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Panasonic CZ-24KPU1U Series Installation Instructions Manual

Single split system air conditioner
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INSTALLATION INSTRUCTIONS
Single Split System Air Conditioner
This air conditioner uses the refrigerant R410A.
External diameter of service port R410A: 5/16"
NOTE
Model No.
Indoor Units
Type
Indoor Unit Type
U1
4-Way Cassette
K1
Wall Mounted
T1
Ceiling
F1
Low Silhouette Duct
Remote Controllers
Timer Remote Controller (wired)
Wireless Remote Controller
85464369532012
Panasonic̲PAC-i̲IndoorUnit̲US-le1   1
Panasonic̲PAC-i̲IndoorUnit̲US-le1   1
26
36
S-26PU1U6
S-36PU1U6
(CZ-24KPU1U)**
(CZ-36KPU1U)**
S-26PK1U6
S-26PT1U6
S-36PT1U6
S-26PF1U6
S-36PF1U6
CZ-RTC2
CZ-RWSU1U
CZ-RWSC1U
CZ-RWSK1U
42
S-42PU1U6
with Wired Remote Controller: CZ-RTC2
(CZ-36KPU1U)**
with Wireless Remote Controller: CZ-RWSK1U
S-42PT1U6
with Wired Remote Controller: CZ-RTC2
with Wired Remote Controller: CZ-RTC2
Timer Remote Controller comes with Instructions Manual.
for U1 and T1 type Indoor units
for F1 type Indoor units
for K1 type Indoor units
Units should be installed by licensed contractor according to
local code requirements.
Remarks
** Panel (optional parts)
CV6233186962
2011/11/02   15:17:08
2011/11/02   15:17:08

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  • Page 1 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. CV6233186962 85464369532012 Panasonic̲PAC-i̲IndoorUnit̲US-le1   1 Panasonic̲PAC-i̲IndoorUnit̲US-le1   1 2011/11/02   15:17:08 2011/11/02   15:17:08...

  • Page 2: Important

    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. Panasonic̲PAC-i̲IndoorUnit̲US-le2   2 Panasonic̲PAC-i̲IndoorUnit̲US-le2   2 2011/11/02   15:17:09 2011/11/02   15:17:09...

  • Page 3: Check Of Density Limit

    (or more recently revised) Most importantly, the multi air conditioner system is able ASHRAE 15 to replenish a large amount of refrigerant compared to ASHRAE 34 conventional individual air conditioners. If a single unit of Panasonic̲PAC-i̲IndoorUnit̲US-le3   3 Panasonic̲PAC-i̲IndoorUnit̲US-le3   3 2011/11/02   15:17:09 2011/11/02   15:17:09...

  • Page 4: Precautions For Installation Using New Refrigerant

    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. Panasonic̲PAC-i̲IndoorUnit̲US-le4   4 Panasonic̲PAC-i̲IndoorUnit̲US-le4   4 2011/11/02   15:17:09 2011/11/02   15:17:09...
  • Page 5 Liquid air conditioning unit. Single valve Charge liquid refrigerant with cylinder in up-side-down position. Fig. 1 Valve Liquid Single valve (with siphon tube) Charge with cylinder in normal position. Fig. 2 Panasonic̲PAC-i̲IndoorUnit̲US-le5   5 Panasonic̲PAC-i̲IndoorUnit̲US-le5   5 2011/11/02   15:17:10 2011/11/02   15:17:10...

  • Page 6: Table Of Contents

    Tips for Energy Saving......63 3-27. When Installing the Indoor Unit 3-28. Required Minimum Space for Installation and Service ■ SUPPLEMENT ON DRAIN PIPING ......36 Panasonic̲PAC-i̲IndoorUnit̲US-le6   6 Panasonic̲PAC-i̲IndoorUnit̲US-le6   6 2011/11/02   15:17:10 2011/11/02   15:17:10...

  • Page 7: General

    4-Way Cassette (See your local codes.) Wall Mounted 3. Putty Ceiling 4. Refrigeration tubing lubricant Low Silhouette Ducted 5. Clamps or saddles to secure refrigerant tubing Wireless Remote Controller Timer Wired Remote Controller 6. Scale for weighing Panasonic̲PAC-i̲IndoorUnit̲US-le7   7 Panasonic̲PAC-i̲IndoorUnit̲US-le7   7 2011/11/02   15:17:10 2011/11/02   15:17:10...
  • Page 8 Full-scale installation diagram Insulating tape Special washer Vinyl clamp Sealing putty Drain insulator Drain hose Wired remote controller Flare insulator 1 Set (comes with 7-7/8 in. wire) Drain hose adaptor Wood screw Drain hose clamp Wire joint Panasonic̲PAC-i̲IndoorUnit̲US-le8   8 Panasonic̲PAC-i̲IndoorUnit̲US-le8   8 2011/11/02   15:17:10 2011/11/02   15:17:10...
  • Page 9 Wireless remote controller Vinyl clamps mounting cradle L 5-29/32 Batteries Wire joints <CZ-RWSK1U> Part Name Figure ‘Q’ty Part Name Figure ‘Q’ty Truss-head tapping screws Wireless remote controller 4 × 5/8 in. Wireless remote controller Batteries mounting cradle Panasonic̲PAC-i̲IndoorUnit̲US-le9   9 Panasonic̲PAC-i̲IndoorUnit̲US-le9   9 2011/11/02   15:17:11 2011/11/02   15:17:11...
  • Page 10 Table 1-6 (Accessories for the Timer Wired Remote Controller) Part Name Figure ‘Q’ty Part Name Figure ‘Q’ty Timer Wired Remote Controller Wood screws Connecting wiring Spacers length 4 ft. Machine screws Clamps M4 × 1 in. Panasonic̲PAC-i̲IndoorUnit̲US-le10   10 Panasonic̲PAC-i̲IndoorUnit̲US-le10   10 2011/11/02   15:17:12 2011/11/02   15:17:12...
  • Page 11 Pay special attention to any CAUTION location, such as a basement or recessed area, etc. where leaked refrigerant can collect, since refrigerant gas is heavi- er than air. Panasonic̲PAC-i̲IndoorUnit̲US-le11   11 Panasonic̲PAC-i̲IndoorUnit̲US-le11   11 2011/11/02   15:17:12 2011/11/02   15:17:12...

  • Page 12: Selecting The Installation Site

    6 inch unit. Min. Min. 6 inch 12 inch NOTE Air delivery will be degraded if the distance from the floor to the ceiling is greater than 10 ft. Panasonic̲PAC-i̲IndoorUnit̲US-le12   12 Panasonic̲PAC-i̲IndoorUnit̲US-le12   12 2011/11/02   15:17:12 2011/11/02   15:17:12...

  • Page 13: How To Install The Indoor Unit

    Unit: inch Fig. 3-3 Table 3-2 Unit: inch (mm) Length Type S-26PU1U6 6-3/16 7-5/32 10-9/32 12-1/8 4-7/8 (CZ-24KPU1U) (157) (182) (261) (308) (124) S-36PU1U6, S-42PU1U6 6-3/16 7-5/32 11-15/32 13-1/16 4-7/8 (CZ-36KPU1U) (157) (182) (291) (338) (124) Panasonic̲PAC-i̲IndoorUnit̲US-le13   13 Panasonic̲PAC-i̲IndoorUnit̲US-le13   13 2011/11/02   15:17:13 2011/11/02   15:17:13...

  • Page 14: Placing The Unit Inside The Ceiling

    1-7/8" (4) Remove the protective cardboard used to protect the fan parts during transport. Fig. 3-5 (5) Adjust the distance between the unit and surface of the ceiling. (1-7/8") (Fig. 3-4) Panasonic̲PAC-i̲IndoorUnit̲US-le14   14 Panasonic̲PAC-i̲IndoorUnit̲US-le14   14 2011/11/02   15:17:14 2011/11/02   15:17:14...

  • Page 15: Installing The Drain Piping

    Fig. 3-10 frame, or other support as close to the unit as possible. (Fig. 3-11) ● Provide insulation for any drain pipe that is run indoors. Support pieces Refer to “ SUPPLEMENT ON DRAIN PIPING”. Fig. 3-11 Panasonic̲PAC-i̲IndoorUnit̲US-le15   15 Panasonic̲PAC-i̲IndoorUnit̲US-le15   15 2011/11/02   15:17:15 2011/11/02   15:17:15...

  • Page 16: Checking The Drainage

    ) and remount the tube cover. Siphon To mount the tube cover, WARNING use 5/16" (4 × 8 mm) tap- ping screws. Do not use long Fig. 3-12 screws as they may puncture the drain pan and cause water leakage. Panasonic̲PAC-i̲IndoorUnit̲US-le16   16 Panasonic̲PAC-i̲IndoorUnit̲US-le16   16 2011/11/02   15:17:16 2011/11/02   15:17:16...

  • Page 17: Before Installing The Ceiling Panel

    Fig. 3-14 Unit body Ceiling panel Panel catch Panel catch Electrical (arrange facing downwards) component box (2 locations) Electrical component box Clamp Ceiling panel wiring connector Screws M5 with washer (supplied) Air filter Air-intake grille Fig. 3-15 Panasonic̲PAC-i̲IndoorUnit̲US-le17   17 Panasonic̲PAC-i̲IndoorUnit̲US-le17   17 2011/11/02   15:17:16 2011/11/02   15:17:16...

  • Page 18: Installing The Ceiling Panel

    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. Panasonic̲PAC-i̲IndoorUnit̲US-le18   18 Panasonic̲PAC-i̲IndoorUnit̲US-le18   18 2011/11/02   15:17:17 2011/11/02   15:17:17...

  • Page 19: Duct For Fresh Air

    Install the indoor unit to the ceiling. (Install the indoor unit according to instructions enclosed with the outdoor unit.) Indoor When installing in a pre- unit CAUTION existing location, install the indoor unit before installing the duct connection box. Fig. 3-17 Panasonic̲PAC-i̲IndoorUnit̲US-le19   19 Panasonic̲PAC-i̲IndoorUnit̲US-le19   19 2011/11/02   15:17:17 2011/11/02   15:17:17...
  • Page 20 Please fix the socket cover located on the switch box Ceiling panel after closing the lid for the switch box. Take adequate precautions when installing onto the CAUTION ceiling. The air-intake plenum is especially prone to rupture if struck on it's side. Fig. 3-18 Panasonic̲PAC-i̲IndoorUnit̲US-le20   20 Panasonic̲PAC-i̲IndoorUnit̲US-le20   20 2011/11/02   15:17:17 2011/11/02   15:17:17...

  • Page 21: Wall Mounted Type (K1 Type)

    (Fig. 3-23) INSIDE OUTSIDE (6) Place the plastic cover over the end of the pipe Wall (for indoor side only) and insert in the wall. Plastic cover PVC pipe (Field supply) (Fig. 3-24) Slight angle Fig. 3-24 Panasonic̲PAC-i̲IndoorUnit̲US-le21   21 Panasonic̲PAC-i̲IndoorUnit̲US-le21   21 2011/11/02   15:17:18 2011/11/02   15:17:18...

  • Page 22: Installing The Rear Panel On The Wall

    3/16" b) If Block, Brick, Concrete or Similar Type Wall dia. hole Make 3/16" dia. holes in the wall. Insert rawl plugs for appropri- Rawl plug ate mounting screws. (Fig. 3-27) (Field supply) Fig. 3-27 Panasonic̲PAC-i̲IndoorUnit̲US-le22   22 Panasonic̲PAC-i̲IndoorUnit̲US-le22   22 2011/11/02   15:17:19 2011/11/02   15:17:19...

  • Page 23: Removing The Grille To Install The Indoor Unit

    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) Fig. 3-31 Panasonic̲PAC-i̲IndoorUnit̲US-le23   23 Panasonic̲PAC-i̲IndoorUnit̲US-le23   23 2011/11/02   15:17:20 2011/11/02   15:17:20...

  • Page 24: Wiring Instructions

    (Figs. 3-33a and 3-33b) Connection for Solenoid Clamping Vale Kit (for 3WAY) strap (2) Remove the cover plate. Power wiring (field supplied) Earth screw Remote control wiring and Inter-unit control Conduit wiring (field supplied) (field supplied) Fig. 3-33b Panasonic̲PAC-i̲IndoorUnit̲US-le24   24 Panasonic̲PAC-i̲IndoorUnit̲US-le24   24 2011/11/02   15:17:21 2011/11/02   15:17:21...

  • Page 25: Shaping The Tubing

    * Foamed polyethylene or its equivalent is Fig. 3-37 recommended. Do not supply power to the unit WARNING or operate it until all tubing and Condensation wiring to the outdoor unit are completed. Insulation material (field supply) must be used. Fig. 3-38 Panasonic̲PAC-i̲IndoorUnit̲US-le25   25 Panasonic̲PAC-i̲IndoorUnit̲US-le25   25 2011/11/02   15:17:22 2011/11/02   15:17:22...

  • Page 26: Ceiling Type (T1 Type)

    (4) Screw in the suspension bolts, allowing them to unit protrude from the ceiling as shown in Fig. 3-41. Ceiling The distance of each exposed bolt must be of surface equal length within 2 inches. (Fig. 3-42) Fixture Fig. 3-42 Panasonic̲PAC-i̲IndoorUnit̲US-le26   26 Panasonic̲PAC-i̲IndoorUnit̲US-le26   26 2011/11/02   15:17:23 2011/11/02   15:17:23...
  • Page 27 Side panel Fig. 3-44 Suspension bolt (field supply) unit Ceiling surface Washer (supplied) Double nut Fixture (field supply) Fig. 3-45 Suspension bolt (field supply) Washer (field supply) unit Washer (supplied) Double nut (field supply) Fig. 3-46 Panasonic̲PAC-i̲IndoorUnit̲US-le27   27 Panasonic̲PAC-i̲IndoorUnit̲US-le27   27 2011/11/02   15:17:24 2011/11/02   15:17:24...
  • Page 28 PVC pipe at a slight angle to fit. Insert the PVC pipe in the wall. (Fig. 3-51) Fig. 3-49 Indoor Outdoor side side Fig. 3-50 PVC pipe (field supply) INSIDE OUTSIDE Wall PVC pipe Slight angle Cut at slight angle Fig. 3-51 Panasonic̲PAC-i̲IndoorUnit̲US-le28   28 Panasonic̲PAC-i̲IndoorUnit̲US-le28   28 2011/11/02   15:17:25 2011/11/02   15:17:25...

  • Page 29: Duct For Fresh Air

    Not good specified instruction or Fig. 3-54 limitations. Drain pipe Adhere with clamp PVC adhesive. Hard PVC pipe (supplied) (not supplied) Indoor unit Drain hose Side adapter softened Packing Drain hose (supplied) (supplied) (supplied) Fig. 3-55 Panasonic̲PAC-i̲IndoorUnit̲US-le29   29 Panasonic̲PAC-i̲IndoorUnit̲US-le29   29 2011/11/02   15:17:26 2011/11/02   15:17:26...

  • Page 30: Required Minimum Space For Installation And Service

    12-7/32 31/32 8-9/32 31/32 1-7/32 1-7/32 6-7/8 3-17/32 M-ø1/8 (Hole) Inspection access (17-23/32 × 17-23/32) (Field supply) 1-3/8 1-9/16 (5-29/32) 2-3/4 5-1/8 (Suspension bolt pitch) 2-15/16 11-7/32 2-9/16 Inspection access panel Ceiling Unit: inch Fig. 3-57 Panasonic̲PAC-i̲IndoorUnit̲US-le30   30 Panasonic̲PAC-i̲IndoorUnit̲US-le30   30 2011/11/02   15:17:27 2011/11/02   15:17:27...

  • Page 31: Suspending The Indoor Unit

    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. Fig. 3-60 Suspension bolt Hexagonal nut Fig. 3-61 Panasonic̲PAC-i̲IndoorUnit̲US-le31   31 Panasonic̲PAC-i̲IndoorUnit̲US-le31   31 2011/11/02   15:17:27 2011/11/02   15:17:27...

  • Page 32: Installing The Drain Piping

    (Fig. 3-64) Drain insulator (supplied) NOTE Fig. 3-64 Make sure the drain pipe has a downward gradient (1/100 or more) and that there are no water traps. Panasonic̲PAC-i̲IndoorUnit̲US-le32   32 Panasonic̲PAC-i̲IndoorUnit̲US-le32   32 2011/11/02   15:17:28 2011/11/02   15:17:28...

  • Page 33: Checking The Drainage

    To mount the tube cover, use 5/16" CAUTION (4 × 8 mm) tapping screws. Do not use long screws as they may puncture the drain pan and cause water leak-age. Panasonic̲PAC-i̲IndoorUnit̲US-le33   33 Panasonic̲PAC-i̲IndoorUnit̲US-le33   33 2011/11/02   15:17:29 2011/11/02   15:17:29...

  • Page 34: Increasing The Fan Speed

    This problem may be solved by increasing the fan speed as explained above. Refer to “ SUPPLEMENT ON DRAIN PIPING”. 1000 Air Flow (CFM) Air Flow (CFM) HT : Using the booster cable NOTE H : At shipment Fig. 3-70 Panasonic̲PAC-i̲IndoorUnit̲US-le34   34 Panasonic̲PAC-i̲IndoorUnit̲US-le34   34 2011/11/02   15:17:30 2011/11/02   15:17:30...

  • Page 35: When Installing The Indoor Unit

    1.0 ft. or more space. Min. 1.0 ft. or more space Min. 1.0 ft. or more space Fig. 3-72 Panasonic̲PAC-i̲IndoorUnit̲US-le35   35 Panasonic̲PAC-i̲IndoorUnit̲US-le35   35 2011/11/02   15:17:30 2011/11/02   15:17:30...

  • Page 36: Supplement On Drain Piping

    Make sure whether the wire gauge is followed by the Inoperative, burnout recommended specifications. Make sure whether the air intake and air outlet of the No cooling, no heating indoor and outdoor units are sealed by obstacles. Panasonic̲PAC-i̲IndoorUnit̲US-le36   36 Panasonic̲PAC-i̲IndoorUnit̲US-le36   36 2011/11/02   15:17:31 2011/11/02   15:17:31...

  • Page 37: Electrical Wiring

    You must follow LOCAL ELECTRICAL CODES for wiring. Outdoor Unit Time delay fuse or Type circuit capacity U-26PE1U6 30 A U-36PE1U6 35 A U-42PE1U6 40 A Time delay fuse or Type circuit capacity U-26PS1U6 25 A U-36PS1U6 30 A U-42PS1U6 35 A Panasonic̲PAC-i̲IndoorUnit̲US-le37   37 Panasonic̲PAC-i̲IndoorUnit̲US-le37   37 2011/11/02   15:17:31 2011/11/02   15:17:31...

  • Page 38: Wiring System Diagram

    Power Unit Remote supply control control power source and indoor unit. Line Line MAXIMUM OVER CURRENT PROTECTION 15 A (FUSE OR HACR TYPE CIRCUIT BREAKER) Panasonic̲PAC-i̲OutdoorUnit̲US-l22   22 2011/07/08   9:46:23 Panasonic̲PAC-i̲OutdoorUnit̲US-l22   22 Panasonic̲PAC-i̲IndoorUnit̲US-le38   38 2011/07/11   21:19:05 2011/07/08   9:46:23 Panasonic̲PAC-i̲IndoorUnit̲US-le38   38 Panasonic̲PAC-i̲IndoorUnit̲US-le38   38 2011/11/02   15:17:31 2011/11/02   15:17:31...

  • Page 39: How To Connect Wiring To The Terminal

    (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) 7/08   9:46:23 Panasonic̲PAC-i̲IndoorUnit̲US-le39   39 Panasonic̲PAC-i̲IndoorUnit̲US-le39   39 2011/11/02   15:17:32 2011/11/02   15:17:32...

  • Page 40: How To Install The Wireless Remote Controller

    (3) Press the reset hole, then replace the lid. If you press it, the current time, ON time, and OFF time Reset hole are all reset to 0:00. Cover Fig. 5-2 Panasonic̲PAC-i̲IndoorUnit̲US-le40   40 Panasonic̲PAC-i̲IndoorUnit̲US-le40   40 2011/11/02   15:17:32 2011/11/02   15:17:32...

  • Page 41: Room Temperature Sensor Setting

    * Always press the reset button after switching the setting. Operation mode switch U1, T1 types K1 type F1 type Flap display Heat pump with Heat pump without Cooling only selector switch Auto mode Auto mode Fig. 5-4 Panasonic̲PAC-i̲IndoorUnit̲US-le41   41 Panasonic̲PAC-i̲IndoorUnit̲US-le41   41 2011/11/02   15:17:33 2011/11/02   15:17:33...

  • Page 42: Rwsu1U

    (5) Form the wires with vinyl clamps and fasten. (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.” Panasonic̲PAC-i̲IndoorUnit̲US-le42   42 Panasonic̲PAC-i̲IndoorUnit̲US-le42   42 2011/11/02   15:17:33 2011/11/02   15:17:33...

  • Page 43: Ceiling Type (T1 Type)

    (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. Operating controller Electrical component box Fig. 5-9 Panasonic̲PAC-i̲IndoorUnit̲US-le43   43 Panasonic̲PAC-i̲IndoorUnit̲US-le43   43 2011/11/02   15:17:34 2011/11/02   15:17:34...

  • Page 44: Electrical Wiring

    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. Panasonic̲PAC-i̲IndoorUnit̲US-le44   44 Panasonic̲PAC-i̲IndoorUnit̲US-le44   44 2011/11/02   15:17:34...

  • Page 45: Misoperation Alarm Indicators

    OPERATION TIMER STANDBY Remote control lamp lamp lamp receiver Fig. 5-12 NOTE Stick the alarm message label accompanying the wireless remote controller on the electrical component box to indicate the cause of trouble for future reference. Panasonic̲PAC-i̲IndoorUnit̲US-le45   45 Panasonic̲PAC-i̲IndoorUnit̲US-le45   45 2011/11/02   15:17:35 2011/11/02   15:17:35...

  • Page 46: Rwsc1U

    (3) Press the reset hole, then replace the lid. If you press it, the current time, ON time, and OFF time Reset hole are all reset to 0:00. Cover Fig. 5-15 Panasonic̲PAC-i̲IndoorUnit̲US-le46   46 Panasonic̲PAC-i̲IndoorUnit̲US-le46   46 2011/11/02   15:17:35 2011/11/02   15:17:35...
  • Page 47 Do not apply strong force when tightening the screws. Excessive force might warp or damage the cover. When fi nished, the signal receiving unit should still be able to move slightly when pressed as shown in Fig. 5-22. (8) Reinstall the cover plate. Panasonic̲PAC-i̲IndoorUnit̲US-le47   47 Panasonic̲PAC-i̲IndoorUnit̲US-le47   47 2011/11/02   15:17:35 2011/11/02   15:17:35...

  • Page 48: Electrical Wiring

    (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.) Panasonic̲PAC-i̲IndoorUnit̲US-le48   48 Panasonic̲PAC-i̲IndoorUnit̲US-le48   48 2011/11/02   15:17:36...

  • Page 49: Misoperation Alarm Indicators

    S.C. errors between indoor and outdoor units. Alternately Indoor unit protector is activated. Alternately Outdoor unit protector is activated. Compressor protector is activated. Concurrent Mis-setting of indoor unit. Concurrent Mis-setting of outdoor unit. * S.C.: Serial communications Panasonic̲PAC-i̲IndoorUnit̲US-le49   49 Panasonic̲PAC-i̲IndoorUnit̲US-le49   49 2011/11/02   15:17:37 2011/11/02   15:17:37...
  • Page 50 Address setting is automatically executed 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. Panasonic̲PAC-i̲IndoorUnit̲US-le50   50 Panasonic̲PAC-i̲IndoorUnit̲US-le50   50 2011/11/02   15:17:37 2011/11/02   15:17:37...
  • Page 51 Indoor unit No. 1 No. 2 No. 3 No. 8 U1 U2 U1 U2 U1 U2 U1 U2 U1 U2 U1 U2 U1 U2 U1 U2 Outdoor unit Outdoor unit Outdoor unit Outdoor unit : Ground (earth) Panasonic̲PAC-i̲IndoorUnit̲US-le51   51 Panasonic̲PAC-i̲IndoorUnit̲US-le51   51 2011/11/02   15:17:37 2011/11/02   15:17:37...

  • Page 52: Basic Wiring Diagram

    (incorrect wiring will damage the equipment). Signal receiving unit (main) (sub) (Option) To operate 1 indoor unit with 2 signal receiving units set at different locations. Connection wiring Remote control cable terminal board Indoor unit Earth Panasonic̲PAC-i̲IndoorUnit̲US-le52   52 Panasonic̲PAC-i̲IndoorUnit̲US-le52   52 2011/11/02   15:17:38 2011/11/02   15:17:38...

  • Page 53: Rwsk1U

    Set sliding switch 2 to the correct setting for these models. A H C A H C RESET hole SENSOR button A: Heat pump model (H: Heat pump, no auto heating/cooling) C: Cooling-only model Sliding switch Panasonic̲PAC-i̲IndoorUnit̲US-le53   53 Panasonic̲PAC-i̲IndoorUnit̲US-le53   53 2011/11/02   15:17:38 2011/11/02   15:17:38...

  • Page 54: Preparing For The Test Run

    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.” Panasonic̲PAC-i̲IndoorUnit̲US-le54   54 Panasonic̲PAC-i̲IndoorUnit̲US-le54   54 2011/11/02   15:17:38...

  • Page 55: Precautions

    (Be sure to turn OFF the power before performing this work.) Fuse <For K1 Type> 0.5A Fuse 2P connector (blue) 0.5A 2P connector (brown) SW103 TEST Varistor (black) Serial 1 connector (blue) VA002 Varistor (black) Serial 2 connector (brown) CHK (2P plug) Panasonic̲PAC-i̲IndoorUnit̲US-le55   55 Panasonic̲PAC-i̲IndoorUnit̲US-le55   55 2011/11/02   15:17:39 2011/11/02   15:17:39...

  • Page 56: When Setting Indoor Unit Control Pcb Switch For Wall Mounted Indoor Unit

    When using wireless remote controller as “sub”, set the wireless switch on the indoor unit control PCS to A. remote controller Nos. 1, 2 OFF, No. 3 ON. as “sub” When using wireless remote controller as “main” Nos. 1, 2, 3 all OFF Panasonic̲PAC-i̲IndoorUnit̲US-le56   56 Panasonic̲PAC-i̲IndoorUnit̲US-le56   56 2011/11/02   15:17:39 2011/11/02   15:17:39...
  • Page 57 Panasonic̲PAC-i̲IndoorUnit̲US-le57   57 Panasonic̲PAC-i̲IndoorUnit̲US-le57   57 2011/11/02   15:17:39 2011/11/02   15:17:39...

  • Page 58: Appenidx

    Air outlet grille (optional) Ceiling type (T1 type) Air outlet Water drain (Drain pipe can be connected to either the left or right side.) Air intake grille (air intake) Wall Mounted type (K1 type) Air intake Air outlet Panasonic̲PAC-i̲IndoorUnit̲US-le58   58 Panasonic̲PAC-i̲IndoorUnit̲US-le58   58 2011/11/02   15:17:39 2011/11/02   15:17:39...

  • Page 59: Care And Cleaning

    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. Panasonic̲PAC-i̲IndoorUnit̲US-le59   59 Panasonic̲PAC-i̲IndoorUnit̲US-le59   59 2011/11/02   15:17:40...
  • Page 60 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 Latch Safety chain Air intake grille Bolt screws Air filter Panasonic̲PAC-i̲IndoorUnit̲US-le60   60 Panasonic̲PAC-i̲IndoorUnit̲US-le60   60 2011/11/02   15:17:40 2011/11/02   15:17:40...
  • Page 61 2. The filter is disengaged by pushing the tab up gently. Hold the air filter by the tab at the bottom, and pull downward. Air intake grille Air filter When replacing the filter, make sure that the FRONT mark is facing you. Push it up until you hear it click back into position. Panasonic̲PAC-i̲IndoorUnit̲US-le61   61 Panasonic̲PAC-i̲IndoorUnit̲US-le61   61 2011/11/02   15:17:41 2011/11/02   15:17:41...
  • Page 62 Disconnect the power supply and also turn off the circuit breaker. • Clean the air filter and replace it in its original position. • Outdoor unit internal components must be checked and cleaned periodically. Contact your local dealer for this service. Panasonic̲PAC-i̲IndoorUnit̲US-le62   62 Panasonic̲PAC-i̲IndoorUnit̲US-le62   62 2011/11/02   15:17:41 2011/11/02   15:17:41...

  • Page 63: Troubleshooting

    Should the power fail while the unit is running NOTE 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. Panasonic̲PAC-i̲IndoorUnit̲US-le63   63 Panasonic̲PAC-i̲IndoorUnit̲US-le63   63 2011/11/02   15:17:41 2011/11/02   15:17:41...
  • Page 64 DC0811-21111 Printed in Japan Panasonic̲PAC-i̲IndoorUnit̲US-le1   1 Panasonic̲PAC-i̲IndoorUnit̲US-le1   1 2011/11/02   15:17:41 2011/11/02   15:17:41...

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