Page 2 - Indoor unit; PART NAMES AND FUNCTIONS; Air outlet
Indoor unit 1 PART NAMES AND FUNCTIONS Air outlet Louver Vane Air intake Filter(Inside of Air intake) 2
Page 3 - °F°C; Display Section; Wired
3 °F°C °F°C ERROR CODE AFTER TIMER TIME SUN MON TUE WED THU FRI SAT ONOFF HrAFTER FILTER FUNCTION ONLY1Hr. WEEKLY SIMPLE AUTO OFF PAR-21MAA ON/OFF FILTER CHECK OPERATION CLEAR TEST TEMP. MENU BACK DAY MONITOR/SET CLOCK ON/OFF ● ● Display Section For purposes of this explanation,all parts of the disp...
Page 4 - SPECIFICATION
4 2 SPECIFICATION 2-1. SPECIFICATIONS *1 Nominal cooling conditions Note : Indoor : Outdoor : Pipe length : Level difference : 80°FDB/67°FWB (26.7°CDB/19.4°CWB)95°FDB (35°CDB)25 ft. (7.6 m)0 ft (0 m) *2 Nominal heating conditions 70°FDB(21°CDB)47°FDB/43°FWB (8.3°CDB/6.1°CWB)25 ft. (7.6 m)0 ft (0 m) ...
Page 7 - -5. FRESH AIR INTAKE AMOUNT & STATIC PRESSURE CHARACTERISTICS; How to read curves
7 2-5. FRESH AIR INTAKE AMOUNT & STATIC PRESSURE CHARACTERISTICS Q 0 B A C 1 Curve in thegraphs Duct characteristicsat site Q A EC 2 Q Qa AD 3 Q…Designed amount of fresh air intake <CMM(CFM)> A…Static pressure loss of fresh air intake duct system with airflow amount Q <Pa(in.W.G.x10 -2 ...
Page 8 - OUTLINES AND DIMENSIONS; In case of wireless remote controller; Drainage pipe connection(for the left arrangement); Please be sure when installing the
8 3 OUTLINES AND DIMENSIONS PCFY-P15NKMU-E Unit : inch(mm) Drainage When drain socket is installed When drain socket is installed Drainage 9-3/16(233) 9-1 1/16(246) 14 i-see sensor 9-5/16(236) [FRONT VIEW] 2 5-7/16(138) 1-7/16(37) 6 Φ4- 15/16(Φ 125) 8(203) 7-1/4(184) 3 18-1/8(461) 15-1/4(387) 2-15/1...
Page 9 - Please be sure when installing the drain lift up; Knock out hole for upper drain pipe arrangement
9 PCFY-P24NKMU-E Unit : inch(mm) When drain socket is installed 9-3/16(233) Drainage When drain socket is installed 9-1 1 /16(246) i-see sensor 14 liquid Φ3/8(Φ9.52) gas Φ5/8(Φ15.88) Drainage 46-3/16(1 173) 1/16(2) 1/16(2) 50-3/8(1280) 1-7/8(48) 5/16(8) 47-3/16(1 198) 3-3/8(85) 7-3/16(182) 26-3/4(68...
Page 11 - WIRING DIAGRAM
11 4 WIRING DIAGRAM CN27CN32CN51CN52 SW2SW3SW4SWE ZNR01,02 DSAFUSE X1 MFMV DP FS TB2TB5TB15 TH22 TH23 LEV SW1SW11SW12SW14 SWASWC W.B RU BZLED1LED2 SW1SW2 POWER SUPPLYTRANSMISSIONMA-REMOTE CONTROLLER PIPE TEMP. DETECTION / LIQUID(32°F/15ΚΩ, 77°F/5.4ΚΩ Detect) PIPE TEMP. DETECTION / GAS(32°F/15ΚΩ, 77°...
Page 12 - REFRIGERANT SYSTEM DIAGRAM; Gas pipe
12 5 REFRIGERANT SYSTEM DIAGRAM Refrigerant flow in coolingRefrigerant flow in heating Strainer (#100 mesh) Strainer (#100 mesh) Strainer1 (#50 mesh)Strainer2 (#100 mesh) Heat exchanger Room temparature thermistor TH21 Gas pipe thermistor TH23 Liquid pipe thermistor TH22 Linear expansion valve Gas p...
Page 13 - MICROPROCESSOR CONTROL; NOTE; Type
13 MICROPROCESSOR CONTROL 6 PAR-21MAA ON/OFF FILTER CHECK OPERATION CLEAR TEST TEMP. MENU BACK DAY MONITOR/SET CLOCK ON/OFF ûFûC ûFûC ERROR CODE AFTER TIMER TIME SUN MON TUE WED THU FRI SAT ONOFF HrAFTER FILTER FUNCTION ONLY1Hr. WEEKLY SIMPLE AUTO OFF INDOOR UNIT CONTROL6-1. COOL OPERATION <How t...
Page 14 - Float switch control
14 → Control modes Control details 3-1. Drain pump control •Drain pump is always ON during the COOL and DRY mode operation. (Regardless of the thermo ON/OFF) •When the operation mode has changed from the COOL or DRY to the others (including Stop), the drain pump will be kept on for 3 minutes, then t...
Page 17 - To be continued on the next page.
17 Control modes Control details 1-1. Thermoregulating function (Function to prevent restarting for 3 minutes) • Room temperature desired temperature -2°F ···Thermo ON • Room temperature desired temperature ···Thermo OFF 1. Thermoregulating function Remarks 2-1. Hot adjust mode The fan controller be...
Page 18 - From the preceding page
18 → Control modes Control details 2. Fan Remarks 2-3. Thermo OFF mode When the thermoregulating function changes to OFF, the indoor fan operates in [Extra low]. 2-4. Heat defrosting mode The indoor fan stops. (1) Initial setting: OFF → HEAT···[last setting] When the last setting is [Swing] ··· [Dow...
Page 20 - TROUBLESHOOTING; Black plastic tape
20 7 TROUBLESHOOTING 7-1. HOW TO CHECK THE PARTSPCFY-P15NKMU-E PCFY-P24NKMU-E PCFY-P30NKMU-E PCFY-P36NKMU-E Parts name Check points Disconnect the connector then measure the resistance using a tester.(At the ambient temperature 50 " F~86 " F) (Refer to the next page for a detail.) Room tempe...
Page 21 - Thermistor R; Linear expansion valve; Operation summary of the linear expansion valve
21 4 Φ 4 3 6 5 Φ 3 2 Φ 2 1 Φ 1 Φ 4 Φ 3 Φ 2 Φ 1 Controller board Drive circuit Connector(CN60) DC12V Brown Red Blue Orange Yellow White M 4 6 2 3 5 1 Blue Brown Yellow Orange Red White Linear expansion valve <Thermistor characteristic graph> Room temperature thermistor (TH21)Liquid pipe tempera...
Page 22 -
22 6 5 4 3 2 1 LED 1k Ω Symptom Check points Operation circuit failure of the micro processor Disconnect the connector on the controller board, then con-nect LED for checking. When power is turned on, pulse signals will be output for 10 seconds. There must be some defects in the operation circuit if...
Page 23 - Wiring contact check; Sensor signal check
23 Notes · High voltage is applied to the connecter (CNMF) for the fan motor. Pay attention to the service. · Do not pull out the connector (CNMF) for the motor with the power supply on. (It causes trouble of the indoor controller circuit board and fan motor.) Self checkSymptom : The indoor fan cann...
Page 26 - The connector SWE is set to OFF after test run.
26 • To operate each indoor unit by each remote controller when installed 2 indoor units or more are near, Pair No. setting is necessary. Pair No. setting is available with the 4 patterns (Setting patters A to D). Make setting for J41, J42 of indoor controller board and the Pair No. of wireless remo...
Page 28 - SWA
28 7-3-2. Address boardPCFY-P15NKMU-EPCFY-P24NKMU-EPCFY-P30NKMU-EPCFY-P36NKMU-E SW1 Function setting SW12 Address setting10ths DIGIT SW11 Address setting1st DIGIT SW14 Branch No. SWA Ceiling heightselector SWC Option selector
Page 29 - DISASSEMBLY PROCEDURE; Removing the air intake grille; Figure 1; slide; Pull out the air intake grille; Figure 2; Photo 3
OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 29 8 DISASSEMBLY PROCEDURE 1. Removing the air intake grille (1) Slide the air intake grille holding knobs (at 2 or 3 loca- tions) to the rear to open the air intake grille. (See Figure 1) (2) While the air intake grille left open, push the stoppers on ...
Page 30 - Photo 4; Removing the fan motor and right side fan; Photo 8
OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 30 3. Removing the room temperature thermistor (TH21) (1) Remove the air intake grille. (See Figure 1,2) (2) Remove the screw from the beam and remove the beam. (See Photo 1) (3) Remove 2 screws from the electrical cover, and remove the electrical cover...
Page 31 - Figure 3; Removing the side panel; Photo 9
OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 31 Screw Side panel (Right) Side panel (Left) Sliding the panelto the front Figure 3 6. Removing the side panel (1) Remove the air intake grille. (See Figure 1,2) (2) Remove the screw from the side panel, and remove the side panel by sliding the panel t...
Page 32 - Removing the under panel; and remove the under panel.; Removing the vane motor; Remove the screws of the right and left side drain pan.
OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 32 8. Removing the under panel (1) Remove the air intake grille. (See Figure 1,2) (2) Remove the left and right side panels. (See Figure 3)(3) Remove the beam. (See Photo 1)(4) Remove the electrical cover. (See Photo 1)(5) Pull the electrical box downwa...
Page 33 - Removing the Auto vane; vane support to the vane sleeve side.; Removing the guide vane; (6) Remove 6 screws from the pipe cover and remove the
OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 33 12. Removing the Auto vane (1) Remove the intake grille. (See Figure 1,2)(2) Remove the right side panel. (See Figure 3)(3) Remove the vane motor and cover. (See Photo 12)(4) Slide the auto vane to the vane motor side.(5) Remove 2 axes from each vane...
Page 34 - Removing the heat exchanger and LEV; (11) Remove the pipe band fixing screw and remove the
OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 34 13. Removing the heat exchanger and LEV (1) Remove the air intake grille. (See Figure 1,2) (2) Remove the beam. (See Photo 1)(3) Remove the electrical cover. (See Photo 1)(4) Pull the electrical box downward. (See Photo 2)(5) Disconnect the connector...
Page 36 - TM
Copyright 2009 MITSUBISHI ELECTRIC ENGINEERING CO., LTD. Distributed in Feb. 2009 No. OCH450 PDF 7Made in Japan New publication, effective Feb. 2009Specifications subject to change without notice HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU TOKYO 100-8310, JAPAN TM