Mitsubishi PFFY-NEMU-A- User Manual

Page 2 - SAFETY PRECAUTIONS; Before installation and electric work; Symbols used in the text; Carefully read the labels affixed to the main unit.

1 SAFETY PRECAUTIONS and install the unit at the specified place. - Improper installation may cause the unit to topple and result in injury. • Always use an air cleaner, humidifier, electric heater, and otheraccessories specified by Mitsubishi Electric. - Ask an authorized technician to install the ...

Page 3 - Precautions for devices that use

2 2. Precautions for devices that use Caution: • Do not use the existing refrigerant piping. - The old refrigerant and refrigerator oil in the existing piping con- tains a large amount of chlorine which may cause the refrigeratoroil of the new unit to deteriorate. • Use refrigerant piping made of C1...

Page 4 - Models; FEATURES; Concealed type

3 PFFY-P06NEMU-E,PFFY-P06NRMU-E PFFY-P08NEMU-E,PFFY-P08NRMU-E PFFY-P12NEMU-E,PFFY-P12NRMU-E PFFY-P15NEMU-E,PFFY-P15NRMU-E PFFY-P18NEMU-E,PFFY-P18NRMU-E PFFY-P24NEMU-E,PFFY-P24NRMU-E 1.8 / 2.0 2.3 / 2.6 3.5 / 4.0 4.4 / 5.0 5.3 / 5.9 7.0 / 7.9 Floor Standing Type Series PFFY Models Cooling capacity/He...

Page 5 - Remote controller; PART NAMES AND FUNCTIONS; Exposed type

4 ● Indoor (Main) Unit ● Remote controller [Operation buttons] [PAR-21MAA] ● Once the controls are set, the same operation mode can be repeated by simply pressing the ON/OFF button. 1 [Set Temperature] Button 2 [Timer Menu] Button[Monitor/Set] Button 3 [Mode] Button[Return] Button 4 [Timer On/Off] B...

Page 7 - SPECIFICATION

6 PFFY-P-NEMU-E PFFY-P-NRMU-E Notes: *1 Cooling/Heating capacity indicates the maximum value at operation under the following condition. Cooling: Indoor: 26.7 ˚ C [80 ˚F] DB/19.4 ˚ C [67 ˚F] WB Outdoor: 35 ˚C [95 ˚ F] DB Heating: Indoor: 21.1 ˚C [7 0 ˚F] DB Outdoor: 8.3 ˚ C [47 ˚F] DB/6.1 ˚C [ 43 ˚F...

Page 9 - OUTLINES AND DIMENSIONS

8 Air inlet Air outlet mm(in.) Floor mounting hole pitch PFFY -P06NEMU-E PFFY -P08NEMU-E PFFY -P12NEMU-E PFFY -P15NEMU-E PFFY -P18NEMU-E PFFY -P24NEMU-E Gas pipe <flare> Liquid pipe <flare> Air filter Drain pan Strainer Drain hose(accessory) Piping space W all mounting hole Floor mountin...

Page 11 - WIRING DIAGRAM

10 PFFY-P06·08·12·15·18·24NRMU(NEMU)-E WIRING DIAGRAM 5 ( ) PARTS LOCATION INSIDE SECTION OF CONTR OL BO X AC250V 6.3A T CN22 CN27 CN25 CN24 CN23 531 FAN2 SW14 (Connection No.) SW12 (2nd digit) SW11 (1st digit) F LED2 LED1 CN32 CN52 CN51 CN41 SW7 1 2 1 3 CN3A CN31 1 2 2 1 I.B. CN2M FAN3 CND CNT CN60...

Page 12 - Liquid pipe; REFRIGERANT SYSTEM DIAGRAM

11 Strainer (#100mesh) Strainer (#100mesh) Heat exchanger Room temparature thermistor TH21 Gas pipe thermistor TH23 Liquid pipe thermistor TH22 Linear expansion valve Gas pipe Flare connection Gas pipe PEFY-P06,08,12,15NEMU-EPEFY-P06,08,12,15NRMU-E Capacity Item ø 12.7(1/2) ø 12.7(1/2) R410A R22 Liq...

Page 13 - TROUBLE SHOOTING

12 Room temparaturethermistor (TH21) Liquid pipe thermistor (TH22) Gas pipe thermistor (TH23) Transformer Fan motor Linear expansionvalve Disconnect the connector, then measure the resistance using a tester.(Surrounding temperature 10 ° C~30 ° C[50 ° F~86 ° F]) Disconnect the connector and measure t...

Page 14 - Thermistor R; Linear expansion valve; Operation summary of the linear expansion valve.

13 0 10 20 30 40 50 -20 -10 0 10 20 30 40 50 < Thermistor for lower temperature > Temperature (˚C) -4 14 32 50 68 86 104 122 [˚F] Resistance (k Ω ) 4 ø 4 3 6 5 ø 3 2 ø 2 1 ø 1 ø 4 ø 3 ø 2 ø 1 Controller board Drive circuit Connector(CN60) DC12V Brown Red Blue Orange Yellow White M 4 6 2 3 5 1 ...

Page 15 -

14 Output (Phase) Output ø 1 1 ON ø 2 ON ø 3 OFF ø 4 OFF 2 OFF ON ON OFF 3 OFF OFF ON ON 4 ON OFF OFF ON <Output pulse signal and the valve operation> ➁ Linear expansion valve operation ➂ Trouble shooting D A E B C Open Extra tightning (80~100pulse) Pulse number 2000 pulseOpening a valveall th...

Page 16 - Make sure that power source is turning off.; Indoor unit control board; ) Indoor unit address setting rule is different by each field work.; Indoor unit do not run without address setting in field.

15 CN62 SW1 SW7 ON ON ON W254665G06 JP2 SW14 FP-AD-R CN82 6 8 1 1 240V 220V 1 1 0 1 12 ASSY 2 3 4 5 6 7 8 9 10 2 1 3 4 5 6 7 8 9 G 2 3 1 1 O F F 2 3 3 A B C D E F 10 JP1 SW5 SWC SWA 1 3 2 SW12 SW11 01 23 4 5 6 7 8 9A B C D E F 0 1 2 3 45 6 7 8 9 0 1 2 3 45 6 7 8 9 7-2. Setting of address switch Make...

Page 17 - the; unit

16 1 2 3 4 5 6 7 8 9 10 1~6 1 2 3 4 5 6 7 8 1~4 Thermistor<Intake temperaturedetection>position ON OFF Filter crogging detection Provided Not provided Filter life 2,500hr 100hr Air intake Effective Not effective Remote indication switching Thermostat ON signal indication Fan output indication ...

Page 18 - DISASSEMBLY PROCEDURE; Be careful removing heavy parts.; OPERATING PROCEDURE

17 (A) (B) Fig.1 Fig.2 (A) Fig.3 DISASSEMBLY PROCEDURE 8 8-1 CONTROL BOX (Exposed type PFFY-NEMU) Be careful removing heavy parts. 1.Removing the front panel (A) (1)Remove the fixing screws(two) of the front panel(A).(Fig.1) (2)Hold the bottom of the front panel with your hands,and gently lift it. T...

Page 19 - Removing the side casing; Removing the thermistor

18 (D) (C) (E) (F) Fig.1 Fig.2 Fig.3 Fig.4 (A) (B) (B) 8-2 THERMISTOR (Gas and liquid piping temperature detection) 1.Removing the side casing (1)Open the control panel cover(A), remove the fixing screws(two) of the securing cover. (Fig. 1) (2)Pull up the side casing(B). (Fig. 2) OPERATING PROCEDURE...

Page 20 - Thermistor; Removing the drainpan; Removing the thermistor; PHOTOS

19 Thermistor Fig.1 Fig.1 Fig.2 ➀ OPERATING PROCEDURE PHOTOS 1.Removing the drainpan (1)Remove the fixing screw of the side frame by the control box. (Fig. 1) (2)Slide the drainpan in the direction of the arrow ➀ . 8-4 DRAINPAN 1.Removing the thermistor (1)Remove the thermistor under the control box...

Page 22 - Removing the casing

21 Fig.1 Fig.2 Fig.3 Cover 1 Cover 2 OPERATING PROCEDURE PHOTOS 8-6 HEAT EXCHANGER 1.Removing the casing (1)Remove the fixing screws(six) and remove the casing. (Fig. 1) 2.Removing the cover1,2 with procedure 8-2 (Fig. 2) 3.Removing the Heat exchanger (1)Remove the fixing screws(four) and remove the...

Page 23 - Removing the casing ass’y

22 Fig.1 Fig.2 Fig.3 (A) (B) OPERATING PROCEDURE PHOTOS 8-7 CASING (Concealed type PFFY-NRMU) 1.Removing the casing ass’y (1)Remove the fixing screws (nine) of the plate(A) and remove the plate. (Fig. 1) 2.Removing the air diffuser ass’y (1)Remove the fixing screws (eight) of the air diffuser ass’y(...

Page 25 - 400 Lawrenceville Suwanee Road; Specifications are subject to change without notice.

3400 Lawrenceville Suwanee Road ● Suwanee, Georgia 30024 Toll Free: 800-433-4822 ● Toll Free Fax: 800-889-9904 www.mrslim.com Specifications are subject to change without notice.

Mitsubishi PFFY-NEMU-A- User Manual

Table of Contents:

Summary

Other Mitsubishi Models