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S4179544

8. HOW TO PROCESS TUBING

The narrow tubing side is connected by flare, and the

wide tubing side is connected by brazing.

8-1. Connecting Narrow Tubing Side

Using of the Flaring Method

Many of the conventional split system air conditioners

employ the flaring method to connect refrigerant tubes

which run between indoor and outdoor units. In this

method, the copper tubes are flared at each end and

connected with flare nuts.

Flaring Procedure with a Flare Tool

(1)

Cut the copper tube to the required length with a

tube cutter. It is recommended to cut about 30 —

50 cm longer than the tubing length you estimate.

(2)

Remove burrs at the end of the copper tube with

a tube reamer or file. This process is important

and should be done carefully to make a good

flare. (Fig. 8-1)

When reaming, hold the tube end downward and be

sure that no copper scraps fall into the tube.

(Fig. 8-2)

(3)

Remove the flare nut from the unit and mount it

on the copper tube.

(4)

Make a flare at the end of copper tube with a flare

tool.* (Fig. 8-3)

*Use “RIGID” or equivalent.

A good flare should have the following characteristics:

●

inside surface is glossy and smooth.

●

edge is smooth.

●

tapered sides are of uniform length.

NOTE

Before

After

Deburring

0126_M_I

Copper
tubing

Reamer

0127_M_I

Flare nut

Copper
tubing

Flare tool

0128_M_I

NOTE

Fig. 8-1

Fig. 8-2

Fig. 8-3

Содержание SPW - 483GY8

Страница 1: ... SPW AS123GH56 SPW S123GH56 SPW X123GH56 SPW K123GH56 SPW U123GH56 SPW F123GH56 SPW FM123GH56 9 SPW AS93GH56 SPW S93GH56 SPW K93GH56 SPW U93GH56 SPW F93GH56 SPW FM93GH56 1 1 1 1 1 AS 3 3 3 3 3 X 4 4 4 4 4 K 5 5 5 5 5 T 6 6 6 6 6 U 7 7 7 7 7 D 9 9 9 9 9 FM 0 0 0 0 0 C RC WT 2 2 2 2 2 S 8 8 8 8 8 F RCS SH80TG Optional part TM WBG Optional part 85464179544002 SANYO 1996 1998 SANYO EIectric Co Ltd Osa...

Страница 2: ...uce strain on your back Sharp edges or thin aluminum fins on the air conditioner can cut your fingers Important CAUTION When Installing In a Room Properly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage to walls and floors In Moist or Uneven Locations Use a raised concrete pad or concrete blocks to provide a solid level foundation for the outdoor ...

Страница 3: ...leaks out its density does not reach the limit and in the event of an emergency measures can be made before injury can occur In a room where the density may exceed the limit create an opening with adjacent rooms or install mechanical ventilation combined with a gas leak detection device The density is as given below Total amount of refrigerant kg Min volume of the indoor unit installed room m3 Den...

Страница 4: ...stalling the Drain Piping 3 39 Installing the Remote Controller CONTENTS IMPORTANT Please Read Before Starting Check of Density Limit 1 GENERAL 4 1 1 Tools Required for Installation Not Supplied 1 2 Accessories Supplied with Unit 1 3 Type of Copper Tube and Insulation Material 1 4 Additional Materials Required for Installation 1 5 Tubing Length 1 6 Tubing Size 1 7 Straight Equivalent Length of Joi...

Страница 5: ...de 8 2 Connecting Wide Tubing Side 8 3 Connecting Tubing between Indoor and Outdoor Units 8 4 Insulating the Refrigerant Tubing 8 5 Taping the Tubes 8 6 Finishing the Installation 9 AIR PURGING 75 10 HOW TO INSTALL THE CEILING PANEL 78 1 Way Air Discharge Semi Concealed Type AS Type 78 10 1 Installing the Ceiling Panel 10 2 How to Use the Stoppers 2 Way Air Discharge Semi Concealed Type S Type 79 ...

Страница 6: ...ed for Installation Not Supplied 1 Standard screwdriver 2 Phillips head screwdriver 3 Knife or wire stripper 4 Tape measure 5 Level 6 Sabre saw or key hole saw 7 Hacksaw 8 Core bits 9 Hammer 10 Drill 11 Tube cutter 12 Tube flaring tool 13 Torque wrench 14 Adjustable wrench 15 Reamer for deburring 1 2 Accessories Supplied with Unit See Table 1 1 to 1 9 Table Type 1 1 1 Way Air Discharge Semi Concea...

Страница 7: ...2 Clamp large 2 Drain hose 1 Installation gauge 1 White Black For determining suspension bolt pitch For wide and narrow tubes For wide and narrow tube flare nuts For flare insulator For securing drain hose For drain joint For drain joint For packing drain joint For drain joint insulating For sizing up of narrow tube from 6 35 to 9 52 Only for 25 type For determining suspension bolt pitch For test ...

Страница 8: ...t position For wide tube flare nuts For securing drain hose For drain joint For drain joint For sealing recessed portion of power supply For sizing up of narrow tube from 6 35 to 9 52 only for 25 type Table 1 4 Wall Mounted Part Name Figure Q ty Remarks Rawl plug 10 Plastic cover 1 Tapping screw 10 For fixing the rear panel For improved tubing appearance For fixing the rear panel For temporarily s...

Страница 9: ...ial washer 8 Flare insulator 2 Drain socket 1 Tube connector 1 For suspending indoor unit from ceiling For wide and narrow tubes For drain pipe connection For sizing up of narrow tube from 6 35 to 9 52 only for 25 type Table 1 8 Floor Standing Concealed Floor Standing Part Name Figure Q ty Remarks Connection Pipe 1 Flare Insulator 2 Insulating Tape 2 Insulating Tape 2 Vinyl clamp 7 Insulating Tape...

Страница 10: ...nstalled lower than indoor unit 30 30 H2 Max difference between indoor units 15 15 Allowable length of L3 Max tubing length between the first T joint header tube and terminated weld shut end point 2 2 1 5 Tubing Length Refrigerant tubing between the indoor and outdoor units should be kept as short as possible Installation Example 1 Installation Example 2 0006_M_I L1 L2 L4 LB 3 1 2 H1 H2 LA Select ...

Страница 11: ...Equivalent length conversion not needed Less than 7 3 25 000 Q 7 3 15 88 5 8 or 19 05 3 4 9 52 3 8 70 type 25 4 1 12 7 1 2 48 type 19 05 3 4 9 52 3 8 90 type 28 58 1 1 8 12 7 1 2 More than 22 4 76 400 Q 22 4 28 58 1 1 8 12 7 1 2 1 6 Tubing Size Table 1 11 Main Tubing Size LA LB LC Main tube LA O D Main tube LB LC OD Outdoor unit Total cooling capacity Q kw BTU h of the unit s after the main tube U...

Страница 12: ...on port to each indoor unit must be upward 15 to 30 when the main tube is horizontal and can be in any direction but the branch tube must be upward when the main tube is vertical L3 indicates tubing which is 2 m or less and connected by a T joint Make sure that the end point is solidly welded shut Also pay attention to the insertion distance of each connection tube so refrigerant flow inside the T...

Страница 13: ...5 type 36 type 48 type Wide tube 12 7 1 2 15 88 5 8 19 05 3 4 Narrow tube 9 52 3 8 NOTE For the 25 type use the Tube connector supplied with the unit for sizing up a narrow tube from 6 35 to 9 52 Table 1 16 Dimensions of connections shows the inner diameter of tubing Position A B C D E F G Size ø28 58 ø25 4 ø19 05 ø15 88 ø12 7 ø9 52 ø6 35 Unit mm 83 185 GF E FG E E F G 0016_M_I APR HV63MB1 Wide tu...

Страница 14: ...additional charge per 1m of narrow tube size Table 1 18 Additional Refrigerant Charge Total cooling capacity of the Wide tube Narrow tube 1Tubing 2 Additional 1 X 2 unit after the distribution joint length refrigerant Main tube A 7 3 3 6 2 8 5 6 10 6 28 58 1 1 8 12 7 1 2 30 m 125 g m 3 750 g 29 9 kw B 7 3 3 6 2 8 13 7 kw 19 05 3 4 9 52 3 8 5 m 75 g m 375 g C 3 6 2 8 6 4 kw 15 88 5 8 9 52 3 8 10 m ...

Страница 15: ...unrestricted air flow around the unit install the unit within the maximum elevation difference above or below the outdoor unit and within a total tubing length from the outdoor unit as detailed in Table 1 10 allow room for mounting the remote controller about 1m off the floor in an area that is not in direct sunlight nor in the flow of cool air from the indoor unit NOTE Air delivery will be degrad...

Страница 16: ...amage and decreased service life use anchor bolts or equal to bolt down the unit reducing vibration and noise Fig 2 3 Unit spacing if air discharge chamber is not used Unit spacing when air discharge chamber is used Min 1m Min 1m Min 1 5m Min 30cm Min 3 5m Min 20cm Min 1 m Min 20 cm Min 1 m Min 35 cm Min 35 cm Min 30 cm Min 30 cm Air discharge chamber If you would like to make the separation small...

Страница 17: ...ns When Installing in Heavy Snow Areas 1 The platform should be higher than the maximum snow depth Fig 2 5 2 The two anchoring feet of the outdoor unit should be used for the platform and the platform should be installed beneath the air intake side of the outdoor unit 3 The platform foundation must be solid and the unit must be secured with anchor bolts 4 When installing on a roof subject to stron...

Страница 18: ...erence diagram for air discharge chamber field supply Reference diagram for snow proof vents field supply 567 300 131 592 1116 132 100 450 250 250 0794_AS_I 232 732 367 1236 500 450 130 1173 19 54 848 350 394 829 397 100 301 232 732 1204 20 0795_AS_I 646 444 46 ...

Страница 19: ...isions for anchor bolts platform height and other site specific installation requirements Do not do any wiring or tubing within 60 cm of the front panel because it is needed as a servicing space for the compressor Multiple Installation Refer to the above diagram when installing more than 1 unit Take into consideration nearby pedestrian walkways and ventilation requirements when installing Consult ...

Страница 20: ...nit against pos sible water damage and decreased service life Fig 2 12 Use anchor bolts or equivalent to bolt down the unit reducing vibration and noise 2 6 Shield for Horizontal Exhaust Discharge It is necessary for you to install an air discharge chamber field supply to direct exhaust from the fan horizontally if it is difficult to provide a minimum space of 2 m between the air discharge outlet ...

Страница 21: ... pressure may drop because of strong wind and the indoor unit may freeze 2 8 Precautions When Installing in Heavy Snow Areas a The platform should be higher than the maximum snow depth b The 2 anchoring feet of the outdoor unit should be used for the platform and the platform should be installed beneath the air intake side of the outdoor unit c The platform foundation must be solid and the unit mu...

Страница 22: ...1_AS_I 337 1517 1988 1098 890 Reference diagram for snow proof vents field supply 495 Front panel position of the outdoor unit 883 442 442 843 811 588 219 1329 883 450 0032_AS_I 337 1548 874 432 1988 1098 890 252 811 477 965 925 When the blow direction is set backward When the blow direction is set forward When the blow direction is set forward When the blow direction is set backward ...

Страница 23: ...ig 3 4 or Use existing ceiling supports or construct a suitable support as shown in Fig 3 5 It is important that you use extreme care in supporting the indoor unit from the ceiling Ensure that the ceiling is strong enough to support the weight of the unit Before hanging the unit test the strength of each attached suspension bolt 4 Cut the ceiling material if necessary Refer to Figs 3 2 and 3 3 Fig...

Страница 24: ...nit If the ceiling is already constructed lay the tubing into position for connection to the unit before placing the unit inside the ceiling 2 Thread the 2 hexagonal nuts and washers field supply onto the 4 suspension bolts as shown in Fig 3 7 Use 2 sets of nuts and washers upper and lower so that the unit will not fall off the suspension lugs 3 The distance between the unit and the opening of the...

Страница 25: ...ners 37 mm 2 corners Improper clearance can lead to poor mounting of the ceiling panel causing condensation and dripping Fig 3 10 3 3 Installing the Drain Piping 1 Prepare a standard hard PVC pipe O D 32 mm for the drain and use the supplied drain hose and hose band to prevent water leaks The PVC pipe must be purchased separately The transparent drain pipe allows you to check drainage Fig 3 11 Tig...

Страница 26: ...14 Do not install the pipe with an upward gradient from the connection port This will cause the drain water to flow backward and leak when the unit is not operating Fig 3 15 Do not apply force to the piping on the unit side when connecting the drain pipe The pipe should not be allowed to hang unsupported from its connection to the unit Fasten the pipe to a wall frame or other support as close to t...

Страница 27: ... connect it using the supplied clamp Fig 3 17 3 Pour water into the opening of the elbow up to the marked level Excess water will be prevented by a drainage hole 4 Short the check pin CN5 white on the indoor control board and operate the drain pump Check the water flow and see if there is any leakage Be careful since the fan will start when you short the pin on the indoor control board 5 Drainage ...

Страница 28: ...ed on the ceiling at the spot where you want to install the indoor unit Use a pencil to mark the drill holes Refer to Table 3 1 and Figs 3 18 to 3 20 Since the diagram is made of paper it may shrink or stretch because of high temperature or humidity For this reason before drilling the holes maintain the correct dimensions between the markings 2 Follow the diagrams to make the holes in the ceiling ...

Страница 29: ...nge of the unit should follow the dimensions given in Fig 3 24 Use the supplied installation gauge to check 3 7 Installing the Drain Piping 1 Prepare a standard hard PVC pipe O D 32 mm for the drain and use the supplied drain hose and hose band to prevent water leaks The PVC pipe must be purchased separately When doing this leave a gap between the drain socket of the unit and the PVC pipe to allow...

Страница 30: ...e connection port This will cause the drain water to flow backward and leak when the unit is not operating Fig 3 30 Do not apply force to the piping on the unit side when connecting the drain pipe The pipe should not be allowed to hang unsupported from its connection to the unit Fasten the pipe to a wall frame or other support as close to the unit as possible Fig 3 31 Provide insulation for any pi...

Страница 31: ...bout 1 200 cc of water into the drain pan to check the drainage 3 Short the check pin CN5 white on the indoor control board and operate the drain pump Check the water flow and see if there is any leakage Be careful since the fan will start when you short the pin on the indoor control board 4 When the check of drainage is complete open the check pin CN5 white and remount the tube cover Fig 3 32 To ...

Страница 32: ... Unit This unit uses a drain pump Use a carpenter s level to check that the unit is level 3 10 Preparation for Suspending 1 Fix the suspension bolts securely in the ceiling using the method shown in the diagrams Figs 3 33 and 3 34 by attaching them to the ceiling support structure or by any other method that ensures that the unit will be securely and safely suspended 2 Follow Fig 3 34 and Table 3 ...

Страница 33: ...e for a distance between the bottom of the bolt and the bottom of the ceiling of more than 60 mm as shown in Fig 3 36 3 Thread the 2 hexagonal nuts and washers field supply onto the 4 suspension bolts as shown in Fig 3 37 Use 2 sets of nuts and washers upper and lower so that the unit will not fall off the suspension lugs 4 Remove the protective cardboard used to protect the fan parts during trans...

Страница 34: ...can be raised a maximum of 25 cm Do not raise it any higher than 25 cm as this could result in water leaks Fig 3 41 Do not install the pipe with an upward gradient from the connection port This will cause the drain water to flow backward and leak when the unit is not operating Fig 3 42 Do not apply force to the piping on the unit side when connecting the drain pipe The pipe should not be allowed t...

Страница 35: ...pour about 1 200 cc of water into the drain pan to check drainage 3 Short the check pin CN5 white on the indoor control board and operate the drain pump Check the water flow and see if there is any leakage Be careful since the fan will start when you short the pin on the indoor control board 4 When the check of drainage is complete open the check pin CN5 white and remount the tube cover To mount t...

Страница 36: ...re also applicable if tubing goes through the wall in any other location 4 Using a sabre saw key hole saw or hole cutting drill attachment make a hole dia 80 mm in the wall Fig 3 48 5 Measure the thickness of the wall from the inside edge to the outside edge and cut the PVC pipe at a slight angle 6 mm shorter than the thickness of the wall Fig 3 49 Avoid areas where electrical wiring or conduits a...

Страница 37: ...en the wall and unit will cause noise and vibration b If the Wall is Brick Concrete or Similar Drill 4 8 mm dia holes in the wall Insert Rawl plugs for appropriate mounting screws Fig 3 53 3 17 Removing the Grille to Install the Indoor Unit For preventing the movement of the air deflector blades during transportation a protective gasket was mounted at the air outlet of the air conditioner Remove t...

Страница 38: ...rely seated on the rear panel 3 Carefully bend the tubing if necessary to run along the wall in the direction of the outdoor unit and then insulate to the end of the fittings The drain hose should come straight down the wall to a point where water runoff will not stain the wall 4 Connect the refrigerant tubing to the outdoor unit After performing a leak test on the connection insulate it with insu...

Страница 39: ...un in the room insulate the hose so that chilled condensation will not damage furniture or floors Fig 3 63 Foamed polyethylene or its equivalent is recommended Do not supply power to the unit or operate it until all tubing and wiring to the outdoor unit are completed Fig 3 62 Fig 3 63 0082_K_I Drain hose Slant Indoor unit 0083_K_I Condensation Insulation material locally purchased must be used ...

Страница 40: ... ceiling Ensure that the ceiling is strong enough to support the weight of the unit Before hanging the ceiling unit test the strength of each attached suspension bolt 4 Screw in the suspension bolts allowing them to protrude from the ceiling as shown in Fig 3 66 Distance A of each exposed bolt must be of equal length 5 Before suspending the indoor unit remove its air intake grille and service cove...

Страница 41: ...g 2 sets of special wash ers and hex nuts Use only 1 hexagonal nut for each bolt until final adjustment next step e Adjust all 4 sets of washers and hexagonal nuts so that the indoor unit is evenly suspended f Finish the suspension by adding 1 addi tional hexagonal nut to each suspension bolt Tighten these nuts tightly to prevent the upper nuts from loosening Fig 3 70 The ceiling surface is not al...

Страница 42: ...f the suspension procedure refer to steps 1 to 5 of Section 3 21 Suspending the Indoor Unit 5 Adjust the double hexagonal nuts to level the unit Then tighten the second hexagonal nut of each pair to permanently secure the unit In some cases the ceiling may not be consistently level leaving gaps between the indoor unit and the ceiling This can allow the entrance of humid air into the room and thus ...

Страница 43: ...ate any piping inside the room to prevent dripping Use the supplied drain pipe to connect the drain pipe with the drain outlet of the indoor unit After connecting the drain pipe securely wrap the supplied drain pipe insulator around the pipe seal the gap at the drain socket with the supplied black insulation tape then secure it with clamps Fig 3 80 After the drain piping pour water into the drain ...

Страница 44: ...5 150 4 992 900 46 290 310 1 050 1 130 240 45 150 6 1 422 1 350 36 335 315 1 480 1 560 280 60 150 9 250 590 Air outlet duct flange A Suspension bolt pitch Indoor Unit 250 Inspection access 450 450 650 Electrical component box Refrigerant tubing 400 0098_U_I 9 12 18 830 2 25 1 130 3 310 180 2 ø3 3 Hole 6 38 665 100 15 285 117 50 30 252 120 145 170 30 665 25 15 590 Suspension bolt pitch 40 50 79 450...

Страница 45: ...d and connected inside the ceiling when suspending the unit If the ceiling is already constructed lay the tubing into position for connection to the unit before placing the unit inside the ceiling 2 Screw in the suspension bolts allowing them to protrude from the ceiling as shown in Fig 3 83 Cut the ceiling material if necessary 3 Thread the 2 hexagonal nuts and washers field supply onto the 4 sus...

Страница 46: ... their locking nuts face upward Fig 3 88 2 After connecting the drain piping securely wrap the supplied packing and drain pipe insulator around the pipe then secure it with the supplied clamps Fig 3 89 Make sure the drain pipe has a downward gradient 1 100 or more and that there are no water traps Fig 3 87 Fig 3 88 Fig 3 89 Drain insulator supplied Clamps supplied 0046_X_I CAUTION NOTE Hose band s...

Страница 47: ...ess 0105_U_I Upward gradient 0106_U_I Support pieces 0107_U_I Fig 3 92 Fig 3 93 CAUTION CAUTION 3 28 Checking the Drainage After wiring and drain piping are completed use the following procedure to check that the water will drain smoothly For this prepare a bucket and wiping cloth to catch and wipe up spilled water 1 Connect power to the power terminal board L1 L2 terminal inside the electrical co...

Страница 48: ...rol are shown The nameplate values are shown based on the H air flow For the 25 type the air flow is 21 m3 minute while the external static pressure is 5 mmAq at H position If external static pressure is too great due to long extension of duct for example the air flow volume may drop too low at each air outlet This problem may be solved by increasing the fan speed as explained above 36 48 Type 12 ...

Страница 49: ...h Type Unit mm A 310 100 100 300 B 50 55 25 500 70 35 940 35 15 81 80 290 Suspension bolt pitch 130 23 C 55 0793_D_I 60 90 20 40 55 7 X 100 700 4 X 100 400 500 980 Suspension bolt pitch 4 ø20 Hole for suspension bolt Drain pan 793 940 48 46 16 ø3 2 Electric box 22 ø3 2 Hole for full circumference Hole for full circumference 274 100 1010 15 10 10 620 55 55 100 100 Refrigerant liquid line ø 9 52 or ...

Страница 50: ...ing to the dimensional data on the previous page Figs 3 96 3 97 Tubing must be laid and connected inside the ceiling when suspending the unit If the ceiling is already constructed lay the tubing into position for connection to the unit before placing the unit inside the ceiling 2 Screw in the suspension bolts allowing them to protrude from the ceiling as shown in Fig 3 98 Cut the ceiling material ...

Страница 51: ...ely wrap the insulator field supply around the pipe 3 Ensure the drain pipe has a downward gradient 1 100 or more and prepare traps as indicated in Fig 3 102 4 Also in another part of the pipe arrangement prepare traps with an inspection plug to clean dust which may cause leaking of water Fig 3 103 5 After the drain piping slowly pour water into the drain pan to check that the water drains smoothl...

Страница 52: ...f small pressure resistance for instance short duct install the damper for adjusting air flow volume as air flow volume air flow noise increases If the air conditioner is to be installed in a room such as an office or meeting room which needs a low sound level provide a supply and return noise absorption chamber with an acoustic liner Include the air filter field supply at the return duct ...

Страница 53: ...tening the indoor unit to the floor by screws 2 Air filter 3 Refrigerant connection outlet narrow tube 4 Refrigerant connection outlet wide tube 5 Level adjusting bolt 6 Drain outlet 20 A 7 Power cord outlet downward rear 8 Refrigerant tubing outlet downward rear 9 Location for mounting the remote controller remote controller is attachable in the room min 10 cm min 100 cm 0754_M_I min 10 cm min 10...

Страница 54: ...rigerant connection outlet wide tube 5 Level adjusting bolt 6 Drain outlet 20 A 7 Flange for the air outlet duct Wide tube Narrow tube 0756_M_I D 229 155 66 125 260 402 539 147 205 100 56 D A B C 166 374 147 30 30 70 616 46 Air outlet Internal dimension Air inlet Make an opening in the housing of the unit so that maintenance service can be peformed on the electric component box air filter refriger...

Страница 55: ... fixture attached to the panel How to attach the front panel 1 Hook the chain to the fixture of the front panel 2 Connect the lead wire connector 3 Align the slots at the lower part of the front panel to the tabs at the lower part of the indoor unit and put the upper trim tab of the front panel on the groove of the unit Then press down the panel 4 Insert the two screws at the lower part of the fro...

Страница 56: ...ll the clearance between the union insulator and flare insulator with black insulating tape Fasten both ends of the flare insulator with the supplied vinyl clamp CAUTION 0760_M_I Insulating tape Black Insulating tape White Flare insulator Insulator Flare nut Vinyl clamp Insulating tape 0759_M_I 167 1 7 7 Refrigerant tubing space for downward tubing Holes for fixing the unit to the floor Rear tube ...

Страница 57: ...mounted in the indoor unit floor standing type 1 Remove the cover of the optional wired remote controller Fig 3 113 2 Remove the front panel Remove the screws and fixture Fig 3 114 3 Place the remote controller into the space in the unit as shown in Fig 3 114 Assemble the lead wires of the remote controller to its rear side center and route them to the lead wire guide 4 Secure the fixture by the s...

Страница 58: ...o prevent damage use protective material such as cloth or cardboard at all points where the lifting rope or strap touches the unit Fig 4 1 4 2 Installing the Outdoor Unit 1 Install a block or a solid platform under the outdoor unit which provides a minimum height of 5 cm from ground level Fig 4 2 2 The outdoor unit must be bolted down tightly to the blocks or platform with 4 anchor bolts Fig 4 3 F...

Страница 59: ...with all relevant rules and regulations 8 To prevent malfunction of the air conditioner caused by electrical noise care must be taken when wiring as follows The remote control wiring and the inter unit control wiring should be wired apart from the inter unit power wiring Use shielded wires for inter unit control wiring between units and ground the shield on both sides 9 If the power supply cord of...

Страница 60: ...l board 0511_M_I R1R2 R3 1 2 U1 U2 R1 R2 R3 1 L 2 N 4 5 1 2 3 4 5 1 2 3 Power supply Inter unit control wiring Remote controller 5P terminal board 3P terminal board 0512_M_I 2 1 3 1 2 3 1 2 2 1 2 1 3 4 5 6 2 1 3 WHT RED Remote controller D BLK 2 1 3 2 1 3 1 2 3 1 2 2 1 3 1 2 3 1 2 2 1 3 1 2 3 1 2 2 1 3 WHT RED Remote controller Group control D BLK 2 1 3 2 1 3 WHT RED Remote controller D A E Indoor...

Страница 61: ...Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit Fig 5 1 3 Don t install the inter unit control wiring such as star branch wiring Star branch wiring causes mis address setting 4 If branching the inter unit control wiring the number of branch points should be 10 or less Branches less than 1 m are not included in the total branch number Fig 5 3 Fig 5 3 Outdoor unit Indoor unit Indoor unit...

Страница 62: ...w to connect wiring to the terminal and fasten the wire securely with the fixing screw of the terminal plate How to connect wiring to the terminal For stranded wiring 1 Cut the wire end with cutting pliers then strip the insulation to expose the stranded wiring about 10 mm and tightly twist the wire ends Fig 5 5 2 Using a Phillips head screwdriver remove the terminal screw s on the terminal plate ...

Страница 63: ... for the remote controller should be located in an accessible place for control Never cover the remote controller or recess it into the wall 1 When you open the decorative cover you will see two gaps under the remote controller Insert a coin into these gaps and pry off the back case Fig 6 2 6 1 When Using a Wall Box for Flush Mounting If local codes allow this remote controller can be mounted usin...

Страница 64: ... to each indoor unit Operation takes place successively at intervals of 1 second by using combinations of the address setting of each unit Diagram of outer dimensions 6 5 120 15 6 120 0162_M_I Shielded wire 0797_M_I ground ground 1 2 1 2 3 1 2 1 2 1 2 3 1 2 1 2 3 1 2 1 2 3 Ground earth Outdoor unit Indoor unit No 8 Indoor unit No 3 Indoor unit No 2 Indoor unit No 1 1 2 3 Group control Connection w...

Страница 65: ...oller To set up a sub remote controller turn its remote control address switch RCU ADR located on its PCB from OFF to ON OFF when shipped from factory Example 1 In the ECO multi system group control extending over tubing systems be comes impossible to set giving rise to indoor units which cannot operate While group 4 is in heating operation if later group 3 begins cooling operation indoor units 1 ...

Страница 66: ...one the main remote controller factory shipped state 2 On the other remote controller turn the address switch on the PCB from OFF to ON In this state it functions as a sub remote controller Basic wiring diagram Install wiring correctly incorrect wiring will damage the equipment To operate 1 indoor unit with 2 remote controllers set at different places Connection wiring for remote controller field ...

Страница 67: ...oltage drop Incorrect discharge gas temp of AC comp Improper wiring connections of ceiling panel Float switch is activated Protective device in indoor unit is activated Protective device in outdoor unit is activated Protective device in indoor unit is activated P1 P2 P3 P4 P5 P17 P9 P10 P14 Remote controller is detecting error signal from indoor unit Indoor unit is detecting error signal from outd...

Страница 68: ...m controller is transmitting incorrect signal System controller is detecting incorrect signal Protective device of the sub indoor unit is activated in group contorl Serial commu nication errors Mis setting Activation of protective device Possible Cause of Malfunction The following messages are displayed only for the system controller PC Power Control AC Standard comp Compressor temp Temperature NO...

Страница 69: ...imer Insert a coin into these gaps and remove the back case Figs 7 1 7 2 7 1 When Using a Wall Box for Flush Mounting If local codes allow this weekly timer can be mounted using a conventional wall box for flush mounting 2 Attach the back case with the 2 small screws provided Using a screwdriver push open the cut outs on the back case These holes are for screws Use the spacers and take care not to...

Страница 70: ...ove the collar and connect the suppplied connection wiring to the timer terminal 4P connector of the weekly timer Place the supplied connection wiring into the groove neatly and then refasten the collar 2 Pass the supplied connection wiring through the lead wire drawing out port on the bottom case of the weekly timer then run it behind the wall and connect it to the timer terminal 4P terminal of t...

Страница 71: ...state S004 S002 S003 CN031 8 1 off off short Connection wiring for group control 0807_M_I Group control Remote controller Remote controller Remote controller Remote controller Standard control Remote controller Main Remote controller less system Remote controller Sub Multiple remote control System controller Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit Indoor...

Страница 72: ...tion Weekly timer Remote controller Group control Standard control Group control 0808_M_I R C Main R C Sub Multiple remote control Connected with outdoor unit B Zone 2 Connected with outdoor unit A Zone 1 R C R C Main Sub R C R C Remote controller less system S004 S002 S003 CN031 4 1 off off short Outdoor unit B S004 S002 S003 CN031 4 2 off off open Indoor unit Indoor unit Indoor unit Indoor unit ...

Страница 73: ...o cut about 30 50 cm longer than the tubing length you estimate 2 Remove burrs at the end of the copper tube with a tube reamer or file This process is important and should be done carefully to make a good flare Fig 8 1 When reaming hold the tube end downward and be sure that no copper scraps fall into the tube Fig 8 2 3 Remove the flare nut from the unit and mount it on the copper tube 4 Make a f...

Страница 74: ... copper oxide film from forming during the brazing process Do not allow the tubing to get too hot during brazing The nitrogen gas inside the tubing may over heat causing refrigerant system valves to become damaged Therefore allow the tubing to cool between brazing 8 3 Connecting Tubing between Indoor and Outdoor Units 1 Tightly connect the indoor side refrigerant tubing extended from the wall with...

Страница 75: ...absorb moisture After a tube has been insu lated never try to bend it into a narrow curve because it can cause the tube to break or crack Important CAUTION Heat pump type Cooling only type CAUTION Insulator Thickness Min 8mm Narrow tube Wide tube 0133_C_I The procedures used for installing the insulator for both wide and narrow tube are the same Seal Flare insulator Vinyl clamp Insulation tape Ref...

Страница 76: ...tubing overlap half of each previous tape turn 3 Clamp the tubing bundle to the wall using 1 clamp about every meter Fig 8 10 Do not wind the armoring tape too tightly since this will decrease the heat insulation effect Also ensure that the condensation drain hose splits away from the bundle and drips clear of the unit and the tubing 8 6 Finishing the Installation After finishing insulating and ta...

Страница 77: ... narrow service valves on the outdoor unit Note that both narrow and wide tube service valves on the outdoor unit are kept closed at this stage Leak test 1 With the service valves on the outdoor unit closed remove the 1 4 in flare nut and its bonnet on the wide tube service valve Save for reuse 2 Attach a manifold valve with pressure gauges and dry nitrogen gas cylinder to this service port with c...

Страница 78: ... the manifold valve is open Then run the vacuum pump The operation time for evacuation varies with the tubing length and capacity of the pump The following table shows the amount of time for evacuation The required time in the above table is calculated based on the assumption that the ideal or target vacuum condition is around 10 mmHg abs 2 When the desired vacuum is reached close the Lo knob of t...

Страница 79: ...void gas from leaking when removing the charge hose make sure the stem of the wide tube is turned all the way out BACK SEAT position 3 Loosen the charge hose connected to the wide tube service port 1 4 in slightly to release the pressure then remove the hose 4 Replace the 1 4 in flare nut and its bonnet on the wide tube service port and fasten the flare nut securely with an adjustable wrench or bo...

Страница 80: ...ling panels are in line with those of the ceiling material If they are not in line remove the ceiling panel and finely adjust the suspension position of the unit 4 Once the joining edges are properly aligned with each other install the supplied stoppers into the key hole shaped openings then insert the 4 screws until the ceiling panel touches the flange surface of the unit 10 2 How to Use the Stop...

Страница 81: ... 2 Remove the air intake panel and the air filter from the ceiling panel as shown in Figs 10 3 and 10 4 Never touch or attempt to move the air direction louver by hand or you may damage the unit Instead use the remote controller if you want to change the direction of air flow How to remove the air intake panel from either side Fig 10 4 1 Push in 2 Slide 3 Pull 4 Remove Fig 10 2 Fig 10 3 Fig 10 4 I...

Страница 82: ...ector in the electrical component box of the indoor unit 15P connector if heat pump model After installing the connector use the clamp on the body of the indoor unit to secure the wiring If the connector is not connected a misoperation signal P9 on the remote control display will be displayed when the unit is turned on 6 Install the air filter and air intake grille by perform ing the steps in Figs...

Страница 83: ...anel Figs 10 8 and 10 9 a Remove the 2 screws on the latch of the air intake grille Fig 10 8 b Press on the 2 latches of the air intake grille with your thumb in the direction of the arrow to open the grille Fig 10 8 c With the air intake grille open about 45 remove the safety string hook on the grille side Fig 10 9 d Pull the air intake grille towards you to remove it from the ceiling panel 2 Pul...

Страница 84: ...connector in the electrical component box of the indoor unit After installing the connector use the clamp on the body of the indoor unit to secure the wiring NOTE NOTE If the connector is not connected a misoperation signal P9 on the remote control display will be displayed when the unit is turned on 5 Install the air filter and air intake grille by perform ing the steps in section 10 6 in reverse...

Страница 85: ...ted as follows Adjust the louver to the desired angle using the remote controller The louver also has an automatic air sweeping mechanism Never attempt to move the louver by hand Proper air flow depends on the location of the air conditioner the layout of the room and furniture etc If cooling or heating seems inadequate try changing the direction of the air flow NOTE ...

Страница 86: ...ntrol the operation of the unit directly without the thermostat turning the unit on or off As indicated in the following procedure switch out of TEST RUN when you are finished or the air conditioner can be damaged because it will not cycle on and off normally To protect the air conditioner from overloading the outdoor unit will not start running for 3 minutes after power is applied or the unit is ...

Страница 87: ... service valve after making the leak inspection of field connected tubing vacuuming and gas charging 11 2 PCB Setting Test Run Setting of outdoor control PCB A Set the number of indoor units which are con nected to the outdoor unit in S004 a For example in the case of 13 set D in S004 b If the number of indoor units and the num ber of set switches are identical the LED 1 to 8 9 16 light up matchin...

Страница 88: ...t R C line 1 Auto address operation decides each indoor unit address to the indoor unit connected to the refrigerant circuit individually The required time of operation depends on the temperature It takes a maximum of 20 minutes for a link system It takes a maximum of about 3 minutes without turning on the compressor for a system without link 2 When linking outdoor units in a network link system A...

Страница 89: ...dividual Remote Control Remote controller not properly connected Power supply not ON Remote controller not properly connected Wiring connection fault of indoor outdoor units Power supply of outdoor unit not ON Combination of indoor outdoor units is wrong Incorrect setting of No of indoor unit on outdoor control PCB S004 setting Power supply of some indoor units not ON 11 4 Main Alarm Messages Indi...

Страница 90: ...R C No is duplicated Remote controller display Possible cause of fault LED red Connected indoor units No of LED red lamps blink or all lamps turned off When turning on the power supply No of indoor units connected is not correspond with set No of S004 except R C No setting is 0 The number of connected indoor units are less than the set number in the outdoor PCB The number of connected indoor units...

Страница 91: ... is used when the unit is to be moved or before servicing the refrigerant circuit This outdoor unit cannot collect more than the rated refrigerant amount as shown by the nameplate on the back If the amount of refrigerant is more than that recommended do not operate pump down In this case use another refrigerant collecting system CAUTION ...

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