Panasonic 26PEK1U6 User's Guide

85464849303001REFERENCE NO. SM830203-01TECHNICAL DATA&SERVICE MANUALModel No.Outdoor UnitsRemarksRemarks423626423626TypeTypeUSingleU-26PE1U6 U-36P

1-41. Specifications1-1 Unit Specifications4-Way Cassette TypeCooling:Rating conditions (*) : Room temperature 80 °F DB / 67 °F WB, Ambient temperatur

1-941. Specifications6-23. Suspending the Indoor UnitDepending on the ceiling type:• Insert suspension bolts as shown in Fig. 1-69 or• Use existing ce

1-951. Specifications Fig. 1-73 shows an example of installation.6-24. Installing the Drain Piping(1) Prepare standard hard PVC pipe for the drain a

1-961. SpecificationsCAUTIONDo not install an air bleeder tube as this may cause water to spray from the drain pipe outlet. (Fig. 1-76)If it is necess

1-971. Specifications6-26. Increasing the Fan SpeedIf external static pressure is too great (due to long extension of ducts, for example), the air flo

1-981. Specifications6-27. When Installing the Indoor UnitConfirm that the indoor unit should be installed in a horizontal position.Use the level gaug

1-991. SpecificationsSUPPLEMENT ON DRAIN PIPINGCheckpoint after installationAfter installation of indoor and outdoor units, panels and electrical wiri

1-1001. Specifications7. HOW TO INSTALL THE WIRELESS REMOTE CONTROLLERIMPORTANTWhen using this air conditioner with the wireless remote controller it

1-1011. Specifications7-2. Room Temperature Sensor SettingThe room temperature sensors are built into the indoor unit and the wireless remote controll

1-1021. Specifications<CZ-RWSU1U>4-Way Cassette Type (U1 Type)7-5. Indicator Section Installation Remove the ceiling panel and indicator cover a

1-1031. SpecificationsCeiling Type (T1 Type)7-7. Indicator Section InstallationRemove the side panel to install the indicator section.(Fig. 1-91)(1) R

1-51. Specifications1-1 Unit Specifications4-Way Cassette TypeCooling:Rating conditions (*) : Room temperature 80 °F DB / 67 °F WB, Ambient temperatur

1-1041. Specifications7-9. Electrical Wiring7-10-1. How to use the test run setting (U1, T1 Types)(1) Set DIP switch [DS] No. 1 on the wireless receiv

1-1051. Specifications7-11. Misoperation Alarm IndicatorsAlarm indicator lamps on the indoor unit indicate the error cause if the air conditioner fail

1-1061. Specifications<CZ-RWSC1U>CAUTION If the signal receiving unit is installed near a rapid-start or inverter type fluorescent lamp (neither

1-1071. SpecificationsWhen using the signal receiving unit on a wall withthe front exposed, choose a wall surface that thesignal receiving unit can be

1-1081. Specifications7-13. Electrical WiringCAUTIONBe sure to do the wiringcorrectly (incorrectwiring will damage theequipment). Recommended wire di

1-1091. Specifications7-15. Misoperation Alarm IndicatorsA blinking lamp for other than the signal receiving unitfi lter shows that a problem has occur

1-1101. Specifications7-16. Basic Wiring DiagramCAUTIONBe sure to do the wiringcorrectly (incorrect wiringwill damage the equipment). Wiring procedure

1-1111. Specifications7-17. Wiring System Diagram for Group ControlThis diagram shows when several units (maximum of8) are controlled by a signal rece

1-1121. Specifications7-18. Wiring System Diagram for Multiple Remote Controllers To operate 1 indoor unit with 2 signal receiving unitsset at differ

1-1131. Specifications<CZ-RWSK1U>7-19. Test Run Procedure Wall mounted Type (K1 Type)7-20. Check Items Before the Test Run(1) Turn ON the r

1-61. Specifications1-1 Unit Specifications4-Way Cassette TypeCooling:Rating conditions (*) : Room temperature 80 °F DB / 67 °F WB, Ambient temperatur

1-1141. Specifications7-21. Preparing for the Test Run7-21-1. Changing the room temperature sensor Room temperature sensors are installed inside the

1-1151. Specifications7-22. Precautions Request that the customer be present at the time the test run is performed. Explain the Operating Instruction

1-1161. Specifications7-23. When Setting Indoor Unit Control PCB Switch for Wall Mounted Indoor UnitWhen using both the wired and wireless remote cont

1-1171. Specifications7-24. Diagnosis TableWired remote CauseE 0 1E 0 2E 0 9E 1 4E 0 4E 0 6E 1 5E 1 6E 2 0P 0 5L 0 2P 0 9 displayedL 0 7 displayedInd

1-1181. Specifications1-13. HOW TO PROCESS TUBING8. HOW TO INSTALL THE TIMER WIRED REMOTE CONTROLLERThe liquid tubing side is connected by a flare nu

1-1191. SpecificationsCaution Before Connecting Tubes Tightly(1) Apply a sealing cap or water-proof tape to prevent dust or water fromentering the tub

1-1201. Specifications Do not use a spanner to tighten the valve stem caps.Doing so may damage the valves. Depending on the installation conditions, a

1-1211. Specifications4. Taping the Tubes(1) At this time, the refrigerant tubes (and electricalwiring if local codes permit) should be tapedtogether

1-1221. Specifications1-14. LEAK TEST, EVACUATION AND ADDITIONAL REFRIGERANT CHARGE Perform an air-tightness test for this package A/C.Check that

1-1231. Specifications(3) Pressurize the system up to 4.15 MPa(42 kgf/cm2G) with dry nitrogen gas and close thecylinder valve when the gauge reading r

1-71. Specifications1-1 Unit Specifications4-Way Cassette TypeCooling:Rating conditions (*) : Room temperature 80 °F DB / 67 °F WB, Ambient temperatur

1-1241. SpecificationsCAUTIONTo avoid gas from leakingwhen removing the chargehose, make sure the stemof the gas tube is turned allthe way out (“BACK

2-1 Room Temperature Control ... 2-22-2 Cold Draft Prevention (

2-22. Processes and functionsFig. 1(THERMO. OFF)(THERMO. ON)ROOM TEMP.THERMO. ON5 MINUTESMORE THAN5 MINUTES 3 MINUTESSET TEMPCOMPRESSOROUTDOOR FAN(

2-32. Processes and functionsFig. 2THERMO. ONTHERMO. ON+2°FFFOFFO21. Refer to 2-4 Outdoor Fan Speed ControlOFFSET SPEEDNONONOON (REVERSING CYCLE

2-42. Processes and functionsFig. 39288817750SETFANSPEEDAUTO OR HML LL LL/OFF LL L L LLL LL/OFF LL L M MLL LL/OFF LL L M HMAX. 6 MINUTES“STANDBY”I

2-52. Processes and functionsFig. 4INDOOR FANSPEEDLHMMH1923_M_SROOM TEMP.(deg)SET TEMP.+3+2+1HM: High: MiddleL: LowChart Explanations and notesWhen th

2-62. Processes and functions1241422-4 Control FunctionsElectronic control valve controlOpening of the electronic control valve is controlled sothat t

2-72. Processes and functions36(36, 48 types)Overcurrent protection control(1) If the overcurrent protection circuit detectsabnormal current, the comp

2-82. Processes and functions1•••••23Defrost controlDefrost sequenceHeating operation (25-minute mask)Frost detectionDefrost start (reverse cycle defr

2-92. Processes and functionsFan motor plug (CN004)EEPROM ICMDCHeat exchanger temperature (C2) sensorHeat exchanger temperature (C1) sensorSuction tem

1-81. Specifications1-1 Unit SpecificationsWall Mounted TypeCooling:Rating conditions (*) : Room temperature 80 °F DB / 67 °F WB, Ambient temperature

2-102. Processes and functionsPush-button switch (black): Automatic address setting switch• If the system address switch (S002: set to 0 at time of sh

2-112. Processes and functions3P plug (black): Terminal plug for the communications line• At the time of shipment from the factory, the short-circuiti

SM830203-01_PAC-i_US-letter.indb12 12SM830203-01_PAC-i_US-letter.indb12 12 2012/01/26 14:25:112012/01/26 14:25:11

3-1 3-2Indoor Units...3-2 Outdoor Unit

3-23. Electrical data3-1 Indoor Units4-Way Cassette Type : S-26PU1U6, S-36PU1U6, S-42PU1U6SM830203-00_PAC-i_US-letter.indb2 2SM830203-00_PAC-i_US-le

3-33. Electrical data4-Way Cassette Type : S-26PU1U6, S-36PU1U6, S-42PU1U6SM830203-00_PAC-i_US-letter.indb3 3SM830203-00_PAC-i_US-letter.indb3 3 2

3-43. Electrical dataWall Mounted Type : S-26PK1U6SM830203-00_PAC-i_US-letter.indb4 4SM830203-00_PAC-i_US-letter.indb4 4 2011/11/09 20:22:532011

3-53. Electrical dataWall Mounted Type : S-26PK1U6SM830203-00_PAC-i_US-letter.indb5 5SM830203-00_PAC-i_US-letter.indb5 5 2011/11/09 20:22:542011

3-63. Electrical dataCeiling Type : S-26PT1U6, S-36PT1U6, S-42PT1U6SM830203-00_PAC-i_US-letter.indb6 6SM830203-00_PAC-i_US-letter.indb6 6 2011/11/

3-73. Electrical dataCeiling Type : S-26PT1U6, S-36PT1U6, S-42PT1U6SM830203-00_PAC-i_US-letter.indb7 7SM830203-00_PAC-i_US-letter.indb7 7 2011/11/

1-91. Specifications1-1 Unit SpecificationsWall Mounted TypeCooling:Rating conditions (*) : Room temperature 80 °F DB / 67 °F WB, Ambient temperature

3-83. Electrical dataLow Silhouette Ducted Type : S-26PF1U6, S-36PF1U6SM830203-00_PAC-i_US-letter.indb8 8SM830203-00_PAC-i_US-letter.indb8 8 2011/

3-93. Electrical dataLow Silhouette Ducted Type : S-26PF1U6, S-36PF1U6SM830203-00_PAC-i_US-letter.indb9 9SM830203-00_PAC-i_US-letter.indb9 9 2011/

3-103. Electrical data3-2 Outdoor UnitsU-26PE1U6SM830203-00_PAC-i_US-letter.indb10 10SM830203-00_PAC-i_US-letter.indb10 10 2011/11/09 20:22:5520

3-113. Electrical data3-2 Outdoor UnitsU-26PE1U6SM830203-00_PAC-i_US-letter.indb11 11SM830203-00_PAC-i_US-letter.indb11 11 2011/11/09 20:22:5520

3-123. Electrical data3-2 Outdoor UnitsU-26PS1U6SM830203-00_PAC-i_US-letter.indb12 12SM830203-00_PAC-i_US-letter.indb12 12 2011/11/09 20:22:5620

3-133. Electrical data3-2 Outdoor UnitsU-26PS1U6SM830203-00_PAC-i_US-letter.indb13 13SM830203-00_PAC-i_US-letter.indb13 13 2011/11/09 20:22:5620

3-143. Electrical data3-2 Outdoor UnitsU-36PE1U6SM830203-00_PAC-i_US-letter.indb14 14SM830203-00_PAC-i_US-letter.indb14 14 2011/11/09 20:22:5620

3-153. Electrical data3-2 Outdoor UnitsU-36PE1U6SM830203-00_PAC-i_US-letter.indb15 15SM830203-00_PAC-i_US-letter.indb15 15 2011/11/09 20:22:5620

3-163. Electrical data3-2 Outdoor UnitsU-36PS1U6SM830203-00_PAC-i_US-letter.indb16 16SM830203-00_PAC-i_US-letter.indb16 16 2011/11/09 20:22:5720

3-173. Electrical data3-2 Outdoor UnitsU-36PS1U6SM830203-00_PAC-i_US-letter.indb17 17SM830203-00_PAC-i_US-letter.indb17 17 2011/11/09 20:22:5720

1-101. Specifications1-1 Unit SpecificationsCeiling TypeS-26PT1U6tinU roodnIU-26PE1U6tinU roodtuOPOWER SOURCE230 - 208 V / 1 Phase / 60 HzPERFORMANCEC

3-183. Electrical data3-2 Outdoor UnitsU-42PE1U6SM830203-00_PAC-i_US-letter.indb18 18SM830203-00_PAC-i_US-letter.indb18 18 2011/11/09 20:22:5820

3-193. Electrical data3-2 Outdoor UnitsU-42PE1U6SM830203-00_PAC-i_US-letter.indb19 19SM830203-00_PAC-i_US-letter.indb19 19 2011/11/09 20:22:5820

3-203. Electrical data3-2 Outdoor UnitsU-42PS1U6SM830203-00_PAC-i_US-letter.indb20 20SM830203-00_PAC-i_US-letter.indb20 20 2011/11/09 20:22:5920

3-213. Electrical data3-2 Outdoor UnitsU-42PS1U6SM830203-00_PAC-i_US-letter.indb21 21SM830203-00_PAC-i_US-letter.indb21 21 2011/11/09 20:22:5920

SM830203-00_PAC-i_US-letter.indb22 22SM830203-00_PAC-i_US-letter.indb22 22 2011/11/09 20:22:592011/11/09 20:22:59

4-1. Meaning of Alarm Messages...4-24-2. Symptoms and Parts to I

4-24. Service proceduresRemote controller isdetecting error signal from indoor unitE01E02E10E11E14E03E08E09E04E05E06E07E15E12E16E20E17E18E31L01L02L03L

4-34. Service proceduresP09P01P10P03P04P05P15P19P20P22P26P29P31H01F01F02F10F04F06F07F08F12F29Ceiling panel connection failureIndoor protectionFan prot

4-44. Service procedures(2) LED Indicator Messages on Outdoor Control PCBPower ON sequence1. No communication from indoor units in system2. Communicat

4-54. Service procedures4-2. Symptoms and Parts to InspectJudgment conditionClear conditionP03P05P04P15P19P20P22P26Remotecontrolleralarm displayAlarmc

1-111. Specifications1-1 Unit SpecificationsCeiling TypeS-36PT1U6tinU roodnIU-36PE1U6tinU roodtuOPOWER SOURCE230 - 208 V / 1 Phase / 60 HzPERFORMANCEC

4-64. Service proceduresJudgment conditionClear conditionP29F04F06AlarmcontentsJudgment and correctionRecovery at restartRecovery at restartRecovery a

4-74. Service proceduresJudgment conditionClear conditionF31L02L04L07L10L13 E07 E06E14E15E16E20E31H01Remotecontrolleralarm displayAlarmcontentsJudgmen

4-84. Service proceduresNoNoNoNoNoNoNo NoNoYe sYe sYe sYe sYe sYe sYe sYe sYe s[Alarm “P29”](MDC trouble)(1)Input power detection circuit troubleCompr

4-94. Service proceduresNoNoNoNoNoNoNoYesYesYesYesYesYesYesReplace outdoor unit control PCB.(2) [Alarm “P26”] HIC PCB trouble)IGBT short-circuit pr

4-104. Service proceduresHIC +Between terminals ResistanceHIC +HIC +HIC +HIC –HIC –HIC –HIC –UVWUVWResistance200 kΩ or more300 kΩ or more300 kΩ or mor

4-114. Service procedures NoNoNoNoYe sYe sYe sYe s(4) [Alarm "P22"] Outdoor unit fan motor drive circuit troubleAre connectors CN003 and C

4-124. Service proceduresNoNoYesYesCheck the outdoor unit control PCB.Replace if PCB has failed.Sensor trouble(5) [Alarms “F04,” “F06,” “F07,” “F08,”

4-134. Service proceduresSensor installation Sensor Sensor typeSensorSensor typesserddasserddanoitacol00 Room temp. 05 –(temp. used for control)*01 R

4-144. Service proceduresCheck PinShort-circuit the cooling check pin (or heating check pin) on the outdoor unit control PCB to perform the controldes

5-1. Overview ... 5-25-2. Functi

1-121. Specifications1-1 Unit SpecificationsCeiling TypeS-42PT1U6tinU roodnIU-42PE1U6tinU roodtuOPOWER SOURCE230 - 208 V / 1 Phase / 60 HzPERFORMANCEC

5-25. Outdoor unit maintenance remote control5-1. OverviewWhat is the outdoor unit maintenance remote controller?Beginning with the DC-INV series of o

5-35. Outdoor unit maintenance remote controlRemote controller AssySpecial service checker wiringRelay connector (2P, white)PCB connector (3P, blue)RC

5-45. Outdoor unit maintenance remote controlDisplay (functions)• Use the temperature setting and buttons to change the item code.skrameRstnetnocy

5-55. Outdoor unit maintenance remote control*2: 7-segment, 4-digit display for remote controller timer displayThe connected unit Nos. are displayed a

5-65. Outdoor unit maintenance remote control5-4. Monitoring Operations: Display of Indoor Unit and Outdoor Unit Sensor Temperatures<Operating proc

5-75. Outdoor unit maintenance remote control5-5. Monitoring the Outdoor Unit Alarm History: Display of Outdoor Unit Alarm History* Displays outdoor u

5-85. Outdoor unit maintenance remote controlList of Item CodesretemaraPedocmetI01 Control system schedule02 Control system schedule03 Control system

5-95. Outdoor unit maintenance remote control Setting mode 2<Operating procedure>(1) Press and hold the button, button, and button simultan

5-105. Outdoor unit maintenance remote controlretemaraPedocmetI80 Refrigerant type 407 = R407C 22 = R22 410 = R410A81 Outdoor unit capacity* 0 = D

6-1. Preparing for Test Run ...6-2. Caution...

1-131. Specifications1-1 Unit SpecificationsCeiling TypeS-26PT1U6tinU roodnIU-26PS1U6tinU roodtuOPOWER SOURCE230 - 208 V / 1 Phase / 60 HzPERFORMANCEC

6-26. Test run6. TEST RUN6-1. Preparing for Test RunBefore attempting to start the air conditioner,check the following:(1) All loose matter is removed

6-36. Test run U1, K1, T1, F1 Type6-2. CautionThis unit may be used in a single-type refrigerant system where 1 outdoor unit is connected to 1 indoor

6-46. Test run6-4. Items to Check Before the Test Run(1)(2)Turn the breaker ON at least 12 hours in advance in order to energize the crank case heater

6-56. Test runWired remote controller displayCauseCorrectionNothing isdisplayedNothing isdisplayedE 0 1 displayedE 0 2 displayedE 0 9 displayedE 1 4 d

6-66. Test run6-8. Examples of Wiring DiagramsBasic wiring diagram 1Single-type systemBe careful to avoid miswiring when connecting the wires. (Miswir

6-76. Test run1212L2U1RCU2L1 U2U1G1212L2U1RCU2L1 U2U1G12System address rotary switch(Set to “0” at the time of shipment.)Outdoor unitIndoorunitWired r

6-86. Test runSetting the outdoor unit system addressesFor basic wiring diagram 2 (Set the system addresses: 1, 2, 3...)ON120System address rotary swi

6-96. Test runIndicating (marking) the indoor and outdoor unit combination numberIndicate (mark) the number after automatic address setting is complet

201201SM830203-01_PAC-i_US-letter.indb1 1SM830203-01_PAC-i_US-letter.indb1 1 2012/01/27 13:49:352012/01/27 13:49:35

IMPORTANT! Please Read Before StartingThis air conditioning system meets strict safety and oper-ating standards. As the installer or service person, i

1-141. Specifications1-1 Unit SpecificationsCeiling TypeS-36PT1U6tinU roodnIU-36PS1U6tinU roodtuOPOWER SOURCE230 - 208 V / 1 Phase / 60 HzPERFORMANCEC

1-151. Specifications1-1 Unit SpecificationsCeiling TypeS-42PT1U6tinU roodnIU-42PS1U6tinU roodtuOPOWER SOURCE230 - 208 V / 1 Phase / 60 HzPERFORMANCEC

1-161. Specifications1-1 Unit SpecificationsLow Silhouette Duct TypeCooling:Rating conditions (*) : Room temperature 80 °F DB / 67 °F WB, Ambient temp

1-171. Specifications1-1 Unit SpecificationsLow Silhouette Duct TypeCooling:Rating conditions (*) : Room temperature 80 °F DB / 67 °F WB, Ambient temp

1-181. Specifications1-1 Unit SpecificationsLow Silhouette Duct TypeCooling:Rating conditions (*) : Room temperature 80 °F DB / 67 °F WB, Ambient temp

1-191. Specifications1-1 Unit SpecificationsLow Silhouette Duct TypeCooling:Rating conditions (*) : Room temperature 80 °F DB / 67 °F WB, Ambient temp

1-201. Specifications1-2 Major Component Specifications(A) Indoor UnitMODEL No. S-26PU1U6Source 230 - 208 VAC / 1 phase / 60 HzRemote controller (Sup

1-211. Specifications1-2 Major Component Specifications(A) Indoor UnitMODEL No. S-36PU1U6Source 230 - 208 VAC / 1 phase / 60 HzRemote controller (Sup

1-221. Specifications1-2 Major Component Specifications(A) Indoor UnitMODEL No. S-42PU1U6Source 230 - 208 VAC / 1 phase / 60 HzRemote controller (Sup

1-231. Specifications1-2 Major Component Specifications(A) Indoor UnitMODEL No. S-26PK1U6Source 230 - 208 V / 1 phase / 60 HzRemote controller (Optio

Check of Density LimitThe room in which the air conditioner is to beinstalled requires a design that in the event of refrig-erant gas leaking out, its

1-241. Specifications1-2 Major Component Specifications(A) Indoor UnitMODEL No. S-26PT1U6Source 230 - 208 V / 1 phase / 60 HzRemote controller (Suppl

1-251. Specifications1-2 Major Component Specifications(A) Indoor UnitMODEL No. S-36PT1U6Source 230 - 208 V / 1 phase / 60 HzRemote controller (Suppl

1-261. Specifications1-2 Major Component Specifications(A) Indoor UnitMODEL No. S-42PT1U6Source 230 - 208 V / 1 phase / 60 HzRemote controller (Suppl

1-271. Specifications1-2 Major Component Specifications(A) Indoor UnitMODEL No. S-26PF1U6Source 230 - 208 V / 1 phase / 60 HzRemote controller (Suppl

1-281. Specifications1-2 Major Component Specifications(A) Indoor UnitMODEL No. S-36PF1U6Source 230 - 208 V / 1 phase / 60 HzRemote controller (Suppl

1-291. Specifications1-2 Major Component Specifications(B) Outdoor UnitMODEL No.SourceController P.C.B. Ass'yControl circuit fuse (on the P.C.B.“

1-301. Specifications1-2 Major Component Specifications(B) Outdoor UnitMODEL No.SourceController P.C.B. Ass'yControl circuit fuse (on the P.C.B.“

1-311. Specifications1-2 Major Component Specifications(B) Outdoor UnitMODEL No.SourceController P.C.B. Ass'yCompressorModel...numberWtuptuo lan

1-321. Specifications1-2 Major Component Specifications(B) Outdoor UnitMODEL No.SourceController P.C.B. Ass'yCompressorModel...numberWtuptuo lan

1-331. Specifications1-2 Major Component Specifications(B) Outdoor UnitMODEL No.SourceController P.C.B. Ass'yCompressorModel...numberWtuptuo lan

Precautions for Installation Using New Refrigerant1. Care regarding tubing1-1. Process tubing Material: Use C1220 phosphorous deoxidized copper speci

1-341. Specifications1-2 Major Component Specifications(B) Outdoor UnitMODEL No.SourceController P.C.B. Ass'yCompressorModel...numberWtuptuo lan

1-351. Specifications1-3 Other Component SpecificationsOutdoor UnitU-26PE1U6, U-26PS1U6.oN LEDOMThermistor (Coil sensor) : TH2 to 5Coil resistance kΩ

1-361. Specifications1-3 Other Component SpecificationsOutdoor UnitU-36PE1U6, U-36PS1U6.oN LEDOMThermistor (Coil sensor) : TH2 to 5Coil resistance kΩ

1-371. SpecificationsU-42PE1U6, U-42PS1U6.oN LEDOMThermistor (Coil sensor) : TH2 to 5Coil resistance kΩ 14 °F:23.7 , 50 °F: 9.723 °F : 18.8 , 68 °F :

1-381. Specifications1-4 Dimensional dataIndoor unit : 4-Way Cassette Type26 Type33-27/323-15/1630-9/1619-11/1619-11/1612-1/8 1-3/164-7/815/3215/321-7

1-391. Specifications1-4 Dimensional dataIndoor unit : 4-Way Cassette Type36, 42Type45-9/3241-31/3231-3/3219-11/1613-5/16 1-3/164-7/815/3215/321-7/833

1-401. Specifications1-4 Dimensional dataDimension : inchRefrigerant liquid line (3/8") Flare connectionRefrigerant gas line (5/8") Flare co

1-411. Specifications1-4 Dimensional dataIndoor unit : Ceiling Type26 TypeDrain connectionDrain connection for left sideRefrigerant liquid line (3/8&q

1-421. Specifications1-4 Dimensional dataIndoor unit : Ceiling Type36, 42 TypeDrain connectionDrain connection for left sideRefrigerant liquid line (3

1-431. Specifications1-4 Dimensional dataIndoor unit : Low Silhouette Duct Type26 TypeRefrigerant liquid line (3/8") Flare connectionRefrigerant

iv3-2. Use R410A exclusive cylinder only. When charging with a refrigerant cylinder, use an electronic scale for charging refrigerant. In this case,i

1-441. Specifications1-4 Dimensional dataIndoor unit : Low Silhouette Duct Type36 TypeRefrigerant liquid line (3/8") Flare connectionRefrigerant

1-451. Specifications23/321-7/32FGHGF11/32EDB (O.D.)A(Hole)C-ø1/8(Hole)1/4(Hole)12-1/3210-1/4 (O.D.) 29/327-7/81-25/325/161-25/3231/3213/322118_U_I2-ø

1-461. Specifications1-4 Dimensional Data(B) Outdoor Unit: U-26PE1U6, U-26PS1U6U-36PE1U6, U-36PS1U61SM830203-01_PAC-i_US-letter.indb46 46SM830203-01

1-471. Specifications1-4 Dimensional Data(B) Outdoor Unit: U-42PE1U6, U-42PS1U61SM830203-01_PAC-i_US-letter.indb47 47SM830203-01_PAC-i_US-letter.ind

1-481. Specifications1-5 Refrigerant Flow DiagramOutdoor Unit : U-26PE1U6, U-26PS1U6 Indoor Unit : 26, 30, 36 TypesU-36PE1U6, U-36PS1U6S

1-491. Specifications1-5 Refrigerant Flow DiagramOutdoor Unit: U-42PE1U6, U-42PS1U6 Indoor Unit: 42 Type1-6 Operating RangeTemperature Indoor Air Int

1-501. Specifications1-7 Capacity Correction Graph According to Temperature ConditionU-26PE1U6, U-26PS1U6U-36PE1U6, U-36PS1U6U-42PE1U6, U-42PS1U61SM

1-511. Specifications1-8 Noise Criterion Curves 4-Way Cassette TypeMODEL : S-26PU1U6SOUND LEVEL : HIGH 38 dB(A), NC 31LOW 31 dB(A), NC 23CONDITION : C

1-521. Specifications1-8 Noise Criterion Curves Wall Mounted TypeSOURCE :208 - 230 V, 1 Phase, 60 HzCONDITION : Distance 3.3 ft., Under the unit 3.3 f

1-531. Specifications1-8 Noise Criterion Curves Ceiling TypeMODEL : S-26PT1U6SOUND LEVEL : HIGH 40 dB(A), NC 34LOW 36 dB(A), NC 26CONDITION :Distance

viSection 1: SPECIFICATIONS ...1-11-1 Unit SpecifIca

1-541. Specifications1-8 Noise Criterion Curves Low Silhouette Duct TypeMODEL : S-26PF1U6SOUND LEVEL :HIGH 34 dB(A), NC 22 / LOW 27 dB(A), NC 18CONDIT

1-551. Specifications1-8 Noise Criterion Curves Outdoor UnitsREMARKS: 1. Value obtained in the actual place where the unit is installed may be slightl

1-561. Specifications1-9 Increasing the Fan SpeedJumper cableJumper cableElectrical component box(At shipment) (Jumper cable installed)2159_M_IFan mot

1-571. Specifications1-10 Air throw distance chart 4-Way Cassette Type03 7 101317200371013HORIZONTAL DISTANCE (ft.)AXIS AIR VELOCITY (ft./sec)VERTICAL

1-581. Specifications1-10 Air throw distance chart Wall Mounted TypeCOOLING - - - - - HEATINGFAN SPEED HIGH HIGHROOM AIR TEMP. 80°F70°FFLAP ANGLE 0°,

1-591. Specifications1-10 Air throw distance chart Ceiling TypeModel: 26 Type0371013172023262933037101317HORIZONTAL DISTANCE (ft.)AXIS AIR VELOCITY (f

1-601. Specifications1-11. ELECTRICAL WIRINGGeneral Precautions on Wiring(1)as shown on its nameplate, then carry out the wiring closely following the

1-611. SpecificationsInter-unitpower wiringPower wiringInter-unitcontrol wiring8P terminal boardOutdoor UnitIndoor UnitU1 U2 1 2 G L1 L2Wiring System

1-621. SpecificationsWARNINGLoose wiring may cause theterminal to overheat or resultin unit malfunction. A firehazard may also exist.Therefore, ensure

1-631. Specifications1-12. Installation Instructions1. Tubing SizeOutdoor UnitSingle type Refrigerant tubing between the indoor and outdoor unitsshou

1. SPECIFICATIONS1-1. Unit Specifications... 1-21-2.

1-641. SpecificationsCAUTION1. This unit requires no additional refrigerant charge up to 100 ft. tubing length.In case of more than 100 ft., additiona

1-651. Specifications3. SELECTING THE INSTALLATION SITE3-1. Outdoor UnitAVOID: heat sources, exhaust fans, etc. (Fig. 1-3) damp, humid or uneven loca

1-661. Specifications3-2. Air-Discharge Chamber for Top DischargeBe sure to install an air discharge chamber in thefield when: it is difficult to keep

1-671. Specifications3-5. Dimensions of Wind DuctingReference diagram for air-discharge chamber (fi eld supply)For U-26PE(S)1U6 / U-36PE(S)1U6 unit①Air

1-681. SpecificationsDimensions of Outdoor Unit with air-discharge chamber (fi eld supply)U-26PE(S)1U6 / U-36PE(S)1U6 unitU-42PE(S)1U6 unit13-3/82-17/3

1-691. SpecificationsReference diagram for air-discharge chamber (fi eld supply)U-26PE(S)1U6 / U-36PE(S)1U6 / U-42PE(S)1U6Required space around outdoor

1-701. Specifications3-6. Dimensions of Snow DuctingReference diagram for snow-proof vents (fi eld supply)For U-26PE(S)1U6 / U-36PE(S)1U6 unit①Unit top

1-711. SpecificationsDimensions of outdoor unit with snow-proof vents (fi eld supply)U-26PE(S)1U6 / U-36PE(S)1U6 unitU-42PE(S)1U6 unit11-57/6416-47/641

1-721. SpecificationsReference diagram for snow-proof vents – 1Space requirements for setting – (1)U-26PE(S)1U6 / U-36PE(S)1U6 / U-42PE(S)1U6]tinu fo

1-731. SpecificationsReference diagram for snow-proof vents – 2Space requirements for setting – (2)U-26PE(S)1U6 / U-36PE(S)1U6 / U-42PE(S)1U6[Obstacle

1-21. Specifications1-1 Unit Specifications4-Way Cassette TypeCooling:Rating conditions (*) : Room temperature 80 °F DB / 67 °F WB, Ambient temperatur

1-741. Specifications4. HOW TO INSTALL THE OUTDOOR UNIT4-1. Installing the Outdoor Unit Use concrete or a similar material to create the base, and ens

1-751. Specifications5. SELECTING THE INSTALLATION SITE5-1. Indoor UnitAVOID: areas where leakage of flammable gas may be expected. places where lar

1-761. Specifications6. HOW TO INSTALL THE INDOOR UNIT4-Way Cassette Type(U1 Type)6-1. Suspending the Indoor UnitThis unit uses a drain pump. Use a l

1-771. Specifications6-3. Placing the Unit Inside the Ceiling(1) When placing the unit inside the ceiling, determine the pitch of the suspension bolt

1-781. Specifications6-4. Installing the Drain Piping(1) Prepare standard hard PVC pipe for the drain and use the supplied drain hose and hose band t

1-791. Specifications6-5. Checking the DrainageAfter wiring and piping are completed, use the follow-ing procedure to check that the water will drain

1-801. SpecificationsCeiling Panel6-6. Before Installing the Ceiling Panel(1) Remove the air-intake grille and air filter from the ceiling panel. (Fi

1-811. Specifications6-7. Installing the Ceiling Panel(1) Lift the ceiling panel and position it to align the panel hook with the panel catch of the

1-821. Specifications6-9. Duct for Fresh Air There is a duct connection part on side of the indoor unit. (Fig. 1-27)(1) Accessories Check that the f

1-831. Specifications(d) Installing the ceiling panelAttach the ceiling panel to the air-intake plenum. Drawing the panel downwards sets the panel in

1-31. Specifications1-1 Unit Specifications4-Way Cassette TypeCooling:Rating conditions (*) : Room temperature 80 °F DB / 67 °F WB, Ambient temperatur

1-841. SpecificationsWall Mounted Type (K1 Type)6-10. Removing the Wall Fixture from the UnitRemove the set screws and take off the rear panel. (Fig.

1-851. Specifications6-12. Installing the Rear Panel on the WallBe sure to confirm that the wall is strong enough to suspend the unit.See either Item

1-861. Specifications6-13. Removing the Grille to Install the Indoor UnitBasically, these models can be installed and wired without removing the grill

1-871. Specifications6-15. Wiring InstructionsGeneral Precautions on Wiring(1) Before wiring, confirm the rated voltage of the unit as shown on its n

1-881. Specifications6-17. Shaping the Tubing(1) Shape the refrigerant tubing so that it can easily go into the hole. (Fig. 1-45)(2) Push the wiring

1-891. SpecificationsCeiling Type (T1 Type)6-19. Suspending the Indoor Unit(1) Place the full-scale diagram (supplied) on the ceiling at the spot whe

1-901. Specifications(5) Before suspending the indoor unit, remove the 2 screws on the latch of the air-intake grilles, open the grilles, and remove

1-911. SpecificationsCeilingsurface.xorppAhcni1Suspension boltWasher(supplied)Nut(field supply)Fig. 1-58Fig. 1-59Fig. 1-60(7) Suspend the indoor unit

1-921. Specifications6-20. Duct for Fresh AirThere is a duct connection port (knock-out hole) at the right-rear on the panel top of the indoor unit fo

1-931. SpecificationsLow Silhouette Ducted Type (F1 Type)6-22. Required Minimum Space for Installation and Service This air conditioner is usually in