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Panasonic 26PEF1U6 Installation Manual

1. a If Wooden Wall 1 Attach the rear panel to the wall with the 10 screws pro Fig 3 25 vided Fig 3 25 If you are not able to line up the holes in the rear panel with the beam locations marked on the wall use 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 Double check with a ruler or level gauge that the panel is level This is important to install the unit properly Fig 3 26 3 Make sure the panel is flush against the wall Any space between the wall and unit will cause noise and vibration b If Block Brick Concrete or Similar Type Wall E 1 a vi la nole Make 3 16 dia holes in the wall Insert rawl plugs for appropri uu l l Rawl plug ate mounting screws Fig 3 27 Field supply Fig 3 27 22 i Panasonic PAC i IndoorUnit US le22 22 i 2011 11 02 15 17 1 3 13 Removing the Grille to Install the Indoor Unit Grille m Basically these models can be installed and wired without removing the grille If access to any internal part is needed follow the steps given below How to remove the grille 1 Set the 2 flaps in the horizontal position 2 2 Unscrew the 3 screws Fig 3 28a Fig 3 28a Air intake grille 3 Remove the grille a Hold both corners of the air intake grille then pull out and up to open Fig 3 28b b Use
2. Cover Fig 5 15 46 2011 11 02 al gt supplied with the unit When using the signal receiving unit on a wall with the front exposed choose a wall surface that the signal receiving unit can be mounted on 7 5 7 5 0 700 1 Insert a flathead screwdriver into the slot on the lower in the upper case side of the signal receiving unit and pry off the back i case da 2 The vvire routing at the signal receiving unit comes out of the upper case thin portion at upper center so use Fig 5 16 nippers or a similar tool to cut out a notch beforehand large enough for the remote control cable option to Fig 5 17 pass through as shovvn in Fig 5 16 Remote control cord Option Signal receiving unit 3 Remove the wire which is connected prior to shipping from the connector 4 Connect the remote control cable option to the signal receiving unit connector as shown in Fig 5 17 after the clamp supplied with the unit is installed 5 After arranging the wiring on the printed circuit board as shown in Fig 5 18 so that it is contained within the signal receiving unit attach the back case At this time arrange so that the head of the clamp faces the side 6 Remove the cover plate and install the signal receiving unit using the 2 wood screws Wood screws 2 Fig 5 19 7 Fasten to the wall using the cord clip Supplied 8 Reinstall the c
3. P INSTALLATION INSTRUCTIONS Panasonic Single Split System Air Conditioner This air conditioner uses the refrigerant R410A NOTE External diameter of service port R410A 5 16 Model No S 2707 S S 77 4 VVay Cassette CZ 24KPUTU CZ 36KPUTU CZ 36KPUTU with Wired Remote Controller CZ RTC2 Wall Mounted S 26PK1U6 nn with Wireless Remote Controller CZ RWSK1U S 26PT1U6 S 36PT1U6 S 42PT1U6 with Wired Remote Controller CZ RTC2 Low Silhouette Duct S 26PF1U6 S 36PF1U6 7 with Wired Remote Controller CZ RTC2 Panel optional parts Remote Controllers Timer Remote Controller wired CZ RTC2 Timer Remote Controller comes with Instructions Manual CZ RWSU1U for U1 and T1 type Indoor units Wireless Remote Controller CZ RWSC1U for F1 type Indoor units CZ RWSK1U for K1 type Indoor units Units should be installed by licensed contractor according to local code requirements 85464369532012 CV6233186962 j Panasonic_PAC i_IndoorUnit_US le1 1 3 2011 11 02 15 1 08 IMPORTANTI Please Read Before Starting This air conditioning system meets strict safety and oper ating 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 instruction booklet before beginning Follow each installation or repair
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5. 23 32 19 32 1 32 gt 37 7 8 7 3 32x5 39 3 8 42 17 32 11 13 32 2 23 32 38 19 32 39 31 3 9 21 32x1 b 54 11 32 19 9 32 36PF1 i i S 36 U6 56 25 32 9 1 16x6 58 9 32 61 13 32 13 3 16 12 7 32 57 15 32 58 27 32 9 21 32x2 Refrigerant tubing joint liquid tube 2 Refrigerant tubing joint gas tube 3 Upper drain port O D 1 1 4 in 4 Bottom drain port O D 1 1 32 in 5 Suspension lug Power supply outlet 2 01 3 16 hole H Duct suspension bolt pitch 2 Fresh air intake port 05 29 32 hole G Ceiling opening dimension lan 7 for the flexible air outlet duct 7 7 8 hole Hole ube cover Ay Wer Electrical component box Flange for the air intake duct Option or field supply 2 5 32 Ceiling opening dimension 10 13 16 3 15 16 3 15 32 o AN NN d N i N 1 7 82 B 47 32 y Q 8 2 Inspection A Zg 17 23 32 SA oS 17 23 82 r gN Field supply 00 N 0 N Q 11 7 32 nspection access panel Unit inch Fig 3 57 j Panasonic_PAC i_IndoorUnit_US le30 30 3 2011 11 02 3 23 Suspending the Indoor Unit Depending on the ceiling type e Insert suspension bolts as shown in Fig 3 58 or Use existing ceiling supports or construct a suitable supp
6. circuit capacity U 26PE1U6 U 36PE1U6 U 42PE1U6 Tvbe Time delay fuse or circuit capacity U 26PS106 U 36PS1U6 U 42PS1U6 37 10 All wiring used must be Class 1 Regulations on wire diameters differ from locality to locality For field wiring rules must follow your LOCAL ELECTRICAL CODES before beginning You must ensure that installation complies with all relevant rules and regulations To prevent malfunction of the air conditioner caused by electrical noise care must be taken when wiring as follows The remote control wiring and the inter unit control wiring should be wired apart from the inter unit power wiring Use shielded wires for inter unit control wiring between units and ground the shield on one side only If the power supply cord of this appliance is damaged it must be replaced by a repair shop appointed by the manufacturer because special purpose tools are required 2011 11 02 Indoor Unit Time delay fuse or circuit Capacity Type Control Wiring A Inter Unit Control Wiring B Remote Control Wiring C Control Wiring For Group Control AWG 18 z 7 Use high voltage wire 300 V AWG 18 0 75 mm AWG 4187 0 75 mm Max 3 300 ft Max 1 650 ft 4 3 VViring System Diagrams Basic vviring diagram for standard control Inter unit power line Indoor 208 230 V 60 Hz 1 PH unit Max 650 ft Total AWG American Wire Gau
7. 1 GENERAL This booklet briefly outlines where and how to install the air conditioning system Please read over the entire set of instructions for the indoor and outdoor units 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 Torque wrench 14 Adjustable wrench 15 Reamer for deburring 7 1 1 2 Accessories Supplied with Outdoor Unit See Tables 1 1 to 1 6 Table Type 1 1 4 VVay Cassette 1 2 VVall Mounted 1 3 Ceiling 1 4 Low Silhouette Ducted 1 5 Wireless Remote Controller 1 6 Timer Wired Remote Controller 1 3 Type of Copper Tube and Insulation Material Copper tubing for connecting the outdoor unit to the indoor unit is available in kits which contain the liquid and gas tubing fittings and insulation Consult your nearest sales outlet or A C workshop If you wish to purchase these materials separately from a local source you will need 1 Deoxidized annealed copper tube for refrigerant tubing 2 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 3 Use insulated c
8. 62 Panasonic PAC i IndoorUnit US le62 62 7 2011 11 02 M 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 all 1 Power failure 1 Restore power 2 Leakage circuit breaker has 2 Contact service center tripped 3 Line voltage is too low 3 Consult your electrician or dealer 4 Operation button is turned off 4 Press the button again b The wireless remote controller or 15 Consult your dealer heat pump is malfunctioning 6 Batteries in wireless remote 6 Replace batteries controller have run down Compressor runs but soon stops 1 Obstruction in front of condenser 11 Remove obstruction coil Poor cooling or heating 1 Dirty or clogged air filter 1 Clean air filter to improve the performance airflow 2 Heat source or many people in 2 Eliminate heat source if possible room 3 Doors and or windows are open 13 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 5 Set the temperature lower or cooling or too low for heating higher e 6 Outdoor temperature is too low 16 Consult your dealer D 7 Defrosting system does not 7 Consult your dealer work Lamps
9. 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 2 0 36 Panasonic IndoorUnit 51 36 36 7 2011 11 02 Panasonic PAC i IndoorUnit US 1le37 37 4 ELECTRICAL WIRING 4 1 General Precautions on Wiring 7 Before wiring confirm the rated voltage of the unit as shown on its nameplate then carry out the wir ing closely following the wiring diagram Provide a power outlet to be used exclusively for each unit and a power supply disconnect and circuit breaker for overcurrent protection should be provided in the exclusive line 8 To prevent possible hazards from insulation failure the unit must be grounded Each wiring connection must be done in accordance with the wiring system diagram Wrong wiring may cause the unit to disorder or become damaged Do not allow wiring to touch the refrigerant tubing compressor or any moving parts of the fan 9 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 4 2 Recommended Wire Length and Wire Diameter for Power Supply System You must follow LOCAL ELECTRICAL CODES for wiring Outdoor Unit Tvbe Time delay fuse or
10. finger hold Screw Air filter finger hold Take hold of the finger hold on the air filter pull it toward you 1 Move 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 b Air filter ze FRONT When replacing the filter make sure that the FRONT mark is facing you Push it up until you hear it click back into position 61 2 2011 11 02 P 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 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 e Outdoor unit internal components must be checked and cleaned periodically Contact your local dealer for this service
11. gt 1 Remove the ceiling panel 2 Remove the corner cover behind the mark section 3 screvvs 3 Remove the mark section inside the ceiling panel 2 screvvs 4 Install the indicator section in the location where the mark section vvas attached 2 screvvs 5 Form the wire to match the panel ribs as shown in Fig 5 6 6 Install the corner cover Restrain the wire with the corner cover Corner cover 5 6 Operating Controller Installation Fig 5 5 CAUTION Do not twist the operating Pass the vviring through under the shaft controller vvires together with the power supply wires Doing so can result in malfunction in the unit power supply take appropriate measures for example installing a noise filter Wiring Install the operating controller at the indoor unit intake port section 1 Fasten the operating controller to the indoor unit Indicator section intake port section electrical component box Fig 5 6 opposite side with the 2 accessory screws 4xL13 32 2 Connect the operating controller 2 wires WHT BLK to the remote control wire WHT in the electrical component box For details on wiring see the section 5 9 Electrical wiring 3 Install the ceiling panel Operating controller 4 Connect the indicator section and the operating Electrical controller with the 6P connector white Screvvs component box 5 Form the wires with vinyl clamps a
12. CAUTION Also avoid areas where elec trical wiring or conduits are located The above precautions are also applicable if tubing goes through the wall in any other location 4 Using a sabre saw key hole saw or hole cutting drill attachment cut a hole in the wall See Table 3 3 and Fig 3 22 Table 3 3 Hole Dia inch 3 3 16 5 Measure the thickness of the wall from the inside edge to the outside edge and cut PVC pipe ata slight angle 1 4 shorter than the thickness of the wall Fig 3 23 6 Place the plastic cover over the end of the pipe for indoor side only and insert in the wall Fig 3 24 Fig 3 19 Right rear tubing recommended Right tubing Fig 3 20 In case of left rear or right rear tubing D e OT z V Center of left rear tubing hole Hole should be made at a slight dovvnvvard slant to the outdoor side ndoor De ww D 6 Center of right rear tubing hole Fig 3 21 PVC pipe locally purchased Outdoor side Cut at slight angle Fig 3 23 INSIDE OUTSIDE Vvall Plastic cover PVC pipe Field supply lt Slight j Panasonic PAC i IndoorUnit US le21 21 angle Fig 3 24 2011 11 02 3 12 Installing the Rear Panel on the Wall Be sure to confirm that the vvall is strong enough to suspend the unit See either Item a or b below depending on the wall type
13. Ceiling Part Name Figure Q ty Part Name Figure Q ty Full scale installation diagram 1 Insulating tape O 2 Special washer CS Vinyl clamp 8 oa Sealing putty 1 Drain insulator a Drain hose 1 Flare insulator 15 134 Set 175 707 1 comes vvith 7 7 8 in vvire Drain hose adaptor 1 q VVood screvv q 2 Drain hose clamp 6 Wire joint gt Do 2 8 j Panasonic_PAC i_IndoorUnit_US le8 8 2011 11 02 Table1 4 Lovv Silhouette Ducted Part Name Figure Q ty Part Name Figure Q ty Flare insulator Drain hose adaptor 9 1 Insulating tape 1 Special vvasher CS 8 Jumper cable 0 1 Vinylclamp lt A 8 Hose band Q 2 Wired remote controller Packing lt q comes with 7 7 8 in wire Sealing putty 1 VVood screvv Drain insulator 6G 1 gp Drain hose 1 Wire joint D m 2 Table 1 5 Accessories for the Wireless Remote Controller lt CZ RWSU1U gt Operation controller ojm Spacers Pan head tapping screws Indicator section 4 x 13 32 in VVireless remote controller J Truss head J 4 x 5 8 in Wireless remote controller Vinyl clamps mounting cradle L 5 29 32 Batteries lt CZ RWSK1U gt Wireless remote controller j 4 x 5 8 in Wireless remote controller Batteries mounting cradle i Panasonic PAC i IndoorUnit US le9 9 i 2011 11 02 lt CZ RWSC1U
14. Either room temperature sensor can be used When Unit Sensor is indicated on the wireless remote controllers LCD the indoor unit sensor is operating as the room temperature sensor To change to the remote control sensor open the remote control cover and press the SENSOR button once The Unit Sensor display disappears and the remote control sensor becomes the room temperature sensor If the temperature data from the remote controller is not communicated to the indoor unit for a period of 10 minutes when the remote control sensor is selected the unit automatically switches back to the indoor unit sensor Install the remote controller in a location where the signal can reliably be received by the indoor unit 5 21 2 Using the remote controller Face the remote controller toward the receiver indoor unit The maximum distance where the remote controller signal can be received is approximately 26 ft however this distance is only a guide The actual distance may vary somewhat depending on battery capacity and other conditions Make sure there are no obstructions which can block the signal between the remote controller and the receiver When the remote controller signal is received correctly the indoor unit beeps It beeps twice only when operation is started ua Recelver VVireless Remote Controller Do not drop throw or wash the remote controller Do not place the remote controlle
15. a flathead screwdriver to push up the 3 tabs to remove the grille Fig 3 28b c Pull the lower part of the grille toward you to remove Fig 3 28a How to replace the grille 1 Close the flaps 2 Reinstall the grille into the lovver part vvhile align ing its tabs on the upper part Fig 3 29a Insert the tabs in the slots and push the lovver part of the Fig 3 29a b grille back into position 3 Press at each of the 5 tabs to completely close the grille Make sure that the grille and frame are firmly fitted together Fig 3 29b 3 14 Preparing the Indoor Side Tubing Arrangement of tubing by directions a Right tubi m a ight tubing 1 The of the right frame needs to be cut by a Ss Right tubing hacksaw or the like Fig 3 30 eli b Right rear or left rear tubing In this case the corner of the frame needs not be cut Fig 3 30 To mount the indoor unit on the rear panel Mounting slot a Hang the 3 mounting slots of the unit on the upper tabs of the rear panel Fig 3 31 23 i Panasonic PAC i Indoor Unit US le23 23 i 2011 11 02 3 15 Wiring Instructions 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
16. gt i Part Name Separate type signal receiving unit Small screws comes with 7 7 8 in wire M4 x 1 9 16 in Carrier for ceiling installation Wood screws Wireless remote controller J Spacers Wireless remote controller TA Wire joints mounting cradle Batteries Clamp Machine screws Ceiling installation paper pattern M4 x 1 in 3 3 4 x 2 1 32 in Table 1 6 Accessories for the Timer Wired Remote Controller Figure Q ty Part Name Figure Q ty Connecting wiring 1 Spacers 6 2 Machine screvvs oy Clamps 2 10 j Panasonic_PAC i_IndoorUnit_US le10 10 3 2011 11 02 P 1 This unit requires no additional refrig AUTION erant charge up to 100 ft tubing length In case of more than 100 ft additional refrigerant charge is required 2 In case of multi type installation indoor units should be installed within the same room f multi type indoor units are installed in different rooms tem perature control may develop problems because thermostat operation must follow the thermostat condition of 1 indoor unit only the main unit WARNING Always check the gas density for the room in which the unit is installed E Check of limit density When installing an air conditioner in a room it is neces sary to ensure that even if the refrigerant gas acciden tally escapes its density does not exceed the limit level for that room CAUTION Pay special attention to any
17. location such as a basement or recessed area etc where leaked refrigerant can collect since refrigerant gas is heavi er than air 11 i Panasonic PAC i IndoorUnit US le11 11 i 2011 11 02 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 Min 10 inch Paani view direct sunlight locations near inverter lamps which may affect the NOE performance of the unit 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 dis charge 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 Air J Ceiling 22 Min 10 inch The rear of the indoor unit can be installed flush against the wall discharge lt lt lt Min 2 ft Air intake 7 Side vievv 7 locations where the receiver in the indoor unit is Low Silhouette Ducted Type exposed to the inverter lamp light Faulty operation 4 Way Cassette Type of the unit occurs 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
18. lt field supply Washer field supply unit We Washer supplied Double nut field supply Fig 3 46 27 j Panasonic_PAC i_IndoorUnit_US le27 27 2011 11 02 m li 7 Suspend the indoor unit as follovvs a Mount a vvasher and tvvo hexagonal nuts on each suspension bolt as shown in Fig 3 47 b Lift the indoor unit vvith a lifting machine to the ceiling surface and place it on the washers through the notches to fix it in place Fig 3 48 c Tighten the two hexagonal nuts on each suspension bolt to suspend the indoor unit as shown in Fig 3 49 A ceiling surface is not always level Please confirm that the indoor unit is evenly suspended For the instal lation to be correct leave a clearance of about 3 8 between the ceiling panel and the ceiling surface and fill the gap with an appropriate insulation or filler material 8 If the tubing and wiring are to go towards the rear of the unit make holes in the wall Fig 3 50 9 Measure the thickness of the wall from the inside to the outside and cut PVC pipe at a slight angle to fit Insert the PVC pipe in the wall Fig 3 51 Z Z supplied Suspension bolt field suppiy Fig 3 47 Outdoor side ndoor PVC pipe field supply 1 1 1 1 1 1 1 1 1 INSIDE Wall OUTSIDE Slight Cut at slight angle Fig 3 51 28 i Panasonic PAC i IndoorUnit US l
19. ndicator section Panel Indicator section Cover B Not used when Install the operating controller on the top face of the air intake section space between the fan motor and the electrical component box Fig 5 9 1 Fasten the operating controller to the ceiling panel of the air intake section with the 2 supplied screws 4xL13 32 2 Draw the lead wires into the electrical component box and connect the operating controller 2 wires WHT BLK to the remote control wires in the electrical component box 3 Connect the indicator section and the operating controller using the 6P connector in the electrical component box Electrical component box __ Fig 5 9 2011 11 02 H 5 9 Electrical VViring Signal receiving unit Indoor PCB Operating controller VV VV3 l 0 7 ft 4 3 ft BLU BLU VVL 1 VVHT PNK PNK 2 BLK RED RED GRY GRY BLK BLK Relay connector Connection method 1 Connect VV1 to the indoor PCB WL connector 2 Connect W3 from the indicator section with W2 from the operating controller using the relay connector 5 10 Test Run Switch The test run switch is located in the operating control unit See the Installation Instractions attached to the outdoor unit 5 10 1 How to use the test run setting U1 T1 Types 1 Set DIP switch DS No 1 on the wireless receiver unit PCB from OFF to the ON position All OFF o for 2 Press the ON OFF operatio
20. on the indoor 1 Trouble in wiring system 1 Contact service center unit are flashing 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 ceiling 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 63 Panasonic PAC i IndoorUnit US le63 63 7 2011 11 02 DC0811 21111 Printed in Japan Panasonic PAC i Indoor Unit US le1 1 7 2011 11 02 15 17 4
21. only The slide switch setting at the time of factory shipment for model K1 type is B S 26PK1U6 1FA4B1B055200 1 ADDRESS 5010 ong 600 o 8 T s Re Bu y E BRN isi 6009 10001 9000 noG 0 9y0 U bul p 0S A0 13 M N ulu p10 12000 49 AHA 10ND Norio 9400 SWA 1G 2200 Fe HA 9802 Ol XWA 900N2 o Od OL AYAC When using wired remote controller as sub to set its data to sub in remote controller setting mode When using wireless remote controller as sub set the un switch on the indoor unit control PCS to A wireless remote controller as sub When using wireless remote controller as main Nos 1 2 3 all OFF 56 j Panasonic_PAC i_IndoorUnit_US le56 56 3 2011 11 02 15 17 39 Subyullq due Aqpuejs p elds p 6 0 d Aj 09100 Al 991109 you si dnos6 y ul Silun M H ye se wege 10u S jaUed un JOOPU uo e JoUed 104 S 10 99uu09 yun loopul OU pue dwej 19w uolyesado ENPIAIPUI JO 195 51 11 JOAOMOY JUN 100DU OU 0 Bab p eidsip 201 H Je SE OWES 2 S 0102 0 JO Bum 101002 Yabo buly
22. performance and cause defects of the unit 2 2 Since refrigerant composition changes and performance decreases when gas leaks collect the remaining refrigerant and recharge the required total amount of new refrigerant after fixing the leak 3 Different tools required 3 1 Tool specifications have been changed due to the characteristics of R410A Some tools for R22 and R407C type refrigerant systems cannot be used N R407C tools Item t compatible Remarks Oo with R410A Manifold gauge Yes No Types of refrigerant refrigerating machine oil and Charge hose pressure gauge are different To resist higher pressure material must be changed Vacuum pump Use a conventional vacuum pump if it is equipped with a check valve If it has no check valve purchase and attach a vacuum pump adapter Leak detector Leak detectors for CFC and HCFC that react to chlorine do not function because R410A contains no chlorine Leak detector for HFC134a can be used for R410A Flaring oil For systems that use R22 apply mineral oil Suniso oil to the flare nuts on the tubing to prevent refrigerant leakage For machines that use R407C or R410A apply synthetic oil ether oil to the flare nuts Using tools for R22 and R407C and new tools for R410A together can cause defects j Panasonic_PAC i_IndoorUnit_US le4 4 Manifold gauge Vacuum pump Outlet 2011 11 02 3 2 Use R4
23. 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 Min 8 ft install the unit within the maximum elevation Shows Low Silhouette Ducted Type only difference above or below the outdoor unit and within a total tubing length L from the outdoor unit as detailed in the installation instructions packed with the outdoor unit Wall Mounted Type allow room for mounting the remote controller about 3 ft off the floor in an area that is not in direct Vb sunlight nor in the flow of cool air from the indoor unit Min 6 inch NOTE Air delivery vvill be degraded if the distance from the floor to the ceiling is greater than 10 ft 12 j Panasonic_PAC i_IndoorUnit_US le12 12 i Min 6 inch Min 12 inch 7 2011 11 02 3 HOW TO INSTALL THE INDOOR UNIT M 4 Way Cassette Type U1 Type 3 1 Suspending the Indoor Unit This unit uses a drain pump Use a level gauge to check that the unit is level 3 2 Preparation for Suspending 1 Fix the suspension bolts securely in the ceiling using the method shown in the diagrams Figs 3 1 and 3 2 by attaching them to the ceiling support structure or by any other method that ensures that the unit will be securely and safely suspended 2 Fol
24. 1 Suspending the Indoor Unit 3 2 Preparation for Suspending 3 3 Placing the Unit Inside the Ceiling 3 4 Installing the Drain Piping 3 5 Checking the Drainage 3 6 Before Installing the Ceiling Panel 3 7 Installing the Ceiling Panel 3 8 When Removing the Ceiling Panel for Servicing 3 9 Duct for Fresh Air m Wall Mounted Type K1 Type 21 3 10 Removing the Wall Fixture from the Unit 3 11 Selecting and Making a Hole 3 12 Installing the Rear Panel on the Wall 3 13 Removing the Grille to Install the Indoor Unit 3 14 Preparing the Indoor Side Tubing 3 15 Wiring Instructions 3 16 Wiring Instructions for Inter Unit Connections 3 17 Shaping the Tubing 3 18 Installing the Drain Hose m Ceiling Type T1 Type 26 3 19 Suspending the Indoor Unit 3 20 Duct for Fresh Air 3 21 Installing the Drain Piping M Low Silhouette Ducted Type F1 Type 30 3 22 Required Minimum Space for Installation and Service 3 23 Suspending the Indoor Unit 3 24 Installing the Drain Piping 3 25 Checking the Drainage 3 26 Increasing the Fan Speed 3 27 When Installing the Indoor Unit 3 28 Required Minimum Space for Installation and Service M SUPPLEMENT ON DRAIN PIPING 36 4 ELECTRICAL VVIRING 37 4 1 General Precautions on Wiring 4 2 Recommended Wire Length and Wire Diamet
25. 10A exclusive cylinder only VVhen charging vvith a refrigerant cylinder use an electronic scale for charging refrigerant In this case if the volume of refrigerant in the cylinder becomes less than 20 of the fully charged amount the composition of the refrigerant starts to change Thus do not use the refrigerant if the amount in the charging cylinder is less than 20 Configuration and characteristics of cylinders Also charge the minimum necessary amount to the charging cylinder before using it to charge the air conditioning unit Ta Single valve Charge liquid refrigerant with cylinder in up side down position Fig 1 Valve mr Single valve vvith siphon tube Charge with cylinder in normal position Fig 2 j Panasonic_PAC i_IndoorUnit_US le5 5 3 2011 11 02 Panasonic PAC i IndoorUnit US le6 6 CONTENTS Page IMPORTANT orisa 2 Please Read Before Starting Check of Density Limit Precautions for Installation Using New Refrigerant T GENERAL a b 7 1 1 Tools Required for Installation not supplied 1 2 Accessories Supplied with Outdoor Unit 1 3 Type of Copper Tube and Insulation Material 1 4 Additional Materials Required for Installation 2 SELECTING THE INSTALLATION SITE 12 2 1 Indoor Unit 3 HOW TO INSTALL THE INDOOR UNIT 13 M 4 Way Cassette Type T vYDE nee eee m b S 13 3
26. 15 ASHRAE 34 7 j Panasonic_PAC i_IndoorUnit_US le3 3 2011 11 02 P Precautions for Installation Using New Refrigerant 1 Care regarding tubing 1 1 Process tubing Material Use C1220 phosphorous deoxidized copper specified in JIS H3300 Copper and Copper Alloy Seam less Pipes and Tubes Tubing size Be sure to use the sizes indicated in the table below Use a tube cutter when cutting the tubing and be sure to remove any flash This also applies to distribution joints optional When bending tubing 25 8 or smaller use a bending radius that is 4 times the outer diameter of the tubing or larger CAUTION Use sufficient care in handling the tubing Seal the tubing ends with caps or tape to prevent dirt moisture or other foreign substances from entering These substances can result in system malfunction Unit inch Material O Copper tube Outer diameter Wall thickness 1 4 3 8 1 2 5 8 t0 032 t0 032 t0 032 t0 04 1 2 Prevent impurities including water dust and oxide from entering the tubing Impurities can cause R410A refrigerant deterioration and compressor defects Due to the features of the refrigerant and refrigerating machine oil the prevention of water and other impurities becomes more important than ever 2 Be sure to recharge the refrigerant only in liquid form 2 1 Since R410A is a non azeotrope recharging the refrigerant in gas form can lower
27. 777 7 7777777 7277777 7 277777 7 77 ZL ZL 777777777 7 U LIII 77777777777 LLL 77777777777 7 77 7 7 7777777777777 7777777777777 7777777777777777 7777777777777777 2 2222 Za Y LIUU U UUU 7717777777777 LALLIL LIII LL 77777777 YW LILILILLLL 77777777 27 7 7 LUU Panel catch arrange facing downwards 2 locations 3 2011 11 02 i Panasonic PAC i IndoorUnit US le18 18 3 7 Installing the Ceiling Panel 1 Lift the ceiling panel and position it to align the panel hook with the panel catch of the indoor unit The ceiling panel must be mounted in the correct direction Note that the 2 catches of the panel differ in size Confirm that the catches are correctly matched between the ceiling panel and the indoor unit body 2 Next check to see that the ceiling panel is prop erly aligned with the seamline of the ceiling If it is not remove the ceiling panel and slightly readjust the indoor unit body to the proper suspension point 3 When the ceiling panel has been properly aligned use the supplied 4 mounting screws M5 with washers to permanently fasten the ceiling panel 4 Install the wiring connector from the ceiling panel to the connector in the electrical component box of the indoor unit After installing the connector use the clamp on the
28. anasonic PAC i IndoorUnit US le15 15 i Transparent part fr Hose band checking drainage supplied Adhere vvith PVC adhesive y Y od ey i Drain hose Hard PVC pipe Packing Drain hose adapter not supplied supplied supplied supplied Fig 3 6 Drain insulator supplied Fig 3 7 Air bleeder 2 Fig 3 8 11 or less as short as possible 19 1 2 or less Fig 3 9 Upvvard gradient prohibited 22 9 Fig 3 10 Support pieces Fig 3 11 2011 11 02 P 3 After drain checking is finished return the Opera 3 5 Checking the Drainage After wiring and piping are completed use the follow ing procedure to check that the water will drain smooth ly For this prepare a bucket and wiping cloth to catch and wipe up spilled water Do not supply power to the WARNING unit until the tubing and wir ing to the outdoor unit are completed 1 Take off the tube cover and through the opening slowly pour about 0 3 gal of water into the drain pan to check drainage 2 Do Test Run to check the drainage after complet ing installation When performing Test Run refer to the installation instructions attached to the outdoor unit Be careful since the fan will CAUTION start turning when checking 5 16 4 x 8 mm the drainage tapping screvv 4 Tube cover tion Selector switch to the RUN position ON pos
29. and is not restricted by laws imposed to protect the ozone layer However since it contains more than air it poses the risk of suffocation if its density should rise excessively Suf focation from leakage of refrigerant is almost non existent With the recent increase in the number of high density buildings however the installation of multi air conditioner systems is on the increase because of the need for effec tive use of floor space individual control energy conserva tion 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 pro cedure so that if the refrigerant accidentally leaks out its density does not reach the limit and in the event of an emergency measures can be made before injury can occur ASHRAE and the International Mechanical Code of the ICC as well as CSA provide guidance and define safe guards related to the use of refrigerants all of which define a Refrigerant Concentration Level RCL of 25 pounds per 1 000 cubic feet for R410A refrigerant For additional guidance and precautions related to refrigerant safety please refer to the following documents International Mechanical Code 2009 IMC 2009 or more recently revised ASHRAE
30. and pass the 8P sockets through it Fix the panel lead wire to air intake plenum side clamper Connect the 3P socket white and 2P socket green to the other side of the 3P socket white and 2P socket green respectively Reattach the socket cover Please fix the socket cover located on the switch box after closing the lid for the switch box Take adequate precautions when installing onto the ceiling The air intake plenum is especially prone to rupture if struck on it s side 20 Installation screws M4xL1 2 4pcs j Panasonic_PAC i_IndoorUnit_US le20 20 3 Duct connection flange Duct connection box Panel catch Ceiling panel Fig 3 18 2011 11 02 M Wall Mounted Type K1 Type 3 10 Removing the Wall Fixture from the Unit Remove the set screvvs and take off the rear panel Fig 3 19 Tubing can be extended in 3 directions as shovvn in Fig 3 20 Select the direction that provides the shortest run to the outside unit 3 11 Selecting and Making a Hole 1 Remove the rear panel from the indoor unit and place it on the vvall at the location selected Make sure the unit is horizontal using a level gauge or tape measure to measure dovvn from the celling 2 Determine vvhich side of the unit you should make the hole Fig 3 21 3 Before making a hole check carefully that no studs Or pipes are directly run behind the spot to be cut Ph N
31. as with a flame as this will cause the generation of poisonous gas Keep all tubing runs as short as possible 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 con nection Check carefully for leaks before starting the test run Amm 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 cycle 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 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 j Panasonic_PAC i_IndoorUnit_US le2 2 2011 11 02 VVhen Servicing e Turn the power OFF at the main power box mains before opening the unit to check or repair electrical parts and vviring e Keep your fingers and clothing away from any moving parts e Clean up the site after you finish remembering to check that no metal scraps or bits of wiring have been left inside the unit being serviced e Do not clean inside the indoor and MISS outdoor
32. ay cause injury if han died 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 gt display of the remote controller wired type shows that the filter needs cleaning If the filter gets blocked the efficiency of the air conditioner drops greatly wef u m Period Six months 2 Two weeks Two weeks specifications Low Silhouette Ducted type F1 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 The frequency vvith vvhich the filter should be cleaned depends on the environment in which the unit is used Hovv 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 59 j Panasonic_PAC i_IndoorUnit_US le59 59 3 2011 11 02 o M Care and Cleaning continue
33. body of the indoor unit to secure the wiring 5 Install the air filter and air intake grille by perform ing the steps in section 3 6 in reverse Hook again the safety cord in its original position before closing the air intake grille 3 8 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 18 2011 11 02 P 3 9 Duct for Fresh Air For fresh air intake There is a duct connection part on side of the indoor unit Fig 3 16 Alir intake plenum including Duct connection box and flange are attached to the indoor unit vvhen used to take fresh outdoor air Air intake plenum Type CZ 24KPU1U S 26PU1U6 CZ 36KPU1U CZ 42BCUTU S 36PU106 S 42PU1U6 CZ 26BCU1U 1 Accessories Check that the following parts are in the box when Fig 3 16 Unit inch unpacking NAME Q ty REMARKS Screvv M xL4 7 8 Air intake plenum for fastening Screvv M4xL4 1 2 Duct connection flange box for fastening Duct connection box for fresh air Duct connection flange for connecting fresh air duct 2 Installation Installation steps a to d are the same for both the CZ 26BCU1U and the CZ 42BCU1U The drawing illustrates installation of air intak
34. cause over heating at connection points and a possible fire hazard To prevent possible hazards from insulation failure 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 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 outlet at least CAUTION A 5 feet away from the unit n 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 n an Area with High Winds Securely anchor the outdoor unit down with bolts anda metal frame Provide a suitable air baffle n 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 event that is refrigerant gas leaks during the installation Be careful not to allow contact of the refrigerant g
35. ctually operate the system Be sure to pass the manual and warranty certificate to the customer Verify that the AC 208 230 V wiring is not connected to the terminal plate which is used to connect the inter unit control wiring If AC 208 230 V is accidentally applied to this terminal plate the fuse 0 5A for both indoor and outdoor units on the inter unit control PCB will be tripped in order to protect the PCB Correct the wiring connections then disconnect the 2P connectors indoor unit blue OC CN40 outdoor unit blue OC which are connected to the PCB and connect the other 2P connectors indoor unit brown EMG CN44 outdoor unit brown EMG See the figure below If operation is still not possible with the brown connectors connected cut the varistor black for both the indoor and outdoor units Be sure to turn OFF the power before performing this work Indoor unit control PCB Outdoor unit control PCB lt For K1 Type gt Fuse Varistor black VA002 CHK 2P plug o Serial 2 connector brown Varistor black 55 P 5 23 When Setting Indoor Unit Control PCB Switch for Wall Mounted Indoor Unit When using both the wired and wireless remote controller refer to the procedure below f this setting is not made correctly an alarm will occur The operation lamp on the display blinks This setting is not necessary for the case of using wireless remote controller
36. d Hovv to remove the filter 4 VVay Cassette type U1 1 Use a screvvdriver to remove the bolt screvv on each side for the tvvo 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 When cleaning the air filter never remove the safety chain If it is necessary to CAUTION 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 U1 type Air intake rille g Bolt screws 60 Panasonic PAC i IndoorUnit US le60 60 7 2011 11 02 4 M Care and Cleaning continued Hovv to remove the filter continued Ceiling type T1 VVall mounted type K1 Panasonic PAC i IndoorUnit US le61 61 1 Take hold of the finger hold on the air intake grille and press it to the rear and the grille vvill open downward 2 Take hold of the finger hold on the air filter pull it toward you EC YY Air filter finger hold m Air intake grill
37. d screwdriver remove the Fig 3 33 screw on the cover plate Figs 3 33a and 3 33b 9 2 Clamping Connection for Solenoid 2 Remove the cover plate strap _ Vale Kit for 3VVAY Povver vviring e field supplied Earth screw Remote control wiring and Inter unit control Conduit wiring field supplied field supplied Fig 3 33b 24 i Panasonic PAC i IndoorUnit US le24 24 i 2011 11 02 15 17 2 3 17 Shaping the Tubing 1 Shape the refrigerant tubing so that it can easily go into the hole Fig 3 34 2 Push the vviring refrigerant tubing and drain hose through the hole in the vvall Adiust the indoor unit so it is securely seated on the wall fixture 3 Carefully bend the tubing if necessary to run along the wall in the direction of the outdoor unit and then insulate to the end of the fittings The drain hose should come straight down the wall to a point where water runoff will not stain the wall 4 Connect the refrigerant tubing to the outdoor unit After performing a leak test on the connection insulate it with insulating tape Fig 3 35 5 Assemble the refrigerant tubing drain hose and inter unit wiring as shown in Fig 3 36 3 18 Installing the Drain Hose 1 The drain hose should be slanted downward on the outdoor side Fig 3 37 2 Never form a trap in the course of the hose 3 If the drain hose will run in the room insulate the hose so that chi
38. de reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help e FCC Caution To assure continued compliance follow the attached installation instructions Any changes or modifications not expressly approved by the party responsible for compliance could void the users authority to operate this equipment Check of Density Limit The room in which the air conditioner is to be installed requires a design that in the event of refrig erant gas leaking out its density will not exceed a set limit The refrigerant R410A which is used in the air condition er is safe without the toxicity or combustibility of ammonia
39. dure Carry out the wiring according to the above wiring diagram Address setting is automatically executed P after turning on the system An indoor unit address is assigned to each indoor unit Operation takes place successively at intervals of 1 second by using combinations of the address setting of each unit 50 j Panasonic_PAC i_IndoorUnit_US le50 50 3 2011 11 02 5 17 VViring System Diagram for Group Control This diagram shows when several units maximum of 8 are controlled by a signal receiving unit main unit In this case a signal receiving unit can be connected at any indoor unit Group control using 2 signal receiving units It does not matter which of the 2 signal receiving units you set as the main controller Remote Controller Connection wiring 2 for group control 11 2 T ae Wire join Outdoor unitl Outdoor unit Outdoor unit Outdoor unit Ground earth 51 VViring procedure VVire according to the diagram at left Address setting is executed automatically when the outdoor unit is turned on Each successive unit will respond at one second intervals following the order of the group address when the remote controller is operated When using multiple signal receiving units up to 2 can be used one is the main signal receiving unit and the other is the sub signal receiving unit To set up a
40. e Line 38 j Panasonic_PAC i_IndoorUnit_US le38 38 2011 11 02 Loose vviring may cause the terminal to overheat or result in unit malfunction A fire hazard may also exist Therefore ensure that all wiring is tightly connected VVhen connecting each povver vvire to the correspond ing terminal follovv the instructions on Hovv to connect vviring to the terminal and fasten the vvire securely vvith the fixing screvv of the terminal plate 4 4 Hovv to Connect VViring to the Terminal E For stranded wiring 1 Cut the wire end with a wire cutter or vvire cutting pliers then strip the insulation to expose the stranded vviring about 3 8 Fig 4 1 2 Using a Phillips head screvvdriver remove the ter minal screvv s on the terminal plate 3 Using a ring connector fastener or pliers securely clamp each stripped wire end with a ring pressure terminal Fig 4 1 4 Place the ring pressure terminal and replace and tighten the removed terminal screw using a screwdriver Fig 4 2 39 _Stranded wire pressure o s Z r terminal Fig 4 1 Special vvasher Screw Ring pressure ab Screvv and terminal Special washer Wire LO Terminal plate Ring ae pressure terminal Wire lt Fig 4 2 i Panasonic IndoorUnit US le39 39 i 2011 11 02 P 5 HOW TO INSTALL THE WIRELESS REMOTE CONTROLLER IMPORTANT When using thi
41. e ceiling determine the pitch of the suspension bolts using the supplied full scale installation diagram Fig 3 4 The size of the opening for the indoor unit can be confirmed by attaching the full scale installation diagram beneath the unit Fig 3 4 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 each suspension bolt must be appropriate for a distance between the bottom of the bolt and the bottom of the ceiling of 5 8 or more as shown in Fig 3 4 3 Thread the 2 hexagonal nuts field supply and washers onto the 4 suspension bolts as shown in Fig 3 5 Use 2 sets of nuts and washers upper and lower so that the unit will not fall off the suspension lugs 4 Remove the protective cardboard used to protect the fan parts during transport 5 Adjust the distance between the unit and surface of the ceiling 1 7 8 Fig 3 4 14 5 8 or more Full scale installation diagram printed on a cardboard packing 1 7 8 j Panasonic_PAC i_IndoorUnit_US le14 14 3 Nuts and washers Use above and below 48 Full scale installation l diagram Fig 3 4 Suspension bolt Suspension lug Double nuts Em 1 7 8 Fig 3 5 2011 11 02 3 4 Installing the Drain Pip
42. e 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 66 6 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 67 6 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 68 Refer to Mi SUPPLEMENT ON DRAIN PIPING 3 25 Checking the Drainage After wiring and drain piping are completed use the gt following procedure to check that the water will drain smoothly For this prepare a bucket and wiping cloth to catch and wipe up spilled water 1 Connect power to the power terminal board L1 L2 terminal inside the electrical component box 2 Remove the tube cover and through the opening slowly pour about 0 3 gal of water into the drain pan to check drainage 3 Short the check pin CN5 white on the indoor control board and operate the drain pump Check the water when you short the pin on the indoor control board Be careful since the fan will start 4 VVhen the check of drainage is complete open the check pin CN5 white and remount th
43. e insulator and drain cap onto the drain inspection port A N CAUTION To mount the tube cover use 5 16 4 x 8 mm tapping screws Do not use long screws as they may puncture the drain pan and cause water leak age 33 j Panasonic_PAC i_IndoorUnit_US le33 33 3 Air bleeder Not good Fig 3 65 11 13 16 or less 19 11 16 or less Fig 3 66 Upward gradient Fig 3 67 Support pieces b VON Good Fig 3 68 2011 11 02 3 26 ncreasing the Fan Speed Electrical component box If external static pressure is too great due to long Booster cable extension of ducts for example the air flovv volume Booster cable may drop too low at each air outlet This problem may be solved by increasing the fan speed using the Fan motor socket following procedure At shipment Booster cable installed Fig 3 69 1 Remove 4 screws on the electrical component box and remove the cover plate 2 Disconnect the fan motor sockets in the box 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 the Fig 3 69 5 Place the cable neatly in the box and reinstall the cover plate E How to read the diagram Indoor Fan Performance The vertical axis is the external static pressure 26 Type 36 Type Pa while the horizontal axis represents the air 200 fl
44. e plenum to the CZ 26BCU1U Installation screws P M5 x L4 7 8 4 pcs Socket cover a Installing the air intake plenum Set the air intake plenum to the indoor unit taking care not to set to the incorrect direction Panel lead wire 3P 2P Fasten the air intake plenum with the supplied screws M5 x L4 7 8 4 pcs b Installing the duct connection box Fasten the duct connection flange to the duct connection box with the accessory screws M4 x L1 2 4 pcs l Clamper Air intake Fit the duct connection box into the rectangular hole of plenum the air intake plenum and fasten it to the side of the air intake plenum with the accessory screws M4 x L1 2 4 pcs 3P socket White 2P socket Green switch box side 3P socket White 2P socket Green ceiling panel side c Installing the indoor unit Install the indoor unit to the ceiling Install the indoor unit according to instructions enclosed with the outdoor unit When installing in a pre CAUTION existing location install the indoor unit before installing the duct connection box 19 j Panasonic_PAC i_IndoorUnit_US le19 19 3 2011 11 02 d d Installing the ceiling panel Attach the ceiling panel to the air intake plenum Dravving the panel dovvnvvards sets the panel in position temporarily vvith the panel catch at 2 locations Remove the socket cover of the air intake plenum
45. e28 28 2011 11 02 3 20 Duct for Fresh Air There is a duct connection port knock out hole at the right rear on the panel top of the indoor unit for drawing in fresh air If it is necessary to draw in fresh air remove the cover by knocking it out and connect the duct to the indoor unit through the connection port Fig 3 52 If connection at the right rear on the panel top is not appropriate another duct connection port can be made by cutting an opening on the left side of the rear panel of the indoor unit as shown in Fig 3 53 3 21 Installing the Drain Piping Prepare a standard PVC pipe for the drain and connect it to the indoor unit drain pipe with the supplied hose clamps to prevent water leaks Connect the drain piping so that it slopes downward from the unit to the outside Fig 3 54 Never allow traps to occur in the course of the piping Insulate any piping inside the room to prevent dripping Use the supplied drain pipe to connect the drain pipe with the drain outlet of the indoor unit After connecting the drain pipe securely wrap the supplied drain pipe insulator around the pipe seal the gap at the drain socket with the supplied black insulation tape then secure it with clamps Fig 3 55 After the drain piping pour water into the drain pan to check that the water drains smoothly Check local electrical codes and regulations before obtaining wire Also check any sp
46. each unit A power supply disconnect and circuit breaker for overcurrent protection should be provided in the exclusive line To prevent possible hazards from insulation failure the unit must be grounded All wiring must be connected tightly Do not allow wiring to touch refrigerant tubing compressor or any moving parts of the fan s Unauthorized changes in the internal wiring can be very dangerous The manufacturer will accept no responsibility for any damage or misoperation that occurs as a result of such unauthorized changes 3 16 Wiring Instructions for Inter Unit Connections 1 Insert the inter unit wiring according to local electrical codes into the through the wall PVC pipe Run the wiring toward the indoor side allowing approx 10 inches to extend from the wall face Fig 3 32 2 Route the inter unit wiring from the back of the indoor unit and pull it toward the front for connection Figs 3 33a and 3 33b Terminal plate 3 Connect the inter unit wiring to the corresponding terminals on the terminal plate Figs 3 33a and 3 33b while referring to the wiring diagram 4 Be sure to secure the wiring with the provided clamp How to remove the cover plate To access the terminal plate inside the indoor unit Cover plate follow these steps 1 Using a Phillips hea
47. ecified instruction or limitations Duct connection port Knock out hole gu Panel Top Fig 3 52 S 26PT1U6 S 36PT1U6 S 42PT1U6 3 15 16 7 3 32 1 3 8 1 31 32 29 i Min 1 100 Drain pipe clamp supplied Indoor unit Drain hose dapter Packing softened Drain hose 2 API supplied supplied supplied Fig 3 55 j Panasonic_PAC i_IndoorUnit_US le29 29 2011 11 02 POES M Low Silhouette Ducted Type F1 Type EEE EE 3 22 Required Minimum Space for Installation and E Service A Suspension bolt pitch 2 Electrical B component This air conditioner is usually installed above the gt N ceiling so that the indoor unit and ducts are not Inspection visible Only the air intake and air outlet ports are 2 ici Al Indoor Unit 17 23 32 visible from belovv N i 4 The minimum space for installation and service is 17 23 32 shovvn in Fig 3 56 and Table 3 4 Fas Refrigerant t is recommended that space be provided 17 23 32 a x 17 23 32 checking and servicing the electrical system Air outlet duct flange E Fig 3 57 and Table 3 5 show the detailed Unit inch dimensions of the indoor unit Fig 3 56 Table 3 4 Unit inch mm A Length 42 17 32 1 080 61 13 32 1 560 Number of duct flanges Table 3 5 Unit inch mm Dimension A B C G Type S 26PF1U6 77
48. ensor 1 Operation Display 2 Start Stop button 3 Fan speed button 10 Temperature setting buttons 11 Filter button 12 Mode Select button 13 Ventilation button 14 Address button 5 Timer setting button 6 Reset button 15 Sensor button 16 Clock button 7 Cover Fig 5 25 Table K 2 amp OPERATION TIMER STANDBY Cause of Trouble lamp lamp Mopover supply or mis wiring of signal receiving unit S C errors between the indoor unit s controller PCB and a signal receiving unit 008075 SC errors between indoor and outdoor units _ Alternately Indoor unit protector is activated om Alemately Outdoor unit protector is activated 1750 C UX Compressor protector is activated om 3 Mis setting of indoor unit S C Serial communications 49 j Panasonic_PAC i_IndoorUnit_US le49 49 3 2011 11 02 5 16 Basic VViring Diagram CAUTION Be sure to do the wiring Incase of using shielded wires for inter unit control correctly incorrect wiring wiring ground the shield on one side Fig 5 26 will damage the equipment Otherwise misoperation because of electrical noise may occur Remote Controller 112 4 Wire joint Fig 5 26 Inter unit control wiring L Outdoor unit Ground earth Wiring proce
49. er for Power Supply System 4 3 Wiring System Diagram 4 4 How to Connect Wiring to the Terminal 5 HOW TO INSTALL THE WIRELESS REMOTE CONTROLEER unu day n 40 5 1 Wireless Remote Controller Installation 5 2 Room Temperature Sensor Setting 5 3 Address Switches 5 4 Setting the Model Code lt CZ RWSU1U gt M 4 Way Cassette Type U1 Type 42 5 5 Indicator Section Installation 5 6 Operating Controller Installation m Ceiling Type T1 Type 43 5 7 Indicator Section Installation 5 8 Operating Controller Installation 5 9 Electrical Wiring 5 10 Test Run Switch 5 11 Misoperation Alarm Indicators lt CZ RWSC1U gt 5 12 Separate Type Signal Receiving Unit Installation 5 13 Electrical Wiring 5 14 Test Run Switch 5 15 Misoperation Alarm Indicators 5 16 Basic Wiring Diagram 5 17 Wiring System Diagram for Group Control 5 18 Wiring System Diagram for Multiple Remote Controllers lt CZ RWSK1U gt 5 19 Test Run Procedure 5 20 Check Items Before the Test Run 5 21 Preparing for the Test Run 5 22 Precautions 5 23 When Setting Indoor Unit Control PCB Switch for Wall Mounted Indoor Unit 5 24 Diagnosis Table ab 58 M Name of PartS 58 MN Care and Cleaning9 59 M Troubleshooting 63 M Tips for Energy Saving 63 2011 11 02
50. et the TEST RUN switch of the dip switches to 5 13 Electrical Wiring CAUTION Be sure to do the wiring correctly incorrect wiring will damage the equipment Recommended wire diameter and allowable length for signal receiving unit wiring and its branch wiring AWG 18 MAX 1 300 ft Terminal board x for indoor unit 1 Signal receiving remote control ME unit vviring Wire from signal receiving unit Connection Signal receiving unit wiring field supply Wire joint 2 pcs Signal receiving i aie o unt wiring 1 Strip the insulation to approximately 9 16 from the ends of the wires that will be connected L 2 Twist together the 2 wires and create a crimp connection Signal receiving at the wire joint unit wiring Wire jointCE 1 3 If a special crimping tool is not used or if the connection is soldered insulate the vvires using insulation tape 5 14 Test Run Switch 1 Remove the cover plate of the signal receiving unit the ON position 2 Press the ON OFF operation button on the wireless remote controller CAUTION O avoid placing an excessive load on the equipment use this function only when conducting the test run 3 Make a test run using the air conditioner in Fig 5 23 COOL or HEAT mode 4 During the test run the OPER TIMER and STDBY LED all blink To protect the air conditioner from overloadi
51. ge 1 With ring type wire terminal 2 Wire joint connection Outdoor unit INV unit Power supply 208 230 V 60Hz 1 PH Grounding line De asl Wire joint connection Remote Disconnect switch Controller BLK Inter unit power line Indoor 208 230 V 60 Hz 1 PH unit Field supply Outdoor unit INV unit A Power supply a 208 230 V 60Hz 1 PH Grounding line Wire joint connection Disconnect switch may be needed by the National Loca CODE REQUIREMENTS 1 Refer to Section 4 2 Recommended Wire Length and Wire Diameter for Power Supply System for the gt explanation of A B and C in the above diagrams 2 Inter Unit Control Wiring A and remote control wiring B C have no polarity But for other wiring respect polarity Be sure to connect as shown in the Wiring System Diagram 3 In case of separate supply connection to indoor unit over current protection must be provided between power source and indoor unit MAXIMUM OVER CURRENT PROTECTION 15A FUSE OR HACR TYPE CIRCUIT BREAKER ALWAYS COMPLY WITH NATIONAL AND LOCAL U1 T1 F1 Types code 5P terminal board L1 L2 U1 U2 Power Unit supply control Famole Line control Li K1 Type y 5P terminal board 1112 U1 U2 Power Unit Remote supply control control Lin
52. h to support the weight of the unit Before hanging the ceiling unit test the strength of each attached suspension bolt 4 Screw in the suspension bolts allowing them to protrude from the ceiling as shown in Fig 3 41 The distance of each exposed bolt must be of equal length within 2 inches Fig 3 42 26 j Panasonic_PAC i_IndoorUnit_US le26 26 3 Front face Full scale diagram Fig 3 39 Hole in anchor Hole in plug Concrete Insert aaa a KA Suspension bolt M10 or 3 8 field supply Fig 3 40 Ceiling tiles Ceiling support Ceiling surface Fixture Fig 3 42 2011 11 02 5 Before suspending the indoor unit remove the 2 screvvs on the latch of the air intake grilles open the grilles and remove them by pushing the clavvs of the hinges as shown in Fig 3 43 Then remove both side panels sliding them along the unit tovvard the front after removing the tvvo screvvs vvhich fix them Fig 3 44 6 Preparation for suspending the indoor unit The suspension method varies depending on whether the unit is next to the ceiling or not Figs 3 45 and 3 46 Pull out the air Intake grille pushing claws of the hinges m m T ld au Slide tovvard front side Side panel Fig 3 44 Suspension bolt field supply Ceiling surface Washer supplied Double nut Fixture field supply Fig 3 45 Suspension bolt
53. i tion and remount the tube cover To mount the tube cover JN EII ses 8 men ap ping screws Do not use long screws as they may puncture Fig 3 12 the drain pan and cause water leakage Siphon 16 i Panasonic PAC i IndoorUnit US le16 16 i 2011 11 02 o M Ceiling Panel Never touch or attempt to move the air direction louver by hand or you may dam age the unit nstead use the remote controller if you vvant to change the direction or air flovv 3 6 Before Installing the Ceiling Panel 1 Remove the air intake grille and air filter from the ceiling panel Figs 3 13 and 3 14 a Remove the 2 screws on the latch of the air intake grille Fig 3 13 b Press on the 2 latches of the air intake grille with your thumbs in the direction of the arrow to open the grille Fig 3 13 c With the air intake grille open about 45 remove the safety cord hook on the grille side Fig 3 14 d Pull the air intake grille towards you to remove it from the ceiling panel 2 Pull down the two panel catches on the body of the indoor unit body Fig 3 15 Ceiling panel Panel catch Electrical component box Electrical component box Clamp Ceiling panel wiring connector i Panasonic PAC i IndoorUnit US 1le17 17 7 77 777777 27777 777 777777 77777777 Y 72777 77777777 27 LLL MLL 7 7 77 1777777
54. ing 1 Prepare standard hard PVC pipe for the drain and use the supplied drain hose and hose band to pre vent water leaks The PVC pipe must be purchased separately The transparent part allows you to check drainage Fig 3 6 Tighten the hose clamps so A N CAUTION 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 Ensure the drain pipe has a downward gradient 1 100 or more and that there are no water traps A N CAUTION 6 Do not install an air bleeder tube as this may cause vvater to spray from the drain tube outlet Fig 3 8 If it is necessary to increase the height of the drain pipe the section directly after the connec tion port can be raised a maximum of 19 1 2 Do not raise it any higher than 19 1 2 as this could result in water leaks Fig 3 9 6 Do not install the pipe with an upward gradient from the connection port This will cause drain water to flow backwards and leak when the unit is stopped Fig 3 10 6 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 6 Provide insulation for any drain pipe that is run indoors Refer to M SUPPLEMENT ON DRAIN PIPING 15 i P
55. ition Fig 5 1 How to Install Batteries See Fig 5 2 1 Press and slide the lid on the back of the remote controller in the direction of the arrow 2 Install two AAA alkaline batteries Make sure the batteries point in the direction marked in the battery compartment 3 Press the reset hole then replace the lid If you press it the current time ON time and OFF time are all reset to 0 00 Cover Fig 5 2 40 j Panasonic_PAC i_IndoorUnit_US le40 40 3 2011 11 02 ag 5 2 Room Temperature Sensor Setting The room temperature sensors are built into the indoor unit and the wireless remote controller Either of these room temperature sensors can operate The system is shipped from the factory set to the indoor unit sensor To switch to the remote control sensor press the sensor switching button located inside the remote control cover and check that A C SENSOR on the LCD display panel goes out If the sensor switch is set to the remote controller side but no room temperature data is sent to the main unit for 10 minutes the sensor is automatically svvitched to CANCEL the indoor unit side As much as possible install the remote controller facing the unit RESET C Sensor button Fig 5 3 5 3 Address Switches If you are installing more than 1 indoor unit up to 6 in the same room it is necessary for you to assign each unit it
56. lled condensation will not damage furniture or floors Fig 3 38 Foamed polyethylene or its equivalent is recommended Do not supply power to the unit WARNING or operate it until all tubing and wiring to the outdoor unit are completed 25 i Panasonic PAC i IndoorUnit US le28 25 i Cover Refrigerant tubing 1 Inter unit wiring lt __ Insulating tape Fig 3 35 Refrigerant tubing Inter unit wiring Indoor it hose Fig 3 37 Condensation 1 nsulation material field supply oo must be used Fig 3 38 2011 11 02 M Ceiling Type T1 Type 3 19 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 39 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 dimensions 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 40 or b Use existing ceiling supports or construct a suitable support as shown in Fig 3 41 It is important that you use extreme care in supporting the indoor unit from the ceiling Ensure that the ceiling is sufficiently strong enoug
57. low Fig 3 2 and Table 3 1 to make the holes in the ceiling Table 3 1 Unit inch mm 22 9 32 566 33 11 16 856 32 9 32 820 43 11 16 1 110 S 26PU1U6 CZ 24KPU1U S 36PU1U6 S 42PU1U6 CZ 36KPU1U 3 Determine the pitch of the suspension bolts using the supplied full scale installation diagram The diagram and table Fig 3 3 and Table 3 2 show the relationship between the positions of the suspen sion fitting the unit and the panel Refrigerant tubing joint gas tube side Hole in anchor Hole in plug Concrete Insert NL err A E KA Suspension bolt M10 or 3 8 field supply Fig 3 1 b A Ceiling opening Suspension bolt pitch Drain hose side a Grille center 1 32 9 32 Ceiling opening 29 13 16 Suspension bolt pitch Refrigerant tubing side Unit inch Fig 3 2 Drain connection other side VP25 Refrigerant tubing joint liquid tube side Table 2 m 6 6 mun CZ 24KPU1U 157 182 10 9 32 Unit inch Fig 3 3 Unit inch uu 12 2 308 261 S 36PU1U6 S 42PU1U6 6 3 16 7 5 32 11 15 32 13 1 16 CZ 36KPU1U 157 182 291 338 13 j Panasonic_PAC i_IndoorUnit_US le13 13 b J 2011 11 02 15 17 13 3 3 Placing the Unit Inside the Ceiling 1 VVhen placing the unit inside th
58. n button on the initial solange wireless remote controller 3 Make a test run using the air conditioner in COOL or HEAT mode 4 During the test run each of the 3 indicator lamps on the indoor unit flash 5 During the test run the air conditioner runs DIP switch Address Flap ON OFF continuously and the thermostat does not control switch button 77 the system Fig 5 11 6 After the test run be sure to reset D P svvitch No 1 back to the OFF position and check that no indicator lamps are blinking This receiver includes a 60 minute automatic OFF timer function in order to prevent continuous test run n case of 4 vvay Cassette type test run operation is not possible without the ceiling panel installation To protect the air conditioner from overloading the outdoor unit will not start running for 3 minutes after power is applied or the air conditioner is turned off and then back on When the air conditioner fails to start the test run 1 or more of the 3 alarm indicator lamps on the indoor unit will flash See next section When the DIP switch is set to TEST ON temperature control from the wireless remote controller is disabled Do not use this setting at any time other than for the test run Doing so will place an excessive load on the system To avoid placing an excessive load on the equipment use this function only when conducting the test run 44 j Panasonic_PAC i_I
59. nd fasten Fig 5 7 6 Connect the ceiling panel wiring connector 2P 3P to the body connector in the electrical component box 7 For details on test operation see Test Run 42 j Panasonic_PAC i_IndoorUnit_US le42 42 3 2011 11 02 15 1 j Panasonic_PAC i_IndoorUnit_US le43 43 E Ceiling Type T1 Type 5 7 Indicator Section Installation Remove the side panel to install the indicator section Fig 5 8 1 Remove the side panel Open the air intake grille remove the screw at one place and then remove the side panel by sliding it toward the front arrow direction 2 Remove cover A and cover B Insert a flathead screwdriver into the grooves of cover A to remove cover A and cover B When removing the cover take care not to scratch the panel 3 Remove cover B from cover A 4 Install the indicator section at cover A 5 After passing through the lead wires install cover A and the indicator section at the panel hole The protrusion part of cover A is fixed with the panel hole 6 Bundle the lead wires along with the wiring of the louver motor 7 Install the side panel 5 8 Operating Controller Installation Do not twist the operating controller wires together with the power supply wires Doing so can result in malfunction If electrical noise is induced in the unit povver suppiy take appropriate measures for example installing a noise filter
60. ndoorUnit_US le44 44 3 2011 11 02 15 1 1 5 11 Misoperation Alarm Indicators Alarm indicator lamps on the indoor unit indicate the error cause if the air conditioner fails to operate upon being switched on The possible alarm indications are given in Table 5 1 Fig 5 12 shovvs the location of the alarm lamps on the indoor unit See Table 5 1 and Fig 5 12 Table 5 1 STANDBY Cause of Trouble lamp S C errors between the indoor unit s controller PCB and the remote controller Compressor protector is working S C errors between indoor and outdoor units Indoor or outdoor thermistor is malfunctioning Outdoor unit protector is working Indoor unit protector is working TEST RUN switch on the operation controller is in ON state OPERATION TIMER STANDBY Remote control lamp lamp lamp receiver Fig 5 12 Stick the alarm message label accompanying the wireless remote controller on the electrical component box to indicate the cause of trouble for future reference 45 i Panasonic PAC i IndoorUnit US le45 45 i 2011 11 02 4 j Panasonic_PAC i_IndoorUnit_US le46 46 lt CZ RWSC1U gt CAUTION If the signal receiving unit is installed near a rapid start or inverter type fluorescent lamp neither one uses glow lamps it may be impossible to receive signals from the wireless remote controller To avoid signal interference from fluorescent lamps install the receiving unit at lea
61. ng the outdoor unit will not start running for approximately 3 minutes after power is applied or the air conditioner is turned off and then back on When the DIP switch is set to TEST ON temperature control from the wireless remote controller is disabled Do not use this setting at any time other than for the test run Doing so will place an excessive load on the system 5 After the test run press the ON OFF operation button on the wireless remote controller Then set the TEST RUN switch back to the OFF position to cancel the test run mode This receiver includes a 60 minute automatic OFF timer function in order to prevent continuous test run 48 i Panasonic PAC i IndoorUnit US le48 48 i 2011 11 02 4 Swing Wind Direction button 5 15 Misoperation Alarm Indicators A blinking lamp for other than the signal receiving unit Service filter shows that a problem has occurred in the unit so 1151 make an inspection Refer to servicing information in the service manual etc Also if vvired remote controller and dedicated service check lines CV6380230938 service use are available then detailed error information can be obtained by connecting to the service connector as shown in the drawing For information on how to connect to the signal receiving unit refer to the instruction manual that came with the dedicated service check lines Hn 8 Transmitter 9 Remote control s
62. nit_US le32 32 Fig 3 62 shows an example of installation 3 24 Installing the Drain Piping 1 Prepare standard hard PVC pipe for the drain and use the supplied hose band to prevent water leaks The PVC pipe must be purchased separately When doing this leave a gap between the drain socket of the unit and the PVC pipe to allow the drainage to be checked The transparent drain pipe allows you to check drainage Fig 3 63 CAUTION Tighten the hose clamps so their locking nuts face upward Fig 3 63 2 After connecting the drain piping securely wrap the supplied packing and drain pipe insulator around the pipe then secure it with the supplied clamps Fig 3 64 Make sure the drain pipe has a downward gradient 1 100 or more and that there are no water traps 32 Bolt anchor a a Suspension bolt Air intake grille Transparent part for Hose band checking drainage supplied Adhere with PVC adhesive 777 uzuk NURED RERRRREY ILIO Drain hose Hard PVC pipe Packing Drain hose adapter not supplied supplied supplied supplied Fig 3 63 Clamps supplied Drain insulator supplied Fig 3 64 2011 11 02 Ne 6 Do not install an air bleeder tube as this may cause vvater to spray from the drain pipe outlet Fig 3 65 If it is necessary to increase the height of th
63. nst horizontal Level gauge Make sure to confirm that the unit is in horizontal at the position of the ceiling mount hanger by x using a level gauge or vinyl tubing Prohibited Prohibited Fig 3 71 3 28 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 Min 1 0 ft or more space Fig 3 72 35 j Panasonic_PAC i_IndoorUnit_US le35 35 3 2011 11 02 MN SUPPLEMENT ON DRAIN PIPING Checkpoint after installation After installation of indoor and outdoor units panels and electrical wiring check the following items Checkpoint Symptom Check Remark Make sure whether indoor and outdoor units are Fall vibration noise correctly installed 2 Make sure whether gas leakage is tested No cooling no heating Make sure whether insulation is completed 3 aa VVater leakage Refrigerant piping and drain piping 4 Make sure whether drain water is running smoothly 1 VVater leakage Make sure vvhether the povver voltage matches the Inoperative burnout nameplate Make sure whether there is miswiring or incorrect Inoperative burnout connection Make sure whether the ground construction is completed Ground leakage
64. ombination wiring of indoor and outdoor units Set the indoor unit controller to TEST Item 5 21 3 NO Check using the Diagnosis Is operation function table Refer to 5 24 possible YES Note Check the indoor side drainage Return the indoor unit controller to NORM Item 5 21 3 5 20 Check Items Before the Test Run 1 Turn ON the remote power switch at least 12 hours before the test run in order to charge the crankcase heater 2 Fully open the service valves on the gas tube and liquid tube sides 3 Set the sliding switches on the inside of the wireless remote controller cover to the correct settings for that model After changing the settings press the RESET hole Verify that sliding svvitch 1 is in the S position m 1 Wireless remote controller transmitter SKN CJ Set sliding svvitch 2 to the correct setting for these models m 1 AHC AHC A Heat pump model H Heat pump no auto heating cooling C Cooling only model U Cy 2 Cd CANCE RESET hole SENSOR button Sliding switch 53 j Panasonic_PAC i_IndoorUnit_US le53 53 3 2011 11 02 j Panasonic_PAC i_IndoorUnit_US le54 54 3 2011 11 02 i 5 21 Preparing for the Test Run 5 21 1 Changing the room temperature sensor Room temperature sensors are installed inside the indoor unit and the wireless remote controller
65. opper wire for field wiring Wire size varies with the total length of wiring Refer to Section 4 ELECTRICAL WIRING for details CAUTION Check local electrical codes and regulations before obtaining wire Also check any specified instructions or limitations 1 4 Additional Materials Required for Installation gt 1 Refrigeration armored tape 2 Insulated staples or clamps for connecting wire See your local codes Putty Refrigeration tubing lubricant Clamps or saddles to secure refrigerant tubing o pm e pw Scale for weighing i Panasonic PAC i IndoorUnit US le7 7 2011 11 02 Table 1 1 4 VVay Cassette Part Name Full scale installation diagram Flare insulator VVasher Insulating tape Figure Q ty Part Name Figure Q ty 1 Drain hose adaptor 0 1 2 Sealing putty 1 8 VVired remote controller comes vvith 7 7 8 in vvire 7777 Wire joint 2 Packing Drain insulator Wood screw 2 Drain hose Table 1 2 Wall Mounted Part Name Figure Q ty Part Name Figure Q ty Full scale diagram l 1 Drain hose adaptor 0 1 Wall fixture Wireless remote controller Tapping screw Truss head Phillips 4 x 5 8 in VVireless remote controller mounting cradle lt Rawl plug Truss head tapping screw P G 4 x 5 8 in im 2 Cover SY 1 l Insulator 1 Battery 0 2 Table 1 3
66. ort as shown in Fig 3 59 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 on the previous page Fig 3 57 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 58 Cut the ceiling material if necessary 3 Thread the 2 hexagonal nuts and washers field supply onto the 4 suspension bolts as shown in Figs 3 60 and 3 61 Use 2 sets of nuts and wash ers upper and lower so that the unit will not fall off the suspension lugs 31 Nuts and washers j Panasonic_PAC i_IndoorUnit_US le31 31 3 Hole in anchor Hole in plug Concrete Insert ppe Suspension bolt 10 or 3 8 field supply Fig 3 58 Ceiling tiles Suspension bolt Suspension lug 2 sets Fig 3 60 Suspension bolt Hexagonal nut Fig 3 61 2011 11 02 j Panasonic_PAC i_IndoorU
67. over plate To use the signal receiving unit while mounted on the ceiling install by using the carrier for ceiling installation 1 Remove the cover plate by inserting a flathead screwdriver into the notch in the lower section and prying it off 2 Cut out a section 3 3 4 x2 1 32 on the ceiling using the paper pattern Supplied as a guide 3 Run the wire through the mounting carrier and insert into the installation hole as shown in Fig 5 20 4 Fit securely into the ceiling material at sections A and B as shown in Fig 5 21 5 Connect the wire 2 wire core from the signal receiving unit with the wire from the indoor unit See section on how to wire the receiving unit as shown in Fig 5 21 6 Use the supplied spacers to adjust for a thickness several inches more than the ceiling material and lightly fasten the receiving unit in place with the small screws M4x1 9 16 2 pcs supplied with the unit 7 Tighten the machine screws after fitting sections A and B into the openings in the gap between the signal receiving unit and ceiling surface as in Fig 5 22 Do not apply strong force when tightening the screws Excessive force might warp or damage the cover When finished the signal receiving unit should still be able to move slightly when pressed as shown in Fig 5 22 8 Reinstall the cover plate 47 j Panasonic_PAC i_IndoorUnit_US le47 47 3 2011 11 02 aie S
68. ow CFM The characteristic curves for HT H M and L fan speed control are shown Pa The nameplate values are shown based on the 150 H air flow For the 26 type the air flow is 636 CFM while the external static pressure is 49 Pa 3 at H position If external static pressure is too D x ino great due to long extension of duct for example 2 the air flow volume may drop too low at each air 2 outlet g E This problem may be solved by increasing the fan x di 50 speed as explained above Refer to E SUPPLEMENT ON DRAIN PIPING 300 500 700 900 500 Air Flow CFM Air Flow CFM NOTE HT Using the booster cable At shipment Fig 3 70 34 j Panasonic_PAC i_IndoorUnit_US le34 34 3 2011 11 02 3 27 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 agai
69. r in a location exposed to direct sunlight or near a stove or similar appliance 5 21 3 Test run For S 26PK1U6 Controller Using the controller 1 Slide the main unit controller switch from ON to TEST The outdoor unit vvill not operate for approximately 3 minutes after the povver is turned ON or after operation is stopped 2 All indicator lamps on the display blink while test run is in progress 3 Temperature control is not possible during the test run 4 If normal operation is not possible the lamps on the display will indicate the problem Refer to 5 24 Diagnosis Table 5 After the test run is completed move the controller switch from TEST to ON and verify that the indicator lamps stop blinking A 60 minute automatic OFF timer function is included in order to prevent continuous test run CAUTION Do not use this setting at any time other than for the test run Doing so will place an excessive load on the system Test run is not possible if the power was turned ON when the controller switch was in the TEST position Leave the power ON and move the switch to OFF then move the switch back to TEST 54 5 22 Precautions j Panasonic_PAC i_IndoorUnit_US le55 55 3 2011 11 02 Request that the customer be present at the time the test run is performed Explain the Operating Instructions to the customer and then have the customer a
70. s own address so they each can be operated by their remote controller Up to 6 indoor units can be controlled separately through the address switches The operating control has the reception address switch and the remote controller has the transmission address switch This function is utilized by matching the transmission and reception address switches Remote control m address display L Address svvitch Any address positions switch position a ae E b available 5 4 Setting the Model Code Flap display selector switch Make the slide switch settings in the battery compartment box of the remote controller depending on the type of indoor unit in which the wireless receiving unit is used Operation mode switch In this Single Split System Air Conditioner set the switch to A The switch is factory set to S A Always press the reset button after switching the setting 2 Operation mode switch U1 T1 types Flap displ l D 77 Heat pump with 1 Heat pump without Cooling only Auto mode Auto mode Fig 5 4 41 j Panasonic_PAC i_IndoorUnit_US le41 41 3 2011 11 02 15 1 1 gt 6 if electrical noise is induced lt CZ RWSU1U gt M 4 Way Cassette Type U1 Type 5 5 Indicator Section Installation SS Air intake grille Remove the ceiling panel and indicator cover and LAK indicator section install the indicator section S
71. s air conditioner with the wireless remote controller it may sometimes be impossible to change the operation modes while other indoor unit is running When this happens a double beep tone sounds the operation lamp lights up and the Timer lamp and g Standby lamp blink alternately Operation is the same even during AUTO mode automatic cooling or heating A beep tone sounds 5 times and no changes can be made when any of the ON OFF MODE Temperature setting buttons were pressed while set under central control by the system controller 5 1 Wireless Remote Controller Installation The remote controller can be operated from either a non fixed position or a wall mounted position To ensure that the air conditioner operates correctly do not install the remote controller in the following places In direct sunlight Behind a curtain or other place where it is covered More than 26 ft away from the air conditioner in the path of the air conditioner s airstream Where it may become extremely hot or cold Where it may be subject to electrical or magnetic interference 1 If Wall mounted Fixed Position Fasten the remote control Fitting the remote Install the remote controller at a convenient mount with screws control in the mount location on a nearby wall However before attaching the remote controller mounting cradle check that the remote controller can operate from the desired wall pos
72. st 6 6 ft away from the lamps and install at a location where wireless remote controller signals can be received when the fluorescent lamps are on 5 12 Separate Type Signal Receiving Unit Installation CAUTION Do not twist the operating controller wires together with the power supply wires Doing so can result in malfunction If electrical noise is induced in the unit power supply take appropriate measures for example installing a noise filter If local electrical codes allow this signal receving unit can be mounted using a conventional wall box for flush mounting 1 If Wall mounted Fixed Position Install the remote controller at a convenient location on a nearby wall However before attaching the remote controller mounting cradle check that the remote controller can operate from the desired wall position Fig 5 14 How to Install Batteries See Fig 5 15 1 Press and slide the lid on the back of the remote controller in the direction of the arrow 2 Install two AAA alkaline batteries Make sure the batteries point in the direction marked in the battery compartment 3 Press the reset hole then replace the lid If you press it the current time ON time and OFF time are all reset to 0 00 M4 x L1 2 T Switch box no cover Cover plate Fig 5 13 Fasten the remote control Fitting the remote mount with screws control in the mount
73. step exactly as shown 6 Observe all local state and national electrical codes 6 Pay close attention to all warning and caution notices given in this manual JN 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 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 In Case of Improper Installation The manufacturer shall in no way be responsible for improper installation or maintenance service including fail ure to follow the instructions in this document 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 Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked Highly dangerous electrical voltages are used in this system Carefully refer to the wiring diagram and these instructions when wiring Improper connections and inad equate grounding can cause accidental injury or death Ground the unit following local electrical codes Connect all wiring tightly Loose wiring may
74. sub signal receiving unit change its remote control address connector RCU ADR located on its PCB from main to sub position main when shipped from factory j Panasonic_PAC i_IndoorUnit_US le51 51 3 2011 11 02 P 5 18 Wiring System Diagram for Multiple Remote Controllers When installing multiple remote controllers This multiple system is used for operating the unit s at different positions A maximum of 2 signal receiving units can be installed Setting method To execute this control make the setting according to the follovving procedure 1 Of the two installed signal receiving units make one the main signal receiving unit factory shipped state 2 On the other signal receiving unit change the address connector on the PCB from main to sub position In this state it functions as a sub signal receiving unit Basic wiring diagram CAUTION Carry out the wiring correctly incorrect wiring will damage the equipment Signal receiving unit main Sub FEL To operate 1 indoor unit with 2 signal receiving units 0 8 mugu 7 set at different locations Remote control NI R Connection wiring cable terminal board Earth 52 i Panasonic PAC i IndoorUnit US le52 52 i 2011 11 02 lt CZ RWSK1U gt 5 19 Test Run Procedure Wall mounted Type K1 Type Check the Check Items Before the Test Run Item 5 20 Verify the c
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76. units by users Engage authorized dealer or specialist for cleaning In case of malfunction of this appliance do not repair by yourself Contact to the sales dealer or service dealer for a repair NOTICE Do not touch the air inlet or the sharp aluminum fins of the outdoor unit You may get injured Ventilate any enclosed areas when installing or testing the refrigeration system Escaped refrigerant gas on contact with fire or heat can produce dangerously toxic gas Confirm after installation that no refrigerant gas is leaking If the gas comes in contact with a burning stove gas water heater electric room heater or other heat source it can cause the generation of poisonous gas S A Others A N CAUTION Do not touch the air inlet or the sharp aluminum fins of the outdoor unit You may get injured Do not sit or step on the unit you may fall down accidentally Do not stick any object into the FAN CASE You may be injured and the unit may be damaged SS e This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provi
77. ype Water drain Ceiling panel optional Air outlet 4 locations Air intake grille air intake Low Silhouette Ducted type F1 type Flexible duct optional Water drain Canvas duct optional Air intake grille air intake Air outlet grille optional Ceiling type T1 type Air outlet VVater drain Drain pipe can be connected to either the left or right side Air intake grille air intake VVall Mounted type K1 type Air intake Air outlet 58 Panasonic IndoorUnit US le58 58 7 2011 11 02 M Care and Cleaning 1 For safety be sure to turn the air conditioner off and also to disconnect WARNING the power before cleaning 2 Do not pour water on the indoor unit to clean it This will damage the internal components and cause an electric shock hazard 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 5 not vvipe plastic parts using very hot vvater 2 Some metal edges and the fins are sharp and m

Panasonic 26PEF1U6 Installation Manual

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