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Panasonic CZ-ESWC2 Installation Manual

1. 3 y j L 18 TA 2 g F p 5 8 jr pe y st U 7 oh 7 a Fig 3 30 Power supply port Refrigerant tubing joint liquid side 01 4 flared R Ps 5 D 2 5 6 ES oO m T EE 4 Supplied bolt Nuts and washers used for upper and lower Full scale installation diagram printed on top of container box Fig 3 31 Suspension bolt Suspension lug Double nut J gt Mi 7 Notch sada 45 64 je Fig 3 32 17 2011 09 30 ees Se f 3 11 Installing the Drain Piping 1 Prepare standard hard PVC pipe O D 1 1 32 for the Twist tie drain and use the supplied hose band to prevent water 4 ties supplied R Ee a ar Ipe leaks Fig 3 33 Drain port insulation equivaleni to Position to supplied O D 1 1 32 fasten hose Field supply bands The PVC pipe must be purchased separately The transparent drain part on the unit allows you to check drainage 2 Installing the drain hose To install the drain hose first place 1 of the 2 hose bands over the unit drain port and the other hose band over the hard PVC pipe not supplied Then connect both ends of the supplied drain hose Fig 3 33 On the unit drain side grasp the hose band with pliers and insert the drain hose all the way to the base VLLLLZLLLLLLL VA L TTT ILL LAUS zier Drain hose suppli
2. 3 Securely affix the two power supply conductors L1 pees teh L2 in the wiring channel by the clamping strap as field supple shown field supplied Earth screw Clamping clip Pe N DII PAD Entirely cover the control gra X NOTE wirings Remote Inter unit Zh a De Take care not to damage the control wirings by the clasp SWAY connection J Do not leave the control wirings loose Remote control wiring and Inter unit control wiring field supplied 70 VRF_Indoor_US indb 70 2011 09 30 MEE Se f 5 HOW TO PROCESS TUBING The liquid tubing side is connected by a flare nut and the gas tubing side is connected by brazing 5 1 Connecting the Refrigerant Tubing Use of the Flaring Method Many of 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 approx 1 2 ft 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 5 1 When reaming hold the tube end downward and be sure that no copper scraps fall into the tube Fig 5
3. Fig 3 148 How to carry out power supply wiring 1 Wiring connection ports The power inlet ports are located at the rear and top The remote control wiring inlet ports are located at the rear and top for use with the wired remote controller For details refer to Fig 3 144 For the method used to insert the wiring refer to the figure below Fig 3 150 When removing the fastening bracket from the cover of the electrical component box use caution to avoid dropping the bracket Twist tie 4 ties Hard PVC pi Drain h ar pipe Unit drain port medaio equivalentto Position to i VP 20 fasten hose supplied Field supply bands OASIS Z Y Drain hose supplied 13 64 113 64 D 63 64 63 64 N 5 33 64 N Hose band 2 bands supplied Unit drain pan er Unit in Fig 3 149 Check local electrical codes and regulations before wiring Also check any specified instruction or limitations 2 How to carry out wiring Open the knock out hole on the rear or top of the main unit Attach the supplied rubber grommet and pull the A gt power wiring into the main unit Feed the wiring into the wiring inlet port on the electrical component box Connect the wiring to the terminal plate and fasten in place with the supplied clamp Perform electrical and grounding work in accordance with the package A C power specifications and following local electr
4. Min 1 0 ft or more space Fig 3 101 34 VRF_Indoor_US indb 34 2011 09 30 ad i T f E Slim Low Static Ducted Type M1 Type 3 27 Required Minimum Space for Installation and Service This air conditioner is usually installed above the ed below The minimum space for installation and service is shown in the diagram H dimension means the minimum height of the unit Flange for air Select the H dimension such that a downward slope outlet duct of at least 1 100 is ensured as indicated in 3 32 Installing the Drain Piping ceiling so that the indoor unit and ducts are not visible pa Only the air intake and air outlet ports are visible from z 17 23 32 N es Ae RS df 17 23 32 min 25 5 8 Unit in MIN 25 32 ie N MIN 25 32 Min 4 or more for bottom air intake Ceiling Fig 3 102 The diagram shows the detailed dimensions of the indoor unit 5 45 64 1 9 64 D 27 1 4 3 51 64 2 19 32 25 13 64 6 19 64x4 _ 4 1 32 j 5 01 8 Hole 5 y i 10 I z ar E ER 5 a mm mm E o x Fj DBS T 5 J Inspection access A 2 17 23 32 x17 23 32 D Field supply wn lt f 5 7 41 64
5. Fig 3 94 per gradient prohibited Prohibited OOO E Fig 3 95 Support pieces ZN Fig 3 96 2011 09 30 cas Se f Be careful since the fan will start when you short Power supply outlet CAUTION the pin on the indoor control board 4 When the check of drainage is complete open the check pin CHK and remount the insulator and drain cap onto the drain inspection port 3 24 Increasing the Fan Speed If external static pressure is too great due to long extension of ducts for example the air flow volume may drop too low at each air outlet This problem may be solved by increasing the fan speed using the following procedure 1 Remove 4 screws on the electrical component box and remove the cover plate 2 Disconnect the fan motor sockets in the box Inter unit control wiring 3 Take out the booster cable sockets at both ends clamped in the box 4 Securely connect the booster cable sockets between the disconnected fan motor sockets in step 2 as shown in Fig 3 98 5 Place the cable neatly in the box and reinstall the cover plate Electrical component box Booster cable Booster cable Fan motor socket At shipment Booster cable installed Fig 3 98 How to read the diagram The vertical axis is the external static pressure in WG while the horizontal axis represents the air flow CFM The characteristic curv
6. Air tE n Min 2 in discharge 2 Air aN intake Wall Wall Min 2 in Obstacle Side view Fig 2 6 2011 09 30 aas dr Se f 3 HOW TO INSTALL THE INDOOR UNIT Note For DC Fan Tap Change Procedure for 4 Way Cassette see page 16 E 4 Way Cassette Type U1 Type Hole in anchor Hole in plug Concrete Insert 3 1 Preparation for Suspending This unit uses a drain pump Use a level gauge to check that the unit a eee is level Z A we 3 2 Suspending the Indoor Unit 1 Fix the suspension bolts securely in the ceiling using the method Suspension bolt M10 or 3 8 shown in the diagrams Figs 3 1 and 3 2 by attaching them to igid supply the ceiling support structure or by any other method that ensures Fig 3 1 that the unit will be securely and safely suspended 2 Follow Fig 3 2 and Table 3 1 to make the holes in the ceiling rst S Table 3 1 Unit in mm 2 2 Length A B c D Type el 2 31 1 32 28 15 32 34 27 32 34 27 32 3 5 12 18 24 36 788 723 885 885 5 e 3 Determine the pitch of the suspension bolts using the supplied full x 3 scale installation diagram The diagram
7. ceiling and the distance between the bottom 2 Suspension bolts neste surface of the ceiling and the bottom surface of the 7 flange of the unit should follow the dimensions given Fig 3 60 in Figs 3 60 and 3 61 3 16 Installing the Drain Piping ame 1 Prepare standard hard PVC pipe O D 1 1 4 for the e Ooo poa drain and use the supplied drain hose and hose band ne a 4 to prevent water leaks H 8 The PVC pipe must be purchased separately The DE En units transparent drain port allows you to check Fig 3 61 drainage Fig 3 62 Align the hose band with end of the hose and tighten so that it does not contact the bead Drainage check Hard PVC pipe section on drain PVC adhesive VP 25 Do not use adhesive at the drain connection port on port transparent ee Field supply the indoor unit f Insert the drain pipe until it contacts the socket as I l mn shown in the figure at right then secure it tightly with the hose band id Tighten the hose clamps so their locking nuts face el Packing feupplisd Bead upward Fig 3 62 Do not use the supplied drain hose bent at a 90 angle The maximum permissible bend is 45 Fig 3 62 Check the drainage at the unit drain port transparent Drain insulator supplied Drain insulator supplied 2 After checking the drainage wrap the supplied
8. Drain pan in 2011 09 30 za Se 3 36 Suspending the Indoor Unit Depending on the ceiling type Insert suspension bolts as shown in Fig 3 120 or Use existing ceiling supports or construct a suitable support as shown in Fig 3 121 Kam It is important that you use extreme care in supporting the indoor unit inside 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 1 When placing the unit inside the ceiling determine the pitch of the suspension bolts referring to the dimensional data given previously Figs 3 118 and 3 119 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 3 120 Cut the ceiling material if necessary 3 Suspend and fix the indoor unit using the 2 hexagonal nuts field supply and special washers supplied with the unit as shown in Fig 3 122 Air outlet grille T VRF_Indoor_US indb 42 Air intake grille Hole in anchor Hole in plug Concrete Insert 77 a 77 7 77 Je je A A 8 Suspension bolt M10 or 3 8 field suppl
9. Remote control wiring and Inter unit control wiring field supplied K1 Type Model S 18MK1U6 S 19MS1U6 S 12MK1U6 Clamping Connection for Solenoid Valve Kit for 3WAY Power wiring field supplied Mery l Earth screw Conduit field supplied Remote control wiring and Inter unit control wiring field supplied Necessary to install the External Electronic Expansion Valve Kit Optional CZ P56SVK1U 69 VRF_Indoor_US indb 69 2011 09 30 aan 4 5 Important Note When Wiring for Y1 Type Connect the wires referring to the diagram Note that the control wirings Low Voltages shall be segregated from the power supply wires High Voltage as follows 1 Connect the Inter unit control wiring to U1 U2 terminals and the remote control wire to R1 R2 Then place and fix the two clasps so that the clasps shall cover both the remote control wires the Inter unit control wiring and the 3 way wiring harness as shown in the magnified drawing 2 Connect the grounding conductor of the incoming power supply to the earth ground screw before connecting the power supply conductors to L1 L2 of the terminal block Connection for Solenoid N Valve Kit for SWAY LNX Remote control wiring A A V supplied ZAU SO Y API S
10. 5 Wesson ae xan GE FAN TAP 2 d Be 35 a3 Bs TP6 TP3 TP1 Fig 3 28 16 VRF_Indoor_US indb 16 2011 09 30 aast VRF_Indoor_US indb 17 Se E 4 Way Cassette 60 x 60 Type Y1 Type 3 8 Preparation for Suspending This unit uses a drain pump Use a level gauge to check that the unit is level 3 9 Suspending the Indoor Unit 1 Fix the suspension bolts securely in the ceiling using the method shown in the diagrams by attaching them to the ceiling support structure or by any other method that ensures that the unit will be securely and safely suspended Fig 3 29 2 Follow the diagram to make the holes in the ceiling 3 Determine the pitch of the suspension bolts using the supplied full scale installation diagram The diagram shows the relationship between the positions of the suspension fitting unit and panel Fig 3 30 3 10 Placing the Unit Inside the Ceiling 1 When placing the unit inside the ceiling determine the pitch of the suspension bolts using the supplied full scale installation diagram Fig 3 31
11. Se f Concealed Floor Standing Type R1 Type DD 4 15 32 holes for fastening the indoor unit to the floor with screws Air filter 3 Refrigerant connection outlet liquid tube Refrigerant connection outlet gas tube Level adjusting bolt Drain outlet 20 A D Flange for air outlet duct Unit in Liquid 35 19 32 27 1 4 26 29 64 26 3 16 19 11 16 3 25 64 1 4 1 2 47 63 64 39 41 64 39 29 64 38 37 64 35 7 16 2 1 64 ej ea ose 95 8 is A 6 17 32 B 1 26 32 9 1 64 C Internal dimension mann F__ E Hole Pitch 3 15 16 __F 6 7 64 Air outlet 2 19 32 Mi _ g Omri EE o mm g lel jo BE IN all M al 2 2 Q Ik IE b zg D wo st H W le D i3 oO 1 pee 1 3 16 t 1 3 16 Tie Air inlet 5 Unit in Fig 3 179 Make an opening in the housing of the unit so that maintenance service can be peformed on the electrical component box air filter refrigerant tubing connection and drain pipe 59 VRF_Indoor_US indb 59 2011 09 30 aaa VRF_Indoor_US indb 60 Se 3 56 Removing and Attaching the Front Panel Floor Standing Type A dew prevention heater is secured behind the front panel When r
12. Va Z I e Air inlet side Air outlet side Fig 3 106 37 VRF_Indoor_US indb 37 2011 09 30 ad ca 3 31 Suspending the Indoor Unit Depending on the ceiling type e Insert suspension bolts as shown in the diagram or e Use existing ceiling supports or construct a suitable support as shown in the diagram It is important that you use Kam extreme care in supporting the indoor unit inside 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 1 When placing the unit inside the ceiling determine the pitch of the suspension bolts referring to the dimensional data on the previous page 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 the diagram Cut the ceiling material if necessary 3 Thread the 3 hexagonal nuts and 2 washers field supply onto each of the 4 suspension bolts as shown in the diagram Use 1 nut and 1 washer for the upper part and 2 nuts and 1 washer for the lower part so that the unit will not fall off the suspension lugs Suspension bolt Hexagonal nut we Double nuts Fig 3 109 4 Adjust the
13. Heat resistant 248 F or above Unit side insulator Vinyl clamps supplied Fig 5 8 Refrigerant tubing and insulator not supplied Drain insulator and clamp Drain pipe and insulator Large not supplied supplied Packing clamp Insulation Small tape hose band Vinyl supplied Flare clamp insulator Seal The procedure used for installing the insulator for both gas and liquid A tubes are the same Fig 5 9 Never grasp the drain or refrigerant connecting outlets when moving the unit 2011 09 30 call Se f 5 4 Taping the Tubes eee 1 At this time the refrigerant tubes and electrical wiring if local codes permit should be taped together with armoring tape in 1 bundle To prevent the condensation from overflowing the drain pan keep the drain hose separate from the refrigerant tubing 2 Wrap the armoring tape from the bottom of the outdoor unit to the top of the tubing where it enters the wall As you wrap the tubing overlap half of each previous tape turn 3 Clamp the tubing bundle to the wall using 1 clamp approx each ft Fig 5 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 Fig 5 10 drips clear of the unit and the tubing S Apply putty h PPY PUNY NEIE x 5 5 Finishing the Installation After fin
14. Insulating tape e White heat resisting For gas tube joint Packing For drain joint Wiring cover For covering electrical wiring Screw For full scale installation diagram Washer For suspending indoor unit from ceiling Screw Table 1 2 1 Way Cassette Part Name For fixing the wiring cover Remarks Full scale installation diagram Printed on container box Drain hose For securing drain hose Hose band For securing drain hose Drain insulator For drain joint Flare insulator For liquid tube For gas tube Insulating tape White heat resisting For gas tube joint Packing For drain joint Washer For suspending indoor unit from ceiling Screw For full scale installation diagram Bushing Table 1 3 Low Silhouette Ducted Part Name Figure For electrical junction box Remarks Drain hose For securing drain hose Hose band For securing drain hose Packing For drain joint Drain insulator mm For drain joint Flare insulator me For liquid tube Insulating tape White heat resisting For gas and liquid tubes flare nuts Flare insulator For gas tube Washer For suspending indoor unit from ceiling Sealing putty For sealing recessed portion of power supply Vinyl clamp For flare and drain insula
15. Se f INSTALLATION INSTRUCTIONS Panasonic VRF System Air Conditioner This air conditioner uses the refrigerant R410A External diameter of service port R410A 5 16 Model No Indoor Unit Type 36 HARA 5 s a j ae s 4 Way Cassette S 12MU1U6 S 18MU1U6 S 24MU1U6 S 36MU1U6 y CZ 38KPU2U CZ 36KPU2U CZ 36KPU2U CZ 36KPU2U 4 Way Cassette S 12MY1U6 S 18MY1U6 60 x 60 CZ 18KPY1U CZ 18KPY1U 1 Way Cassette S 07MD1U6 S 09MD1U6 S 12MD1U6 y CZ 12KPD1U CZ 12KPD1U CZ 12KPD1U 36ME1U6 S 48ME1U6 en S 07MF1U6 S o9MF1U6 S 12MF1U6 S 15MF1U6 S 18MF1U6 saris S 36MF1U6 S 48MF1U6 S 54ME1U6 Lime Pressure Ducted ong ame ere Ltd warmoes ona Saomus exams __ svomus fromesa same A o Floor s o7mR1U6 S 09MR1U6 S 12MR1U6 S 15MR1U6 S 18MR1U6 seame Necessary to install the External Electronic Expansion Valve Kit Optional CZ P56SVK1U Panel optional parts S 24MT1U6 a Joas bau Optional Controllers RC 85464369530011 CV6233187013 VRF Indoor _US indb 1 2011 09 30 aast Se f IMPORTANT Please Read Before Starting This air conditioning system meets strict safety and operating standards As the installer or service person it is an important part of your job to install or service the system so it operates safely and efficiently For safe installation and trouble free operation you must Carefully read this
16. 3 Thread the 3 hexagonal nuts and 2 washers field supply onto each of the 4 suspension bolts as shown in Fig 3 5 Use 1 nut and 1 washer for the upper side and 2 nuts and 1 washer for the lower side so that the unit will not fall off the suspension lugs 4 Adjust so that the distance between the unit and the ceiling bottom is 15 32 to 43 64 Tighten the nuts on the upper side and lower side of the suspension lug 5 Remove the protective polyethylene used to protect the fan parts during transport 3 4 Installing the Drain Piping 1 Prepare a standard hard PVC pipe O D 1 1 4 for the drain and use the supplied drain hose and hose band to prevent water leaks The PVC pipe must be purchased separately The unit s transparent drain port allows you to check drainage Fig 3 6 Nen Insert the drain pipe until it contacts the socket as shown in Fig 3 6 then secure it tightly with the hose band Do not use adhesive when connecting the supplied hose Reasons 1 It may cause water to leak from the connection Since the connection is slippery just after the adhesive has been applied the pipe easily slips off 2 The pipe cannot be removed when maintenance is needed Do not bend the supplied drain hose 90 or more The hose may slip off Align the hose bands with the end of the hose Tighten the hose band firmly Please make sure that the bead is not covered by the hose band Fig 3 6
17. Fig 3 45 Panel installation hole Washer head screws locations Do not allow Main unit gaps vS ZZ Ceiling surface Ceiling panel Fig 3 46 Fig 3 47 Direction that the unit faces has been changed to facilitate explanation Electrical component box cover Ceiling panel wiring connector Pass the wiring connector through the clamp to fasten it in place as shown in the figure 2011 09 30 aol Se f 3 13 4 How to Attach the Corner amp Air Intake Grille Attaching the corner cover and air intake grille A Attaching the corner cover 1 Check that the safety cord from the corner cover is fastened to the ceiling panel pin as shown in the figure Fig 3 49 2 Use the supplied screws to attach the corner cover Fig 3 49 to the ceiling panel i Place the corner cover so that the 3 tabs fit into the holes in the ceiling panel B Attaching the air intake grille Then fasten it in place with the supplied screws To install the air intake grille follow the steps for Removing the grille in the reverse order By rotating the air intake grille it is possible to attach the grille onto the ceiling panel Hole for ceiling from any of 4 directions Coordinate the directions of the pane nook air intake grilles when installing multiple units and change the directions according to customer requests Fig 3 50 When attaching the air intake grille be careful that the flap lead wire does
18. Vinyl clamp For ends of flare insulator Insulating tape black and long For drain pipe Drain insulator For drain hose joint Binding strap Use M10 or 3 8 for suspending bolts Field supply for suspending bolts and nuts VRF_Indoor_US indb 8 2011 09 30 aas VRF Indoor _US indb 9 2 SELECTING THE INSTALLATION SITE 2 1 Indoor Unit AVOID areas where leakage of flammable gas may be expected places where large amounts of oil mist exist direct sunlight locations near heat sources which may affect the performance of the unit locations where external air may enter the room directly This may cause sweating on the air discharge ports causing them to spray or drip locations where the remote controller will be splashed with water or affected by dampness or humidity installing the remote controller behind curtains or furniture locations where high frequency emissions are generated DO select an appropriate position from which every corner of the room can be uniformly cooled select a location where the ceiling is strong enough to support the weight of the unit select a location where tubing and drain pipe have the shortest run to the outdoor unit allow room for operation and maintenance as well as unrestricted air flow around the unit install the unit within the maximum elevation difference above or below the outdoor u
19. Tube thickness CD 120 160 Ibs inch 1 32 91 4 96 35 mm 140 180 kgf cm 0 8 mm 300 360 Ibs inch 1 32 23 8 9 52 MM 349 420 kgf cm 0 8 mm 430 480 Ibs inch 1 32 1 2 912 7 mm 490 550 kgf cm 0 8 mm A 590 710 Ibs inch 5 128 25 8 215 88 mm 680 820 kgf cm 1 0 mm i 870 1040 Ibs inch over 5 128 23 4 219 05 mm 1000 1200 kof cm 1 0 mm Because the pressure is approximately 1 6 times higher than conventional refrigerant pressure the use of ordinary flare nuts type 1 or thin walled tubes may result in tube rupture injury or asphyxiation caused by refrigerant leakage In order to prevent damage to the flare caused by over tightening of the flare nuts use the table above as a guide when tightening When tightening the flare nut on the liquid tube use an adjustable wrench with a nominal handle length of 7 7 8 in 2011 09 30 eal 5 3 Insulating the Refrigerant Tubing Tubing Insulation Thermal insulation must be applied to all unit tubing including the distribution joint purchased separately Fig 5 7 For gas tubing the insulation material must be heat resistant to 248 F or above For other tubing it must be heat resistant to 176 F or above Insulation material thickness must be 25 64 in or greater If the conditions inside the ceiling exceed DB 86 F and RH 70 increase
20. a If the Wall is Wooden 1 Attach the rear panel to the wall with the 10 screws provided If you are not able to line up the holes in the rear panel with the beam locations marked on the wall use Rawl plugs or toggle bolts to go through the holes on the panel or drill 3 16 dia holes in the panel over the stud locations and then mount the rear panel 2 Check with a tape measure or level gauge This is important so that the unit is correctly installed Fig 3 157 3 Make sure the panel is flush against the wall Any space between the wall and unit will cause noise and vibration b If the Wall is Brick Concrete or Similar Drill 3 16 dia holes in the wall Insert Rawl plugs for appropriate mounting screws Fig 3 158 3 48 Removing the Grille to Install the Indoor Unit In principle with this model wiring can be completed without removing the grille However if it is necessary to change the settings on the PCB follow the procedure below excepting S 18MK1U6 and S 19MS1U6 Removing the grille 1 Lift up on both sides of the air intake grille to open it Fig 3 159 2 Remove the filter Fig 3 159 3 Adjust the flap so that it is horizontal Fig 3 160 4 Open the installation screw covers below the grille 3 locations Fig 3 160 5 Remove the screws Fig 3 160 6 Remove the grille Fig 3 161 Attaching the grille 1 Close the flap 2 Keep the grille installation tabs aligned with the top portion of
21. 4 Lift up the indoor unit and fit the suspension bolts into the notches in the suspension lugs 5 Adjust so that the distance between the bottom of the indoor unit suspension lugs and the bottom of the ceiling panel is 25 32 1 Then tighten the nuts above and below each suspension lug The full scale installation diagram can be used to help adjust the height of the indoor unit VRF_Indoor_US indb 23 23 Full scale installation diagram Suspension lug t En el F 25 32 1 in over 19 32 in Fig 3 56 For fresh air intake 3 15 16 hole A 3 5 32 f E G BSD Unit in Fig 3 57 For fresh air intake 93 15 16 hole A Brg ee i Unit in Fig 3 58 Suspension bolt Nuts and washers Suspension lug Used above and below Double nuts over 19 32 Q 25 32 1 Fig 3 59 2011 09 30 aol Se f 2 1 8 2 1 8 The indoor unit includes a drain pump Be sure to use a level gauge and verify that the unit is level Suspension bolts Before inserting the ceiling material complete as much Se a of the drain piping work and refrigerant tubing work as amp Tubing side possible T 19 32 SP PE al 6 The distance between the unit and the opening of the
22. the drain port either on the main unit or the PVC pipe Wrap the hose with the supplied drain hose insulation and use the 4 twist ties so that the hose is insulated with no gaps Connect the drain piping so that it slopes downward from the unit to the outside Fig 3 147 47 VRF_Indoor_US indb 47 Attach so that the hose band fastener is on the side of the drain port Attach the hose bands so that each is approximately 13 64 63 64 in from the end of the supplied drain hose 2011 09 30 za Se f Never allow traps to occur in the course of the piping Insulate any piping inside the room to prevent dripping After the drain piping pour water into the drain pan to check that the water drains smoothly f the drain hose is to be raised use the optional drain up kit The drain hose can be raised 23 5 8 above the top of the main unit For details refer to the manual of the optional part If the drain hose is Drain port routed through the left Screwdriver _ side refer to Fig 3 145 COD y gt and follow the j procedure above to Rubber stopper install the hose Re attach the rubber stopper that was earlier removed onto the right side Fig 3 148 The rubber stopper can be inserted easily by using a screwdriver or similar tool to press the stopper into the drain port on the main unit Press the stopper into the main unit drain port as far as it will go
23. 3 Short the check pin CHK on the indoor control board and operate the drain pump Check the water flow through the transparent drain pipe and see if there is Plastic container Drain pan outlet leakage for water intake Water any Approx 0 13 gal Fig 3 37 4 When the check of drainage is complete open the check pin CHK and remount the tube cover must be within the range of 33 64 to 45 64 Fig 3 38 Be careful since the fan will start If not within this range malfunction or other trouble may occur indoor control board Ne when you short the pin on the GUESS Ceiling opening L dimension Ceiling side Fig 3 38 3 13 How to Install the Ceiling Panel Checking the unit position 1 Check that the ceiling hole is within this range 23 5 8 x 23 5 8 2 Confirm that the position of the indoor unit and the ceiling as shown in the diagram If the positions of the ceiling surface and unit do not match air leakage water leakage flap operation failure or other problems may occur Nen Never place the panel face down Either hang it vertically or place it on top of a projecting object Placing it face down will damage the surface Do not touch the flap or apply force to it This may cause flap malfunction 3 13 1 Before Installing the Ceiling Panel 1 Remove the air intake grille and air filter from the ceiling panel a Slide the air intake grille catches in the direction show
24. Bs heg COO S00Nd 18 00ND 3 OJ re in e BONO gN ez 8s 8 a Trz NEE 8700N9 13 ZOON E3 gt 222 ea Pew g Sik 2222 Erze EERE za ee wT pa Iroz ror swor eeste P TE i ONO LON BION ICR KR74GXH56A 0 1FA4B18055000 1 srate Fe BS men ma wa Slide No 3 on SW101 from ON gt OFF Setting at time of factory shipment 02 03 04 e eee eee esoe e CR KR254GXH56A 0 1FA4B1B055200 1 ADDRES U EMG BRN wt bw CNO18 x E3 BRN wis IND LAMP ri Er PJE C a 8 8 ene SA E eee 8 g E2 on a on FT Bea dn A mk zk El rs on e ENEN st g l f l i 2 N O 2 Setting at time of Slide No 3 on SW101 reine s 3 u factory shipment from ON gt OFF 2 lt a TAS VEL a 2 5 a DISP peg a 1c007 at 25 g ngg 0 5y0 e US fBurJepios Molsey 7 Bul sapjog eADM 1c008 Q017 ful Q 2 z 8 i 8 8 osou zooo i 10031 oz BLOY ZLOY a D 8100 In a ee em 8 1006 ON LT 1C005__ zcgos coat 1c009 HMT 4 EO am IZOND W A HA Ed JHA 10ND wordo AHA ATO gt Me LIONO NVA LHM SIONI SWT 5 on Bed RIS S L ke 034 OZOND TEA SION X8 800ND 8 LemOg op XE ZON zn OIL AME B AHN LOON
25. Check that the positions of the ceiling surface and indoor unit are as shown in Fig 3 70 If the positions of the ceiling surface and indoor unit are not correct Ceiling surface problems such as air leakage water leakage and flap operation trouble may occur Do not rest the panel facing downwards lean up against a wall or leave it sitting on top of a protruding object Doing so may scratch the panel surface Do not apply excessive force to the flap Fig 3 71 Doing so may damage the flap 25 32 1 in d JE P feing opening dimension mn Fig 3 70 26 VRF_Indoor_US indb 26 2011 09 30 ead Removing the intake grille Slide the intake grille hooks 2 locations in the direction of the arrow to open the intake grille Fig 3 72 When the intake grille is open press a flathead screwdriver against the rear tabs 2 locations and pull out the intake grille Fig 3 73 ZN iy oA se Intake grille Removing the side panel Grasp the finger grip on the side panel and slide the panel in the direction of arrow to remove the panel Fig 3 74 There are 2 panels 1 each on the left and right sides Fig 3 73 Press on the tabs with a flathead minus screwdriver while pulling out the intake grille Side panel Fig 3 74 3 19 2 Installing the ceiling panel Hook receiver Press to remove 1 Fasten the hooks on both sides of the ceil
26. For gas liquid Flare insulation tube connection Washer head screw i Printed on installation container box diagram For full scale installation diagram For gas liquid Insulation tie tube flare nut connection Drain hose ODD For unit amp PVC L140 tube connection For flare drain Vinyl tie insulating connection Drain hose For drain tube insulation connection Use M10 or 3 8 for suspending bolts Field supply for suspending bolts and nuts Hose band D For drain hose connection VRF_Indoor_US indb 7 2011 09 30 aas Table 1 8 Slim Low Static Ducted Part Name Figure Remarks Washer For suspension fitting Flare insulation For gas liquid tube connection Insulation tape 2 For gas liquid tube flare nut connection Vinyl tie N For flare drain insulating connection Drain hose insulation A T10 For drain tube connection Drain hose O MDD L140 For unit amp PVC tube connection Hose band For drain hose connection For high static pressure Snor creuit EenSCHOR Located on the back of the electrical component box lid Table 1 9 Floor Standing amp Concealed Floor Standing Part Name Remarks Connection pipe For connecting gas tubes Flare insulator For gas and liquid tubes Insulating tape For gas and liquid tube flare nuts Insulating tape For gas and liquid tubes
27. VRF_Indoor_US indb 66 2011 09 30 aan Se f 4 4 Important Note When Wiring for Common Type Connect the wires referring to the diagram Note that the control wirings Low voltages shall be segregated from the power supply wires High voltage as follows 1 Connect the Inter unit control wiring to U1 U2 terminals and the remote control wire to R1 R2 excepting K1 type 2 Connect the power supply wires to L1 L2 of the terminal block Be sure to connect the grounding o2 LAZ nnie Anan TTT TTT conductor of the incoming power supply to the earth ground screw 3 Securely affix the power supply wires and remote clip control wires by the clamping strap or clamping clip not to cross each other and not to leave the wirings loose When loosening the clamping clip twist the strap and it will come undone Connection for Solenoid Valve Kit 4 for 3WAY Clamping clip Conduit Remote control wiring and Inter unit control wiring field supplied Securely affix the 3 way wiring harness with the remote control wiring U1 type D1 Type F1 Type Remote control
28. i Bottom drain port O D 1 1 32 in RIEN a Suspension lug S 3 H L J h K A J Ja Power supply outlet 2 21 3 16 hole al S HL A O D 34 Fresh air intake port 55 29 32 hole _ L H Duct suspension bolt pitch Flange for the flexible air outlet duct 7 7 8 hole 5 8 L G Ceiling opening dimension J Tube cover 2 nl 4015 32 Electrical component box E Ha 7 Hole Flange for the air intake duct OS i Option or field supply z 14 Z Inter unit control wiring an TA 1 2e J77 AA 12 7 32 3 B van 31 32 8 9 32 31 32 Lust S 1732 B 1 782 416 01 8 a H 678 3 ho a ON yo SN Inspection access EN Greene ER I 172 2 AField supply 2 Fs l c 14 916 ai D 5 29 32 S 5 Suspension bolt pitch R E E E 215 16 i 2 916 7 st Unit in Fig 3 85 30 VRF_Indoor_US indb 30 2011 09 30 ac Se f 3 21 Suspending the Indoor Unit Hole in anchor Hole in plug Concrete Insert Depending on the ceiling type e Insert suspension bolts as shown in Fig 3 86 BE nr ee e Use existing ceiling supports or construct a suitable support as l shown in Fig 3 87 It is important that you use extreme care Suspension bolt M10 or 3 8 x EE field supply WARNING in supporting the indoor unit inside the ceiling Ensure that the ceiling is strong Fig 3 86 enough to support the weight of the unit Ceiling tiles Before hanging the unit test the strength
29. the grille and reinstall the lower portion of the grille Fit the installation tabs into the grooves and press the lower portion of the grille back into its original position to install it 3 Press on the installation tabs to completely close the grille Check that the grille and frame are fitted tightly together 50 il FI Ti 3 16 dia hole ae Rawl plug Fig 3 158 Intake grille Flap Open the grille Fig 3 159 WN CB Installation screw cover Fig 3 160 S Remove the grille Fig 3 161 2011 09 30 za T 3 49 Preparing the Tubing 1 Arrangement of tubing by directions a Right or left tubing The corner of the right or left frame should be cut with a hack saw or similar Fig 3 162 b Right rear or left rear tubing In this case the corners of the frame do not need to be cut 2 Be sure to insulate the part of the drain hose that is run indoors and the refrigerant tubing If these are not insulated condensation may result in dripping and damage to walls and furniture The flare nuts on the 24 type only are large therefore use the supplied insulation material 3 To mount the indoor unit on the rear panel 1 When installing the indoor unit position the indoor unit onto the installation tabs on the upper part of the rear panel Fig 3 163 2 Press on the air outle
30. 11 16 Space for service 5 184 1 37164 Sp dmt 37 Suspension bolt pitch 38 37 64 eee ian Air suction side Refrigerant tubing Inspection access 23 5 8 x 23 5 8 Min 23 5 8 pace a service Min 22 53 64 Drain pan Ceiling face Min 5 1 oe i hae i Unit in Fig 3 118 lL 37 31 7 32 F A gt 7 x 3 15 16 27 9 16 22 01 8 2 5 32 25 32 Hole for full gi circumference 1 37 64 SA 1 57 64 Ta Dj a n O ai En BO Table 3 5 Unit in Length l 5 A B C N 2 Type a Electrical component box 36 16 17 32 15 35 64 2 43 64 pa 8 E a A a LH 48 17 23 32 16 47 64 3 55 64 se 4 020 hole for BS 1 13 16 is ere suspension bolt esate 15 3 4 Refrigerant liquid line 03 8 or 51 4 Hole for full 19 11 16 Refrigerant gas line 23 4 or 95 8 circumference Power supply outlet 19 32 38 37 64 Suspension bolt pitch 19 32 Drain connection 25A O D 1 1 4 Duct connection for suction 24 13 32 Duct connection for discharge _19 11 16 2 3 4 ae 4 o Inter unit control wiring 25 64 25 64 L Di 37 ies 5 3 vD T 8 D lo and y op Fig 3 119 41 VRF_Indoor_US indb 41
31. 3 9 ajas gradient prohibited Fig 3 10 Support pieces Fig 3 11 A 5 h g O Water Approx 0 3 gal Plastic container for water intake Fig 3 12 2011 09 30 sce Se f 3 6 How to Install the Ceiling Panel 3 6 1 Before Installing the Ceiling Panel Checking the unit position 1 Check that the ceiling hole is within this range 33 55 64 x 33 55 64 to 35 53 64 x 35 53 64 in 2 Use the full scale installation diagram from the packaging that was supplied with the unit to determine the positioning of the unit on the ceiling surface If the positions of the ceiling surface and unit do not match air leakage water leakage flap operation failure or other problems may occur AN een Never place the panel face down Either hang it vertically or place it on top of a projecting object Placing it face down will damage the surface Do not touch the flap or apply force to it This may cause flap malfunction Remove the air intake grille and air filter from the ceiling panel Figs 3 15 3 16 and 3 17 a Remove the 2 screws on the latch of the air intake grille Fig 3 15 b Slide the air intake grille catches in the direction shown by the arrows C to open the grille Fig 3 16 c With the air intake grille opened remove the grille hinge from the ceiling panel by sliding it in the direction shown by the arrow Fig 3 17 Removing the corner cover a Slide the corner cover to th
32. Tubing and wiring must be laid inside the ceiling when suspending the unit If the ceiling is already constructed lay the tubing and wiring into position for connection to the unit before placing the unit inside the ceiling 2 The length of suspension bolts must be appropriate for a distance between the bottom of the bolt and the bottom of the unit of more than 19 32 as shown in the diagram Fig 3 31 3 Thread the 3 hexagonal nuts and 2 washers field supply onto each of the 4 suspension bolts as shown in the diagram Use 1 nut and 1 washer for the upper side and 2 nuts and 1 washer for the lower side so that the unit will not fall off the suspension lugs Fig 3 32 4 Adjust so that the distance between the unit and the ceiling bottom is 33 64 to 45 64 Tighten the nuts on the upper side and lower side of the suspension lug Fig 3 32 5 Remove the protective polyethylene used to protect the fan parts during transport Hole in anchor Hole in plug Concrete Insert a i adea KA Suspension bolt M10 or 3 8 field supply Fig 3 29 23 5 8 Ceiling opening dimensions 51 1732 Suspension bolt pitch a be 21 1 32 Suspension bolt pitch 23 5 8 Ceiling opening dimensions 22 41 64 Drain tube 2 3 connection port 2 6 19 64 6 11 16 32 6 19 6 outer dia 01 1 32
33. and cut i Mag Fig 3 138 PVC pipe at a slight angle to fit Insert the PVC pipe in the wall q Fig 3 143 CD l Ceiling surface Washer Nut supplied field supply Suspension bolt Fig 3 139 E a Fig 3 140 The hole should be made at a slight downward slant to the outside PVC pi locall hased pipe locally purchased sing OUTSIDE T Wall Outdoor A Side PVC pipe Ei 1 ee Slight or opm angle j Cut at slight angle Fig 3 142 Fig 3 143 46 VRF_Indoor_US indb 46 2011 09 30 aasal Se 3 42 Duct for Fresh Air There is a duct connection port knock out hole at the right rear of the top panel of the indoor unit for drawing in fresh air If it is necessary to draw in fresh air remove the cover by opening the hole and connecting the duct to the indoor unit through the connection port Fig 3 144 3 43 Shaping the Tubing The positions of the refrigerant tubing connections are shown in the figure below The tubing can be routed in 3 directions When routing the tubing out through the top or right sides knock out the appropriate parts in the top panel and cut notches in the side panel as shown in Fig 3 129 When routing the tubing out through the top the optional L shape tubing kit is required Fig 3 145 3 44 Installing the Drain Piping Prepare standard PVC pipe for the drain and connect it to the indoor unit
34. and remove the lid Fig 3 80 2 Fasten the wiring connector 7P red which comes out from the ceiling panel using the lead wire clamps 2 locations on the unit Then connect it to the connector 7P red inside the indoor unit electrical component box Fig 3 81 If the connector is not connected P09 is displayed on the remote controller and the automatic flap will not operate Be sure to securely connect the connector Check that the wiring connector is not pinched Fig 3 80 between the electrical component box and the lid Check that the wiring connector is not pinched between the indoor unit and the ceiling panel Electrical component box cover 3 19 4 Installing the side panel and intake grille A Installing the side panel 1 Grasp the side panel finger grip and slide the panel in the direction of the arrow to install the side panel Fig 3 82 2 Fasten the side panel onto the ceiling panel using the supplied screws 4 x 12 or 5 32 x 15 32 Inter unit control wiring Power supply outlet B Installing the intake grille To install the intake grille follow the procedure for removing it in the reverse order Fig 3 83 When installing the intake grille be careful that the flap lead wire does not become pinched Fig 3 83 Fasten with screws 4 x 12 or 5 32 x 15 32 3 19 5 Others A Check after installation Check again that there is no gap between the
35. be extended in 2 directions downward and at rear For Floor Standing type e When a rear tube is required it can run through the rear tube outlet of the rear panel e When a downward tube is required refer to the opening dimensions shown in Fig 3 182 Front ront panel 5 Fig 3 180 Removing the front panel NT TNT LS Sf ke Cut off the both binding straps A ae Ft gt Expose the tip Disengage the of the dew lead wire prevention connector from heater from the the dew prevention heater glass fiber tube Attaching the front panel Connect each other gt DE ad N as AL S 2 Expose the tip 3 Tighten the of the dew glass fiber tube prevention with the binding heater from the strap at both glass fiber tube side Dn Re Dew prevention p heater a Peer Front panel Fixture A l Lead wire connector 4P WHT Fig 3 181 Holes for fixing the a 6 unit to the floor Sogn Refrigerant tubing space for downward tubing Fig 3 182 60 2011 09 30 aaa VRF_Indoor_US indb 61 2011 09 30 aaa Se f Insulate both gas and liquid Insulating tape black Flare insulator CAUTION tubes l Insulating tape mea To insulate tubes 1 Wrap the flare nuts with the supplied white insulati
36. ceiling panel outlet can be adjusted 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 3 7 Special Remarks DC Fan Tap Change Procedure Be sure to turn OFF the power at mains before beginning the work below 1 In the table below check the field supply parts that will be used If this setting is not made the airflow may decrease and condensation may occur Setting a Air shield material for use with 3 direction discharge Air shield material for use when a discharge duct is connected b Air shield material for use with 2 direction discharge Use field supply air shield material Setting a Go to 2 Setting b Go to 3 2 Setting a Indoor unit control PCB Open the cover of the electrical component box Short PCB model No CR SXRP56B B the short circuit pin TP3 2P yellow on the indoor unit ome control PCB Fig 3 28 A ee ij U Nef amp 3 Setting b Let Open the cover of the electrical component box Short i on P phil ORL Alt the short circuit pin TP6 2P white on the indoor unit ed control PCB Fig 3 28
37. drain pipe with the supplied hose clamps to prevent water leaks 1 Drain hose connection The drain hose is connected below the refrigerant tubing 2 Installing the drain hose Rear outlet port Inter unit control wiring 1 3 16 knock out use rubber grommet Outside air intake duct connection port 93 15 16 knock out Power supply outlet 01 3 16 matt OOF Rear tubing hole L mss Left side drain hose outlet port Fig 3 144 If the tubing is to be routed out together use a box cutter or similar tool to cut out the part of the rear cover indicated by the marked area in the figure below to match the positions of the tubes Then draw out the tubing Fig 3 146 Downward gradient Min 1 100 O Good To install the drain hose first place 1 of the 2 hose bands over the unit drain port and the other hose band over the hard PVC pipe not supplied Then connect both ends of the supplied drain hose On the unit drain side grasp the hose band with pliers and insert the drain hose all the way to the base If other commercially available hose bands are used the drain hose may become pinched or wrinkled and there is danger of water leakage Therefore be sure to use the supplied hose band When sliding the hose bands be careful to avoid scratching the drain hose y x Not good Fig 3 147 S Do not use adhesive when connecting the supplied drain hose to
38. indoor unit and the ceiling panel or between the ceiling panel and the ceiling surface If there is a gap then water leakage and Slide the side panel so that the side panel tabs are fastened to the ceiling panel Then fasten in place with the supplied screws condensation may occur 4 x 12 or 5 32 x 15 32 Check that the wiring connections are secure If the wiring is not connected the automatic flap will not operate P09 is displayed on the remote controller In addition water leakage condensation and other problems may occur B If a wireless remote controller is used For details concerning the installation procedure refer to the installation manual which was supplied with the optional wireless remote controller and indoor unit internal receiver 29 VRF_Indoor_US indb 29 2011 09 30 xe Se f E Low Silhouette Ducted Type F1 Type d 7 p Eil 3 20 Required Minimum Space for Installation and Service A Suspension bolt pitch 3 Electrical component b
39. instruction booklet before beginning Follow each installation or repair step exactly as shown Observe all local state and national electrical codes Pay close attention to all warning and caution notices given in this manual mm A If Necessary Get Help These instructions are all you need for most installation sites and maintenance conditions If you require help for a special problem contact our sales service outlet or your certified dealer for additional instructions In Case of Improper Installation The manufacturer shall in no way be responsible for improper installation or maintenance service including failure to follow the instructions in this document This symbol refers to a hazard or unsafe practice which can result in severe personal injury or death This symbol refers to a hazard or unsafe practice which can result in personal injury or product or property damage SPECIAL PRECAUTIONS WARNING When Wiring ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH ONLY A QUALIFIED EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM e Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked e Highly dangerous electrical voltages are used in this system Carefully refer to the wiring diagram and these instructions when wiring Improper connections and inadequate grounding can cause accidental injury or death e Ground the unit f
40. more than 3 3 ft Sr oY SF more than 3 3 ft Indoor unit ZA A Indoor unit Hh ppi Indoor unit 16 or fewer Indoor unit Fig 4 3 65 2011 09 30 aan i Se Loose wiring may cause the CAUTION terminal to overheat or result in unit malfunction A fire hazard may also exist Therefore ensure that all wiring is tightly connected When connecting each power wire to the terminal follow the instructions on How 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 E For stranded wiring 1 Cut the wire end with cutting pliers then strip the Stranded wire insulation to expose the stranded wiring approx 3 8 in and tightly twist the wire ends Fig 4 4 Ring cis i ise 2 Using a Phillips head screwdriver remove the terminal ef pressure 3 terminal screw s on the terminal plate 7 TT 3 Using a ring connector fastener or pliers securely clamp each stripped wire end with a ring pressure terminal 8 Fig 4 4 4 Place the ring pressure terminal and replace and tighten the removed terminal screw using a fi Special screwdriver Fig 4 5 washer Screw Ring pressure d terminal LD Screw and P Special washer Wire Terminal plate Ring S gt J pressure Z terminal Wire Fig 4 5 66
41. 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 an air filter field supply at the return duct 3 39 Indoor Fan Performance Sealing tape Drain pan Drain joint supplied Drain opening 25A or 1 11 32 male screw Fig 3 123 Downward gradient x Not good Fig 3 124 cane 3 15 16 in Min Inspection plug Min 1 31 32 in Fig 3 125 How to Read the Diagram The vertical axis is the External Static Pressure one pool i pi ii Type in WG while the horizontal axis represents the mn Air Flow CFM The characteristic curve for the Re D H Med and Lo fan speed control 0 80 O 0 80 The nameplate values are shown based on the g g H air flow Therefore in the case of 36 Type 8 Z 8 J we the flow is 1059 CFM while the External Static 0 60 lt 0 60 Pressure is 0 72 in WG at H position If the w rs 5 external static pressure is too great due to long 2 0 40 7 0 40 5 c e t extension of duct for example the air flow 5 5 volume may drop too low at each air outlet Fig i
42. tubing and drain hose into the rear of the indoor unit Provide sufficient length for the connections to be made Next bend the tubing with a pipe bender and connect them Fig 3 167 2 After performing a leak test wrap the refrigerant tubing and drain hose together with insulating tape as shown in the figure at right Fig 3 168 Then fit the tubing into the tubing storage space in the rear of the indoor unit and clamp in place 3 Adjust the indoor unit so that it is securely installed onto the rear panel It is necessary to install the external electronic expansion valve kit for the model S 19MS1U6 For installation refer to 3 53 External Electronic Expansion Valve Kit CZ P56SVK1U 3 51 Installing the Drain Hose The drain hose should be slanted downward to the outside Fig 3 169 b Never form a trap in the course of the hose a If the drain hose will run in the room insulate the hose so that chilled condensation will not damage furniture or floors 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 C lt 52 Rear panel tab Insulating tape Refrigerant tubing ANN NE Indoor and Plastic cover outdoor unit connection wiring Fig 3 166 Insulation Fig 3 167 Refrigerant tubing Pa Rear panel O Inter un
43. unit should be a minimum of 16 4 feet but less than 26 2 feet Install away from locations where strictly quiet operation is required If this distance is unavailable install inside the ceiling or in another location where noise insulation is possible This is a functional component and therefore may require inspection and replacement Consider this when deciding the installation location For example place near an inspection port or provide one This valve is for indoor use Do not install the valve outdoors Diagram of outer dimensions TT F Indoor g Outdoor side side Connecting portion B Connecting portion B Extension cord 26 2 ft _ T 5 B awl 2 D J Type 56 160 Se A 12 51 64 14 11 64 10 53 64 B 1 4 3 8 A Fig 3 170 54 VRF_Indoor_US indb 54 Unit in 2011 09 30 aaa Se f 3 Cutting and Flaring of Liquid Tube After determining the position for installation cut the liquid tube and flare the connecting portion Pay attention to the notes below when flaring the tubes After cutting the tube deburr and finish the end face smoothly and correctly Do not damage tubes while flaring Take care not to allow dirt and deburred chips into the tube Use the flare nut which came with External Electronic Expansion Valve Kit The flaring dimensions for R41
44. wiring and Inter unit control wiring Conduit field supplied field supplied Earth screw Power wiring field supplied _ l Ei mi e Si Conduit field supplied Clamping clip Clamping Power wiring clip Earth screw field supplied Remote control wiring Connection for Solenoid and Inter unit control wiring Valve Kit for 3WAY field supplied 67 VRF_Indoor_US indb 67 2011 09 30 adil Se Important Note When Wiring for Common Type Continued E1 Type T1 Type Remote control wiring and Inter unit control wiring field supplied Clamping clip ol w one gt Tp B h O NE ie 5 LLR I Clamping e P clip P Conduit field lied Ee pe iia supplied SPI
45. 0A are different from the conventional dimensions for R407C and R22 For R410A the specially created flaring tool is recommended However a conventional tool can be used by adjusting the amount of copper tube projection as shown in the table below Unit in Y Rigid clutch type OO R410A R407C R22 JJ If special R410A If conventional If conventional tool is used tool is used tool is used B 0 1 64 3 64 1 16 0 1 64 Copper tube projection for flaring B in Fig 3 171 4 Connection of External Electronic Expansion Valve with Tubing In connection with tubing take care to fit the external electronic expansion valve in the right direction Be sure to install with the mark on the label pointing upwards Also when connecting the flare use the arrow marks on the label to check the directions of the indoor unit side and outdoor unit side The wiring outlet side faces the indoor unit Refer to Fig 3 172 race ee 2 ot ox Hs da Sto Attached label on the unit amp G PA Dag SO xX Ss Do 70 EXTERNAL ELECTRONIC EXPANSION VALVE KIT SOURCE SERIAL NO 2 o h INDOOR OUTDOOR SIDE UP SIDE MUST BE INSTALLED AS ARROWS Fig 3 172 Tightening flare nuts CAUTION Be sure to use 2 spanners together when removing or tightening the flare nuts After connection with the tubing tighten the flare 1 4 06 35 120 160 Ibs inch nuts by the correct t
46. 2 3 Remove the flare nut from the unit and be sure to mount it on the copper tube 4 Make a flare at the end of copper tube with a flare tool Fig 5 3 A good flare should have the following characteristics inside surface is glossy and smooth edge is smooth tapered sides are of uniform length VRF_Indoor_US indb 71 71 Deburring Before After gi Z 7 gt 4 A Fig 5 1 Copper r tubing KS Reamer cy NIER OA Fig 5 2 FI j S are nut Pa a tubing LL x Flare tool Fig 5 3 2011 09 30 MEE Se f Caution Before Connecting Tubes Tightly 1 Apply a sealing cap or water proof tape to prevent dust or water from entering the tubes before they are used 2 Be sure to apply refrigerant lubricant to the matching surfaces of the flare and union before connecting them together This is effective for reducing gas leaks Fig 5 4 3 For proper connection align the union tube and flare tube straight with each other then screw in the flare nut lightly at first to obtain a smooth match Fig 5 5 Adjust the shape of the liquid tube using a tube bender at the installation site and connect it to the liquid tubing side valve using a flare Cautions During Brazing Replace air inside the tube with nitrogen gas to prevent copper oxide film from forming during the brazing process Oxygen carbon dioxide and Freon are not acceptable Do not allow the tub
47. 23 Checking the Drainage 3 24 Increasing the Fan Speed 3 25 When Installing the Indoor Unit 3 26 Required Minimum Space for Installation and Service Slim Low Static Ducted Type M1 Type 3 27 Required Minimum Space for Installation and Service 3 28 Preparations Before Installation 3 29 For Bottom Intake 3 30 Installing the Duct 3 31 Suspending the Indoor Unit 3 32 Installing the Drain Piping 3 33 Checking the Drainage 3 34 Increasing the Fan Speed High Static Pressure Ducted Type E1 Type 3 35 Required Minimum Space for Installation and Service 3 36 Suspending the Indoor Unit 3 37 Installing the Drain Piping 3 38 Caution for Ducting Work 3 39 Indoor Fan Performance VRF_Indoor_US indb 4 3 40 Required Minimum Space for Installation and Service 3 41 Suspending the Indoor Unit 3 42 Duct for Fresh Air 3 43 Shaping the Tubing 3 44 Installing the Drain Piping B Wall Mounted Type K1 Type 3 45 Removing the Rear Panel from the Unit 3 46 Selecting and Making a Hole 3 47 Installing the Rear Panel onto the Wall 3 48 Removing the Grille to Install the Indoor Unit 3 49 Preparing the Tubing 3 50 Shaping the Tubing 3 51 Installing the Drain Hose 3 52 When Using Wireless Remote Controller Instead of Wired Remote Controller 3 53 External Electronic Expansion Valve Kit CZ P56SVK1U B Floor Standing Type P1 Type B SUPPLEMENT ON DRAIN PIPING 4 6 Concealed Floor Standing Type R1 Type 3 54
48. Air intake air filter Air outlet duct connecting flange optional Air outlet Front panel Drain pan Water drain Air intake air filter 2011 09 30 zand i T f E Care and Cleaning 1 For safety be sure to turn the air conditioner off and also to disconnect WARNING the power before cleaning Do not pour water on the indoor unit to clean it This will damage the internal components and cause an electric shock hazard N Air intake and outlet side Clean the air intake and outlet side of the indoor unit with a vacuum cleaner Indoor unit brush or wipe them with a clean soft cloth If these parts are stained use a clean cloth moistened with a mild liquid detergent When cleaning the air outlet side be careful not to force the vanes out of place 1 Never use solvents or harsh chemicals when cleaning the indoor unit Do not wipe plastic parts using very hot water 2 Some metal edges and the fins are sharp and may cause injury if handled improperly be especially careful when you clean these parts 3 The internal coil and other components of the outdoor unit must be cleaned every year Consult your dealer or service center Air filter The air filter collects dust and other particles from the air and should be cleaned at regular intervals as indicated in the table below or when the filter indication on the display of the remote controller wired type shows that th
49. Amg 53 2011 09 30 ven lt p i Se 3 53 External Electronic Expansion Valve Kit CZ P56SVK1U death ma AN ere product or property damage Precautions in this manual are given in the form of Warnings or Cautions Both types of precautions contain important information related to your safety the safety of users and the correct operation installation or maintenance of the air conditioning system Be sure to carefully observe all relevant precautions This symbol refers to a hazard or unsafe practice which can result in severe personal injury or This symbol refers to a hazard or unsafe practice which can result in personal injury or This external electronic expansion valve is compatible with the refrigerants listed below R410A R407C R22 1 Checking Parts Please check these parts below that came in the box Description Shape ow Description shae ow External electronic expansion valve Extension cord 26 2 ft me A gt 2 Positioning for Installation Clamp Large 13 25 32 Small 7 7 8 4 instalation anuai manual The valve should be connected to the liquid tube Determine the position for installation referring to the diagram of outer dimensions Fig 3 170 Refrigerant flow noise may occur from the external electronic expansion valve As a Large 2 Small 4 SS guide the distance from the indoor
50. ES before beginning You must ensure that installation complies 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 9 If the power supply cord of this appliance is damaged it must be replaced by a repair shop appointed by the manufacture because special purpose tools are required 4 2 Recommended Wire Length and Wire Diameter for Power Supply System Indoor unit Type Time delay fuse or circuit capacity K1 10 16A D1 U1 Y1 T1 F1 M1 P1 R1 10 16A Eil 10 16 A Control wiring A Inter unit between outdoor and B Remote control wiring C Control wiring for group control indoor units control wiring AWG 18 0 75 mm AWG 18 0 75 mm AWG 18 0 75 mm Max 3 280 ft Max 1 640 ft Max 650 ft Total D Inter outdoor unit control wiring NOTE AWG 18 0 75 mm With ring type wire terminal Max 980 ft 63 VRF_Indoor_US indb 63 2011 09 30 vent VRF_Indoor_US indb 64 Se 4 3 Wiring System Diagram ex W 3WAY ECO i Indo
51. Required Minimum Space for Installation and Service 3 55 Dimensions and Part Names 3 56 Removing and Attaching the Front Panel Floor Standing Type 3 57 Installing the Refrigerant Tubing 3 58 Installing the Drain Piping 3 59 Installing the Remote Controller ELECTRICAL WIRING 4 1 General Precautions on Wiring 4 2 Recommended Wire Length and Wire Diameter for Power Supply System Wiring System Diagram Important Note When Wiring for Common Type Important Note When Wiring for Y1 Type 4 3 4 4 4 5 HOW TO PROCESS TUBING neee 71 5 1 Connecting the Refrigerant Tubing 5 2 Connecting Tubing Between Indoor and Outdoor Units 5 3 Insulating the Refrigerant Tubing 5 4 Taping the Tubes 5 5 Finishing the Installation APPENDIX oe sn cuastedecncdenseusenastasnscnecs 75 B NAME OF PARTS B Care and Cleaning B Troubleshooting E Tips for Energy Saving 2011 09 30 aas 1 GENERAL Se f This booklet briefly outlines where and how to install the air conditioning system Please read over the entire set of instructions for the outdoor unit and make sure all accessory parts listed are with the system before beginning 1 1 Tools Required for Installation not supplied Flathead screwdriver Phillips head screwdriver Knife or wire stripper Tape measure Level gauge Sabre saw or key hole saw Hacksaw Core bits Hammer 10 Drill 11 Tube cutter 12 Tube flaring tool 13 Tor
52. S 0 En K HT EO RS HT 5 5 2 2 HNE H amp g 0 20 0 20 M 2 M 7 M L L L 742 918 9 883 1059 e 883 1059 706 1059 706 1413 706 1413 Air Flow Volume CFM Air Flow Volume CFM Air Flow Volume CFM ALU HT Using the booster cable H At shipment gt Fig 3 99 33 2011 09 30 za i Se 3 25 When Installing the Indoor Unit Confirm that the indoor unit should be installed in a horizontal position Use the level gauge or vinyl tube and check every four corner of the unit is in horizontal If the air outlet duct flange is positioned with downward gradient there is in danger of water splash or drainage Also dust may sometimes be contaminated inside the drain pan caused by the residual drain water Install the air outlet duct flange side in horizontal or upward and within the range of 3 8 in the upward direction Never install it with a downward gradient against horizontal Level gauge Make sure to confirm that the unit is in horizontal at the position of the ceiling mount hanger by using a level gauge or vinyl tubing Prohibited Prohibited A gt Fig 3 100 3 26 Required Minimum Space for Installation and Service If the ceiling tiles cannot be removed provide the opening holes on the lower side of the indoor unit for removing the unit in order to maintain and clean the drain pan and heat exchanger or provide a minimum of 1 0 ft or more space
53. SE 1 Sp Im Sl il Earth screw Power wiring Earth screw field supplied Remote control wiring field supplied Power wiring field supplied Conduit field supplied M1 Type P1 R1 Type N en SY TR 3 Clamping clip 3 Power wiring field supplied 2 Power wiring Conduit field supplied field supplied Remote control wiring and Inter unit control wiring Clamping Earth screw Connection for Solenoid Valve Kit for 3WAY clip field supplied wiring field supplied Optional remote control 3 way connection wiring with harness supplied 68 VRF_Indoor_US indb 68 2011 09 30 aan Important Note When Wiring for Common Type Continued Se K1 Type Model S O7MK1U6 Clamping S 09MK1U6 strap S 12MK1U6 Connection for Solenoid Valve Kit for 3WAY Power wirin field suppli Ui field supplied
54. Standing Type P1 Type Concealed Floor Standing Type R1 Type Horizontal view Vertical view 3 54 Required Minimum Space for Installation and Service Install the unit where cooled or heated air from the unit can circulate well in the room Do not put obstacles which may obstruct the air flow in front of the air intake and outlet grilles NOTE Fig 3 177 Ensure there is adequate space for maintenance of the electrical component box air filter and refrigerant tubes min 3 3 ft 3 55 Dimensions and Part Names Floor Standing Type P1 Type 1 4 15 32 holes for fastening the indoor unit to the floor with screws Air filter 3 Refrigerant connection outlet liquid tube Refrigerant connection outlet gas tube Level adjusting bolt Drain outlet 20 A D Power cord outlet downward rear Refrigerant tubing outlet downward rear 41 59 64 26 3 16 24 7 8 Q Location for mounting the remote controller F remote controller can be attached within the room 6 11 32 1 1 32 A Unit in Side panel Refrigerant tubing space for downward tubing 9 17 64 2 23 32 Air outlet a 24 7 32 1 3 8 aH 59 64 peu N 5 be Y 5 Om 19 32 63 64 og 8 5 32 8 Air inlet Rear tube outlet 8 17 64 we Fig 3 178 58 VRF_Indoor_US indb 58 2011 09 30 zal
55. Tighten the hose clamps so Ne their locking nuts face upward Fig 3 6 2 After checking the drainage wrap the supplied packing and drain pipe insulator around the pipe Fig 3 7 Make sure the drain pipe has a downward gradient 1 100 or more and that there are no water traps VRF Indoor _USindb 11 Se f Nuts and washers Suspension lug use for upper and lower T Double nut Notch t 15 32 43 64 12 17 a actin Unit in mm Fig 3 5 Hose band Hard PVC pipe i VP 25 PVC adhesive Field supply il Ca J Hi Drain insulator supplied Fig 3 6 Supplied Connection pipe drain hose drain port Drain insulator supplied Fig 3 7 Air bleed hibited yA ir bleeder prohibite Fig 3 8 Do not install an air bleeder as this may cause water to spray from the drain pipe outlet Fig 3 8 Nen 2011 09 30 sal Se Nen In cases where it is necessary to raise the height of the drain piping the drain piping can be raised to a maximum height of 33 15 32 above the bottom surface of the ceiling Under no conditions attempt to raise it higher than 33 15 32 above the bottom surface of the ceiling Doing so will result in water leakage Fig 3 9 Do not install the pipe with an upward gradient from the connection port This will ca
56. and table Fig 3 3 and i a Table 3 2 show the relationship between the positions of the A suspension bolt pitch suspension fitting unit and panel Table 3 2 Unit in mm C ceiling opening dimension Length A B c D E Fig 3 2 Type 4 29 64 6 13 16 10 5 64 8 17 64 3 15 32 12 18 24 113 173 256 210 88 36 4 29 64 6 13 16 12 9 16 8 17 64 3 15 32 113 173 319 210 88 Drain outlet other side VP25 Refrigerant tubing joint liquid side Refrigerant tubing joint gas side B g e TP Suspension lug o a 8 BZ a o w i a i T y Power supply outlet t Inter unit control wiring Unit in mm Fig 3 3 3 3 Placing the Unit Inside the Ceiling 3 N 3P 1 When placing the unit inside the ceiling determine the 8 IE pitch of the suspension bolts using the supplied full 5 Bd scale installation diagram Fig 3 4 o TS Tubing and wiring must be laid inside the ceiling when j i ik suspending the unit If the ceiling is already i constructed lay the tubing and wiring into position for l Fi Full scale installation diagram Unit in mm connection to the unit before placing the unit inside Supplied bolt printed on top of container box the ceiling Fig 3 4 10 VRF_Indoor_US indb 10 2011 09 30 sal 2 The length of suspension bolts must be appropriate for a distance between the bottom of the bolt and the bottom of the unit of more than 19 32 as shown in Fig 3 5
57. crete Hole in plug Insert O RE 7 LL Suspension bolt M10 or 3 8 Fig 3 54 Ceiling tiles 2011 09 30 el Se 3 15 Placing the Unit Inside the Ceiling Be sure to use a level gauge and confirm that the unit is level If it is not level water leakage may occur 1 Use the supplied M5 or 3 16 screws 4 to attach the full scale installation diagram to the indoor unit suspension lugs in order to obtain the ceiling opening dimensions for suspending the unit Fig 3 56 Caution Piping and wiring work must be performed inside the ceiling after the unit is suspended Therefore if the ceiling is already installed the wiring and piping work should be completed up to the connection points prior to suspending the unit 2 Attach the special washers supplied and nuts field supply to the suspension bolts 4 locations Use M10 or 3 8 nuts The length of the suspension bolts must be such that there is a space of at least 19 32 below the bottom of the suspension lugs as shown in Fig 3 56 If the length of the suspension bolts is too long the bolts may interfere with the ceiling panel and louver motor preventing their installation 3 Thread the 3 hexagonal nuts and 2 washers field supply onto each of the 4 suspension bolts as shown in Fig 3 59 Use 1 nut and 1 washer for the upper side and 2 nuts and 1 washer for the lower side so that the unit will not fall off the suspension lugs
58. d result in not a downward gradient 19 11 16 or less water leaks F 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 Do not apply force to the piping on the unit side when Fig 3 114 connecting the drain pipe The pipe should not be allowed to hang unsupported from its connection to the unit pwardgradieni Fasten the pipe to a wall frame or other support as e close to the unit as possible I Jr Prohibited 3 33 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 l catch and wipe up spilled water Support pieces 1 Connect power to the power terminal board R S 4 N terminals inside the electrical component box ll Fig 3 115 2 Remove the eyelet cap and through the opening slowly pour about 0 13 gal of water into the drain pan to check drainage 3 Short the check pin CHK on the indoor control board and operate the drain pump Check the water flow through the transparent drain port and see if there is any leakage Fig 3 116 39 VRF_Indoor_US indb 39 2011 09 30 za Se f Be careful since the fan will Wi
59. d to prevent water leaks The PVC pipe must be purchased separately The transparent drain part on the unit allows you to check drainage Fig 3 91 Nen Do not use adhesive at the drain connection port on the indoor unit Insert the drain pipe until it contacts the socket as shown in the figure at right then secure it tightly with the hose band Do not use the supplied drain hose bent at a 90 angle The maximum permissible bend is 45 Tighten the hose clamps so their locking nuts face upward Fig 3 91 2 After connecting the drain piping securely wrap the supplied packing and drain pipe insulator around the pipe then secure it with the supplied vinyl clamps Fig 3 92 Ca Make sure the drain pipe has a downward gradient 1 100 or more and that there are no water traps cause water to spray from the drain pipe outlet Fig 3 93 If it is necessary to increase the height of the drain pipe the section directly after the connection port can be raised a maximum of 19 11 16 Do not raise it any higher than 19 11 16 as this could result in water leaks Fig 3 94 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 95 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 t
60. d washer head screws at the 4 panel installation locations so that the panel is attached tightly to the unit Fig 3 20 2 4 Check that the panel is attached tightly to the ceiling At this time make sure that there are no gaps between the unit and the ceiling panel or between the ceiling panel and the ceiling surface Fig 3 21 f there is a gap between the panel and the ceiling leave the ceiling panel attached and make fine adjustments to the installation height of the unit to eliminate the gap with the ceiling Fig 3 21 Inter unit control wiring Screw supplied M4 8 or 5 32 5 16 Fig 3 19 1 Square hole in unit Wiring cover supplied Power supply outlet Fig 3 19 2 RIN fastener Fig 3 20 1 Drain tubing corner Refrigerant tubing corner After completing the wiring process install the supplied wiring cover before installing the panel It is not possible to install the wiring cover after installing the panel DRAIN mark REF PIPE Panel installation hole mark 4 locations Washer head screws i Fig 3 20 2 Insert a wrench or other tool into the corner cover Do not allow a gaps and make fine Male uot adjustments to lt lt the unit nut Ceiling surface Ceiling panel pS SA Fig 3 21 Fig 3 22 f the screws are not sufficiently tightened trouble such as that shown in the f
61. e direction shown by the arrow 1 to remove the corner cover Fig 3 18 Air intake grille hinge Fig 3 16 Corner cover VRF_Indoor_US indb 13 A must be within the range of 15 32 43 64 Fig 3 13 If not within this range malfunction or other trouble may occur Main unit Ceiling opening a dimension lm Ceiling side Fig 3 13 Air intake grille Ceiling panel Fig 3 17 Ceiling panel Corner cover gp 2011 09 30 IN 3 6 2 Installing the Ceiling Panel After completing the wiring process install the supplied wiring cover before installing the panel It is not possible to install the wiring cover after installing the panel The power must be turned ON in order to change the flap angle Do not attempt to move the flap by hand Doing so may damage the flap 1 Insert the temporary fasteners stainless steel on the inside of the ceiling panel into the square holes on the unit to temporarily fasten the ceiling panel in place Fig 3 20 1 The ceiling panel must be installed in the correct direction relative to the unit Align the REF PIPE and DRAIN marks on the ceiling panel corner with the correct positions on the unit To remove the ceiling panel support the ceiling panel while pressing the temporary fasteners toward the outside Fig 3 20 1 2 Align the panel installation holes and the unit screw holes 3 Tighten the supplie
62. e filter needs cleaning If the filter gets blocked the efficiency of the air conditioner drops greatly Type U1 Y1 D1 T1 F1 M1 E1 P1 R1 K1 Period Six months Two weeks depending on filter Two weeks Two weeks A gt specifications Ti F1 E1 type An air filter is not provided with this air conditioner at the time of shipment To get clean air and to extend the service life of the air conditioner an air filter must be installed in the air intake For installation and cleaning the air filter consult your dealer or service center NOTE The frequency with which the filter should be cleaned depends on the environment in which the unit is used How to clean the filter 1 Remove the air filter from the air intake grille 2 Use a vacuum cleaner to remove light dust If there is sticky dust on the filter wash the filter in lukewarm soapy water rinse it in clean water and dry it 76 VRF_Indoor_US indb 76 2011 09 30 zand Se E Care and Cleaning continued How to remove the filter 4 Way Cassette U1 4 way Cassette 60 x 60 Y1 VRF_Indoor_US indb 77 1 Way Cassette D1 1 Use a screwdriver to remove the bolt screw on each side for the two latches Be sure to reattach the two bolt screws after cleaning 2 Press on the two latches of the air intake grille with your thumbs in the direction of the arrow to open the grille 3 Open the air intake grille downward W
63. ear panel should be used tubing hole tubing hole Fig 3 153 For S 18MK1U6 S 19MS1U6 S 24MK1U6 E 3 Before drilling a hole check that there are no studs or pipes behind the determined location The above precautions are also applicable if tubing goes through the wall in any other location af We 4 Using a sabre saw key hole saw or hole cutting drill Ll Sd o attachment make a hole dia 3 5 32 in the wall Fig 3 154 coe i ata a Rar 5 Measure the thickness of the wall from the inside edge to the outside edge and cut the PVC pipe at a slight angle 15 64 shorter than the thickness of the wall Fig 3 155 Fig 3 153 6 Place the plastic cover over the end of the pipe for indoor Indoor Outdoor side only and insert in the wall Fig 3 156 side Tubing hole diameter 93 5 32 The hole should be made at a slight downward gradient to the outside S Fig 3 154 Avoid areas where electrical PVC pipe field supply CAUTION wiring or conduits are located INSIDE Wwa OUTSIDE caution SOS Plastic B i cover PVC pipe SS Slight 7 angle Cut at slight angle ad Fig 3 155 Fig 3 156 VRF_Indoor_US indb 49 2011 09 30 aasal VRF_Indoor_US indb 50 Se 3 47 Installing the Rear Panel onto the Wall Confirm that the wall is strong enough to support the unit See either Item a or b below depending on the wall type
64. ed 5 33 64 Hose band 2 bands supplied f other commercially available hose bands are used the Unit Fig 3 33 drain hose may become pinched or wrinkled and there is danger of water leakage Therefore be sure to use the supplied hose bands When sliding the hose bands be Nen fastener is on the side of the Attach so that the hose band careful to avoid scratching the drain hose drain port Do not use adhesive when connecting the supplied drain Attach the hose bands so that hose to the drain port either on the main unit or the PVC each is approximately 13 64 to pipe 63 64 from the end of the Reasons 1 It may cause water to leak from the supplied drain hose connection Since the connection is slippery just after the adhesive has been applied the Air bleeder prohibited pipe easily slips off 2 The pipe cannot be removed when maintenance is needed A gt Wrap the hose with the supplied drain hose insulation and mun use the 4 twist ties so that the hose is insulated with no gaps Do not bend the supplied drain hose 90 or more The hose may slip off Do not install an air bleeder as NOTE Nen this may cause water to spray from the drain pipe outlet Make sure the drain pipe has a downward gradient 1 100 or more and that there are no water traps Nen In cases where it is necessary to raise the height of the 1 ft or less drain piping the drain p
65. eld Air inlet side Attach the duct and intake side flange field supply Connect the flange to the main unit with 10 1 8 Hole screws Wrap the intake side flange and duct connection area with aluminum tape or something similar to prevent air escaping When attaching a duct to the intake side be sure to attach an air filter inside the air passage on the intake side Use an air filter whose dust collecting efficiency is at least 50 in a gravimetric technique The included filter is not used when the intake duct is attached Air outlet side Connect the duct according to the air outside of the outlet side flange Wrap the outlet side flange and the duct connection area with aluminum tape or something similar to prevent air escaping Be sure to insulate the duct to prevent condensation from forming Material glass wool or polyethylene foam 1 in thick Use electric insulation between the duct and the wall when using metal ducts to pass metal laths of the net or fence shape or metal plating into wooden buildings Be sure to explain about the way of maintaining and cleaning local procurements air filter grille both air outlet and suction grille etc to your customer Flange Field supply Flange Insulation material yaks supply Connection screw x10 Rectangular solid duct Field supply Main unit
66. emoving or attaching the panel take care not to damage the lead wire to the heater How to remove the front panel 1 Remove the 2 screws at the lower part of the front panel 2 Holding A at the upper right of the unit push up at B at the lower right of the panel The right side of the front panel is removed Then remove the left side of the front panel following the same procedure 3 Cut off the binding strap to loosen the glass fiber tube 4 Disengage the lead wire connector from the dewprevention heater by pressing the tab 5 Remove the string connecting the front panel of the unit by unhooking it from the fixture attached to the panel How to attach the front panel 1 Hook the string to the fixture of the front panel 2 Expose the tip of the dew prevention heater from the glass fiber tube in order to make connection smoothly 3 Connect the lead wire connector to the dew prevention heater until the click sounds 4 After the connection tighten the glass fiber tube nearby connected area inside the tube with the binding strap 5 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 6 Insert the 2 screws at the lower part of the front panel 3 57 Installing the Refrigerant Tubing 1 When connecting the gas tube use the supplied tubing 2 Tubes can
67. es for HT H M and L fan speed control are shown The nameplate values are shown based on the H air flow For the 18 and 24 types the air flow is 635 CFM while the external static pressure is 0 20 in WG at H position If external static pressure is too great due to long extension of ducts 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 VRF_Indoor_US indb 33 o a So in WG 2 D External Static Pressure o io oO S 07MF1U6 S 09MF1U6 S 18MF1U6 S 12MF1U6 S 15MF1U6 S 24MF1U6 0 60 0 60 0 60 fo T z z z g EPs g e 3 e FS 5 Fi FS 5 ie parE ge 2 H o a o S HT 2 Y 2 S 2 amp 2 X 2 2 amp SIN N N amp CS Fa 3 T Y 3 H 0 20 0 20 0 20 S 2 HT g i H i mi M L 0 0 o 371 494 565 177 ad 306 5 318353 428 530 353 706 Air Flow CFM Air Flow CFM Air Flow Volume CFM S 48MF1U6 S 54MF1U6 S 36MF1U6 ES 0 60 2 5 5 0 60 5 N aly z z es ge Lo Mind v M v Q KO O S Sy HT BS 8 D ES 0 40
68. event that is refrigerant gas leaks during the installation Be careful not to allow contact of the refrigerant gas with a flame as this will A gt cause the generation of poisonous gas e Keep all tubing runs as short as possible e Use the flare method for connecting tubing e Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them then tighten the nut with a torque wrench for a leak free connection e Check carefully for leaks before starting the test run e When performing piping work do not mix air except for specifled refrigerant R410A in refrigeration cycle It causes capacity down and risk of explosion and injury due to high tension inside the refrigerant WARNING cycle e Refrigerant gas leakage may cause fire Do not add or replace refrigerant other than specified type It may cause product damage burst and injury etc e Do not leak refrigerant while piping work for an installation or re installation and while repairing refrigeration parts Handle liquid refrigerant carefully as it may cause frostbite 2011 09 30 aas When Servicing e Do not touch the air inlet or the andersdenkend EI E TEEPA ESETE E REPERE verdraaien ene AN sharp aluminum fins of the e Turn the power OFF at the main power box mains E outdoor unit You may get injured fi Diar i k before opening the unit to check or repair electrical Ventilate any encl
69. f the adhesive on both sides of the supplied drain hose with a joint socket and hard PVC pipe Wipe off the protrusion adhesive with a soft cloth Note Be sure to tightly insert the hard _ PVC pipe joint including elbow minimum 13 16 in or more However do not use the hard PVC pipe joint allowable more Indoor unit HHH f than 2 1 8 in insertion 2 1 4 in Packing supplied After checking the drainage wrap the supplied packing and drain pipe insulator around the pipe Drain insulator supplied There is possibility to cause water leakage unless the above steps are carried out 2 Checkpoint after installation After installation of indoor and outdoor units panels and electrical wiring check the following items Checkpoint Symptom Remark Make sure whether indoor and outdoor units are correctly installed Fall vibration noise Make sure whether gas leakage is tested No cooling no heating Make sure whether insulation is completed Refrigerant piping and drain piping Water leakage Make sure whether drain water is running smoothly Water leakage Make sure whether the power voltage matches the nameplate Inoperative burnout Make sure whether there is miswiring or incorrect connection Inoperative burnout Make sure whether the
70. g 3 25 2 Use the supplied screws to attach the corner cover to the ceiling panel Fig 3 25 B Attaching the air intake grille To install the air intake grille follow the steps for Removing the grille in the reverse order By rotating the air intake grille it is possible to attach the grille onto the ceiling panel from any of 4 directions Coordinate the directions of the air intake grilles when installing multiple units and change the directions according to customer requests Fig 3 26 When attaching the air intake grille be careful that the flap lead wire does not become caught Be sure to attach the safety cord that prevents the air intake grille from dropping off to the ceiling panel unit as shown in the figure at right With this ceiling panel the directions of the air intake grille lattices when installing multiple units and the position of the label showing the company name on the corner panel can be changed according to customer requests as shown in the figure below However the optional wireless receiver kit can only be installed at the refrigerant tubing corner of the ceiling unit Fig 3 27 Locations of the air intake grille catches at the time the product is shipped The grille can be installed with these catches facing in any of 4 directions Unit drain hose side Unit electrical component box jl VRF_Indoor_US indb 15 Direction that the unit faces has been changed to facil
71. ground construction is completed Ground leakage Make sure whether the wire gauge is followed by the recommended specifications Inoperative burnout Make sure whether the air intake and air outlet of the indoor and outdoor units are sealed by obstacles VRF_Indoor_US indb 62 No cooling no heating 62 2011 09 30 aaa Se 4 ELECTRICAL WIRING 4 1 General Precautions on Wiring 1 Before wiring confirm the rated voltage of the unit as shown on its nameplate then carry out the wiring closely following the wiring diagram 2 Provide a power outlet to be used exclusively for each unit and a power supply disconnect circuit breaker and earth leakage breaker for overcurrent protection should be provided in the exclusive line 3 To prevent possible hazards from insulation failure the unit must be grounded 4 Each wiring connection must be done in accordance with the wiring system diagram Wrong wiring may cause the unit to disorder or become damaged 5 Do not allow wiring to touch the refrigerant tubing compressor or any moving parts of the fan 6 Unauthorized changes in the internal wiring can be very dangerous The manufacturer will accept no responsibility for any damage or malfunction that occurs as a result of such unauthorized changes 7 Regulations on wire diameters differ from locality to locality For field wiring rules please refer to your LOCAL ELECTRICAL COD
72. he ceiling where the unit is to be installed pass refrigerant piping drain piping transmission wiring and remote control wiring It is not necessary if using a wireless remote controller to the unit s piping and wiring holes See 5 HOW TO PROCESS TUBING 3 32 Installing the Drain Piping and 4 ELECTRICAL WIRING e After opening the ceiling hole make sure ceiling is level if needed It might be necessary to reinforce the ceiling frame to prevent shaking Consult an architect or carpenter for details 3 29 For Bottom Intake P For bottom intake replace the chamber lid and protection net in the procedure shown in the diagram D 1 Remove the Frame Filter Assy Remove the chamber lid 2 Refer to the diagram to attach the chamber lid and Frame Filter Assy in the direction of the arrow Note Attach the lid with the dummy holes downward 3 Attach the Frame Filter Assy supplied in the manner shown in the diagram 1 Air intake 3 7 VZ Main unit Attach the Frame Filter Assy to the main unit while pushing the tip of the latches in the direction of the arrow Filter Assy Chamber lid Dummy hole 2 Dummy hole A Pl In case of bottom side In case of back side ey SSeS Filter Assy Air disc Se ed Air intake Th Fig 3 105 36 VRF_Indoor_US indb 36 2011 09 30 a Se f 3 30 Installing the Duct Connect the duct supplied in the fi
73. he 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 R S terminals inside the electrical component box 2 Slowly pour approx 0 2 gal of water into the drain pan using a siphon pump through the air outlet grille Fig 3 68 3 Short the check pin CHK on the indoor control board and operate the drain pump Check the water flow through the transparent drain pipe 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 drainage check is complete open the check pin CHK and remount the insulator The bottom drain port is for use CAUTION only during test runs and servicing inspections Do not connect the drain pipe to the bottom drain port 25 oe X Air bleed valve ia eee Length of supplied drain hose 9 27 32 Fig 3 65 X Upward gradient prohibited Fig 3 66 Support bracket Fig 3 67 Drainage check Drain tube connection transparent Discharge port water approx 0 2 gal Fig 3 68 2011 09 30 aol Se f 3 18 Electrical Power Wiring Refrigerant tubing joint Drain pipe connection 1 Wiring connections gas tube Be sure to connect the Refri eHUBaaGiAt supplied flexible hose The power inlet is o
74. height of the unit 5 Check the unit is horizontally level Make sure the unit is installed level using a level or a plastic tube filled with water In using a plastic tube instead of a level adjust the top surface of the unit to the surface of the water at both ends of the plastic tube and adjust the unit horizontally One thing to watch out for in particular is if the unit is installed so that the slope is not in the direction of the drain piping this might cause leaking 6 Tighten the upper nut a Se Hole in anchor Hole in plug Concrete Insert a a 8 a 8 Suspension bolt M10 or 3 8 field supply Fig 3 107 Ceiling tiles Ceiling support Fig 3 108 Suspension bolt Nuts and washers Suspension lug use for upper and lower Double nuts Fig 3 110 Fig 3 111 VRF_Indoor_US indb 38 2011 09 30 a Se f 3 32 Installing the Drain Piping Tuitis Unit in 1 Prepare standard hard PVC pipe O D 1 1 32 for the 4 ties supplied Drain hose Hard PVC pipe drain and use the supplied hose band to prevent water Binet insulation equivalent to Position to leaks supplied O D 1 1 32 fasten hose The PVC pipe must be purchased separately The Field supply bands transparent drain part on the unit allows you to check
75. hen cleaning the air filter never remove the safety chain If it is necessary to remove it for servicing and maintenance inside be sure to reinstall the safety chain securely hook on the grille side after the work When the filter has been removed rotating parts such as the fan electrically charged areas etc will be exposed in the unit s opening Bear in mind the dangers that these parts and areas pose and proceed with the work carefully 4 Remove the air filter attached to the air intake grille 4 Way Cassette U1 Air intake grille Bolt screws 4 way Cassette 60 x 60 Y1 Air intake Screw grille Air filter 1 Take hold of the finger hold on the air intake grille and press it to the rear and the grille will open downward 2 Take hold of the finger hold on the air filter pull it toward you Air filter finger hold Air filter finger hold Take hold of the finger hold on the air filter pull it toward you 77 2011 09 30 zand i f E Care and Cleaning continued How to remove the filter continued Ceiling T1 1 Take hold of the finger hold on the air intake grille and press it to the rear and the grille will open downward 2 Take hold of the finger hold on the air filter pull it toward you Air intake grill finger hold Air filter finger hold Take hold of the finger hold on the air filter pull it toward you Wall Mounted K1 1 Move
76. ical codes and regulations Inter unit control wiring 1 9 32 knock out Eyelet supplied Fig 3 150 VRF_Indoor_US indb 48 2011 09 30 aasal 48 Se f B Wall Mounted Type K1 Type 3 45 Removing the Rear Panel from the Unit K 1 Remove the set screws used to fasten the rear panel to the Od indoor unit during transportation 2 Press up on the frame at the 2 locations shown by the arrows in the figure at right and remove the rear panel NOTE Press A Screws used during aN transportation N y Tubing can be extended in 4 directions as shown in Fig 3 152 Remove the rear panel Select the direction which will provide the shortest run to the Fig 3 151 outdoor unit Except S 18MK1U6 S 19MS1U6 For S 18MK1U6 S 19MS1U6 Left tubing recommended Left tubing Right rear Right rear tubing recommended Left rear tubing Fig 3 152 2 Right tubing Fig 3 152 1 3 46 Selecting and Making a Hole For S 07MK1U6 S 09MK1U6 S 12MK1U6 1 Remove the rear panel from the indoor unit and place it on the wall at the location selected Fix the rear panel and hook the unit onto it temporarily Make sure the unit is horizontal using a level gauge or tape measure to measure down from the ceiling c K enter of left rear Center of right rear 2 Determine which notch of the r
77. igure below may occur Be sure to tighten the screws securely Air leakage Air leakage from l H ceiling surface je Staining se 6 Condensation water leakage VRF_Indoor_US indb 14 If a gap remains between the ceiling surface and the ceiling panel even after the screws are tightened adjust the height of the unit again ZZ Adjust so that there are no gaps Fig 3 23 14 The height of the unit can be adjusted from the ceiling panel corner hole with the ceiling panel attached to an extent that does not affect the unit levelness the drain hose or other elements ae ee JB ee LE SEE S a 2011 09 30 ek Se 3 6 3 Wiring the Ceiling Panel 1 Open the cover of the electrical component box 2 Connect the 7P wiring connector red from the ceiling panel to the connector in the unit electrical component box Fig 3 24 If the connectors are not connected the Auto flap will not operate Be sure to connect them securely Check that the wiring connector is not caught between the electrical component box and the cover Check that the wiring connector is not caught between the unit and the ceiling panel 3 6 4 How to Attach the Corner amp Air Intake Grille Attaching the corner cover and air intake grille A Attaching the corner cover 1 Check that the safety cord from the corner cover is fastened to the ceiling panel pin as shown in the figure Fi
78. iling Panel for Servicing When removing the ceiling panel for servicing remove the air intake grille and air filter disconnect the wiring connector inside the electrical component box and then remove the 4 mounting screws 3 13 7 Adjusting the Auto Flap The air direction louver on the ceiling panel outlet can be adjusted 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 21 VRF_Indoor_US indb 21 2011 09 30 aasal Se E 1 Way Cassette Type D1 Type 3 14 Suspending the Indoor Unit 1 Follow the diagrams to make the holes in the ceiling Figs 3 52 and 3 53 2 Depending on the ceiling type Insert suspension bolts as shown in Fig 3 54 or Use existing ceiling supports or construct a suitable support as shown in Fig 3 55 Make sure that the length of suspension bolts from the bottom of the unit is 19 32 or more Fig 3 56 Kam 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 3 Calc
79. ing panel to the indoor unit The hooks on one side 2 locations are stationary while the hook on the Stationary hook fe other side is moveable Fig 3 75 HH Lt J zzz 2 Angle the panel somewhat and fasten the stationary Moveable hook hook into the fastener on the side of the unit 3 After verifying that the hook is fastened press the Fig 3 76 other end up until the ceiling panel is level Then press upwards until the moveable hook is fastened into the fastener on the unit 4 Verify that the hooks on both sides of the ceiling panel are securely fastened to the unit If the hooks are not securely fastened the panel may fall At this point the panel is now provisionally fastened to the Fig 3 75 unit When removing the panel press the movable hook toward the inside while supporting the panel Fig 3 76 Moveable hook 27 VRF_Indoor_US indb 27 2011 09 30 ac Se 5 Align the installation holes on the panel with the bolt holes on the unit 6 Insert the supplied washer head bolts into the 4 panel installation holes and tighten until the panel is securely fastened against the unit Fig 3 77 7 Verify that the panel is securely fastened against the unit At this time make sure that there is no gap between the indoor unit and the ceiling panel or between the ceiling panel and the ceiling surface Fig 3 78 f
80. ing to get too hot during brazing The nitrogen gas inside the tubing may overheat causing refrigerant system valves to become damaged Therefore allow the tubing to cool when brazing Use a reducing valve for the nitrogen cylinder Do not use agents intended to prevent the formation of oxide film These agents adversely affect the refrigerant and refrigerant oil and may cause damage or malfunctions 5 2 Connecting Tubing Between Indoor and Outdoor Units 1 Tightly connect the indoor side refrigerant tubing extended from the wall with the outdoor side tubing 2 To fasten the flare nuts apply specified torque as at right When removing the flare nuts from the tubing connections or when tightening them after connecting the tubing be sure to use 2 adjustable wrenches or spanners as shown Fig 5 6 If the flare nuts are over tightened the flare may be damaged which could result refrigerant leakage and cause in injury or asphyxiation to room occupants For the flare nuts at tubing connections be sure to use the flare nuts that were supplied with the unit or else flare nuts for R410A type 2 The refrigerant tubing that is used must be of the correct wall thickness as shown in the table at right VRF_Indoor_US indb 72 Apply refrigerant lubricant Union Flare nut Fig 5 5 Torque wrench Spanner Indoor unit Outdoor unit Fig 5 6 Tightening torque Tube diameter approximate
81. iping can be raised to a maximum height of 2 78 ft above the bottom surface of the ceiling Under no conditions attempt to raise it higher than 2 78 ft above the bottom surface of the Length of supplied drain hose 5 33 64 Fig 3 34 ceiling Doing so will result in water leakage Fig 3 34 Do not use natural drainage Upward gradient prohibited Do not install the pipe with an upward gradient from the x one eee connection port This will cause the drain water to flow backward and leak when the unit is not operating Fig 3 35 Fig 3 35 Do not apply force to the piping on the unit side when 5 3 upport connecting the drain pipe The pipe should not be bracket 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 36 e Provide insulation for any pipes that are run indoors Fig 3 36 18 VRF_Indoor_US indb 18 2011 09 30 ees Se f Water drain 3 12 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 R S terminals inside the electrical component box 2 Slowly pour approx 0 13 gal of water into the drain Over pan to check drainage Fig 3 37 eee
82. ircuit R C address should be set before turning the power on K1 Type Model S 07MK1U6 S 09MK1U6 S 12MK1U6 K1 Type Model S 18MK1U6 S 19MS1U6 S 24MK1U6 64 6P terminal board Li L2 U1 U2 RI R2 Power Unit control Remote supply Line control Line 5P terminal board 1 L1 2 L2 U1 U2 Power Uni supply contro Line 5P terminal board 2011 09 30 vent VRF_Indoor_US indb 65 Se f 1 When linking outdoor units in a network disconnect the terminal extended from the short plug CN003 2P Black location right bottom on the outdoor main control PCB from all outdoor units except any one of the outdoor units When shipping In shorted condition For a system without link no connection wiring between outdoor units do not remove the short plug 2 Do not install the inter unit control wiring in a way that forms a loop Fig 4 1 N A Prohibited a N a remei Xx Prohibited Fig 4 1 3 Do not install inter unit control wiring such as star branch wiring Star branch wiring causes misaddress setting Fig 4 2 NO Coron Branch point Fig 4 2 4 If branching the inter unit control wiring the number of branch points should be 16 or fewer Branches less than 3 3 ft are not included in the total branch number Fig 4 3 A gt of ZA ZA Sf 7
83. is time make sure that there are no gaps between the unit and the ceiling panel or between the ceiling panel and the ceiling surface If there is a gap between the panel and the ceiling leave the ceiling panel attached and make fine adjustments to the installation height of the unit to eliminate the gap with the ceiling Nen If the screws are not sufficiently tightened trouble such as that shown in the figure below may occur Be sure _ to tighten the screws securely Air leakage Air leakage from ceiling surface Ae Staining hj 8 Condensation water leakage 3 13 3 Wiring the Ceiling Panel 1 Open the cover of the electrical component box for control PCB 2 Connect the 7P wiring connector red from the ceiling panel to the connector on the control PCB in the unit electrical component box Fig 3 48 If the connectors are not connected the Auto flap will not operate Be sure to connect them securely Check that the wiring connector is not caught between the electrical component box and the cover Check that the wiring connector is not caught between the unit and the ceiling panel VRF_Indoor_US indb 20 If a gap remains between the ceiling surface and the ceiling panel even after the screws are tightened adjust the height of the unit again Adjust so that there are no gaps 20 Temporary latches Temporary latch gt DRAIN mark
84. ishing insulating and taping over the tubing use sealing putty to seal off the hole in the wall to prevent rain and draft from entering Fig 5 11 Tubing Fig 5 11 74 VRF_Indoor_US indb 74 2011 09 30 MEE i f 6 APPENDIX E NAME OF PARTS 4 Way Cassette U1 4 Way Cassette 60 x 60 Y1 Water drain Water drain Calling panel optional Ceiling panel optional Air outlet 4 locations s Air outlet 4 locations Air intake grille air intake Air intake grille air intake Flexible duct optional cn Water drain ak Di Air outlet Water drain Ceiling panel optional Canvas duct optional Air intake Air intake grille air intake Air outlet grille S optional optional Slim Low Static Ducted M1 High Static Pressure Ducted E1 Rectangular solid duct optional Air intake side duct flange rear Water drain Electrical box Air outlet side duct flange mann Air intake side filter rear Ceiling T1 Wall Mounted K1 Air outlet Air intake Water drain Drain pipe can be connected to either the left or right side Air outlet Air intake grille air intake Floor Standing P1 Concealed Floor Standing R1 VRF_Indoor_US indb 75 Operation door The Remote Controller sold separately can be placed inside here Air outlet Air outlet grille Front panel A drain pan is provided inside
85. it wiring Drain hose Fig 3 168 A Insulating tape J Indoor unit HO Slant Refrigerant tubing Fig 3 169 2011 09 30 aaa VRF_Indoor_US indb 53 3 52 When Using Wireless Remote Controller Instead of Wired Remote Controller When the wireless remote controller is to be used slide the switch on the indoor unit control PCB If this setting is not made an alarm will occur The operation lamp on the display blinks This setting is not necessary if both the wired remote controller and wireless remote controller are used The location of the switch varies depending on the type of PCB used Check the model name before making the setting This setting is necessary also in case of non using wired wireless remote controller ex central control using only an intelligent system controller S 07MK1U6 S O9MK1U6 S 12MK1U6 THO CNOIS PMV CNOOT iit co2o SWAY CNO08 LM CNOIG FM RY M cN021 BLK WHT WHI 2 08153 de el Ie RISI OPT TON CNOT FAN DRIVE Tbr 7 je I Alger CN020 PIs i d if 1005 1C004 H 1 zE 1co06 1c009 ii Gens ZIOND 1c003 Ss Nas EE IEN S ss Be Bee gt X 8 ze BE C a En M SE i dh Ye 0017 ES 5 C040 sl g 3 o nl A ooo F 900N9 VL 2 P 8 ssa
86. itate explanation R Electrical component box cover ue PES Ceiling panel wiring connector 3 locations Ceiling panel side r Pass the wiring connector through the clamp to fasten it in place as shown in the figure Fig 3 24 Place the corner cover so that the 3 tabs fit into the holes in the ceiling panel Then fasten it in place with the supplied screws Fig 3 25 Hook that prevents the grille from dropping Fig 3 26 Unit refrigerant tube side Optional wireless receiver kit Can only be installed in this position am Dn W OX gt Can be installed rotated 90 wee lt b Fig 3 27 2011 09 30 ees Se f 3 6 5 Checking After Installation Check that there are no gaps between the unit and the ceiling panel or between the ceiling panel and the ceiling surface Gaps may cause water leakage and condensation Check that the wiring is securely connected If it is not securely connected the auto flap will not operate P09 is displayed on the remote controller In addition water leakage and condensation may occur 3 6 6 When Removing the Ceiling Panel for Servicing When removing the ceiling panel for servicing remove the air intake grille and air filter disconnect the wiring connector inside the electrical component box and then remove the 4 mounting screws 3 6 7 Adjusting the Auto Flap The air direction louver on the
87. its density will not exceed safeguards related to the use of refrigerants all of which a set limit define a Refrigerant Concentration Level RCL of The refrigerant R410A which is used in the air 25 pounds per 1 000 cubic feet for R410A refrigerant conditioner is safe without the toxicity or combustibility of For additional guidance and precautions related to ammonia and is not restricted by laws imposed to protect refrigerant safety please refer to the following documents the ozone layer However since it contains more than air it poses the risk of suffocation if its density should rise International Mechanical Code 2009 IMC 2009 excessively Suffocation from leakage of refrigerant is or more recently revised almost non existent With the recent increase in the ASHRAE 15 number of high density buildings however the installation ASHRAE 34 of multi air conditioner systems is on the increase because of the need for effective use of floor space individual control energy conservation by curtailing heat and carrying power etc Most importantly the multi air conditioner system is able to replenish a large amount of refrigerant compared to conventional individual air conditioners If a single unit of the multi air conditioner system is to be installed in a small room select a suitable model and installation procedure so that if the refrigerant accidentally leaks out its density does not reach the limit and in the event of an e
88. ll 2 Leakage circuit breaker has tripped 2 Contact service center 3 Line voltage is too low 3 Consult your electrician or dealer 4 Operation button is turned off 4 Press the button again 5 The wireless remote controller or heat 5 Consult your dealer pump is malfunctioning 6 Batteries in wireless remote controller 6 Replace batteries have run down Compressor runs but soon 1 Obstruction in front of condenser coil 1 Remove obstruction stops Poor cooling or heating 1 Dirty or clogged air filter 1 Clean the air filter to improve the performance airflow 2 Heat source or many people in room 2 Eliminate heat source if possible 3 Doors and or windows are open 3 Shut them to keep the heat or cold out 4 Obstacle near air intake or air 4 Remove it to ensure good airflow discharge port 5 Thermostat is set too high for cooling 5 Set the temperature lower or higher or too low for heating 6 Outdoor temperature is too low 6 Try to use a back up heater 7 Defrosting system does not work 7 Consult your dealer Lamps on the indoor unit are Trouble in wiring system Contact service center A gt flashing gt E Tips for Energy Saving Avoid Do not block the air intake and outlet of the unit If either is obstructed the unit will not work well and may be damaged Do not let direct sunlight into the room Use sunshades blinds or curtains If the walls and ceili
89. ma a drainage ae S Syr Yi i a ol LEN Drain hose i Iers supplied 13 64 i Do not use adhesive at the drain connection port s 3 6 Pe EN I on the indoor unit 5 33 64 Hoseiba d Insert the drain pipe until it contacts the socket as ni 2 bands supplied shown in the figure at right then secure it tightly with the hose band Fig 3 112 Do not use the supplied drain hose bent at a 90 angle The maximum permissible bend is 45 Attach so that the hose band Tighten the hose clamps so their locking nuts face NEE fastener is on the side of the in the horizontal direction drain port Make sure that the drain port is not a downward Attach the hose bands so gradient from the joint section may lead to that each is approximately abnormal noise 1 4 to 1 from the end of the NOTE supplied drain hose Make sure the drain pipe has a downward gradient 1 100 Do not install an air bleeder as I or more and that there are no water traps CAUTION this may cause water to spray Prohibited mace from the drain pipe outlet Air bleeder If it is necessary to increase the height of the drain Fig 3 113 pipe the section directly after the connection port can be raised a maximum of 19 11 16 Do not raise at least 1 100 11 13 16 or less it any higher than 19 11 16 as this coul
90. mergency measures can be made before injury can occur VRF_Indoor_US indb 3 2011 09 30 aas Se f CONTENTS Page Page IMPORTANT sncnnninnnne eenn 2 E Ceiling Type T1 Type Please Read Before Starting Check of Density Limit 1 GENERAL nnr a 5 1 1 Tools Required for Installation not supplied 1 2 Accessories Supplied 1 3 Type of Copper Tube and Insulation Material 1 4 Additional Materials Required for Installation 2 SELECTING THE INSTALLATION SITE 9 2 1 Indoor Unit 3 HOW TO INSTALL THE INDOOR UNIT 10 E 4 Way Cassette Type U1 Type 3 1 Preparation for Suspending 3 2 Suspending the Indoor Unit 3 3 Placing the Unit Inside the Ceiling 3 4 Installing the Drain Piping 3 5 Checking the Drainage 3 6 How to Install the Ceiling Panel 3 7 Special Remarks E 4 Way Cassette 60 x 60 Type Y1 Type 3 8 Preparation for Suspending 3 9 Suspending the Indoor Unit 3 10 Placing the Unit Inside the Ceiling 3 11 Installing the Drain Piping 3 12 Checking the Drainage 3 13 How to Install the Ceiling Panel E 1 Way Cassette Type D1 Type 3 14 Suspending the Indoor Unit 3 15 Placing the Unit Inside the Ceiling 3 16 Installing the Drain Piping 3 17 Checking the Drainage 3 18 Electrical Power Wiring 3 19 How to Install the Ceiling Panel B Low Silhouette Ducted Type F1 Type 3 20 Required Minimum Space for Installation and Service 3 21 Suspending the Indoor Unit 3 22 Installing the Drain Piping 3
91. n AM 3 126 0 20 Mi 0 20 it ne ent IO 0 883 1059 1236 1059 1236 1412 Air Flow CFM Air Flow CFM H At shipment 43 Fig 3 126 2011 09 30 aasal E Ceiling Type T1 Type Se 3 40 Required Minimum Space for Installation and Service 1 Dimensions of suspension bolt pitch and unit oOo B c Table 3 6 Unit in S Dimension iet Type A B c Air intake 12 18 33 21 32 35 53 64 8 17 64 8 Ne 24 44 19 64 46 29 64 8 17 64 Se 3 us Ceilin g 3 g BY Y 1 5 64 A _1 5 64 yy Suspension bolt pitch Air outlet o Fig 3 127 Unit in 2 Refrigerant tubing drain hose position 7 R fi hi iew f front 2 21 64 3 61 64 3 5 Left side ear figure shows view from front zaut i gt Right side T 3 13 16 3 6 47 64 1 1 4 ig 2 st 9 7 8 1 17 32 Left drain position Right drain position Liquid tubing Gas tubing Closed with rubber stopper at time of shipment Fig 3 128 Unit in 3 Unit opening position Refrigerant tubing drain hose power inlet port remote control wiring inlet port Rear outlet port d 8 Inter unit control wiring Pil 10 5 16 Left side drai
92. n by the arrows 1 to open the grille Fig 3 40 b With the air intake grille opened remove the grille hinge from the ceiling panel by sliding it in the direction shown by the arrow Fig 3 41 Air intake grille hinge 2 Removing the corner cover a Remove the screws on the corner and slide the latches in the direction of the arrow to disconnect the hinges 3 locations Fig 3 42 Then remove the air intake grille in the direction of the arrow Fig 3 43 Ceiling panel Fig 3 42 Fig 3 43 Corner cover 19 VRF_Indoor_US indb 19 2011 09 30 aas ca Se f 3 13 2 Installing the Ceiling Panel The power must be turned ON in order to change the flap angle Do not attempt to move the flap by hand Doing so may damage the flap 1 Hang the temporary latches on the inside of the ceiling panel to the receptacle on the unit to temporarily attach the ceiling panel in place Fig 3 44 The ceiling panel must be installed in the correct direction relative to the unit Align the REF PIPE and DRAIN marks on the ceiling panel corner with the correct positions on the unit 2 Align the panel installation holes and the unit screw holes Fig 3 45 3 Tighten the supplied washer head screws at the 4 panel installation locations so that the panel is attached tightly to the unit 4 Check that the panel is attached tightly to the ceiling Fig 3 46 Atth
93. n hose 81 3716 knock out use rubber grommet 4 59 64 2 53 64 Right side drain tlet port Outside air intake duct connection port ji hose outlet port 4 outlet p 93 15 16 knock out ee E d Lind Power supply outlet N i ZD o1 3 16 knock out LJ ZAC Rear tubing hole A 4 Left side drain 13 21 32 Unit in Side panel Position of plate hose outlet port inside side panel Side panel 1 Use a compass saw jig saw or similar tool and cut along the indented portion of the side panel VRF_Indoor_US indb 44 Fig 3 129 44 2011 09 30 el Se 4 Wall and ceiling side opening position Figure shows view from front t 1 D E D 3 15 16 wall side opening 3 35 64 3 15 16 wall side opening for left side drain hose Ceiling 93 15 16 ceiling opening 3 15 16 ceiling opening Figure shows view from top 3 35 64 Wall 6 7 64 el If the optional drain up kit is installed create a 3 15 16 hole along the dotted line part marked with in figure Fig 3 130 3 41 Suspending the Indoor Unit 1 Place the full scale diagram supplied on the ceiling at the spot where you want to install the indoor unit Use a pencil to mark the drill holes Fig 3 131 Since the diagram is made of paper it may shrink or stretch slightly because of high temperature or humidity For this reason before drilling the holes maintain the correct dime
94. n the side of the indoor unit where the liquid tube mgg refrigerant tubing is located The electrical component s z z box is on the lower air intake surface of the indoor unit Fig 3 69 Inter unit Control Wiring 2 Wirin i J Pouer supply outlet g es ad Le On T j Route the power wiring into the indoor unit through the power inlet on the side of the unit At this time be sure that the wiring passes through the power inlet in the unit power section If the wiring does not pass through this inlet it may become pinched by the ceiling panel and may result in fire Pass the wiring through the power inlet on the electrical component box and connect it to the terminal plate Then fasten the wiring in place with the clamp 3 19 How to Install the Ceiling Panel Component Parts Part name Quantity Appearance Part name Quantity Appearance N X Washer head SD MS x 40 screw a ae or 5 16 x 9 16 ON 4 x 12 or 5 32 x 15 32 Screw 2 For fastening side A gt Ceiling panel 1 panel 3 19 1 Before Installing the Ceiling Panel Checking the position of the indoor unit Be sure that this distance is within the range of 25 32 1 in a If it is not within this range malfunction or other problems may result 1 Check that the dimensions of the ceiling opening are the following 28 47 64 x 23 15 64 Indoor unit et 2
95. ng of the room are warmed by the sun it will take longer to cool the room Do Always try to keep the air filter clean Refer to Care and Cleaning A clogged filter will impair the performance of the unit To prevent conditioned air from escaping keep windows doors and any other openings closed NOTE Should the power fail while the unit is running If the power supply for this unit is temporarily cut off the unit will automatically resume operation once power is restored using the same settings before the power was cut off 81 VRF_Indoor_US indb 81 2011 09 30 za 82 VRF Indoor _US indb 82 2011 09 30 za 83 VRF Indoor _US indb 83 2011 09 30 za DC0811 10911 Printed in Japan VRF_Indoor_US indb 84 2011 09 30 za
96. ng tape 2 Wrap the flare nuts with the supplied flare insulator 3 Fill the clearance between the union insulator and flare insulator with black insulating tape Fasten both ends of the flare insulator Flare nut Insulating tape with the supplied vinyl clamps Insulator Vinyl clamps Fig 3 183 3 58 Installing the Drain Piping Water leaks may occur if the drain CAUTION pipes are connected inadequately 1 When rear side drain piping is required bend the drain hose attached to the indoor unit by 90 Connect a drain pipe field supply to the drain hose through the rear tubing outlet in the rear panel Use a hard PVC pipe VP20 for the drain piping 2 Ensure that the drain pipe has a downward gradient of 1 100 or more and that there are no water traps ne 3 Provide insulation for the drain pipe Drain hose 4 After the drain piping is completed pour water into the drain pan prain pip PVC to check that the water drains smoothly Fig 3 184 5 Remove any dust or debris in the drain pan so that the pipe is not clogged Drain hose supplied Drain insulator supplied A lt Insulating tape Vinyl clam suoplied supplied Hose band supplied 3 59 Installing the Remote Controller A remote controller optional wired remote controller can be mounted in the indoor unit Floor Standing type 1 Remove the cover of the optional wired remote co
97. nit and within a total tubing length L from the outdoor unit as detailed in the installation manual packed with the outdoor unit allow room for mounting the remote controller about 3 ft off the floor in an area that is not in direct sunlight nor in the flow of cool air from the indoor unit The elevation Low Silhouette Ducted Slim Low Static Ducted between the bottom unit and the floor surface should be at least 8 feet If the elevation Low Silhouette Ducted Slim Low Static Ducted between them is less than 8 feet install a filter optional field supply or a protective device field supply not to touch the electrical parts or fan with hands The air intake and outtake openings should be provided with the same location of a room Air delivery will be degraded if the distance from the floor to the ceiling is greater than 10 ft Slim Low Static Ducted Type Low Silhouette Ducted High Static Pressure Type 4 Way Cassette 60 x 60 Type Min 8 ft Shows Low Silhouette Ducted Type and Slim Low Static Ducted Type Fig 2 2 Wall Mounted Type LLL T Front View Fig 2 3 Floor Standing Concealed Floor Standing Type Vertical view Horizontal view Fig 2 4 Y Ceiling E A Wall h Min 10 in Min 10 in Front view 7 r Side view Max 10 in Obstacle The rear of the indoor unit can be installed flush against the wall Fig 2 5 1 Way Cassette Type Ceiling
98. not become caught Be sure to attach the safety cord that prevents the air intake grille from dropping off to the ceiling panel unit as shown in the figure at right With this ceiling panel the directions of the air intake grille ale aan Apat lattices when installing multiple units and the position of the label showing the company name on the corner panel can be changed according to customer requests as shown in the figure below However the optional wireless receiver kit can only be installed at the refrigerant tubing corner of the ceiling unit Fig 3 51 Locations of air intake grille hinges The grille can be installed Re F with these hinges facing ae T Refrigerant tube side W in any of 4 directions L ae AN Optional wireless receiver kit EE Drain pipe side Ee Only this area is possible RE o for installation SAN SS NS Electrical component box for power PCB Can be installed rotated 90 EEN ED Fig 3 51 Ze Electrical component box for control PCB 3 13 5 Checking After Installation Check that there are no gaps between the unit and the ceiling panel or between the ceiling panel and the ceiling surface Gaps may cause water leakage and condensation Check that the wiring is securely connected If it is not securely connected the auto flap will not operate PO9 is displayed on the remote controller In addition water leakage and condensation may occur 3 13 6 When Removing the Ce
99. nsions between the markings 2 Drill holes at the 4 points indicated on the full scale diagram 3 Depending on the ceiling type a Insert suspension bolts as shown in Fig 3 132 or b Use existing ceiling supports or construct a suitable support as shown in Fig 3 133 It is important that you use mn 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 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 Figs 3 132 and 3 133 The distance of each exposed bolt must be of equal length within 1 15 16 Fig 3 134 Fixture Fig 3 134 VRF_Indoor_US indb 45 45 7 F Ceiling Full scale wall installation diagram Fig 3 131 Hole in anchor Hole in plug Concrete Insert moe mlr Jl aBa LA Suspension bolt M10 or 3 8 field supply Fig 3 132 Ceiling tiles Ceiling support Fig 3 133 Salata DULD air intake grille l pushing claws ofineninges S U Hinge O nd muut MINAN A Air intake grille Fig 3 135 2011 09 30 aaah i T f 5 Before suspending the indoor unit remove the 2 or 3 screws on the latch of the air intake grilles open the grilles and remove them by Slide towa
100. ntroller Fig 3 186 2 Remove the front panel Remove the screws and fixture Fig 3 187 3 Place the remote controller into the space in the unit as shown in Fig 3 187 Assemble the lead wires of the remote controller to its Fig 3 185 rear side center and route them to the lead wire guide Hard PVC pipe VP20 Vinyl Camps Drain hose insulator field supply supplied field supply 4 Secure the fixture using the supplied screws Lead wire guide Remote Controller Screw Fig 3 186 To remove the cover from the remote controller insert a screwdriver between the cover and the controller as shown in the figure above Fig 3 187 and pry off the cover 61 B SUPPLEMENT ON DRAIN PIPING 1 Drain hose installation Hard PVC socket VP25 Hard PVC pipe VP25 field supplied Hose band Drain port Supplied Drainage check section Soft PVC socket on drain port transparent ABS resin Drain hose supplied S S ANN ama D a XX Do not use adhesive here Drain port may possibly be damaged if PVC adhesive is used Align the hose band with end of the hose and tighten so that it does not contact the bead Torque 21 29 Ibs in 1 4 in or more 4 13 16 in or more l Adhere with PVC adhesive Apply approx 0 07 oz o
101. o the unit Fasten the pipe to a wall frame or other support as close to the unit as possible Fig 3 96 Refer to B SUPPLEMENT ON DRAIN PIPING Do not install an air bleeder as this may 3 23 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 R S terminals inside the electrical component box 2 Remove the tube cover and through the opening slowly pour approx 0 3 gal of water into the drain pan to check drainage 3 Short the check pin CHK on the indoor control board and operate the drain pump Check the water flow through the transparent drain port and see if there is any leakage 32 VRF_Indoor_US indb 32 Drainage check section on drain port transparent Align the hose band with end of the hose and tighten so that it does not contact the bead Hard PVC pipe VP 25 Field supply Supplied PVC adhesive drain hose L mnt ey Drain insulator supplied TN Bead Fig 3 91 Drain insulator supplied Vinyl clamps Fig 3 92 Air bleeder Prohibited el Fig 3 93 el 11 13 16 or less i 19 11 16 or less COO Good
102. of each attached suspension bolt Ceiling support 1 When placing the unit inside the ceiling determine the pitch of the suspension bolts referring to the dimensional data on the previous page Fig 3 84 and Table 3 3 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 Fig 3 87 2 Screw in the suspension bolts allowing them to protrude from the came ceiling as shown in Fig 3 86 Cut the ceiling material if a espersen necessary Nuts and washers Suspension lug 3 Thread the 3 hexagonal nuts and 2 washers field supply onto use for upper and lower each of the 4 suspension bolts as shown in Figs 3 88 and 3 89 Use 1 nut and 1 washer for the upper part and 2 nuts and 1 washer for the lower part so that the unit will not fall off the suspension lugs HR Double nuts Fig 3 88 Suspension bolt Hexagonal nut Fig 3 90 shows an example of installation Bolt anchor Double ute ed Suspension bolt Fig 3 89 Ceiling material Indoor unit a Air intake grille Fig 3 90 31 VRF_Indoor_US indb 31 2011 09 30 a Se 3 22 Installing the Drain Piping 1 Prepare standard hard PVC pipe O D 1 1 4 for the drain and use the supplied hose ban
103. off at the mains before removing or connecting connectors to WARNING avoid electric shock hazard Connection of External Electronic Expansion Valve with Extension Cord 1 Turn the power off 2 Turn the power on 3 Wait 1 minute after the power is on and then turn the power off again at the mains The electronic expansion valve becomes full open in the 1 minute Do not give instructions for operation through the remote controller during this time 4 Open the electrical component box From the control PCB disconnect the connector to the indoor unit internal electronic expansion valve 5 Connect the external electronic expansion valve connector to the indoor unit control PCB PMV Fig 3 175 After completing the wiring process close the cover of the electrical component box 6 Turn on the main breaker This procedure is now completed Di z Connect to PMV Fig 3 175 The model S 19MS1U6 is only applied for the following procedure 1 Turn the power off 2 Open the electrical component box 3 Connect the external electronic expansion valve connector to the indoor unit control PCB PMV Fig 3 176 After completing the wiring process close the cover of the electrical component box 4 Turn on the main breaker This procedure is now completed Connect to relay connector white 6P Fig 3 176 57 VRF_Indoor_US indb 57 2011 09 30 aaa Se f E Floor
104. ollowing local electrical codes e Connect all wiring tightly Loose wiring may cause over heating at connection points and a possible fire hazard e To prevent possible hazards from insulation failure A the unit must be grounded When Transporting Be careful when picking up and moving the indoor and outdoor units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or VRF Indoor _US indb 2 thin aluminum fins on the air conditioner can cut your fingers When Installing Select an installation location which is rigid and strong enough to support or hold the unit and select a location for easy maintenance n a Room Properly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage to walls and floors Keep the fire alarm and the air AN outlet at least 5 feet away from the it unit In Moist or Uneven Locations Use a raised concrete pad or concrete blocks to provide a solid level foundation for the outdoor unit This prevents water damage and abnormal vibration In an Area with High Winds Securely anchor the outdoor unit down with bolts and a metal frame Provide a suitable air baffle In a Snowy Area for Heat Pump type Systems Install the outdoor unit on a raised platform that is higher than drifting snow Provide snow vents When Connecting Refrigerant Tubing e Ventilate the room well in the
105. or unit No 1 Power supply L1 o O Ruoan unit 208 230V 60Hz 1 PH L2 oto A aes meee 5e 0 Toll Power supply Remote Ground BE i ol oo H208 230V 60Hz 3 PH Controller B z E a WHT T i fe BLK 2 D i E Ground A Tr Indoor unit No 2 D qplnter outdoor unit control wiring Power supply Li OE OQ a a 208 230V 60Hz 1 PH L2 ay TAn 5 a Tobi Power supply Remote Ground a EO 208 230V 60Hz 3 PH Ol IB L3 Controller B IS De Brees D Ground BLK O GD Disconnect switch ADP i Group control EEN A NOTE Field Supply unt oO A Power supply L1 E D Disconnect Switch may be needed by the 208 230V 60Hz 1 PH L2 o National Local code Gua TF roun _ oe ALWAYS COMPLY WITH NATIONAL AND a LOCAL CODE REQUIREMENTS A cD l U1 E1 Types 7P terminal board ne le K1 Type Indoor 8 unit No n Power supply L1 208 230V 60Hz 1 PH L2 Runa TTT zia Remote en BLK Controller em WHT 1 L1 2 L2 Ui U2 Ri R2 Gm BLK a BLK 2 Power Unit Remote GE WHT 1 WHT a supply control control CONNECTOR Line Line 2P WHT Y1 D1 T1 F1 M1 P1 R1 Types 1 Refer to Section 4 2 Recommended Wire Length and Wire Diameter for Power Supply System for the explanation of A B C and D in the above diagram 2 The basic connection diagram of the indoor unit shows the 7P terminal board so the terminal boards in your equipment may differ from the diagram 3 Refrigerant C
106. or ol A 1 1 2 22 nig TIC N if l l 1 29 17 32 1 29 64 32 7 16 Suspension bolt pitch ae 5 29 82 1 37 64 26 49 64 NO k 4 61 64 F K x 29 32 6 7 64 55 64 23 32 8 a 5 A z 2 Sd 3164 8 21 32 8 21 32 5136 29 32 27 23 32 29 32 ie Frame Filter Uninstalled Unit in Fig 3 103 35 VRF_Indoor_US indb 35 2011 09 30 a i T f 3 28 Preparations Before Installation 1 Confirm the positional relationship between the unit and suspension Inspection access bolts Refer to the diagram je 2 3 gt e Install the inspection opening on the control box side where TA a ee j maintenance and inspection of the control box are easy l N x l The drain pump can only be inspected through the bottom of the unit s Ri Install the inspection opening also in the lower part of the unit N Arrow view A Inspection access i i Field supply ds Air discharge 2 7 Air intake i Z kk i B Se A Ceiling ee ee Fig 3 104 2 Make sure the range of the unit s external static pressure is not exceeded See the technical documentation for the range of the external static pressure setting Unit ft 3 Open the installation hole Pre set ceilings e Once the installation hole is opened in t
107. orque Failure to tighten the nuts correctly ie a can cause loosening and damage on the flared portion resulting 3 8 9 52 in accidents by oxygen deficiency due to refrigerant leaks 300 360 Ibs inch 340 420 kgf cm 55 VRF_Indoor_US indb 55 2011 09 30 aaa i o f 5 Flare Insulation of Tubing After completing a leakage test apply heat insulation Fig 3 191 Use the flare insulator provided with the product Outdoor side Indoor side Insulating tape Insulating tape Flare insulator Clamps ay N a Be careful not to allow a gap to occur between the thermal insulation of the tubing and the thermal insulation of the main unit Fig 3 173 Flare insulator nl ge 8 eo a f f Ho ee meu 3 6 Securing the External Electronic Expansion Valve After Connection with Tubing After connection with tubing secure the external electronic expansion valve using the supplied clamps large to hold it against the gas tube Fig 3 174 Clamp large Gas tube Clamp large Be careful not to tighten the clamps with excessive force in order to avoid deforming the tubing or other parts Fig 3 174 56 VRF_Indoor_US indb 56 2011 09 30 aaa Se f 7 Wiring Procedure Be sure to turn the power
108. osed areas when parts and wiring installing or testing the refrigeration e Keep your fingers and clothing away from any moving system Escaped refrigerant gas on parts contact with fire or heat can produce e Clean up the site after you finish remembering to check dangerously toxic gas that no metal scraps or bits of wiring have been left inside the unit being serviced Confirm after installation that no refrigerant gas is leaking If the gas e Do not clean inside the indoor and comes in contact with a burning stove AN WARNING outdoor units by users Engage gas water heater electric room heater authorized dealer or specialist for or other heat source it can cause the cleaning generation of poisonous gas e In case of malfunction of this appliance do not repair by yourself cee eececececceseceeeueeeeeeeseceseseeseaneeseeeeeeeeseevaaaaed Contact to the sales dealer or service e Do not touch the air inlet or the dealer for a repair CAUTION sharp aluminum fins of the p outdoor unit You may get injured Do not sit or st the unit maytelidowmvaccidentaiy Others Do not stick any object into the FAN CASE You may be injured and the unit may be damaged Check of Density Limit The room in which the air conditioner is to be ASHRAE and the International Mechanical Code of the installed requires a design that in the event of ICC as well as CSA provide guidance and define ce refrigerant gas leaking out
109. ox This air conditioner is usually installed above the ceiling so that the nn 7 indoor unit and ducts are not visible Only the air intake and air y Inspection isi Min N access i outlet ports are visible from below paris N Indoor unit 1723 32 The minimum space for installation and service is shown in a BATA i Lind Fig 3 84 and Table 3 3 Refrigerant Ii is recommended that space be provided 17 23 32 x 17 23 32 tubing j ze x Min 25 19 32 for checking and servicing the electrical system s s 4 Air outlet tfl 2c Fig 3 85 and Table 3 4 show the detailed dimensions of the indoor ir outlet duct flange unit Unit in Fig 3 84 Table 3 3 Unit in mm Type 7 9 12 15 18 24 36 48 54 A Length 30 23 32 780 42 17 32 1 080 61 13 32 1 560 Number of duct flanges 2 3 4 Table 3 4 Unit in imension No of holes Type A B C D E F G H l J K L M 7 9 12 15 26 1 16 EEN 27 9 16 30 23 32 11 13 32 10 5 16 26 25 32 28 5 32 7 3 32 13 3 8 8 12 35 7 16 9 21 32 18 24 37 7 8 7 3 32 x 5 39 3 8 42 17 32 11 13 32 10 23 32 38 19 32 39 31 32 5 1 8 9 21 32 x 1 9 27 32 12 16 54 11 32 19 9 32 36 48 54 56 25 32 9 1 16 x 6 58 9 32 61 13 32 13 3 16 12 7 32 57 15 32 58 27 32 5 1 8 9 21 32 x 2 9 7 16 16 18 Sa al 5 Refrigerant tubing joint liquid tube i r Refrigerant tubing joint gas tube Sa S 8 at L o1 4 de Upper drain port O D 1 1 4 in Fens 7 Hole
110. packing and drain pipe insulator around the pipe then secure it with the supplied clamps Fig 3 63 poe Make sure the drain pipe has a downward gradient 1 100 Fig 3 63 or more and that there are no water traps 24 VRF_Indoor_US indb 24 2011 09 30 aol VRF_Indoor_US indb 25 Se Do not install an air bleeder as this may cause water to spray from the drain pipe outlet Fig 3 64 In cases where it is necessary to raise the height of the drain piping the drain piping can be raised to a maximum height of 33 15 32 above the bottom surface of the ceiling Under no conditions attempt to raise it higher than 33 15 32 above the bottom surface of the ceiling Doing so will result in water leakage Fig 3 65 Do not use natural drainage 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 66 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 67 Provide insulation for any pipes that are run indoors Refer to E SUPPLEMENT ON DRAIN PIPING 3 17 Checking the Drainage After wiring and drain piping are completed use the following procedure to check that t
111. que wrench 14 Adjustable wrench 15 Reamer for deburring ONAOKRWD Ko 1 2 Accessories Supplied See Tables 1 1 1 9 VRF Indoor _USindb 5 1 3 Type of Copper Tube and Insulation Material If you wish to purchase these materials separately from a local source you will need 1 Deoxidized annealed copper tube for refrigerant tubing Foamed polyethylene insulation for copper tubes as required to precise length of tubing Wall thickness of the insulation should be not less than 5 16 in Use insulated copper wire for field wiring Wire size varies with the total length of wiring Refer to 4 ELECTRICAL WIRING for details Check local electrical codes and A N CAUTION regulations before obtaining wire Also check any specified instructions or limitations 1 4 Additional Materials Required for Installation 1 2 ook W 2011 09 30 aas Putty sn Refrigeration tubing lubricant Clamps or saddles to secure refrigerant tubing Scale for weighing Refrigeration armored tape Insulated staples or clamps for connecting wire See your local codes Table 1 1 4 Way Cassette Part Name Figure Remarks Full scale installation diagram Printed on container box Drain hose For securing drain hose Hose band For securing drain hose Drain insulator For drain joint Flare insulator For liquid tube For gas tube
112. rd __ e pushing the claws of the hinges as shown in Fig 3 135 Then remove front side yf both side panels sliding them along the unit toward the front after Nes removing the 2 attachment screws Fig 3 136 6 Carry out the preparation for suspending the indoor unit The suspension method varies depending on whether there is a suspended ceiling or not Figs 3 137 and 3 138 7 Suspend the indoor unit as follows oe pane Fig 3 136 a Mount 1 washer and 2 hexagonal nuts on each suspension bolt as shown in Fig 3 139 b Lift the indoor unit and place it on the washers through the notches in order to fix it in place Fig 3 140 c Tighten the 2 hexagonal nuts on each suspension bolt to suspend the indoor unit as shown in Fig 3 141 Suspension bolt field supply Ceiling surface Washer supplied Double nut Fixture field supply NOTE Fig 3 137 The ceiling surface is not always level Please confirm that the indoor unit is Suspension bolt evenly suspended For the installation to be correct leave a clearance of 4 fied supply about 3 8 between the ceiling panel and the ceiling surface and fill the gap Vasher Neid SUPPIY with an appropriate insulation or filler material Unit 8 If the tubing and wiring are to go towards the rear of the unit make Washer supplied holes in the wall Fig 3 142 Poupe nur field supply 9 Measure the thickness of the wall from the inside to the outside
113. ring port CAUTION start when you short the pin on the indoor control board 4 When the check of drainage is complete open the check pin CHK Water inlet 5 and remount the insulator and drain cap onto the drain inspection port 3 34 Increasing the Fan Speed B For Short Circuit Connection The standard before shipment external static pressure is shown in the table below When using with a higher static pressure it is necessary to change to the high static pressure mode External static pressure Tye 58 Fig 3 117 White Yellow Red TP6 TP3 TP4 Standard in WG 0 04 0 06 0 06 0 06 0 06 High static pressure in WG When using with high static pressure mode set the indoor unit control board sn B as shown at right Follow the below procedure while the unit is turned off B 1 Open the cover of the electrical box and confirm that it is the indoor unit je Oo jm er control board on nete Ba o 2 Connect the short circuit connector to the short circuit pin TP3 2P Indoor control board Yellow of the indoor unit control board In case of wired remote controller setting do not use the short circuit connector E For Wired Remote Controller Press and hold the and buttons simultaneously for 4 seconds or longer unit No or Ag in
114. t to hold it in place and press the lower part of the indoor unit until a click sound is heard and the indoor unit is securely fastened to the installation tabs on the lower side of the rear panel Fig 3 164 Raising the clamp to lift up the indoor unit will facilitate this work Fig 3 165 To remove the indoor unit press up on the 2 locations A marks on the lower part of the unit frame to disconnect the installation tabs Refer to Section 3 45 Removing the Rear Panel from the Unit Fig 3 151 Then lift up the indoor unit to remove it 51 VRF_Indoor_US indb 51 Yy Frame Right tubing outlet ZN Sy When left and right side tubing Fig 3 162 Installation tabs Installation tabs Fig 3 163 Press Fig 3 164 Clamp Fig 3 165 2011 09 30 cen VRF_Indoor_US indb 52 Se 3 50 Shaping the Tubing Right rear tubing 1 Shape the refrigerant tubing so that it can easily go into the hole Fig 3 166 2 After performing a leak test wrap both the refrigerant tubing and drain hose together with insulating tape The drain hose should be positioned below the refrigerant tubes and should be given sufficient space so that no strong tension is applied to it 3 Push the wiring refrigerant tubing and drain hose through the hole in the wall Adjust the indoor unit so it is securely seated on the rear panel Left or left rear tubing 1 Pass the
115. the case of group control item code 17 and settings data 4 4 XX are displayed blinking on the remote controllers LCD display At this time the indoor unit fan or all indoor unit fans in the case of group control begins operating ET Press the temperature setting _ _ _ _ buttons to select the item code DN Sd ae Press the timer time 4 v buttons to select the desired setting data For item codes and setting data refer to the right table Press the SET button The display stops blinking and remains lit and setting is completed Press the button to return to normal remote controller s display OeOBK Cs CED Description Standard setting at shipment High static pressure S 07MM1U6 S 09MM1U6 197 External static pressure s upper limit in high static pressure mode Y HH Rated external static pressure in high static H pressure mode o ei D S are D 0 0 lt lt E c Standard external static pressure s upper limit HH Lower static pressure in high static pressure mode o ek N S Zi N Rated external static pressure at shipment xternal Static o O BK o O BK ressure in WG E P HH oO e o 0 Lower limit airflow External Static Pressure in WG O O a S External Sta
116. the flap on the air outlet grille to its lowest position with the remote controller 2 The filter is disengaged by pushing the tab up gently Hold the air filter by the tab at the bottom and pull downward When replacing the filter make sure that the FRONT mark is facing you Push it up until you hear it click back into position 78 VRF_Indoor_US indb 78 2011 09 30 zand i f E Care and Cleaning continued How to remove the filter continued Floor Standing P1 1 Remove the screw at the bottom left of the front panel using a Phillips head screwdriver Concealed Floor Standing R1 Be sure to replace the screw when cleaning is finished 2 Remove the filter by pulling it toward you Screw Air filter r4 Me Air filter Cleaning the drain filter 1 Remove the front panel and drain pan e Remove the 2 screws fixed to the bottom of the front panel before opening the panel Floor standing P1 Open the front panel with a lifting motion to detach the latch e Disengage the dew prevention heater from the lead wire connector Refer to 3 56 Removing and Attaching the Front Panel 2 Cleaning Remove any dirt accumulated in the drain pan and then wipe it clean Also clean the drain filter in the same way as the air filter 1 Push up Then 2 Pull down Concealed Floor standing Remove the screws open the front panel and then remove any dirt accumulated inside the R1 drain pan and
117. the thickness of the gas tubing insulation material by 1 step If the exterior of the outdoor unit valves has been finished with a square duct covering make sure you allow sufficient space to use the valves and to allow the panels to be attached and removed Taping the flare nuts Wind the white insulation tape around the flare nuts at the gas tube connections Then cover up the tubing connections with the flare insulator and fill the gap at the union with the supplied black insulation tape Finally fasten the insulator at both ends with the supplied vinyl clamps Fig 5 8 Insulation material The material used for insulation must have good insulation characteristics be easy to use be age resistant and must not easily absorb moisture Fig 5 9 After a tube has been insulated never try to bend it into a narrow curve because it can cause the tube to break or crack VRF_Indoor_US indb 73 Se 73 Two tubes arranged together Liquid tubing Gas tubing a ye Insulation Three tubes arranged together Cosmetic finishing tape aon Gas tubing Liquid tubing ee Insulation Three tubes arranged together Cosmetic finishing tape Suction tubing Discharge tubing Balance tubing Insulation Fig 5 7 Liquid tubing Sealer supplied Insulation tape white supplied Flare nut 1 a Flare insulator supplied jal AN V insulator not supplied
118. there is a gap between the ceiling panel and the ceiling leave the panel attached and adjust the Indoor unit installation height of the indoor unit upwards until the Ceiling panel gap with the ceiling is eliminated Fig 3 79 f the adjustment is small enough that it will not affect the levelness of the indoor unit or the drain piping then the unit height can be adjusted from the side panel installation holes with the ceiling panel still attached Must be no gap Indoor unit oe Ceiling surface Ceiling panel Fig 3 78 If the screws are not fully tightened problems such as those shown below may occur Be sure to tighten the screws securely Air leakage Ceiling panel air leakage A WO Stains o 0 Condensation and water leakage 28 VRF_Indoor_US indb 28 Washer head screw Insert a wrench or other standard tool into the side panel installation holes and make fine adjustments to the indoor unit nuts f there is a gap between the ceiling surface and the ceiling panel even when the screws are fully tightened readjust the height of the indoor unit Fig 3 79 J p so that there is no gap 2011 09 30 xe i T f 3 19 3 Wiring the ceiling panel 1 Loosen the 2 screws on the electrical component box lid
119. tic Pressure in WG oo Upper limit airflow 177 353 177 353 Airflow CFM Airflow CFM S 18MM1U6 S 15MM1U6 S 12MM1U6 0 24 0 24 ne Airflow CFM 0 20 0 20 40 197 oO HH H 10 197 in WG o S G in WG in WG 0 16 0 12 N N 0 08 0 16 y e gt A in Aq S ac A in Aq in Aq 0 12 oO u M 7 0 08 y External Static Pressure o o ie oO Ss External Static Pressure 0 04 0 04 External Static Pressure 0 o 353 530 17 353 Airflow CFM Airflow CFM 177 353 Airflow CFM 40 VRF_Indoor_US indb 40 2011 09 30 a Se B High Static Pressure Ducted Type E1 Type 3 35 Required Minimum Space for Installation and Service This air conditioner is usually installed above the ceiling so that the indoor unit and ducts are not visible Only the air intake and air outlet ports are visible from below The minimum space for installation and service is shown in Fig 3 118 It is recommended that space be provided 23 5 8 x 23 5 8 for checking and servicing the electrical system Fig 3 119 and Table 3 5 show the detailed dimensions of the indoor unit EE 56 Min 23 5 8 19
120. tors Use M10 or 3 8 for suspending bolts Field supply for suspending bolts and nuts VRF_Indoor_US indb 6 2011 09 30 aas ca Table 1 4 High Static Pressure Ducted Part Name Figure Remarks Washer For suspending indoor unit from ceiling Nut For suspending indoor unit from ceiling For gas tube Flare insulator For liquid tube Drain socket Table 1 5 Ceiling Part Name Figure For drain pipe connection Remarks Full scale installation diagram Er Printed on container box Washer For temporarily suspending indoor unit from ceiling Dr Flare insulator lt gt T3 16 For gas and liquid tube joints White Insulating tape e3 heat resisting For gas and liquid tubes flare nuts Vinyl clamp For flare and drain insulators Drain hose 0 MD Ls 1 2 For main unit and PVC pipe joints Hose band For drain hose connection Drain insulator For drain hose joint Gum eyelet Table 1 6 Wall Mounted Part Name Figure For power supply inlet and 3 way wiring inlet Remarks Tapping screw For fixing the rear panel Plastic cover For improved tubing appearance Insulator Part Name Remarks For insulating flare nut 1862 1962 2452 Part Name Remarks For temporarily Washer suspending indoor unit from ceiling Full scale
121. ulate the suspension bolt pitch using the full scale installation diagram printed on the package The relationship between the positions of the suspension lugs unit and ceiling panel is as shown in Fig 3 53 4 Cut the ceiling material if necessary Figs 3 52 and 3 53 If the system requires fresh air to be drawn into the unit cut and remove the insulation both externally and internally at the location shown as in Figs 3 57 and 3 58 When making the cuts to the insulation be careful not to damage the drain pan VRF_Indoor_US indb 22 22 7 29 59 64 Panel outer dimensions mie 28 47 64 Ceiling opening dimension gt st 19 32 1 27 64 25 63 64 Suspension bolt pitch Outline dimension of pane Ceiling opening dimension een Suspension bolt gen 19 32 23 15 64 24 13 32 3 47 64 Unit in Fig 3 52 Drain pipe connection Be sure to connect the supplied flexible hose 22 3 64 10 1 32 1 19 64 r Z 5 1 49 64e sss 3 a NE Ho dje Oo 15 32 a k I Flared refrigerant Flared refrigerant Inter unit connection outlet liquid tube Control Wiring Power supply outlet connection outlet gas tube Unit in Fig 3 53 Hole in anchor Con
122. use the drain water to flow backward and leak when the unit is not operating Fig 3 10 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 11 Provide insulation for any pipes that are run indoors Refer to E SUPPLEMENT ON DRAIN PIPING 3 5 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 R S terminals inside the electrical component box 2 Slowly pour approx 0 3 gal of water into the drain pan to check drainage Fig 3 12 3 Short the check pin CHK on the indoor control board and operate the drain pump Check the water flow through the transparent drain pipe and see if there is any leakage 4 When the check of drainage is complete open the check pin CHK and remount the tube cover Be careful since the fan will AN CAUTION start when you short the pin on the indoor control board 12 VRF_Indoor_US indb 12 lt 11 3 16 or less as short as possible 33 15 32 or less 0 45 ae earn Length of supplied drain hose 9 27 32 Fig
123. wipe it clean Also clean the drain filter in the same way as the air filter Drain pan Drain filter 79 VRF_Indoor_US indb 79 2011 09 30 cent i T f 1 Certain metal edges and the condenser fins are sharp and may cause injury if handled improperly special care should be taken when you clean CAUTION these parts 2 Periodically check the outdoor unit to see if the air outlet or air intake is clogged with dirt or soot 3 The internal coil and other components of the outdoor unit must also be cleaned periodically Consult your dealer or service center Care After a prolonged idle period Check the indoor and outdoor unit air intakes and outlets for blockage if there is a blockage remove it Care Before a prolonged idle period Operate the fan for half a day to dry out the inside Disconnect the power supply and also turn off the circuit breaker Clean the air filter and replace it in its original position Outdoor unit internal components must be checked and cleaned periodically Contact your local dealer for this service 80 VRF_Indoor_US indb 80 2011 09 30 za i T f E Troubleshooting If your air conditioner does not work properly first check the following points before requesting service If it still does not work properly contact your dealer or a service center Possible Cause Air conditioner does not run at 1 Power failure 1 Restore power a
124. y Fig 3 120 Ceiling tiles Fig 3 121 Suspension bolt Hexagonal nuts and washers 2 sets 25 32 1 31 32 Fig 3 122 2011 09 30 el VRF_Indoor_US indb 43 Se 3 37 Installing the Drain Piping 1 Prepare standard hard PVC pipe O D 1 1 4 for the drain and use the supplied drain socket to prevent water leaks The PVC pipe must be purchased separately When doing this apply adhesive for the PVC pipe at the connection point 2 If connecting a drain joint supplied to the threaded drain port first wrap the drain port threads with sealing tape then connect the joint Fig 3 123 3 After connecting the drain pipe securely wrap insulator field supply around the pipe 4 Ensure the drain pipe has a downward gradient 1 100 or more and prepare traps as indicated in Fig 3 124 5 Also in another part of the pipe arrangement prepare traps with an inspection plug to clean dust or debris that may cause leaking of water Fig 3 125 6 After connecting the drain piping slowly pour water into the drain pan to check that the water drains smoothly 3 38 Caution for Ducting Work This unit has high static pressure applicable external static pressure Max 0 68 0 88 in WG In the case of small pressure resistance for instance a short duct install a damper for adjusting air flow volume as air flow volume air flow noise increases If the air conditioner is

Panasonic CZ-ESWC2 Installation Manual

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