Mitsubishi Electric PLFY-P18 - Manual

Page 2 - FEATURES; Models; Indoor Unit; Medium 2; AUTOMATIC AIR SPEED ADJUSTMENT MODE; TECHNICAL CHANGES

2 2 FEATURES 4. i-see Sensor (OPTIONAL CORNER PANEL) The i see sensor is a radiation temperature sensor originated from Mitsubishi’s new technology. In order to create a really comfortable space in shops and offices, it is essential to control the temperature near the floor where occupants/visitors ...

Page 3 - PART NAMES AND FUNCTIONS; Indoor unit; Operation Section; Wired remote controller

3 3 PART NAMES AND FUNCTIONS Drain pipe Filter Vane Gas pipe Liquid pipe Air outlet i-see sensor (option) Air intake (Intake grille) Indoor unit PAR-21MAA ON/OFF FILTER CHECK OPERATION CLEAR TEST TEMP. MENU BACK DAY MONITOR/SET CLOCK ON/OFF Operation Section Temperature setting buttons Down Up Timer...

Page 4 - °F°C; Display Section

4 ●● °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 Note: “PLEASE WAIT” messageThis message is displayed for approximately 3 minutes when power is supplied to the indoor unit or when the unit is recovering from a power ...

Page 5 - SPECIFICATIONS

5 4-1. SPECIFICATIONS 4 SPECIFICATIONS *1 Nominal cooling conditions Note: *2 Nominal heating conditions Unit converter Indoor : 80degF D.B. / 67degF W.B. kcal/h = kW × 860 (26.7degC D.B. / 19.4degC W.B.) 70degF D.B.(21.1degC D.B.) BTU/h = kW × 3,412 Outdoor : 95degF D.B. 47degF D.B. / 43degF W.B. c...

Page 9 - -WAY AIR FLOW SYSTEM; • For this grille, the blowout direction comes in 11 patterns.; • Correspondence of ceiling heights to numbers of air outlets

9 5 4-WAY AIR FLOW SYSTEM 5-1. PLACEMENT OF THE AIR OUTLETS • For this grille, the blowout direction comes in 11 patterns. Also, by setting the remote controller to the appropriate settings, you can adjust the air flow and speed. Select the settings from Table1 according to the location in which you...

Page 10 - Fresh air intake hole diagram; -2. BRANCH DUCT HOLE AND FRESH AIR INTAKE HOLE

10 CN51 Multiple remotecontroller adapterPAC-SA88HA-E Indoor controller board Distance between indoorcontroller board and relaymust be within 10m (33ft). Be sure to secure insulationmaterial by tape, etc. 5 Green Yellow Orange Connector (5P) Indoor unit side Multiple remotecontroller adapterPAC-SA88...

Page 11 - -4. FRESH AIR INTAKE AMOUNT & STATIC PRESSURE CHARACTERISTICS; How to read curves

11 2 - inlet 1 - inlet 2 - inlet 1 - inlet 2 - inlet 1 - inlet -200(-80) -150(-60) -100(-40) -50(-20) 0 50(20) 0 1 2 50 100 150 200 [CFM] 3 4 5 6[CMM] 2 - inlet 1 - inlet Air flow rate Static pressure [Pa(in.W.G. % 10 -2 )] -200(-80) -150(-60) -100(-40) -50(-20) 0 50(20) 0 1 2 50 100 150 200 [CFM] 3...

Page 12 - OUTLINES AND DIMENSIONS; In case of wireless remote controller; Detail drawing of fresh air intake hole

12 6 OUTLINES AND DIMENSIONS 14-27/32 11-3/16 2-3/8 +5 0 +35 -5 (187.5) (160) (160) (7.5) (950) (500) Keep 25/64(10) to 19/32(15)between unit ceiling and ceiling slab. Note:1. Please choose the Grille from a standard grille.2. As for drain pipe, please use VP-25 (O.D. : 1-1/4( : 32) PVC TUBE.) Drain...

Page 13 - WIRING DIAGRAM

13 WIRING DIAGRAM 7 PLFY-P12NBMU-E(R1) PLFY-P15NBMU-E(R1) PLFY-P18NBMU-E(R1)PLFY-P24NBMU-E(R1) PLFY-P30NBMU-E(R1) PLFY-P36NBMU-E(R1) CN27CN32CN51CN52 SW2SW3SW4SWE ZNR01,02 DSAFUSE X1 LED1LED2 MFMV DPFS TB2TB5TB15TH21 TH22 TH23 LEV SW1SW11SW12SW14 SWASWB SWC W.B RU BZLED1LED2 SW1SW2 POWER SUPPLYTRANS...

Page 14 - REFRIGERANT SYSTEM DIAGRAM; Gas pipe

14 8 REFRIGERANT SYSTEM DIAGRAM Refrigerant flow in coolingRefrigerant flow in heating Strainer (#100mesh) Strainer (#100mesh) Strainer1 (#50mesh)Strainer2 (#100mesh) Heat exchanger Room temparature thermistor TH21 Gas pipe thermistor TH23 Liquid pipe thermistor TH22 Linear expansion valve Gas pipe ...

Page 15 - MICROPROCESSOR CONTROL; NOTE; Type; To be continued on the next page.

15 MICROPROCESSOR CONTROL 9 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 CONTROL9-1. COOL OPERATION <How t...

Page 16 - Float switch control; From the preceding page.

16 → Control modes Control details 3-1. Drain pump control •Always drain pump 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), OFF the control after the drain pump ON for 3 minutes. ...

Page 20 - From the preceding page

20 → 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 22 - TROUBLESHOOTING

22 10 TROUBLESHOOTING 10-1. HOW TO CHECK THE PARTSPLFY-P12/15/18/24/30/36NBMU-E PLFY-P12/15/18/24/30/36NBMU-ER1 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 t...

Page 23 - Thermistor R; Linear expansion valve; Operation summary of the linear expansion valve

23 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 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 24 -

24 Output (Phase) Output { 1 1 ON { 2 ON { 3 OFF { 4 OFF 2 OFF ONON OFF 3 OFFOFF ONON 4 ON OFFOFF ON <Output pulse signal and the valve operation> 2 Linear expansion valve operation 3 Trouble shooting D A E B C Open Open Extra tightening (200~800 pulse) Pulse number Outdoor unit R410A model : ...

Page 27 - direction

27 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 Switch SWA Ceiling height selector SWB Discharge outlet number selector SWC Option selector Rotary switch Rotary switch SW14 Branch No. setting SW11 1s d...

Page 28 - Connector; The connector SWE is set to OFF after test run.; Setting for indoor unit

28 J41, J42 Wireless remote controller Pair No. SWE Test run for Drain pump Connector Jumper Drain pump and fan are activated simultaneously after the connectorSWE is set to ON and turn ON the power. The connector SWE is set to OFF after test run. <Initial setting> Pattern A <Initial settin...

Page 30 - SWA

30 10-3-2. Circuit board PLFY-P12NBMU-E(R1) PLFY-P15NBMU-E(R1) PLFY-P18NBMU-E(R1)PLFY-P24NBMU-E(R1) PLFY-P30NBMU-E(R1) PLFY-P36NBMU-E(R1) SW1 Function setting SWA Ceiling height selector SWB Discharge outlet number selector SW12 Address setting2nd digit SW11 Address setting1st digit SWC Option selec...

Page 31 - DISASSEMBLY PROCEDURE; OPERATING PROCEDURE; Removing the air intake grille; Photo 1

31 11 DISASSEMBLY PROCEDURE PLFY-P12NBMU-E(R1) PLFY-P15NBMU-E(R1) PLFY-P18NBMU-E(R1)PLFY-P24NBMU-E(R1) PLFY-P30NBMU-E(R1) PLFY-P36NBMU-E(R1) Be careful when removing heavy parts. OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 1. Removing the air intake grille (1) Slide the knob of air intake grille ...

Page 32 - Removing the panel; Figure 2; Detail; Photo 4

32 OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 7. Removing the panel (1) Remove the air intake grille and the filter. (See Figure 1)(2) Disconnect the connector CNV (White/20P). Corner panel (See Figure 2) (3) Remove the corner screw.(4) Slide the corner panel to the direction of the arrow 1 , an...

Page 33 - Photo 8; Drain pump; installed to the thin copper pipe.; Photo 7

33 OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 10 Removing the drain pump (DP) and float switch (FS) (1) Remove the drain pan. (See Photo 6)(2) Cut the hose band and remove the hose.(3) Remove the drain pump assembly (3 screws and 2 hooks).(4) Remove the drain pump (3 screws).(5) Remove the float...

Page 34 - Removing the heat exchanger; Coil support

34 OPERATING PROCEDURE PHOTOS & ILLUSTRATIONS 11. Removing the heat exchanger (1) Remove the drain pan. (See Photo 6)(2) Remove the 3 screws of the piping cover, and pull out piping cover. (3) Remove the 2 screws of coil plate.(4) Remove the 2 screws of the coil.(5) Remove the screw of the coil ...

Page 36 - TM

c Copyright 2007 MITSUBISHI ELECTRIC ENGINEERING CO., LTD. Distributed in Nov. 2008 No. OCH421 REVISED EDITION-A PDF 7Distributed in Jul. 2007 No. OCH421 PDF 9Made in Japan New publication, effective Nov. 2008Specifications subject to change without notice HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCH...

Mitsubishi Electric PLFY-P18 - Manual

Table of Contents:

Summary

Other Mitsubishi Electric Models