Mitsubishi Electronics PMFY-P08NBMU-E manual

SPLIT -TYPE, HEA T PUMP AIR CONDITIONERS TECHNICAL & SER VICE MANUAL No. OC341 REVISED EDITION-B INDOOR UNIT CONTENTS 1. TECHNICAL CHANGES ·······················2 2. FEA TURES ···········································2 3. P ART NAMES AND FUNCTIONS ········3 4. SPECIFIC[...]

2 2 FEA TURES 1. Fresh Air Intake Air recycled indefinitely can become stale and stagnant with air quality suffering significantly . Fresh air is the answer and it is for this reason that the PMFY - series takes in air directly from outdoors. This fresh air intake allows you to enjoy the comfort of crisp, refreshing air in the confines of your livi[...]

3 P ART NAMES AND FUNCTIONS 3 Guide vane Air flow can be changed to horizontal by moving the guide vane to the left or right. Air intake Returns air from room. Filters Remove dust and pollutants from return air . Auto Air Swing V ane Disperses airflow up and down and adjusts the angle of airflow direction. Horizontal Air Outlet ● Indoor Unit P AR[...]

4 ● Wired remote controller ● ● ˚F˚C ˚F˚C ERROR CODE AFTER TIMER TIME SUN MON TUE WED THU FRI SAT ON OFF Hr AFTER FIL TER FUNCTION ONL Y1Hr . WEEKL Y SIMPLE AUTO OFF Note: “PLEASE W AIT” message This message is displayed for approximately 3 minutes when power is supplied to the indoor unit or when the unit is recovering from a power f[...]

5 4 SPECIFICA TION 4-1. SPECIFICA TIONS Note 1. Rating conditions Cooling: Indoor: D.B. 80°F W .B. 67°F outdoor: D.B. 95°F W .B. 75°F Heating: Indoor: D.B. 70°F outdoor: D.B. 47°F W .B. 43°F Note 2. The number indicated in < > is for the grille. W 3. Air flow and the noise level are indicated as Low - Medium2 - Medium1 - High. Item V·[...]

6 4-2. ELECTRICAL P ARTS SPECIFICA TIONS Parts name Service Ref. Symbol TH21 TH22 TH23 FUSE MF MV DP DS LEV TB2 TB5 TB15 Resistance 30˚F/15.8k " , 50˚F/9.6k " , 70˚F/6.0k " , 80˚F/4.8k " , 90˚F/3.9k " , 100˚F/3.2k " Resistance 30˚F/15.8k " , 50˚F/9.6k " , 70˚F/6.0k " , 80˚F/4.8k " , 90˚F/[...]

7 4-3. AIR CAP ACITY T AKEN FROM OUTSIDE PMFY -P·NBMU-E series are capable of taking air from outside. When taking air from outside, the duct fan is used. The air capacity should be 20% or less of the airflow SPEC(Hi). PMFY -P06NBMU-E PMFY -P06NBMU-E 1 PMFY -P08NBMU-E PMFY -P08NBMU-E 1 PMFY -P12NBMU-E PMFY -P12NBMU-E 1 PMFY -P15NBMU-E PMFY -P15NBM[...]

8 4-4. NOISE CRITERION CURVES 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMA TE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC-60 NC-50 NC-40 NC-30 NC-20 NC-70 OCT A VE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 µ bar) BAND CENTER FREQUENCIES, Hz PMFY -P06NBMU-E PMFY -P06NBMU-E 1 High NOTCH Medium1 Medium2 Low 35 SPL(dB) 3[...]

9 5 OUTLINES AND DIMENSIONS Details of fresh air intake hole Knockout 4- { 1/8(2.8) Burring hole Fresh air intake hole 4-5/16 (1 10) 9-1/16(230) 9-1/2 (235) or more 4-5/16 (1 10) Suspension bolt(M10 or W 3/8) Panel(grille):PMP-16BMU Installation space required around indoor unit Mounting plate 6-15/16(176) Panel(grille):PMP-16BMU Lower view 2-3/8(6[...]

10 6 WIRING DIAGRAM Note 1.At servicing for outdoor unit, always follow the wiring diagram of outdoor unit. 2.In case of using MA-Remote controller, please connect to TB15. (Remote controller wire is non-polar.) 3.In case of using M-NET, please connect to TB5. (Transmission wire is non-polar.) 4.Symbol [S] of TB5 is the shield wire connection. 5.Sy[...]

11 Note 1.At servicing for outdoor unit, always follow the wiring diagram of outdoor unit. 2.In case of using MA-Remote controller, please connect to TB15. (Remote controller wire is non-polar.) 3.In case of using M-NET, please connect to TB5. (Transmission line is non-polar.) 4.Symbol [S]of TB5 is the shield wire connection. 5.Symbols used in wiri[...]

12 REFRIGERANT SYSTEM DIAGRAM 7 Strainer (#100mesh) Strainer pipe (#100mesh) Strainer (#100mesh) Strainer (#50mesh) Heat exchanger Thermistor TH21 <Room temperature detection> Thermistor TH23 <Gas pipe temperature detection> Thermistor TH22 <Liquid pipe temperature detection> Linear expansion valve w 1 w 2 Gas pipe Liquid pipe Fla[...]

13 8 MICROPROCESSOR CONTROL PAR-21MAA ON/OFF FILTER CHECK OPERATION CLEAR TEST TEMP. MENU BACK DAY MONITOR/SET CLOCK ON/OFF ˚F˚C ˚F˚C ERROR CODE AFTER TIMER TIME SUN MON TUE WED THU FRI SAT ON OFF Hr AFTER FILTER FUNCTION ONLY1Hr. WEEKLY SIMPLE AUTO OFF INDOOR UNIT CONTROL 8-1. COOL OPERA TION <How to operate> 1 Press POWER ON/OFF button.[...]

14 → 3 2 1 → Control modes Control details 3-1. Drain pump control • Always drain pump ON during the COOL and DR Y mode operation. (Regardless of the thermostat ON/ OFF) • When the operation mode is changed from COOL or DRY to any other mode (including Stop), the drain pump continues to run for 3 minutes. Drain sensor function • The indoo[...]

15 Control modes Control details 1-1. Dry mode temperature is controlled by TH21. Dry mode ON Room temperature ] desired temperature + 2 ° F Dry mode OFF Room temperature [ desired temperature 1-2. Frozen prevention control No control function Indoor fan operation control depends on the compressor conditions. 3. Drain pump 1. Functions regulated b[...]

16 Control modes Control details Set by remote controller . 2. Drain pump Remarks 1. Fan T ype Fan speed notch 4 speeds type [Low], [Medium2], [Medium1], [High] 3. V ane (up/ down vane change) 2-1. Drain pump control The drain pump turns ON for the specified amount of time when any of the following conditions is satisfied: 1 ON for 3 minutes after [...]

17 Control modes Control details 1-1. Minimum compressor off cycle is 3 minutes. • Room temperature [ desired temperature -2 ° F ···Thermo ON • Room temperature ] desired temperature ···Thermo OFF 1. Functions regulated by temperature Remarks Controlled by the remote controller (4-speed) Priority is given to below-mentioned control mode [...]

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. No drain pump operation However , when the control changes from COOL or DR Y operation, the drain pump operates for 3 minutes. (1) Initial[...]

19 1. Drain pump Control modes Control details HEA T mode for room temperature < Desired temperature COOL mode for room temperature ] Desired temperature (1) HEA T mode → COOL mode Room temperature ] Desired temperature + 3 ° F or 3 minutes has passed (2) COOL mode → HEA T mode Room temperature [ Desired temperature - 3 ° F or 3 minutes ha[...]

20 9 TROUBLE SHOOTING 9-1. HOW TO CHECK THE P ARTS PMFY -P06NBMU-E PMFY -P08NBMU-E PMFY -P12NBMU-E PMFY -P15NBMU-E PMFY -P06NBMU-E 1 PMFY -P08NBMU-E 1 PMFY -P12NBMU-E 1 PMFY -P15NBMU-E 1 Parts name Check points Disconnect the connector then measure the resistance with a tester . (At the ambient temperature 50 ° F~86 ° F) Disconnect the connector [...]

21 4 [ 4 3 6 5 [ 3 2 [ 2 1 [ 1 [ 4 [ 3 [ 2 [ 1 Controller board Drive circuit Connector (CN60) DC12V Brown Red Blue Orange Y ellow White M 4 6 2 3 5 1 Blue Brown Y ellow Orange Red White Linear expansion valve Linear expansion valve 1 1 Operation summary of the linear expansion valve • Linear expansion valves open/close through the use of a stepp[...]

22 Output (Phase) Output { 1 1 ON { 2 ON { 3 OFF { 4 OFF 2 OFF ON ON OFF 3 OFF OFF ON ON 4 ON OFF OFF ON <Output pulse signal and the valve operation> 2 2 Linear expansion valve operation 3 3 T rouble shooting D A E B C Open Extra tightening (80~100pulse) Pulse number 2000 pulse Opening a valve all the way Close V alve position (capacity) Clo[...]

23 9-2. TROUBLESHOOTING Notes · High voltage is applied to the connecter (F AN) for the fan motor . Give attention to the service. · Do not pull out the connector (F AN) for the motor with the power supply on, doing so may result in damage to the board. Self check Conditions : The indoor fan does not rotate. T urn OFF the power supply . Wiring co[...]

24 9-3. FUNCTION OF DIP SWITCH PMFY -P·NBMU-E PMFY -P·NBMU-E 1 Switch Function Remarks <Initial setting> ON OFF 1 234 567 8 9 10 Address board Operation by switch ON OFF Pole Built-in remote controller Provided 2,500h Effective Fan operation at Heating mode Low w Setting air flow Effective Effective Filter clogging detection Filter cleaning[...]

25 0 5 9 4 8 3 7 2 6 1 0 5 9 4 8 3 7 2 6 1 0 5 9 4 8 3 7 2 6 1 0 5 9 4 8 3 7 2 6 1 0 8 F 7 E 6 D 5 C 4 B 3 A 2 9 1 0 8 F 7 E 6 D 5 C 4 B 3 A 2 9 1 220V (208V) 240V (230V) Rotary switch Rotary switch SW14 Connection No. setting SW5 V oltage Selection SW1 1 1st digit address setting SW12 2nd digit address setting 2 Address setting should be done when[...]

26 9-4. TEST POINT DIAGRAM PMFY -P06NBMU-E PMFY -P08NBMU-E PMFY -P12NBMU-E PMFY -P15NBMU-E PMFY -P06NBMU-E 1 PMFY -P08NBMU-E 1 PMFY -P12NBMU-E 1 PMFY -P15NBMU-E 1 LED1 Power supply (I.B) (Indoor unit : 208-230V) CNP Drain pump output (DP) Between 1 1 to 3 3 208-230V AC FUSE 6.3A 250V FA N Fan motor output (MF) CN2M Connect to the terminal block (TB[...]

27 DISASSEMBL Y PROCEDURE 10 OPERA TING PROCEDURE PHOTOS&ILLUSTRA TIONS 1. Removing the intake grille (1) Press the of the air intake grille.(See figure 1) (2) Put your fingers on both ends of the air intake grille and let it down after the grille clicks. PUSH Opening the air intake grille (1) Press the of air intake grille, and pull down both [...]

28 3. Removing the nozzle Note when the nozzle is removed. · The insulation material (white) which prevents water drop is mounted to the side of vane motor . Remove the insulation material before removing nozzle. (See figure 4) ·After completing the service, re-mount the insulation material as before as shown in right figure. ·After service, mou[...]

29 OPERA TING PROCEDURE PHOTOS&ILLUSTRA TIONS 5. Removing the drain pump (1) Remove the panel. (2) Unhook the claw in the middle of nozzle and remove the drain pan. (3) Remove the address board cover . (4) Remove the electrical parts cover . (5) Disconnect the connector of drain pump. (6) Remove the drain hose. (7) Remove the drain pump.(2 scre[...]

30 11 P ARTS LIST (non-RoHS compliant) P ANEL P ARTS FOR PMFY -P06NBMU-E PMFY -P08NBMU-E PMFY -P12NBMU-E PMFY -P15NBMU-E PMP-16BMU 1 2 3 4 5 6 7 8 9 10 11 1 2 2 2 1 1 1 2 1 2 1 AIR OUTLET GRILLE LATCH PANEL HOOK GRILLE CATCH L.L.FILTER L.L.FILTER INTAKE GRILLE GRILLE CATCH RECEIVER COVER MAGNET SCREW CAP No. Part No. Part Name Specification Q'[...]

31 FUNCTIONAL P ARTS PMFY -P06NBMU-E PMFY -P08NBMU-E PMFY -P12NBMU-E PMFY -P15NBMU-E 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 PMFY-P · NBMU-E TH21 TH22 TH23 LEV MV DS DP MF BEARING MOUNT SLEEVE BEARING LINE FLOW FAN STABILIZER ASSY VANE S[...]

32 ELECTRICAL P ARTS PMFY -P06NBMU-E PMFY -P08NBMU-E PMFY -P12NBMU-E PMFY -P15NBMU-E 1 2 3 4 5 6 TB2 TB5 TB15 A.B I.B TERMINAL BLOCK TERMINAL BLOCK TERMINAL BLOCK ADDRESS BOARD CABLE ASSY INDOOR CONTROLLER BOARD 3P (L1,L2,G) 3P (M1,M2,S) 2P(1,2) with POWER BOARD No. Part No. Part Name Specification Q'ty/set Remarks (Drawing No.) Wiring Diagram[...]

33 12 RoHS P ARTS LIST P ANEL P ARTS FOR PMFY -P06NBMU-E PMFY -P08NBMU-E PMFY -P12NBMU-E PMFY -P15NBMU-E PMFY -P06NBMU-E 1 PMFY -P08NBMU-E 1 PMFY -P12NBMU-E 1 PMFY -P15NBMU-E 1 PMP-16BMU 1 2 3 4 5 6 7 8 9 10 11 1 2 2 2 1 1 1 2 1 2 1 AIR OUTLET GRILLE LATCH PANEL HOOK GRILLE CATCH L.L.FILTER L.L.FILTER INTAKE GRILLE GRILLE CATCH RECEIVER COVER MAGNE[...]

34 FUNCTIONAL P ARTS PMFY -P06NBMU-E PMFY -P08NBMU-E PMFY -P12NBMU-E PMFY -P15NBMU-E PMFY -P06NBMU-E 1 PMFY -P08NBMU-E 1 PMFY -P12NBMU-E 1 PMFY -P15NBMU-E 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 PMFY- TH21 TH22 TH23 LEV MV DS DP MF MF B[...]

35 ELECTRICAL P ARTS PMFY -P06NBMU-E PMFY -P08NBMU-E PMFY -P12NBMU-E PMFY -P15NBMU-E PMFY -P06NBMU-E 1 PMFY -P08NBMU-E 1 PMFY -P12NBMU-E 1 PMFY -P15NBMU-E 1 1 2 3 4 5 6 7 TB2 TB5 TB15 A.B FUSE I.B I.B TERMINAL BLOCK TERMINAL BLOCK TERMINAL BLOCK ADDRESS BOARD CABLE ASSY FUSE INDOOR CONTROLLER BOARD INDOOR CONTROLLER BOARD 3P (L1,L2,G) 3P (M1,M2,S) [...]

HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO100-8310, JAP AN c Copyright 2005 MITSUBISHI ELECTRIC ENGINEERING CO., L TD. Distributed in Jul. 2007. No. OC341 REVISED EDITION-B PDF 9 Distributed in Aug. 2006. No. OC341 REVISED EDITION-A PDF 9 Distributed in Jun. 2005. No. OC341 PDF 10 Made in Japan New publication, effective Jul. 2[...]