INSTALLATION INSTRUCTIONS Single Split System Air Conditioner This air conditioner uses the refrigerant R410A. NOTE External diameter of service port R410A: 5/16" Model No.
IMPORTANT! Please Read Before Starting This air conditioning system meets strict safety and operating standards. As the installer or service person, it is an important part of your job to install or service the system so it operates safely and efficiently. 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.
When Servicing CAUTION • Turn the power OFF at the main power box (mains) before opening the unit to check or repair electrical parts and wiring. • Keep your fingers and clothing away from any moving parts. • 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. WARNING NOTICE • Do not clean inside the indoor and outdoor units by users. Engage authorized dealer or specialist for cleaning.
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 Seamless 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).
3-2. Use R410A exclusive cylinder only. Configuration and characteristics of cylinders When charging with 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%.
CONTENTS Page IMPORTANT! ............................................................... 2 Please Read Before Starting Check of Density Limit Precautions for Installation Using New Refrigerant Page 4. ELECTRICAL WIRING............................................ 37 4-1. General Precautions on Wiring 4-2. Recommended Wire Length and Wire Diameter for Power Supply System 4-3. Wiring System Diagram 4-4. How to Connect Wiring to the Terminal 1. GENERAL .........................................................
1. GENERAL 1-3. Type of Copper Tube and Insulation Material 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. 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.
Table 1-1 4-Way Cassette Part Name Figure Q’ty Part Name Figure Q’ty Full-scale installation diagram 1 Drain hose adaptor 1 Flare insulator 2 Sealing putty 1 Washer 8 Wired remote controller (comes with 7-7/8 in.
Table1-4 Low Silhouette Ducted Part Name Figure Q’ty Part Name Figure Q’ty Flare insulator 2 Drain hose adaptor 1 Insulating tape 1 Special washer 8 Jumper cable* 1 Vinyl clamp 8 Hose band 2 1 Packing 1 Wired remote controller (comes with 7-7/8 in.
Part Name Figure ‘Q’ty Part Name Figure ‘Q’ty Separate type signal receiving unit (comes with 7-7/8 in. wire) 1 Small screws M4 × 1-9/16 in. 2 Carrier for ceiling installation 1 Wood screws 2 Wireless remote controller 1 Spacers 4 Wireless remote controller mounting cradle 1 Wire joints 4 Batteries 2 Clamp 1 Machine screws M4 × 1 in. 2 Ceiling installation paper pattern (3-3/4 × 2-1/32 in.
CAUTION 1. This unit requires no additional refrigerant 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. If multi type indoor units are installed in different rooms, temperature control may develop problems because thermostat operation must follow the thermostat condition of 1 indoor unit only (the main unit).
2. SELECTING THE INSTALLATION SITE Ceiling Type 2-1. Indoor Unit Ceiling AVOID: areas where leakage of flammable gas may be expected. Wall Min. 10 inch places where large amounts of oil mist exist. Min. 10 inch Front view direct sunlight. NOTE locations near inverter lamps which may affect the performance of the unit. The rear of the indoor unit can be installed flush against the wall. locations near heat sources which may affect the performance of the unit.
3. HOW TO INSTALL THE INDOOR UNIT ■ 4-Way Cassette Type (U1 Type) 3-1. Suspending the Indoor Unit Hole-in-anchor Hole-in-plug This unit uses a drain pump. Use a level gauge to check that the unit is level. Concrete Insert 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) 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. Full-scale installation diagram (printed on a cardboard packing) 1-7/8" (1) When placing the unit inside the ceiling, determine the pitch of the suspension bolts using the supplied full-scale installation diagram. (Fig.
3-4. Installing the Drain Piping Transparent part for checking drainage (1) Prepare standard hard PVC pipe for the drain and use the supplied drain hose and hose band to prevent water leaks. The PVC pipe must be purchased separately. The transparent part allows you to check drainage. (Fig. 3-6) CAUTION Packing (supplied) Tighten the hose clamps so their locking nuts face upward. (Fig. 3-6) Hose band (supplied) Drain hose adapter (supplied) Drain hose (supplied) Adhere with PVC adhesive.
3-5. Checking the Drainage After wiring and piping are completed, use the following procedure to check that the water will drain smoothly. For this, prepare a bucket and wiping cloth to catch and wipe up spilled water. WARNING Do not supply power to the unit until the tubing and wiring 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.
■ Ceiling Panel CAUTION Latch Screw Never touch or attempt to move the air direction louver by hand or you may damage the unit. Instead, use the remote controller if you want to change the direction or air flow. Air-intake grille 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) Ceiling panel (a) Remove the 2 screws on the latch of the airintake grille. (Fig. 3-13) Fig.
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. NOTE 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 properly aligned with the seamline of the ceiling.
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) CZ-26BCU1U CZ-42BCU1U ho /8 ø1 4- Type 2-3/8 Air-intake plenum le Air-intake plenum (including Duct connection box and flange) are attached to the indoor unit when used to take fresh outdoor air.
(d) Installing the ceiling panel Duct connection flange Attach the ceiling panel to the air-intake plenum. Drawing the panel downwards sets the panel in position temporarily with the panel catch (at 2 locations). Duct connection box Installation screws Remove the socket cover of the air-intake plenum and pass the 8P sockets through it. (Fix the panel lead wire to air-intake plenum side clamper.) (M4xL1/2”, 4pcs.
■ Wall Mounted Type (K1 Type) 3-10. Removing the Wall Fixture from the Unit Remove the set screws and take off the rear panel. (Fig. 3-19) NOTE Set screws for transportation only Fig. 3-19 Tubing can be extended in 3 directions as shown in Fig. 3-20. Select the direction that provides the shortest run to the outside unit. Right-rear tubing (recommended) Left-rear tubling 3-11. Selecting and Making a Hole (1) Remove the rear panel from the indoor unit and place it on the wall at the location selected.
3-12. Installing the Rear Panel on the Wall Be sure to confirm that the wall is strong enough to suspend the unit. See either Item a) or b) below depending on the wall type. a) If Wooden Wall (1) Attach the rear panel to the wall with the 10 screws provided. (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.
3-13. Removing the Grille to Install the Indoor Unit Grille Air-intake grille 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. Fig. 3-28a (2) Unscrew the 3 screws. (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.
3-15. 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 each unit. A power supply disconnect and circuit breaker for overcurrent protection should be provided in the exclusive line. (3) To prevent possible hazards from insulation failure, the unit must be grounded. (4) All wiring must be connected tightly.
Cover 3-17. Shaping the Tubing Refrigerant tubing (1) Shape the refrigerant tubing so that it can easily go into the hole. (Fig. 3-34) (2) Push the wiring, refrigerant tubing and drain hose through the hole in the wall. Adjust the indoor unit so it is securely seated on the wall fixture. Inter-unit wiring Drain hose (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.
■ Ceiling Type (T1 Type) Front face 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). Rear Full-scale diagram Fig. 3-39 NOTE Hole-in-anchor Hole-in-plug Since the diagram is made of paper, it may shrink or stretch slightly because of high temperature or humidity.
(5) Before suspending the indoor unit, remove the 2 screws on the latch of the air-intake grilles, open the grilles, and remove them by pushing the claws of the hinges as shown in Fig. 3-43. Then remove both side panels sliding them along the unit toward the front after removing the two screws which fix them. (Fig. 3-44) Pull out the air-Intake grille pushing claws of the hinges Screw Hinge Latch de Sli (6) Preparation for suspending the indoor unit.
Approx. 1 inch (7) Suspend the indoor unit as follows. (a) Mount a washer and two hexagonal nuts on each suspension bolt as shown in Fig. 3-47. Ceiling surface (b) Lift the indoor unit with a lifting machine to the ceiling surface, and place it on the washers through the notches, to fix it in place. (Fig. 3-48) Washer (supplied) Nut (field supply) Suspension bolt Fig. 3-47 (c) Tighten the two hexagonal nuts on each suspension bolt to suspend the indoor unit as shown in Fig. 3-49.
3-20. Duct for Fresh Air Duct connection port (Knock-out hole) 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.
3-22. Required Minimum Space for Installation and Service min. 9-27/32 Electrical component box Inspection access 17-23/32 × 17-23/32 Indoor Unit Refrigerant tubing min. 25-19/32 min. 15-3/4 This air conditioner is usually installed above the ceiling so that the indoor unit and ducts are not visible. Only the air intake and air outlet ports are visible from below. The minimum space for installation and service is shown in Fig. 3-56 and Table 3-4.
3-23. Suspending the Indoor Unit Hole-in-anchor Hole-in-plug Concrete Insert Depending on the ceiling type: • Insert suspension bolts as shown in Fig. 3-58 or • Use existing ceiling supports or construct a suitable support as shown in Fig. 3-59. Suspension bolt (M10 or 3/8") (field supply) WARNING 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.
Fig. 3-62 shows an example of installation. Bolt anchor Air outlet duct Suspension bolt Air-intake duct Air-outlet grille Ceiling material Indoor unit Air-intake grille Fig. 3-62 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.
Air bleeder CAUTION ● Do not install an air bleeder tube as this may cause water to spray from the drain pipe outlet. (Fig. 3-65) Not good ● If it is necessary to increase the height of the drain pipe, the section directly after the connection port can be raised a maximum of 19-11/16". Do not raise it any higher than 19-11/16", as this could result in water leaks. (Fig. 3-66) Fig. 3-65 11-13/16" or less ● Do not install the pipe with an upward gradient from the connection port.
3-26. Increasing the Fan Speed Electrical component box If external static pressure is too great (due to long extension of ducts, for example), the air flow volume may drop too low at each air outlet. This problem may be solved by increasing the fan speed using the following procedure: Booster cable Fan motor Booster cable Fan motor socket (At shipment) (Booster cable installed) Fig. 3-69 (1) Remove 4 screws on the electrical component box and remove the cover plate.
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.
■ SUPPLEMENT ON DRAIN PIPING Checkpoint after installation After installation of indoor and outdoor units, panels and electrical wiring, check the following items. Checkpoint 1 Symptom Make sure whether indoor and outdoor units are correctly installed. Remark Fall, vibration, noise 2 Make sure whether gas leakage is tested. 3 Check No cooling, no heating Make sure whether insulation is completed.
4. ELECTRICAL WIRING 4-1. General Precautions on Wiring (1) Before wiring, confirm the rated voltage of the unit as shown on its nameplate, then carry out the wiring closely following the wiring diagram. (2) Provide a power outlet to be used exclusively for each unit, and a power supply disconnect and circuit breaker for overcurrent protection should be provided in the exclusive line. (7) Regulations on wire diameters differ from locality to locality.
Indoor Unit Type Time delay fuse or circuit capacity U1, K1, T1, F1 15 A Control Wiring (A) Inter-Unit Control Wiring (B) Remote Control Wiring (C) Control Wiring For Group Control AWG #18 1 Use high voltage wire (300 V)* AWG #18*2 (0.75 mm2) AWG #18*2 - (0.75 mm2) Max. 3,300 ft. Max. 1,650 ft. Max. 650 - ft. (Total) AWG=American Wire Gauge *1 With ring-type wire terminal *2 Wire joint connection 4-3.
7/08 9:46:23 Stranded wire Strip 3/8" WARNING Loose wiring 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. When connecting each power wire to the corresponding terminal, follow the instructions on “How to connect wiring to the terminal” and fasten the wire securely with the fixing screw of the terminal plate. Ring pressure terminal Fig. 4-1 Special washer 4-4.
5. HOW TO INSTALL THE WIRELESS REMOTE CONTROLLER IMPORTANT When using this 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 (Standby lamp) blink alternately. Operation is the same even during (AUTO mode) automatic cooling or heating.
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.
■ 4-Way Cassette Type (U1 Type) Air intake grille 5-5. Indicator Section Installation Mark section (indicator section) Remove the ceiling panel and indicator cover and install the indicator section. (1) Remove the ceiling panel. (2) Remove the corner cover behind the mark section. (3 screws) (3) Remove the mark section inside the ceiling panel. (2 screws) (4) Install the indicator section in the location where the mark section was attached.
■ Ceiling Type (T1 Type) 5-7. Indicator Section Installation Remove the side panel to install the indicator section. (Fig. 5-8) Indicator section Indicator section Cover B (Not used when the indicator section is installed.) (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.
5-9. Electrical Wiring Signal receiving unit Indoor PCB 1 WL 2 Operating controller W2 CN2 (0.7 ft.) CN1 BLU W1 (4.3 ft.) YEL PNK WHT RED BLK GRY BLK W3 Indicator section (4.3 ft.) CN1 BLU YEL PNK RED GRY BLK Relay connector Fig. 5-10 Connection method (1) Connect W1 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.
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 shows the location of the alarm lamps on the indoor unit. (See Table 5-1 and Fig. 5-12.) Table 5-1 Alarm (OPERATION lamp) (TIMER lamp) Cause of Trouble (STANDBY lamp) S.C. errors* between the indoor unit’s controller (PCB) and the remote controller.
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 least 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.
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. Run the remote con cable through a notch in the upper case. (1) Insert a flathead screwdriver into the slot on the lower side of the signal receiving unit and pry off the back case.
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 for indoor unit remote control wiring 1 2 WHT 1 BLK 2 Signal receiving unit Wire from signal receiving unit Connection Signal receiving unit wiring (field supply) Wire joint (2 pcs.
5-15. Misoperation Alarm Indicators A blinking lamp for other than the signal receiving unit filter shows that a problem has occurred in the unit, so make an inspection. (Refer to servicing information in the service manual, etc.) Also, if wired 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.
5-16. Basic Wiring Diagram In case of using shielded wires for inter-unit control wiring, ground the shield on one side. (Fig. 5-26) Otherwise misoperation because of electrical noise may occur. Be sure to do the wiring correctly (incorrect wiring will damage the equipment). CAUTION Remote Controller Shielded wire 1 2 Ground Wire joint 1 2 Fig. 5-26 Indoor unit No.
5-17. Wiring 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. Wiring procedure Wire 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.
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 following procedure. (1) Of the two installed signal receiving units, make one the main signal receiving unit (factory-shipped state).
5-19. Test Run Procedure Wall mounted Type (K1 Type) Check the “Check Items Before the Test Run.” (Item 5-20) Verify the combination (wiring) of indoor and outdoor units. Set the indoor unit controller to “TEST.” Is operation possible? NO (Item 5-21-3) Check using the Diagnosis function table. (Refer to 5-24) Note: Check the indoor-side drainage. YES Return the indoor unit controller to “NORM.” (Item 5-21-3) 5-20.
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. Either room temperature sensor can be used. When “Unit Sensor” is indicated on the wireless remote controller’s 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.
5-22. Precautions 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 actually 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.
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. If 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 only. The slide switch setting at the time of factory shipment for model K1 type is “B.
Panasonic_PAC-i_IndoorUnit_US-le57 57 2011/11/02 15:17:39 Operating lamp Nothing is displayed P 0 9 displayed L 0 7 displayed L 0 2 displayed L 1 3 displayed P 0 5 displayed E 2 0 displayed E 1 6 displayed E 1 5 displayed E 0 6 displayed E 0 4 displayed E 1 4 displayed E 0 9 displayed Timer lamp and Standby lamp are blinking alternately. Both the Operation lamp and Standby lamp are blinking together. Operation lamp and Standby lamp are blinking alternately. Standby lamp is blinking.
6. APPENDIX ■ Name of Parts 4-Way Cassette type (U1 type) 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 outlet grille (optional) Ceiling type (T1 type) Air intake grille (air intake) (optional) Air outlet Water drain (Drain pipe can be connected to either the left or right side.
■ Care and Cleaning WARNING 1. For safety, be sure to turn the air conditioner off and also to disconnect 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 (Indoor unit) Clean the air intake and outlet side of the indoor unit with a vacuum cleaner brush, or wipe them with a clean, soft cloth.
■ Care and Cleaning (continued) How to remove the filter 4-Way Cassette type (U1) : 1. Use a screwdriver to remove the bolt screw on each side for the two latches. (Be sure to reattach the two bolt screws after cleaning.) 2. Press on the two latches of the air intake grille with your thumbs in the direction of the arrow to open the grille. 3. Open the air intake grille downward. CAUTION • When cleaning the air filter, never remove the safety chain.
■ Care and Cleaning (continued) How to remove the filter (continued) Ceiling type (T1) : 1. Take hold of the finger-hold on the air intake grille and press it to the rear, and the grille will open downward. 2. Take hold of the finger-hold on the air filter, pull it toward you. Air filter finger-hold Air intake grill Air intake grill finger-hold Hook de Sli Screw Air filter Screw Latch Air filter finger-hold * Take hold of the finger-hold on the air filter, pull it toward you.
CAUTION 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.
■ 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. Trouble Air conditioner does not run at all. Compressor runs but soon stops. Poor cooling (or heating) performance. Possible Cause 1. Power failure. 2. Leakage circuit breaker has tripped. 3. Line voltage is too low. 4. Operation button is turned off. 5.
DC0811-21111 Printed in Japan Panasonic_PAC-i_IndoorUnit_US-le1 1 2011/11/02 15:17:41
