You can hear a big leaking sound Touching for leak inspection You can feel whether there is the leak by putting your hand on the pipe joint 6 Leak inspection with subs You will see some air bubble coming from the
40. et Steel washer Fastening point Heat preservation layer ed lead paint Air tube lange Heat preservation of rectangular air pipe colligate Fig 2 9 Heat preservation of air tubes NOTE The number of fixing glue nails per square meter is referred to Table 3 2 The outer surface of heat insulation layer of air tube aren t allowed to frost on cooling operation Table 3 The number of fixing glue nails per square meter Beside or below the air tube Above the air tube 12 pcs 19 Itis the diagram of hoisting of fan coil unit Return intake Blast inlet Water sealing 1 Hanger 2 Return vent pipe 3 Canvas air tube 4 Return air shutter 5 Drain pipe 6 Rainproof shutter 7 Air valve 8 Fresh air tube 9 Diffuser 10 Air outlet pipe 11 Transition air tube Fig 3 0 Suspension of Fan Coil Unit for the case of the room with whole ceiling Fresh air inlet 5 Return intake Water sealing 1 Hanger 2 Return vent pipe 3 Canvas air tube 4 Return air shutter 5 Drain pipe 6 Rainproof shutter 7 Air valve 8 Fresh air tube 9 Diffuser 10 Air outlet pipe 11 Transition air
41. f there are slits between ceiling and Theheightofindoorunit decorated panel after screwing down canbeadjustedbyangle hole in decorated panel if adjust the height of the indoor unit the drain pipe doesn t again drain even when the indoor unit is level ev 4e pP lt gt REST No slit Fig 18 Improper panel installation of Ceiling Cassette 3 Lifting height of the indoor unit After installing the indoor unit please adjust its lifting height see Fig 1 9 rx oobis ec Ll La Fig 1 9 The lifting height of Ceiling Cassette 14 If there is spacing between indoor unit and the panel it will cause the following ill working condition The cold air will leak from the ceiling which lead the inside and outside surface the inside of the ceiling of the unit condensing The disorder air current blown out will lead the horizontal blade and inside surface of the unit condensing and water splashing see Fig 20 Indoor unit aii Cold air PSL The spacing led by air Panel Fig 2 0 Ill working ane result from the spacing between indoor unit and the panel 4 The connection between the indoor unit the panel refer to Fig 2 1 D Connect ties in of swing motor lead on the decoration panel Connect those ties in properly otherwise the swing board won t work 9 Make sure that the lead of s
42. ffective method see Fig 52 Binding up however is the easy replacing method for some field The applicable fields are referred to Table 12 39 Table 1 2 Wrapping methods of copper pipes Working period Wrapping methods More than three months Tightening Outdoor Less than three months than three months Tightening or binding up No matter how long the Indoor Tightening or binding up working period is NOTE 1 As for Tightening method clamp the end of the copper pipe and then weld it see Fig 5 3 Braze welding Copper pipe Brazing area Fig 5 3 Tightening sketch map of copper pipes NOTE 2 As for Binding up method bind up the copper pipe with PVC band following steps described in Fig 5 4 Nozzl 4 ozzle Dm m EM Bend the band Coil it for more d E gt back to the circles PVC Band beginning end Copper pipe Fig 5 4 Binding up sketch map of copper pipes 2 Notices for the following operations When the copper pipe gets through the hole itis easy for dirts to enter into the pipe the copper pipe reaches outdoors the rainwater may enter into the pipe especially for the upright pipe please seal the nozzle 3 Notices for the protection of refrigerant pipes Keep the tubing from dirts or water Seal the nozzle with the end cover when connecting the tubing Keep the nozzle horizontal or downward
43. he relative parameter from outdoor units when them are commissioning Now we introduce the read read method about running parameters of outdoor units On the main electric board of outdoor units for Super DC Inverter Modular there are the three digit digital display tube and check button refer to Appendix 1 Import parts position sketch map of outdoor units to display the system parameters When debugging the system press the check button with your hand and the digital tube will indicate the corresponding information in turn at once Information description indicated by Three digit digital tube is as follows In standby state Three digit digital tube indicates the amount of indoor units connected and communicating at present When compressors are running the digital tube indicates the frequency of those compressors 6 In defrosting mode the digital tube indicates dF in oil return mode the digital tube indicates dO in checkup mode the digital tube indicates the corresponding information circularly in the following order 61 Table 2 5 Checkup order of outdoor units i units total capacity requirement sent by indoor units requirement after Total capacity of the main machine can meet with the requirement of indoor units T4 is rectified i i NECEM a nene
44. hickness of wall 8 C Clean pipeline D Along with the pipeline draw the pipe tie in drain pipe and connection wire from the main machine and then tie them with bands Pay attention to the heat insulation at the joints of pipes At last install pipe pressure pad Q Pre adjust the position of electronic expansion case to keep the connection well 9 Hang the machine on two pothooks at the wall then move them to find the suitable position And then fixthe electronic expansion amp Pipeline connection make bend radius as big as possible and not flatten copper pipes Keep copper pipes level or vertical and screw down the screw cap after adjusting the horn of the pipe 2 Packaged air conditioner The installation of Packaged air conditioner includes three parts installing the main machine installing the electronic expansion valve casing and cleaning the pipeline A Install the electronic expansion valve Refer to the corresponding part of wall mounted unit B Instal units D Open the package of indoor unit and take out the indoor unit place it in the selected place 2 Along the designed direction of connection pipe beat away the corresponding refrigerant pipe and drain pipe at the bottom of the indoor unit 8 Screw up self tapping screws two of the anti leaning board on the top of the unit and dismantle them keep one side of the anti leaning board against the wall according t
45. ing point will drop to the value that is lower than the outdoor temperature and the water inside the pipe begins to be vaporized Table 1 8 Relationship of Water Boiling Point and Atmospheric Pressure dE 41 gt a LE m E O O oo O O ES 48 3 Vacuum pump selection Select a vacuum pump which can make the system reaching the vacuum Degree of vacuum 7 5 5 mmHg With a large exhaust volume more than 4 0 L min Besides check whether the rang of the vacuum gauge is lower than 7 5 5 mmHg before vacuumizing 4 Vacuum drying procedures During vacuum drying follow the procedures below Vacuum drying first time Connect the pressure gauge to charging ports of the liquid pipe and the gas pipe and then let the vacuum pump running for more than 2 hours The degree of vacuum is lower than 755 mm Hg After pumping for 2 hours if the degree of vacuum is not lower than 7 5 5 mmHg it means that there is some water or a leak in the pipe and needs to pump for another hour After pumping for hours if the degree of vacuum is not lower than 7 5 5 mmHg it needs to check whether there is an air leak It is in the same time for pumping the liquid pipe and the gas pipe Puming operation may be disrupted for some functional parts allocated in the indoor unit 6 Common vacuum drying sketch map is referred to Fig 6 7 2 kgf cm o 0 a g
46. is marked on Mounting Pad so you can find the position which needs to be fastened according the instruction of Mounting Pad Mounting space The mounting space of ceiling cassette is referred to Fig 11 than 1500 9 5 Exhaust vent Blast inlet Exhaust vent 777777777 Weti T J oi on roel nC Fig 11 Mounting space sketch map of Ceiling Cassette Preparation before installing a Relative positions of the opening of the ceiling the main body and the suspension screw refer to Fig 1 2 and Table 2 unit mm ore than 2 0 h A direction Suspension bracket 150 Ceiling iy 41 2 9 wee lalis 51212 35 D 02 Refrigerant pipe o 8 Os 3 05 4 2 9 5 8 a 5 Sfar Suspension screw 1i m oO pot pl D space betwen suspension screws b C indoor unit B ceiling opening A decorated panel Fig 1 2 Relative positions of the ceiling opening the main body and suspension screw 10 Table 2 Relative position of the ceiling opening the main body and suspension screw Dimension of the panel 5 eee 0 oo NOTE The dimension of ceiling opening marked by may be larger than 9 1 0 mm but the overlap section between the ceiling and decorated panel should be more than 2 0 mm If necessarily make the ceiling opening
47. its and outdoor units b In the same system indoor units share with a leakage breaker each indoor unit doesn t need a special one to avoid of system failure In the same system outdoor units share with a leakage breaker each outdoor unit doesn t need a special one to avoid of system failure d The diameters of grounding wires of each module units are no smaller than the diameter of power wires and the cross section area of grounding wires of indoor units is no smaller than 1 5 mm Wiring the power wire is carried out by electricians Now we will introduce for the wiring of power wires of outdoor units and indoor units separately 1 Wiring the power wire of outdoor units A Wiring the power wire includes wiring the main power lines and wiring the branch power wires see the following figure p E 4 ee ee ee Outdoor air conditioning system Outdoor air conditioning system Fig 6 8 The system drawing of power wires of outdoor units 50 B Please select the spec of power main lines according to the relative regulation to avoid of the system failure The cross section area of main power lines is correlated with total capacity of outdoor units which are collected with branch boxes the detail can refer to the following table Table 1 9 Cross section area of outdoor main power lines NOTE If you want to lengthen the tubing wire
48. leak Leak inspection with Halogen Detector It can adopt Halogen Detector for leak inspection when there is a little leak or you find the pressure reducing but can not find out where the leak is The inspection methods are Discharge some nitrogen gas until the pressure is 3 0 kgf cm yx Charging more refrigerant until the pressure is 5 0 kgf cm yx Adopting Halogen Detector Paraffinic Detector and Electric Detector to inspect the leak Continue to charge more nitrogen gas until the pressure reaches 6 0 0 cm then inspect 3 Notices D The highest pressure is not higher than 6 0 0 kgf cm in the air tightness test If the pipe is quite long divide the pipe into several sections and then check one section per once The pipe is divided into the following sections Indoor section Indoor and vertical section Indoor vertical and outdoor section 47 G Vacuum drying for refrigerant pipes 1 The connection sketch map of vacuum drying equipment is as Fig 6 6 Fig 66 The connection sketch map of vacuum drying equipment 2 Vacuum drying Dry the pipe by exhausting the vapor turned from water liquid with the vacuum pump The boiling point of water steam temperature is 1 0 0 under one atmospheric pressure The pressure will be reduced when the vacuum pump begins to vacuumize the pipe When the pressure inside the pipe closes to vacuum the corresponding boil
49. ll valves of all indoor unit in the module system NOTE When welding Wrapping ball valves with wet cloth or cooling ball valves to keep the temperature of them lower than 1 20 so that prevent them from burning 2 Installation of oil balanced pipes In the two module system the connection among oil balanced pipes adopts the flare connection type that is the oil balanced pipe is connected to copper pipes b6 35 X 0 75 mm with two ends flared Screw down tie in nuts of the cut off valve of the oil balanced pipe before emptying the oil balanced pipe newly installed that is adopts the Discharging inside method screwing up the oil balance cut off valve For the oil balance pipe has been filled with lubricating oil you can screw down tie in nuts to complete emptying when the oil is dripping from the nut during emptying process After emptying the oil balanced pipe turn on all cut off valves among oil balanced pipes to keep the oil circuit flowing among all outdoor units in this system 29 Ht be 5 1 01 balanced shut off valve 5 Main pipe liquid pipe side 9 Connection pipe of outdoor units gas pipe side 2 Gas balanced ball valve 6 Main pipe gas pipe side 10 Connection pipe of outdoor units liquid pipe side 3 Low pressure ball valve 7 Three way valve of gas pipe side 11 Gas balanced connection pipe 4 High pressure ball valve 8 Three way valve of liquid pipe side 1
50. manifold 67 Fig 4 0 High pressure manifold High pressure manifold is used for connecting with High pressure liquid pipe of the lower indoor units The manifold adopts different calibers design so according to different calibers of inlet liquid pipes of each indoor unit incise the corresponding caliber of 1 me Pipe with the cutter insert the inlet liquid pipe into 1 Pipe and weld them 2 Pipe and 3 Pipe are used for connecting other indoor units or connection pipes NOTE One When installing the manifold keep it level otherwise it will lead the refrigerant coming into indoor units uneven which does bad effect to the cooling or heating effect of the system NOTE Two Return air manifold and High pressure manifold composes one set of the manifold which is attached to the multi connection indoor unit as the accessory there is no need to purchase any one D If the outdoor unit is the multi modules with the capacity of 8 2 4 H there are two types of three way valves 1 Three way valve of the outdoor unit D Low pressure bifurcation Y type three way valve with the capacity of 8 24H Ww o H 6 59 Fig 41 Y type three way valve of the low pressure manifold with the capacity of 8 2 4 H Y type three way valve of the low pressure manifold with the capacity of 8 2 4 H installed on the trunk duct of the low pressure pip
51. n base is level N Void of the place with strong electromagnetic wave 2 Indoor unit The installation field of indoor unit is related to the type of the unit but there are some common grounds for different indoor units A Supply air to all places in room quickly B Install it in the place where don t block air in or out C Avoid of the place with more lampblack or steam D Avoid of the place where may produce inflow stay or leak flammable gas Avoid of the place where the acid fluid is used frequently F Avoid of the place near the heat resource G Avoid of the place where suffers from the outdoor air H Don t place the fire alarm at the blast inlet Don t locate the indoor unit at the place where is the high frequency equipment such as the electric welder with high frequency J The different points of the installation fields for different indoor units are 1 Wall mounted type Don t locate it on the advanced devices such as TV Sound Acoustics and computer etc 2 Ceiling cassette type or Fan coil type Don t locate it on the advanced devices such as TV Sound Acoustics and computer etc Mounting space for outdoor unit A Maker sure that there is enough space for maintaining and all modules in the same system are kept in the same height see Fig 1 B Leave enough service space for installing the outdoor unit see Fig 2 C Follow Fig 3 if there are some obstacles
52. n is referred to Fig 3 3 The water level switch turns on and drain the condensate in the seeper trayer to the condensing drain pipe no sooner than the water level has reached to the certain height The pump stops after exhausting the condensate Pay attention to the followings on designing the condensate system QD The height of the drainage lift pipe is limited by the drainage height of the lift pump which is different from different models The pump lift of ceiling built in type produced by our company is different for different specs The pump lift of the ceiling cassette type of our company is 7 0 0 mm H is no more than 4 0 0 mm 2 The distance between drainage lift pipe and indoor unit is less than 3 0 0 mm The condensate water pipe always adopts the hard PVC pipe the tie in adopting drainage hose and clamped with metal nips The condensate pipe in room should be wrapped with heat insulation pipes or heat insulation cotton and then fixed with hobs which be set every 2 m to ensure the gradient be no less than 1 21 The gradient is 1 100 more than Indoor unit Metal clip Fig 3 3 Installation of the condensate pipe for Ceiling Cassette Type 3 Wall mounted Type When installing Wall mounted Type please install pipes of the indoor unit according to the position of the hole in the wall and then wrap up those pipes and the drainage pipe keeping the drainage pipe below see Fig 34 Beca
53. ng abnormal noise when the unit runs d Keep the inner of the dome smooth and the resistance against the supply air does not exceed 2 0 Pa otherwise it will get a bad effect of heat exchange efficiency and even lead the system out of work Dome The place disturbed Ey There is a windown or the neighbor complain for the noise a 5 5 5 Outcbor unit Fig 7 7 Dome installation drawing 63 Oxide skins reclaiming 1 Equipment installation drawing for flushing the oxide skins with the refrigerant Indoor electric expansion valve Large pathway filter 22 Main pipe High pressure liquid pipe Large size drier filter ooo Remark Large pathway filter on the gas pipe please install it on the section of the main return air pipe as closed to the outdoor unit as possible Remark Large pathway filter on the liquid pipe please install it on the section of the main liquid pipe as closed to the indoor unit as possible before the first manifold of indoor units Fig 7 8 Equipment installation drawing for flushing the oxide skins with the refrigerant 2 Operation procedures a Please install a set of large size pipe filters The filter on the gas pipe is the one with the outside diameter 5 4 and the filter on the liquid pipe is the one with the outside diameter 2 2 There are 8 0 holes per square inch of the strainer for both filters Our
54. nit should be located on the firm wall Leave enough space between the unit and the wall for maintaining and checking the unit see Fig 7 Ceiling More than 4 0 mm Left Right More than 5 0 mm More than 5 0 mm Wall mounted board NOTE Please leave more space for installing other functional equipment such as clarification plant on the air conditioner Fig7 The mounting space sketch map of wall mounted unit C Packaged air conditioner Packaged air condition should be located on the firm wall Leave enough space between the unit and the wall for maintaining and checking the unit see Fig 8 m X More than 50mm 2 More than 10 More than 10mm Front More than 10mm More than 300m Fig8 The mounting space sketch map of packaged air condition 5 Unpacking inspection Inspect the equipment before installation Do as follows 1 Check for any damage or damp at outer surface after opening 2 Check for name specification type power meeting requirement for user s manual and certificate 3 Check for connection at the moving part for abnormality of collision and attrition between shell and other part 4 Check for any leakage at the gas feeding protective equipment 5 Check for any loose opposed or wrong direction at connecting line of electronic control plate and connection line terminal No damage to the electronic plate 6 Record see Table 1 Table 1
55. o the wall position then fix it D Dismantling the return grille drill the ground fixed plate on the base fix with expansion bolts on the ground C Clean pipes Refer to the corresponding part of wall mounted unit 3 Ceiling cassette unit The installation of Ceiling cassette unit includes three parts installing the main machine installing the electronic expansion valve casing and cleaning the pipeline A Install the electronic expansion valve Refer to the corresponding part of wall mounted unit B Install the main body QD Select the mounting position In the ceiling if the temperature is higher than 3 0 C and is more than 8 0 stick heat insulation material on the machine The heat insulation material Glass cotton and the foamed polythene both of them are thicker than 1 0 mm otherwise please fold up and place the extra part into the ceiling opening NOTE In order to avoid of noise or interrupting TV or Radio please keep the indoor unit outdoor unit the power lines and connection wires one meter away from those devices When the electric wave is quite strong it still cause some noise even if the distance is one meter The height of the ceiling Make sure the height where the indoor unit installed is 2 5 3 5m 8 When installing the suspension screw please make sure that the installation place can support the unit if not fasten it before installing The hole spacing
56. of some pipes Ss EON _OW DPeSSUTe gas pi 6 Height difference allowed and length of refrigerant pipes A Requirement of the tubing height and its length see Table 1 0 Table 1 0 Height and length of refrigerant pipes height dif ference among indoor units ax Tubing height Max pipe length Max pipe height diff from main unit to from main unit to the first manifold the first manifold Main unit is Super DC on top Inverter Modular Main unit is below Distance from indoor units to three way valve Table 11 Distance from indoor units to three way valve on r 1 1 5HP 1 5 2 HP 2 3 HP 3 5 HP Max m length Max height m Max Number of elbows piece 7 Protection of tubing welding pipes sealing for keeping pressure heat preservation and disposal A Protection of refrigerant pipes 1 Transition and Layout of tubing When transiting the tubing in the construction field please keep the tubing from being out of shape and take some measures on both ends of the tubing to prevent the dirt or rainwater from entering into The tubing are placed on the special frames or table boards and kept in the appointed place Refer to Fig 5 2 Tighten the end cover am Maintenance with the frame Maintenance on the table board Fig 52 The layout sketch map of the refrigerant tubing Please wrap the end of each duct with the end cover and Tightening is the best e
57. on the ceiling for the field with the ceiling and as for the dimension of ceiling opening please refer to the installation paper model Please collocate all pipes refrigerant pipe and drain pipe connected with the indoor unit and wires which are connected with the indoor unit and outdoor unit before installing the main body When making the ceiling opening it may need to fasten the support of the ceiling to keep the ceiling level and void of vibration As for the detail please consult the building contractor b Install the suspension screw The model of bolt is W 3 8 M10 Refer to Fig 1 3 In order to support the main body anchor bolts is adopted for the old ceiling as for the new ceiling it adopts embedded bolts or buried bolts or other parts provided on the site Please adjust the distance between the suspension screw and the ceiling Unit mm Installation example Anchor bolt Long nut or screw apparatus Suspension screw 2222 eL Ceiling NOTE all parts above are provided at the installation site Fig 1 3 Installation sketch map of the suspension screw for the ceiling cassette unit C The site with new ceiling Temporarily install the indoor unit Attach the suspension bracket to the suspension screw and then fasten the bracket with nuts and washers Besides Washer Locating Board is used to prevent the washer falling off As for the dimension of ceiling opening please refer to Mo
58. onding spec Table of outdoor units As for Distribution Three way Valve on the side of liquid pipes the type is decided by system capacities Please refer to 2 Introduction of Bifurcated Pipes NOTE When welding charge some Nitrogen gas into the pipes 4 Installation of low pressure gas pipes Inthe three module system the installation of low pressure gas pipes are referred to the installation drawing above and the spec Of the main pipe on side of gas pipe is referred to Table of the spec Of Main Pipes from Installation of Main Pipes Connection pipes of outdoor units on side of gas pipes is connected by welding with the low pressure ball valve of outdoor module and the diameters of these pipes are referred to Diameters of Outdoor Connection Pipes refer to the corresponding spec Table of outdoor units As for Distribution Three way Valve on the side of gas pipes the type is decided by system capacities Please refer to 2 Introduction of Bifurcated Pipes NOTE When welding charge some Nitrogen gas into the pipes and wrapping ball valves with wet cloth to keep the temperature of them lower than 1 2 0 C 4 Installation of main pipes A Diameter selecting of main pipes The main pipe is just the part duct from the first bifurcation outside to the first bifurcation inside Diameters of main pipes are related to the total capacity of the system please refer to the following
59. oor units the more the capacity is the bigger the diameter is please refer to Table 8 Table 8 Spec Of indoor tubing Note The tubing spec of 100Q 112Q and 12 5 15 separately 619 05 69 52 When the model is adopted take the tubing spec of indoor units 35 B Pipeline connection of indoor units 1 When designing for installing indoor units it is better to set the indoor groupware with the total capacity of indoor units of 8 HP 10 HP or 1 2 HP see Fig 5 0 This combination is not only convenient for installing three way valves but also easy for maintaining and controlling indoor units Besides it also reduces the diameter change 2 When connecting indoor pipes it adopts several types of three way valves the spec And using method of which is referred to corresponding contents introduced before As for the connection of high pressure liquid pipes there are three types of three way valve High pressure bifurcated pipe subassembly refer to Fig 4 0 High pressure bifurcation Y type three way valve with the capacity of 1 8 2 4 HP refer to Fig 4 2 and High pressure bifurcation Y tyep three way valve with the capacity of 26 4 8 HP refer to Fig 4 4 The High pressure bifurcated pipe subassembly is attached to indoor units and no need purchasing As for the connection of low pressure gas pipes there are four types of three way valve Return air bifurcated pipe subassembly r
60. ote controllers of indoor units and its Operation Instruction Manual Wire controllers of indoor units and its Operation Instruction Manual Pipeline collocation drawing of air conditioning system Debugging record tables 65 TECHNOCLIMATICA TEL 0030 210 9537720 FAX 0030 210 9537722 main technoclimatica gr www technoclimatica gr
61. please widen its cross section area accordingly at the same in order to keep its voltage change within 2 96 C As for the unit with 8 HP 1 0 HP or 1 2 HP the cross section area of the branch power wire is 6 mm As for the unit with 1 4 HP or 1 6 HP the cross section area of the branch power wire is 1 0 mm Power wires of all units with the same phase are collected with the amphenol connector of the special leakage breaker NOTE The cross section areaz of power wires in the above table are just for a referrer please ask the professional to select and install power wires to guarantee the safety of the equipment property and people 0 The power wiring readjustment and installation design of the outdoor fan Each outdoor unit of Super DC Inverter Module Unit will collocate one or two outdoor fan the maximum power output of which is about 11 0 0 W All fan motors are connected with the terminal connector L 1 of the outdoor power with 2 2 0 Vac The details can refer to the electric wiring diagram As for the system with more than three sets of outdoor units if all terminal connector L 1 are connected with the A phase total power it will lead the three phases of the total power go wrong The voltage of A phase are lower than that of other phases so that the system can not work well Therefore it needs to adjust the phase sequence of the total power to keep three phases are in the balance after wiring the power wires
62. r board please keep the surface coarse and then clean and wet it after all of these works make the concrete foundation seat 4 The mix ratio of the concrete is 1 2 4 if necessary embed some set size and quantitative anchor bolts Finally keep the surface of the basic platform smooth 5 The surface of the concrete foundation platform should have the waterproof disposal and around of it we should have a drip through and the gradient is more than 0 5 C and it points to outfall 6 Until the concrete foundation is fully dry you can install the unit 7 Inorder to run the unit quietly and avoid the noise and vibration affect the building where the unit is located at there should keep a separate layer for vibration proof between the base of the unit and foundation then keep the unit level when installing 8 To avoid units distortion and even rupture which is caused in displacement of the unit run for a long time or result from the earthquake or typhoon you should take some measures to fix the unit at the restrict position 9 The length of the foundation is the length of the unit added 5 0 0 mm and the width is the width of the unit added 400 As for the detail please refer to Fig 4 unit mm Bolt buried in advan ce Ground s CLITA 7v Bolt Nut ors Unitbase LA Soil Anti vibrat ion pad lt lt eati f Iron plate i f M i hole 075041 5 4 i
63. re referred to the installation drawing above and the spec Of the main pipe on side of gas pipe is referred to Table of the spec Of Main Pipes from Installation of Main Pipes Connection pipes of outdoor units on side of gas pipes is connected by welding with the low pressure ball valve of outdoor module and the diameters of these pipes are referred to Diameters of Outdoor Connection Pipes refer to the corresponding spec Table of outdoor units As for Distribution Three way Valve on the side of gas pipes the type is decided by system capacities Please refer to 2 Introduction of Bifurcated Pipes NOTE Before welding charge some Nitrogen gas into the pipes When welding Wrapping ball valves with wet cloth or cooling ball valves to keep the temperature of them lower than 1 2 0 C 30 C As for three modules system The installation drawing is as Fig 4 7 uigjs s sejnpoui a88Juj y jo Gulmesp p 614 spun joopur ojur Buruico ey PES gi esiwueujo Jeng SeA EA ge deey z ey woy eq Aew uaru sed Ay j28jes oj uonipuoo jenj2e BY oj speeu y JO S v18118j81 E JSN si ur GAJEA HEWY edd 91
64. refer to Fig 7 3 Separately cd heet to the corre terminal platfdrm A B and G of ti communicatidn wires Outdoor main machine 1 Outdoor secondary machine 2 OUtdoor secondary machite Fig 7 3 The communication wires wiring drawing of indoor units and outdoor units 55 NOTE a gt iin a When wiring the communication E of outdoor t its do not connect them with each other otherwise it will lead the unit out of work The communication wires of indoor units and outdo 2s outdoor main machine Besides if power wires afid signal wires are in pa box and keep them with a prop ong power wires less than 10A t is amis 500 mm 4 Address setting of As for Super DQ dr Unt of 1 units running ih parallel is three and it needs to set the cq its The address di y ed on the main electric control board of outdoor units the Outdoor addres 5 Ip g switch with two numbers 0 means the dialing switch at ans position Combining 0 and 1 can make four states Y y XY NOTE In one system there is only a main machine with 0 0 address code and all communication lines connecting indoor units and outdoor units are connected to the main machine Otherwise the system will go wrong Setting method of ouldoor module amount dialing codes 00 01 and 02 mean that the amount of outdoor modules is separately
65. rts of indoor units have been 44 sealed with adhesive tapes to prevent dirts from entering 6 Flush the steps are D Block the mouth of the main gas pipe with insulating material in hand When the pressure is too high to block the mouth take it away quickly for the first flushing And block the mouth again for the second flushing see Fig 6 3 Pressure 5 Kg cm 2 2 SS Wood block Insulating material Fig 6 3 Flushing sketch map for refrigerant pipes 8 In flushing place a cloth on the port If you find the cloth wet please dry the pipe completely by following steps below Purge the inside of pipes with Nitrogen gas until the cloth no longer becomes wet Carry on vacuum drying operation the details are referred to Vacuum Drying of Refrigerant Pipes 7 Turn off the main valve of Nitrogen cylinder 8 Carry on the operations above for Indoor units 9 After flushing liquid pipes flush gas pipes with the same method F Air Tightness Test for Refrigerant Pipes 1 Operation steps Please do air tightness test by following steps below After connecting indoor tubing connect the high pressure tubing with the gauge port and then weld them refer to Fig 6 4 Connect the low pressure tubing with the gauge port and then weld them refer to Fig 6 4 Charge some Nitrogen gas from gauge ports of low pressure meter and high pressure pipes and then do the air tightness
66. rwoven type shield wires with two cores instead of other wires to keep the system run well 1 The wiring of indoor communication wires A All communication wires of indoor units and outdoor units are connected with the outdoor main machine Besides they adopt the interwoven type shield wires with two cores which is polarity and the cross section area is no less than 1 0 Please connect those communication wires the details refer to Fig 7 2 LINED fool BB IC ABTS Separately connect to the corresponding terminal platform G of the outdoor main machine The shield wires are connected with the corresponding terminal platform G of each unit and the wires can not contact the metal or any other terminal otherwise it will lead the system communication out of work 4 Indoor unit Fig 7 2 The communication wires wiring drawing of indoor units and outdoor units B Adopting 4 8 5 Polarity communication the farthest distance of the communication between indoor units and outdoor units is 1 0 0 0 m and the maximum amount of communicating indoor units is 5 O 2 The wiring of outdoor communication wires A Adopting 4 8 5 Polarity communication communication wires of indoor units and outdoor units adopt the interwoven type shield wires with two cores and its the cross section area is no less than 1 0 mm Please connect those communication wires the details
67. see Fig 55 2 Dirts or water enter into it Lie wir x AA 7 22 Cover Fig 5 5 Nozzle protection sketch map of the tubing 40 When the copper pipe gets through the wall please seal the nozzle of the pipe see Fig 56 wall wall Sheath or plastic sack The sand enters into the pipe Rubber sleeve flex Fig 5 6 Protection sketch map of the tubing for getting through the wall Neither place the tubing on the ground nor make the tubing clashing with the ground see Fig 57 7 Not clash with the ground Ground Ground Sheath or plastic sack Entering into the pipe f Rubber sleeve Fig 5 7 It is not allowed for the tubing to get clashing with the ground directly When polishing the cut of the tubing keep the cut down Q n rainy day seal the nozzle and then carry on other operations refer to Fig 58 Rubber sleeve i The rain enters into the pipe vA XxX Fig 5 8 Seal the nozzle before carrying on other operations in rainy day Welding the pipeline 1 Keep the pipe horizontal or downward when welding it is better to avoid of reverse welding refer to Fig 5 9 Braze welding Horizontal Braze welding Braze welding Downward Upward Fig 5 9 Welding sketch map 41 2 Pay attention to the assemblage direction and angle of liquid pipes and gas pipes in order to avoid of oil reflux or accumulation 3
68. stallation sketch map of the panai below the details are Padlock _ pe D geren Fig 1 6 Installation order of the panel for Ceiling Cassette Unit Install the panel on the indoor unit temporarily hang the padlock on the hanger of indoor unit opposed to swing motor in decorated panel Not engulf the wire of swing motor into the sealing material Hang other two padlocks on the hanger of indoor unit Not engulf the wire of swing motor into the sealing material Wring four hex head screws under the pothook into about 5 mm The panel will rise with it Adjust the decorated panel along the arrowhead direction to cover the ceiling hatch completely see Fig 1 7 Wring screws to compress the thickness of sealing material between the decorated panel and the indoor unit to 5 8 mm see Fig 17 13 Indoor unit Air outlet Ceiling material Sealing material 5 8mm _ Decorated panel Fig 17 The sketch map of the space among the panel of Ceiling Cassette and the main body NOTE Keep the panel level or else it will cause many problems the details refer to the following figure Installing screws improperly it will cause the fault in the following figure user should screw down screws again to regulated requirement Leak gas Gas leaks from ceili te amp RENTE ee Prr ee m 8 gt Pollution Water bubble condenses e water bubble drips I
69. t a c P L o SA c lt 0 Q z 20 2 m gt 400 Charging more refrigerant Vacuum kept test one hour Vacuum drying 2 hours Fig 6 7 Common Vacuum Drying sketch map 49 Ellcotria NOTE a Please combine the wiring system of indoor unit and outdoor unit with the refrigerant tubing system for one system b Conform to the corresponding state electrical standard 1 The summary of Electrical System Electrical System referred to is just the electric control system of the air conditioner As for the electrical system of Chigo Super DC Inverter Module Unit it mainly includes the following systems Outdoor unit power system indoor unit power system communicating system for indoor units and outdoor units communicating system for outdoor modules inside electric system and control system of outdoor units indoor electric control system of indoor units and the user operating system such as the wire controller central controller and so on As for the electrical installation it also includes the installations of those systems above And now we will make a detailed instruction for the electrical installation 2 Wiring the power wire Wiring the power wires includes wiring power wires of outdoor units wiring power wires of indoor units please pay attention to those items during wiring power wires Please adopt the special powers of indoor un
70. t of indoo Mei ba M Rd unit and of outdoor unit Total return air duct At the position of 1 6 2 6 3 6 Total out liquid duct 5 90 lt L lt 100 4 6 and5 6of the horizontal duct of indoor unit and of outdoor unit Total return air duct 5 1 1 22 At the position of 1 4 2 4 and Total out liquid duct 3 70 lt L lt 80 3 4 of the horizontal duct of indoo unit and of outdoor unit Total return air duct 3 4 4 The detailed installation sketch figure refer to Fig 49 60m Indoor unit Indoor unit Indoor unit Liquid pipe Module unit Outdoor units Return oil pipe Indoor unit Indoor unit Indoor unit Fig 4 9 Design drawing of return oil elbows Upright Direction 9 Itis best to set the diameter of return oil from 1 00to 200 mm 4 The return oil elbow can be made by yourself or purchased from our company 5 Installation of the indoor tubing Among indoor units and outdoor units of DC Inverter Modular there is only one set of high pressure liquid pipes and low pressure gas pipes so the pipe connection of indoor units and outdoor units includes the connection of high pressure liquid pipes and the connection of low pressure gas pipes The followings introduce the diameter selection of tubing the selection of three way valves and different diameters design A Diameter selection of indoor tubing The diameter of indoor tubing is decided by the capacity of lower ind
71. unting Pad the center of the opening is marked on the paper model as for the detail please consult the building contractor or carpenter The center of the unit however is marked on the scutcheon attached to the unit and Mounting Pad Besides fix Mounting Pad on the unit with three Screws and on the corners of the waterspout at the pipe outlet fasten the waterspout with Screws After installing the ceiling adjust the unit to the right position Check whether the unit is level 11 The indoor unit is collocated with the built in drain pump and floater switch so it needs to check whether the unit is level with the level meter or the polythene tubing filled with water If the unit inclines the direction opposing to the condensate current it will lead the floater switch out of work and then the water drop will be produced Unpack down Washer Locating Board and then screw down nuts Unpack down Mounting Pad 4 The site with the old ceiling Temporarily install the indoor unit Attach the suspension bracket to the suspension screw and then fasten the bracket with nuts and washers Besides Washer Locating Board is used to prevent pillow falling off Adjust the height and position of the unit Carry out the forth step and the fifth step in the The site with the new ceiling Nut provide at field Washer accessory Insert Suspension bracket Washer Locating Board
72. use a short anti fire canvas hose then make the 8 iron folding shape which can be adjusted freely according with the height of ceiling The dimension of the pipe should be consistent with fan coil air outlet The length of rectangle blast pipe is shorter than 1 m which can ensure the supply volume NOTE The distance recommended between the wall and the edge of the return vent pipe is more than 1 50mm 1 Return Air Shutter 2 Air tube made of fireproof canvas 3 Return vent pipe 4 Indoor unit 5 Wooden screw 6 Rivet Fig 2 8 Installation sketch map of the return vent pipe 18 Heat preservation of air tubes There are heat insulation layers on blast tubes and return vent tubes the heat insulation material includes rubber PE cotton and glass cotton As for the rubber PE cotton wipe up the outer of air tube first then affix PE heat insulation material with corresponding glue water As for the glass cotton affix glue nail to air duct prior to attach insulation cotton with a layer of foil paper and then cover with glue nail sealing the joints with foil adhesive tape at last The detail information refers to Fig 2 9 Air tube seer ee a preservation laver Fastening clips refer to the following figur teel washer 30 with the same thickness as Heat preservation laver Fastening point sketch figure of fastening clip Blended paint Glass screen Pitch mortar Black she
73. use the humidity of the room is quite large the condensate may be produced on the surface of the section of drainage hose the room Fig 3 4 Installation of the condensate pipe for Wall mounted Type 4 Packaged air conditioner Installation requirement of the condensate pipe for Packaged air conditioner is as follows QD If the condensate pipe needs to adopt the heat insulated pipe with good heat insulated performance the thickness of which is more than 1 2 mm part of drainage hose in the room needs to be wrapped with heat insulated material to avoid of condensing Usually the condensate pipe adopts the tubing accessory of CHIGO 22 Col ocate the pipeline 1 Introduce to how to dominate the tubing It s convenient for uniform domination of tubing the details refer to Table 4 and Fig 3 5 Table 4 Domination of tubing Name of tubing The connection position of tubing Main pipe The section of the tubing from the outdoor unit to the 1 first manifold of the room Main tubi The section of the tubing from the first manifold of Indoor aln tuomg the room to ones not connecting with indoor unit 2 tubing Branched tubing The section of the tubing from the first manifold of the room to ones connecting with indoor unit The tubing of the The section of the tubing among outdoor modules outdoor unit 1 4 LN 2 e A n 3 2 HRAL 2 A 5 hi
74. valves 1 Three way valve of the outdoor unit As for the single module it needs no three way valve 2 Three way valve of the indoor unit Total return air manifold 24 Fig 3 8 Total return air manifold Total return air manifold can converge the return air of two indoor units that is insert Total return air pipe of two indoor unit into 1 Pipe separately then converge them then go into Low pressure Gas Pipe through 2 i Pipe The manifold comes with the indoor machine there is no need to purchase any NOTE When installing the manifold keep it level otherwise it will lead the refrigerant coming into indoor units uneven which does bad effect to the cooling or heating effect of the system 2 Return air manifold Fig 3 9 Return air manifold Return air manifold is used for connecting with Low pressure gas pipe of the lower indoor units The manifold adopts different caliber design so according to different calibers of gas outlet pipes of each indoor unit incise the corresponding caliber of 1 d Pipe with the pipe cutter insert the gas outlet pipe into 1 Pipe and weld them 2 Pipe and 3 5 Pipe are used for connecting other indoor units or connection pipes NOTE When installing the manifold keep it level otherwise it will lead the refrigerant coming into indoor units uneven which does bad effect to the cooling or heating effect of the system 25 High pressure
75. vertical pipe sleeve and rooftop pipe sleeve fasten the tag marking the system name which will avoid of wrong connections for such many refrigerant pipes E Flush the refrigerant pipe After welding refrigerant pipes flush them with the pressure gas to clear the dust inside the pipe There are three functions of flushing can get rid of oxide bubbles in the copper pipe when there is not enough Nitrogen gas can get rid of dirts and humidity in the pipe when the seal cover of the pipe is not sealed well can check whether pipes connection of outdoor units and indoor units are OK liquid pipes and gas pipes There are following steps for flushing the equipment connection is referred to Fig 6 2 1 Fit the pressure regulator on the Nitrogen cylinder Only Nitrogen gas is adopted If it adopts Teflon or Carbon Dioxide the system may condense If it adopts Oxygen the explosion may happen 2 Connect the inlet of outdoor liquid pipe on the regulator with the charging pipe Liquid pipe Gas pipe Outdoor unit Liquid pipe Fig 6 2 Equipment connection sketch map when flushing refrigerant pipes 3 Stop up all ports of liquid copper pipes of indoor units except Indoor unit A with blind plugs 4 Turn on Nitrogen cylinder to adjust the reading pressure of the pressure regulator to 5 kgf cm 5 Check whether Nitrogen gas flows through the liquid pipe of Indoor unit A The po
76. wing motor be not trapped between the indoor unit and the decoration panel Indoor unit decoration panel sei Connection show figure differ from actual condition Fig 2 1 Wire connection between the main body and the panel 5 Install the return grille and capping Please follow Fig 2 2 to install them 15 D Install the return grille Fix the capping on the corner The step is opposed with the step of Install the cover to Preparation for decoration panel Turn It is shown as the following the return grille there are four directions figure fasten the line of capping the panel refer to the at all It can change installation direction if it needs to adjust that of the return to the pin of decoration panel figure below grille or user puts forward requirement Never engulf the lead of swing baffle motor when installing the return grille capping into the corresponding oles on decorated panel before installing the capping Fig 2 2 Installation of the return grille and capping 6 After screwing bolts if there are also slits between ceiling and panel you must readjust the height of indoor unit refer to the above figure of Fig 2 3 If the position of indoor units and drain duct can be adjusted freely you can adjust the height of indoor unit through the opening at the corner of the panel D Hang the air inlet grille to the panel first then connect the down lead
77. ystem ERE EIE EMITE M Geet are oy ee 1 a Fa 7 1 Main line gt 380V i Leo _ Kd i i Le Fe Lie Fd i 1 L1 red t 1 Outdoor unit i i 4 Outdoor unit i m N Outdoor unit H black H black 4 black 371 1 r5 I 8 8 L2 yellow H 12 elo 1 12 yelon 12 yelow Tired 2 Outdoor unit 1 red H 5 Outdoor unit 1 Outdoor i 1 L3 blue a MEE 8 8 i N black L3 blue i L3 ue L3 ue Ki aci ed ed ed 3 Outdoor unit 6 Outdoor unit IN 2 Outdoor un i a i a a ae i de im i 1 LlIlll J E 4 S J Fig 6 9 The power wiring readjustment drawing of the outdoor fan 2 Wiring the power wire of indoor units A All indoor units in the same module share the power source which is means that they are powered or cut off at the same The details can refer to Fig 7 0 B If there are many indoor units or if the system is collocated with the auxiliary electric heater once all indoor units are connected with one phase wire it will lead the three phases of the whole power out of balance so that the system breaks down In this case it needs to adopt three power and keep ea
78. ystem 2 Three way valve of the indoor unit On the trunk duct of indoor units there are Low pressure manifold with the capacity of 2 6 48H High pressure manifold with the capacity of 26 48H Y type three way of the low pressure manifold with the capacity of 8 24 H Y type three way valve of the with the high pressure manifold capacity of 8 2 4 H On the branched pipe however it adopts Total return air manifold refer to Fig 3 8 Return air manifold refer to Fig 3 9 and High pressure manifold And among of these three manifolds on the branch pipe the former is attached to the outdoor the others are attached to the indoor unit NOTE When installing the manifold keep it level otherwise it will lead the refrigerant coming into indoor units uneven which does bad effect to the cooling or heating effect of the system 28 3 Install the tubing of outdoor units The installation of the tubing of outdoor units is related to the number of outdoor modules the details are as follows A As for the single module system The tubing installation drawing of the single module system is referred to Fig 45 NOTE 1 Oil balanced shut off valve 2 Gas balanced ball valve 3 Low pressure ball valve 4 High presure ball valve t iti Trunk duct Liquid pipe side 2 S Trunk duct gas pipe side The model for the single machine type The model

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