Page 2 - PART NAMES AND FUNCTIONS; Indoor unit
2 1 PART NAMES AND FUNCTIONS Indoor unit Wireless remote controller ON/OFF TEMP FAN VANE TEST RUN AUTO STOP AUTO START h min LOUVER MODE CHECK RESET SET CLOCK MODEL SELECT NOT AVAILABLE CHECK TEST RUN °C AMPM AMPM °F VANE CONTROL button Used to change the air flow CLOCK button RESET button SET butto...
Page 3 - °F°C; Display Section
33 Wired remote controller °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 PAR-21MAA ON/OFF FILTER CHECK OPERATION CLEAR TEST TEMP. MENU BACK DAY MONITOR/SET CLOCK ON/OFF ● ● Display Section For purposes of this explanat...
Page 4 - SPECIFICATION
4 2.3 8,000 0.030.15 2.6 9,000 0.030.15 Note : Unit converter kcal/h = kW × 860Btu/h = kW × 3,412cfm = m 3 /min × 35.31 lb = kg/0.4536 *Above specification data is subject to rounding variation. Service Ref. Power sourceCooling capacity (Nominal) Heating capacity(Nominal ) External finishExternal di...
Page 6 - OUTLINES AND DIMENSIONS
6 OUTLINES AND DIMENSIONS 3 Detailed figure dwg (ABC) (Knockout hole) 5/32(4) 1-31/32(50) 3/32(2.5) 5/8(16) 1-11/32(34) 13/32(10) 13/32(10) 1-25/32(45) 5° 3° 31/32(24.4) 45° Knockout hole for left piping 2-1/8(54) 3-19/32(91.5) 1-25/32(45) 3/32(2.5) 5/8(16) 1-31/32(50) 13/32(10) Knockout holt for un...
Page 7 - WIRING DIAGRAM; Legend
7 WIRING DIAGRAM 4 Mark Meaning LED1 Main power supply Main power supply (indoor unit: 208-230V) power on lamp is lit Function LED on indoor board for service ON OFF 1 2 3 4 MODELS SW2 P06 ON OFF 1 2 3 4 MODELS SW2 P08 <Fig. 1> LED2 Power supply for MA-Remote controller Power supply for MA-Rem...
Page 8 - REFRIGERANT SYSTEM DIAGRAM; Gas pipe; Models
8 5 REFRIGERANT SYSTEM DIAGRAM Strainer (#100mesh) Strainer (#100mesh) Strainer (#100mesh) Heat exchanger Room temperature thermistorTH21 Gas pipe temperature thermistorTH23 Liquid pipe temperature thermistorTH22 Gas pipe Liquid pipe Flare Linear expansion valve Gas pipe PKFY-P06/08NBMU-E { 12.7 (1/...
Page 9 - MICROPROCESSOR CONTROL; NOTE
9 6 MICROPROCESSOR CONTROL 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 CONTROL6-1. COOL OPERATION <How to...
Page 12 - To be continued on the next page.; Type
12 Control modes Control details 1-1. Thermoregulating function (Function to prevent restarting for 3 minutes) • Room temperature desired temperature -2°F ···Thermo ON • Room temperature desired temperature ···Thermo OFF 1. Thermoregulating function Remarks 2-1. Hot adjust mode The fan controller be...
Page 13 - From the preceding page
13 → 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 changing the mode from exception of ...
Page 14 - TROUBLESHOOTING
14 TROUBLESHOOTING 7 7-1. HOW TO CHECK THE PARTSPKFY-P06NBMU-E PKFY-P08NBMU-E 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 then measure the resistance value with a tester. (Coil temperature ...
Page 15 - Thermistor R; Operation summary of the linear expansion valve
15 15 7-1-2. Liner expansion valve 7-1-1. Thermistor 4 Φ 4 3 6 5 Φ 3 2 Φ 2 1 Φ 1 Φ 4 Φ 3 Φ 2 Φ 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> Roo...
Page 16 -
16 6 5 4 3 2 1 LED 1k Ω Symptom Check points Operation circuit failure of the micro processor Disconnect the connector on the controller board, then con-nect LED for checking. When power is turned on, pulse signals will be output for 10 seconds. There must be some defects in the operation circuit if...
Page 17 - Fan operation at Heating mode; Models SW2
17 7-2. Function of Dip switch PKFY-P06NBMU-E PKFY-P08NBMU-E 123456789 10 1~6 12345678 Thermistor<Room temperature>position ON OFF Filter clogging detection Provide Not provide Filter cleaning sign 2,500 hr 100 hr Fresh air intake Not effective Not effective Switching remote controller display...
Page 18 - Ju; Wireless remote controller pair number:; Effective; Rotar
18 J41, J42 Wireless remote controller Pair No. Ju m p e r <Initial setting> Pattern A Setting pattern J41 J42 Indoor controller jumper wire Pair No. of wirelessremote controller Initial setting AB D C — Cut Cut — —— Cut Cut 01 3 2 — — — Pair No.4-9 of wireless remote controller is setting pat...
Page 21 - Figure 1; REMOVING THE FRONT PANEL; Photo 1; Front panel; Figure 3; Vane; Corner hole; PHOTOS & ILLUSTRATIONS; DISASSEMBLY PROCEDURE
1. REMOVING THE LOWER SIDE OF THE INDOOR UNIT FROM THE INSTALLATION PLATE When there is removing plate(1) Remove the corner box at right lower side of the indoor unit and remove the removing plate from the corner box. (Figure 3)(2) Insert the removing plate at the back side of the corner box to remo...
Page 22 - REMOVING THE INDOOR CONTROLLER BOARD AND; (3) Pull the nozzle assembly toward you as opening the catch; Photo 4
PHOTOS OPERATION PROCEDURE 22 3. REMOVING THE INDOOR CONTROLLER BOARD AND INDOOR POWER BOARD (1) Remove the front panel. (Refer to 2)(2) Remove the electrical box cover (screw 4 × 10). (Refer to the Photo 2) INDOOR CONTROLLER BOARD(1) Disconnect the following connectors on the indoor controller boar...
Page 23 - REMOVING THE NOZZLE ASSEMBLY AND DRAIN HOSE; upper left side and remove the corner box.; Photo 5; REMOVING THE LINE FLOW FAN AND THE FAN MOTOR; Photo 6; REMOVING THE VANE MOTOR; Photo 8; THERMISTOR; Photo 9
PHOTOS OPERATION PROCEDURE 23 5. REMOVING THE NOZZLE ASSEMBLY AND DRAIN HOSE (1) Remove the front panel (Refer to 2).(2) Remove the electrical box cover.(3) Disconnect the connector (CN5V) on the indoor controller board. (4) After unhook the right side of the corner box, press the upper left side an...
Page 24 - TM
TM Copyright 2009 MITSUBISHI ELECTRIC ENGINEERING CO., LTD. Distributed in Apr. 2009 No. OCH461 PDF 7Made in Japan New publication, effective Apr. 2009Specifications subject to change without notice HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU TOKYO 100-8310, JAPAN