Mitsubishi Electronics PL12FK1, PL18FK21, PL24FK21, PL30FK21, PL36FK31, PL42FK21 - page 59

OC194-59

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3P (L1,N,GR)

2P (1,2)

2P (1,2)

2P (1,2)

SGR-25 DTC

SGR-37 DTC

12+ 220V

8.5+ 220V

250V 6A

3P (L1,N,GR)

39ft

33ft

TB2

TB5

TB4

TB4,5

MF1

MF1

C1

C1

I.B

I.B

F1

TB12

T

DP

DS

TH2

TH1

R.B

R.B

No. Parts No. Parts Name Specifications

Drawing No.

Q'ty/set Price

Unit

Amount

Remarks

Circuit

Diagram

Symbol

Recom-

mended

Q'ty

PL

12

FK

FK1

18

FK2

FK21

24

FK2

FK21

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T7W 420 716

R01 556 246

R01 556 246

T7W E02 716

T7W 410 762

T7W 411 762

R01 K01 114

T7W 410 255

T7W 409 255

T7W 410 310

T7W E06 310

T7W 410 239

T7W 411 716

T7W A01 799

T7W 410 355

R01 K01 523

R01 K01 266

R01 K01 202

T7W 410 480

T7W 411 480

R01 K42 480

T7W 410 529

R01 K01 119

T7W E01 119

R01 J01 202

T7W 410 200

T7W E01 713

T7W 351 077

T7W E03 049

R01 L72 095

T7W 556 305

T7W A00 305

T7W 829 070

R01 08K 097

R01 K04 105

R01 005 533

R01 A48 524

TERMINAL BLOCK

TERMINAL BLOCK

TERMINAL BLOCK

TERMINAL BLOCK

FAN MOTOR

FAN MOTOR

TURBO FAN

FAN MOTOR CAPACITOR

FAN MOTOR CAPACITOR

INDOOR CONTROLLER BOARD

INDOOR CONTROLLER BOARD

FUSE

TERMINAL BLOCK

TRANSFORMER

DRAIN WATER LIFT-UP MECHANISM

DRAIN SOCKET

DRAIN SENSOR

PIPE TEMPERATURE THERMISTOR

HEAT EXCHANGER

HEAT EXCHANGER

HEAT EXCHANGER

DRAIN PAN

BELL MOUTH

BELL MOUTH

ROOM TEMPERATURE THERMISTOR

REMOTE CONTROLLER BOARD

REMOTE CONTROLLER BOARD

REMOTE CONTROLLER COVER

REMOTE CONTROLLER COVER

SCREW CAP

REMOTE CONTROLLER CABLE

REMOTE CONTROLLER CABLE

CONTROLLER CASE

SPL WASHER

RUBBER MOUNT

SENSOR HOLDER

DRAIN PLUG

RED: 15.5VAC, 0.3A

BRN: 11.0VAC, 0.6A

Part number that is circled is not shown in the figure.

Contents

Main 1TECHNICAL CHANGE Differences with OC001 which is a basic service manual. FEATURES 2 1. SPACE-SAVING CENTRALLY LOCATED CEILING RECESSED INSTALLATION 2. 4-WAY AIR FLOW SYSTEM 4. ADVANCED MICROPROCESSOR CONTROL Models Cooling capacity SEER 3PART NAMES AND FUNCTIONS Remote controller operation buttons Remote controller Operation lamp CENTRALLY CONTROLLED display F CLOCK display FAN SPEED display Remote controller display AIR DISCHARGE display 4SPECIFICATIONS MODELS : PL12FK1, PL18/24FK21 * MODELS : PL30FK21, PL36FK31, PL42FK21 5DATA MODELS : PL12FK1, PL18/24/30FK21, PL36FK31, PL42FK21 1. PERFORMANCE DATA 2) COOLING CAPACITY CORRECTIONS 1) COOLING CAPACITY OC194-9 2. PERFORMANCE CURVE NOTES :A point on the cur ve shows the reference point. <PL18FK2 3. CONDENSING PRESSURE AND SUCTION PRESSURE <PL12FK <PL24FK2 <PL30FK2 <PL36FK3 <PL42FK2 4. STANDARD OPERATION DATA 5. OPERATING RANGE Intake air temperature Indoor 1) POWER SUPPLY PL12FK 7. NOISE CRITERION CURVES 6.OUTLET AIR SPEED AND COVERAGE RANGE PL18FK2 PL24FK2 8. NOISE CRITERION CURVES PL42FK2 PL30FK2 PL36FK3 UNIT Page Page OC194-19 Unit :inch Unit : inch 2.Remote controller 7REFRIGERANT SYSTEM DIAGRAM PL30FK2 PL36FK3 PL42FK2 WIRING DIAGRAM8 MODELS PL12FK1PL18FK21PL24FK21WIRING DIAGRAM MODELS PL30FK21PL36FK31PL42FK21WIRING DIAGRAM 9 OPERATION FLOW-CHART MAIN OPERATION COOLING OPERATION DRY OPERATION MICROPROCESSOR CONTROL10 1.OUTLINE OF MICROPROCESSOR CONTROL 12VDC OUTPUT to outdoor unit INPUT from indoor unit 2. INDOOR UNIT CONTROL 2-1 COOL operation <COOL operation time chart> Page Page Page Page Page Page Page 3 DIP SWITCH FUNCTIONS 4 INDOOR FAN CONTROL 11 TROUBLESHOOTING 1.TROUBLES IN TEST RUN 2. SELF DIAGNOSTIC FUNCTION WITH REMOTE CONTROLLER (WIRED REMOTE CONTROLLER) Page 3.WRONG WIRING ON SITE 3-1 Between remote controller and indoor unit 3-2 Phenomenon due to wrong wiring between indoor and outdoor units 4. OTHER TROUBLES AND CAUSES 4. How to check the parts PL12FK1/18FK21/24FK21/30FK21/36FK31/42FK21 Vane motor Drain pump Drain sensor Fan motor Page 4-WAY AIR FLOW SYSTEM 12 Adjustment examples of discharge direction & air flow Selecting arrangement of discharge outlet and adjusting the width for PL12FK1/ 18/24FK21. Selecting arrangement of discharge outlet and adjusting the width for PL30FK21/ 36FK31/ 42FK21. FRESH AIR INTAKE (Installation at site) 1. Location for installing fresh air intake 2. Air flow & static pressure conditions for fresh air intake 3. Sequential operation method with duct fan. (Booster fan) BRANCH DUCT (installation at site) 1. Branch Duct Installation Procedure 2. Branch Duct Installation PL18FK21 PL24FK21 PL24FK2 3. Air flow & Static Pressure Characteristics of Branch Duct 4 direction discharge (11-13/16OO4 directions). 2 direction discharge (17-11/16OO2 directions). () PL30FK2 1/ 36FK31 PL42FK21 PLH42FK2 25-9/16OO2 directions 11-13/16OO2 directions 3 direction discharge () 35-7/16OO1 directions 11-13/16OO2 directions 13 SYSTEM CONTROL 1.VARIETY OF SYSTEM CONTROL FUNCTIONS 2. GROUP CONTROL BY A SINGLE REMOTE CONTROLLER 2-1 How to wire 2-2 How to set unit-address 2-3 Unit control 3. CONTROL USING TWO REMOTE CONTROLLERS 4. REMOTE ON-OFF AND INDIVIDUAL REMOTE CONTROLS 5. INDIVIDUAL CONTROL BY GROUPING THE REMOTE CONTROLLERS 6. MULTIPLE REMOTE CONTROL DISPLAY 8.TIMER OPERATION OR THE OPERATION BY AN EXTERNAL SIGNAL <Wiring> Remote controller GL-3 DISASSEMBLY PROCEDURE14 OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS Photo 4 Photo 2 Indoor unit (PL24FK2 OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS Photo 5 Photo 9 Photo 7 Photo 8 15 PARTS LIST PL12FK, PL18FK2, PL24FK2 PANEL PARTS PL12FK1, PL18FK21, PL24FK21 PL12FK, PL18FK2, PL24FK2 FUNCTIONAL PARTS PL12FK1, PL18FK21, PL24FK21 Page PL30FK2, PL36FK3, PL42FK2 FUNCTIONAL PARTS PL30FK21, PL36FK31, PL42FK21 Page PL30FK2, PL36FK3, PL42FK2 PANEL PARTS PL30FK21, PL36FK31, PL42FK21 OPTIONAL PARTS 16 1.TIMER 1-4 Names and functions <PAC-SC32PTA> WEEKLY TIMER SETTING DISPLAY CURRENT TIME DISPLAY SET BACK DISPLAY DAILY TIMER SETTING DISPLAY SET BACK SETTING SW 3. MULTIPLE REMOTE CONTROLLER ADAPTER 5. HIGH EFFICIENCY FILTER ELEMENT 6. AIR OUTLET SHUTTER PLATE 4. MULTI FUNCTION CASEMENT (For HIGH EFFICIENCY FILTER AND FRESH AIR INTAKE) 2.TIMER ADAPTER