Mitsubishi Electric PDFY-P27NMU-E - Manual

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

1 - Inadequate connection and fastening may generate heat and cause a fire. • Prepare for typhoons and other strong winds and earthquakesand 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, el...

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; Indoor unit

3 PDFY-P06NMU-E PDFY-P08NMU-E PDFY-P12NMU-E PDFY-P15NMU-E PDFY-P18NMU-E PDFY-P24NMU-E PDFY-P27NMU-E PDFY-P30NMU-E PDFY-P36NMU-E PDFY-P48NMU-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 7.9 / 8.8 8.8 / 10.0 10.6 / 11.7 14.1 / 15.8 Ceiling Concealed Built-in Series PDFY Models Cooling...

Page 5 - Operation buttons; PART NAMES AND FUNCTIONS; Air outlet

4 ● ● ● Remote Indoor (Main) Unit 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 3-1. Specification PDFY-P-NMU-E PDFY-P-NMU-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]...

Page 9 - OUTLINES AND DIMENSIONS

8 123 mm(in.) mm(in.) F 10 E 65 When installing the drain water lifting-up mech(option). (option) 1 3 Suspension bolt hole 2 1 Fresh air intake ø 150(5-29/32)knock out hole 4- ø 3(1/8) Mounting hole Water filling port Control box ø172 Drain hose Liquid pipe <flare> Gas pipe <flare> 2 1 1...

Page 11 - WIRING DIAGRAM

10 WIRING DIAGRAM 5 CN2M ( ) ( ) CN3T NOTE 1 NOTE 1 S(SHIELD) G PARTS LOCATION AC250V 5A F (Green) (Red) (White) (Yellow) (Green) (Yellow) (Green) (Yellow) (White) (White) (White) (Blue) (White) (Blue) (Blue) (Red) (Red) (Red) (White) (Black) (White) (Red) (White) (Red) (White) (Green) (White) (Whit...

Page 13 - Gas pipe; Liquid pipe; Liquid pipe; REFRIGERANT SYSTEM DIAGRAM

12 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 PDFY-P06,08,12,15NMU-E PDFY-P18NMU-E Capacity Item ø 12.7(1/2) ø 12.7(1/2) R410A R22 Liquid pipe ø...

Page 14 - TROUBLE SHOOTING

13 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.(Sorrounding temperature 10˚ C~30˚ C[50˚F~86˚F]) Disconnect the connector and measure the res...

Page 15 - Thermistor R; Linear expansion valve; Operation summary of the linear expansion valve.

14 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 ø4 3 6 5 ø3 2 ø2 1 ø1 ø4 ø3 ø2 ø1 Controller board Drive circuit Connector(CN60) DC12V Brown Red Blue Orange Yellow White M 4 6 2 3 5 1 Blue Bro...

Page 16 -

15 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 19 - DISASSEMBLY PROCEDURE; Be careful removing heavy parts.; Removing the control box cover; OPERATING PROCEDURE; Removing the thermistor

18 (A) Fig.1 OPERATING PROCEDURE PHOTOS DISASSEMBLY PROCEDURE 8 8-1 CONTROL BOX Be careful removing heavy parts. 1.Removing the control box cover (1)Remove the fixing screws(two) of the cover(A) and remove the cover. (C) (D),(E) Fig.1 Fig.2 8-2 THERMISTOR (Liquid piping temperature detection) OPERAT...

Page 20 - Removing the thermistor and thermistor holder; Removing the drainpan

19 (F),(G) Fig.1 8-3 THERMISTOR (Intake air temperature detection) OPERATING PROCEDURE PHOTOS 1.Removing the thermistor and thermistor holder (1)Pull out the thermistor holder(F) and thermistor (G) which are fixed the control box. (H) 1 2 Fig.1 Fig.2 OPERATING PROCEDURE PHOTOS 8-4 DRAINPAN 1.Removin...

Page 22 - Removing the filter

21 (M) (N) (R) fan motor shaftfixing screw Fig.1 Fig.2 Fig.3 1 2 2 3 3 (P) (Q) OPERATING PROCEDURE PHOTOS 8-6 FAN and FAN MOTOR 1.Removing the filter (1)Press the tabs of the filter and remove the filter in the direction of the arrow 1 . 2.Removing the bottom plate (1)Remove the fixing screws (two) ...

Page 23 - Removing the drainpan with procedure 8-4

22 Fig.1 Fig.2 (S) OPERATING PROCEDURE PHOTOS 8-7 HEAT EXCHANGER 1.Removing the drainpan with procedure 8-4 2.Removing the cover(J) with procedure 8-5 3.Removing the Heat exchanger (1)Remove the fixing screws of the heat exchang- er(S) and remove the heat exchanger.

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 Electric PDFY-P27NMU-E - Manual

Table of Contents:

Summary

Other Mitsubishi Electric Models