Page 2 - INSTALLATION : FAST AND ENDLESSLY ADAPTABLE; Indoor unit; Models; INDOOR CONTROLLER BOARD has changed.
2 1 TECHNICAL CHANGE 2 FEATURES 1. COMPACT DESIGN The PKH series models have been downsized and now require such minimal wall space that they can even be installedabove windows. For the PKH-FK3, 14.5in of wall space between the ceiling and the window allows “above window”installation. 2. AUTO FLAP S...
Page 3 - ADVANCED MICROPROCESSOR; ) Self-Diagnostic Feature Indicates Instantly
3 4. ADVANCED MICROPROCESSOR (1) Easy to Use Microprocessor 1) Ultra-Thin Remote Controller The streamlined, wide controller is designed toblend with any kind of interior and the adoption ofa sophisticated microprocessor allows you tocarry out a wide range of operations easily. 2) Attractive Liquid ...
Page 4 - ) instead of R-22 before shipment from the
4 6. HIGH RELIABILITY AND EASY SERVICING In addition to the self-diagnostic function, units are also equipped with a 3-minute time delay mechanism (cooling), an auto restart function, an emergency operation function, a test run switch, etc., to assure high reliability and easy servicing. 7. FOUR-WAY...
Page 5 - PART NAMES AND FUNCTIONS; Remote controller operation buttons; FILTER button; Remote controller
5 PART NAMES AND FUNCTIONS 3 Remote controller operation buttons TIMER OFF TIMER CHECK SET TEMP. DRY COOLAUTO HEAT CLOCK AUTO AUTO START STOP MODE TIMER ON/OFF CLOCK/TIMER FAN SPEED AIR DISCHARGE FILTER CHECK TEST RUN AIR SWEEP SET TEMP. TIMER SET F FANSPEED SWING AUTO RETURN REMOTE CONTROLLER FILTE...
Page 6 - Caution; TEMP button do not operate.; Remote controller display
6 TIMER OFF TIMER CHECK SET TEMP. DRY COOLAUTO HEAT CLOCK AUTO AUTO START STOP MODE TIMER ON/OFF CLOCK/TIMER FAN SPEED AIR DISCHARGE FILTER CHECK TEST RUN AIR SWEEP SET TEMP. TIMER SET F FANSPEED SWING AUTO RETURN REMOTE CONTROLLER Operation lamp This lamp lights during operation,goes off when the u...
Page 7 - SPECIFICATIONS
7 SPECIFICATIONS 4 48 -41 Capacity Moisture removal PowerConsumption EERSEERHSPF COP INDOOR UNIT MODELSExternal finishPower supplyMax.fuse size (time delay)Min.ampacityFan motorBooster heater Airflow Hi-Lo Sound level Hi-LoUnit drain pipe O.D. Dimensions WeightOUTDOOR UNIT MODELSExternal finishPower...
Page 8 - DATA
8 5 DATA Models Models Outdoor intake air DB temperature(˚F) PKH18FK3 71 67 63 62.5 60 59 71 67 63 62.5 60 59 71 67 63 62.5 60 59 71 67 63 62.5 60 59 TC 21.0 19.5 18.2 18.1 17.2 16.8 27.9 26.1 24.3 24.1 23.0 22.5 34.9 32.6 30.4 30.2 28.8 28.2 39.8 37.1 34.7 34.4 32.8 32.2 SHC 14.4 16.0 17.4 15.5 15....
Page 10 - NOTES : A point on the curve shows the reference point.; COOLING CAPACITY
10 SHF=0.71 Does not include booster heater (1.9kW) T otal power consumption (kW) T otal capacity (x10 3 Btu/h) 30 35 24 18 12 3.0 2.5 2.0 1.5 15 25 35 45 55 65 T otal power consumption (kW) T otal capacity (x10 3 Btu/h) Outdoor intake air DB temperature ( F) Outdoor intake air WB temperature ( F) 3...
Page 12 - CONDENSING PRESSURE AND SUCTION PRESSURE; COOLING MODE
12 3. CONDENSING PRESSURE AND SUCTION PRESSURE Data is based on the condition under indoor humidity 50%.Air flow should be set at HI.A point on the curve shows the reference point. <PKH18FK3> Data is based on the condition under outdoor humidity 75%.A point on the curve shows the reference poi...
Page 16 - STANDARD OPERATION DATA; Electrical circuit
16 4. STANDARD OPERATION DATA Models Item Electrical circuit Refrigerant circuit Indoor side Outdoor side Voltage Frequency Total input Indoor fan current Booster heater current Outdoor fan current Comp. current Condensing pressure Suction pressure Discharge temperature Condensing temperature Suctio...
Page 17 - * With wind baffle DB 23; OUTLET AIR SPEED AND COVERAGE RANGE
17 Condition Standard temperature Maximum temperature Minimum temperature Maximum humidity Standard temperature Maximum temperature Minimum temperature 80 95 67 80 70 80 70 67 71 57 75 60 67 60 95 115 *0 80 47 75 17 * With wind baffle DB 23 ° F if on wind baffle. 75 — — 75 43 65 15 Function Cooling ...
Page 18 - NOISE CRITERION CURVES; OCT
18 8. NOISE CRITERION CURVES 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATETHRESHOLD OFHEARING FORCONTINUOUSNOISE NC-60 NC-50 NC-40 NC-30 NC-20 NC-70 OCT A VE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR BAND CENTER FREQUENCIES, Hz Hi NOTCH Lo 49 SPL(dB) 44 LINE 90 80...
Page 19 - OUTLINES AND DIMENSIONS
19 OUTLINES AND DIMENSIONS 6 9-1/4 1-25/32 9-1/4 1-25/32 9-1/4 9-1/4 1-25/32 1/2 13-3/8 7-3/4 1-21/32 2-9/32 Top Front Right side Left side 55-1/8 42-15/16 Air intake 9-1/4 C Knock out hole for right piping Refrigerant pipe. Drain pipe Knock out hole for left piping Drain hose for left-hand side pip...
Page 21 - REFRIGERANT SYSTEM DIAGRAM; COOLING
21 Unit : inch Remote controller FILTER CHECK MODE TEST RUN TIMER OFF TIMER CHECK SET TEMP. CLOCK AUTO AUTO START STOP SWING FANSPEED 5-1/8 4-3/4 3/4 3/32 23/32 AUTO RETURN Pipe temperaturethermistor / Liquid(RT2) Distributor Restrictorvalve Capillary tube PKH18FK3 : ( { 0.126x { 0.071x19.7) Refrige...
Page 22 - WIRING DIAGRAM; MF
22 8 WIRING DIAGRAM MODELS PKH18FK3, PKH24FK3, PKH30FK3, PKH36FK3 WIRING DIAGRAM GR L1L2 POWER SUPPLY~(1PHASE)AC208/230V 60Hz GROUND 3 NOTES:1.Since the indoor fan motor(MF)is connected with 230V power, if 208V power is used, change the dip switch(SW8)on the indoor controller board as shown in fig:*...
Page 23 - MAIN OPERATION
23 OPERATION FLOW-CHART 9 START Power circuit breaker Check SW ON twice Operation SW ON “OFF” timer “ON” timer STOP Set time complete Set time complete 1 NO NO NO NO NO NO NO NO NO NO NO NO YES YES YES YES YES YES YES YES YES YES YES YES w 1 w 2 w 3 w 4 w 5 w 7 w 6 PROTECTION DEVICE SELF HOLD RELEAS...
Page 24 - COOLING OPERATION; during auto vane SWING, the auto vane will continue to swing.
24 COOL operation Four-way valve/OFF Initial COOLING NO NO NO NO NO YES YES YES YES YES YES NO YES YES YES YES YES YES YES YES YES YES YES NO NO NO NO YES NO NO NO NO NO NO NO NO NO w 8 w 9 Vane initial setting Vane 55 deg downward angle 70 deg downward angle Fan speed LOW Downward discharge 1 hour ...
Page 25 - It is not possible to set the fan speed with the remote controller.; DRY OPERATION
25 w 8—9 Refer to page OC273-24. w 12 When room temperature is 64°F or below, the compressor cannot operate.When room temperature rises over 64°F the compressor starts after a 3-minute time delay. w 13 Compressor ON time is decided by room temperature. Refer to page OC273-32. w 14 In dry operation, ...
Page 26 - HEATING OPERATION; 5 ( i ) Until Low airflow is set while in hot adjustment
26 Heat operation initial HEATING Vane setting notch Vane initial setting defrosting Heating area Defrost release Defrost 30 min. elapse Outdoor unit trouble Four-way valve ON Hot adjust in process Compressor ON Compressor thermostat ON Allowance cancel Indoor piping 5 ° F or lower Outdoor unit trou...
Page 27 - MICROPROCESSOR CONTROL; OUTLINE OF MICROPROCESSOR CONTROL; OUTPUT to outdoor unit
27 MICROPROCESSOR CONTROL 10 ● Compressor and outdoor fan : ON-OFF ● Operation mode change :COOL-HEAT. 1. OUTLINE OF MICROPROCESSOR CONTROL ● OFF-ON switching. ● COOL/DRY-AUTO-HEAT selector switching. ● Thermostat setting. ● TIMER mode selector-switching and Timer setting. ● HIGH-LOW fan speed switc...
Page 28 - INDOOR UNIT CONTROL
28 Minimum 3 minutes 1 ON Thermostat Indoor fan Auto vane Booster heater Compressor ON LOW or HIGH Initially 10 ° (Changeable by remote controller setting) LOW or HIGH ON ON OFF OFF CLOSE CLOSE OFF OFF OFF Operation starts byO N / O F F b u t t o nON. Operation stops byO N / O F F b u t t o nOFF. Th...
Page 30 - Changes by pressing the AIR DISCHARGE button.
30 (3) Auto vane control Auto vane position is set to 10 degrees airflow at the start-up of COOL operation. It can then be changed by the remotecontroller. (a) Vane position set mode & swing mode.( i ) Every time AIR DISCHARGE button is pressed, setting will be changed .( ii ) Airflow direction ...
Page 31 - (4) Detecting abnormalities in the outdoor unit; RANGE A
31 (4) Detecting abnormalities in the outdoor unit After the compressor has been continuously operated for 3 minutes, if the difference between the indoor coil temperatureand room temperature is out of RANGE C for 1 minute, the indoor fan speed will turn to LOW. Five minutes later, if the dif-ferenc...
Page 32 - NOTE: The set temperature changes 2°F when the SET TEMP.
32 <DRY operation time chart> Minimum 3 minutes w 1 ON Thermostat Indoor fan Auto vane Booster heater Compressor ON DRY MODE DRY MODE ON ON OFF OFF ON OFF OFF OFF OFF Operation starts byP O W E R b u t t o nON. Operation stops byP O W E R b u t t o nOFF. Room temperaturebecomes equal toset tem...
Page 36 - (5) Detecting abnormalities in the outdoor unit
36 (3) Auto vane control Auto vane position is set to 70 degrees airflow at the start-up of HEAT operation.(a) Vane position set mode & swing mode.( i ) Every time AIR DISCHARGE button is pressed, setting will be changed .( ii ) Airflow direction can be changed with AIR DISCHARGE button. NOTE : ...
Page 37 - (6) Indoor coil temperature abnormality detection
37 (6) Indoor coil temperature abnormality detection An abnormality can be detected during compressor ON, except for the following. ● For the first 30 minutes after the temperature difference between the indoor coil temperature and room temperature enters the RANGE C. ● When the temperature differen...
Page 38 - When AUTO operation starts after unit OFF.; In case of the wind baffle installed.; “AUTOMATIC” works to change by itself the operation
38 2-4 AUTO operation (Automatic COOL/HEAT change over operation) (1) Initial mode 1 When AUTO operation starts after unit OFF. ● If the room temperature is higher than the set temperature, operation starts in COOL mode. ● If the room temperature is equal to or lower than the set temperature, operat...
Page 39 - -5 Auto vane control
39 <How to operate>To change the air flow direction, press AIR DISCHARGE button. (1) COOL/DRY operation At the start-up of COOL or DRY operation, the discharge direction in automatically set to 10°. After, it can be changed toanother direction with AIR DISCHARGE button on the remote controller...
Page 41 - -8 Emergency operation
41 (1) Indoor coil temperature code During the test run, the indoor coil temperature code from 1 to 15 is displayed on the remote controller instead of roomtemperature. The code should fall with the lapse of time in normal COOL operation, and should rise in normal HEAToperation. (2) Trouble during t...
Page 42 - -9 Dip switch functions; Each figure shows the initial factory setting.
42 2-9 Dip switch functions Each figure shows the initial factory setting. (1). On remote controller board 1. SW17(Address selector) SW17-1~6) For address settingSW17-7) When two remote controllers are used,this switch sets the controller function. OFF:The remote controller is set as a main controll...
Page 43 - -10 INDOOR FAN CONTROL; ON: For 208V power supply
43 2-10 INDOOR FAN CONTROL Indoor fan relay output.(a) During fan ON The indoor fan relay turns ON. One second later, the phase control will start. (b) During fan OFF The phase control turns OFF. One second later, the indoor fan relay will turn OFF. 3. SW3 (Emergency operation switch) 1 2 Normal ope...
Page 44 - TROUBLESHOOTING; TROUBLES IN TEST RUN
44 11 TROUBLESHOOTING The display “CENTRALLYCONTROLLED” on remotecontroller does not disap-pear. 1) Wrong address setting of remote con- troller/indoor controller board. 2) Timer adapter is connected to the remote controller. 3) Signal transmission error between indoor unit and remote controller. 1)...
Page 47 - WRONG WIRING ON SITE; -1 Between remote controller and indoor unit
47 3. WRONG WIRING ON SITE 3-1 Between remote controller and indoor unit If the wire is disconnected between the remote controller and the indoor unit, nothing is displayed on the remote controllerwhen the POWER button is pressed. The beep sound will also not be heard. 3-2 Phenomenon due to wrong wi...
Page 48 - OTHER TROUBLES AND CAUSES; “CENTRALLY CONTROLLED” is displayed.
48 Vanes do not work. Vane motor does not work.Connector is poorly connected.Vane motor is poorly assembled.Indoor controller board is damaged. Unit stops after 5 to20 seconds operation Protection function is working. Air discharge displayis OFF and AIR DIS-CHARGE button doesnot operate. Indoor cont...
Page 49 - HOW TO CHECK THE PARTS; Normal; Opening and closing temperature of protector.
49 5. HOW TO CHECK THE PARTS Room temperaturethermistor (RT1)Pipe temperaturethermistor (RT2) Fan motor (MF) Disconnect the connector, then measure the resistance using a tester.(Surrounding temperature 50°F to 86°F) Measure the resistance between the terminals using a tester.(Surrounding temperatur...
Page 50 - SYSTEM CONTROL; VARIETY OF SYSTEM CONTROL FUNCTIONS
50 12 SYSTEM CONTROL 1. VARIETY OF SYSTEM CONTROL FUNCTIONS Unit Remote controldisplay board Remotecontroller Unit Unit Two remote controllers can be used to control either oneunit or a group of units. Units can then be controlled froma distance or at close range. Units operate according tothe lates...
Page 51 - GROUP CONTROL WITH A SINGLE REMOTE CONTROLLER; Figure 2; Figure 1
51 2. GROUP CONTROL WITH A SINGLE REMOTE CONTROLLER A maximum of 50 units can be started in order according to the dip switch settings 2-1 How to wire (1) Connect the remote controller to the double terminal block on the indoor controller board of the master unit (No.0 unit).(See Figure 1.) (2) Conn...
Page 52 - CONTROL USING TWO REMOTE CONTROLLERS; -2 Remote controller LCD indication; (1) The same indications always appear on both the; REMOTE ON-OFF AND INDIVIDUAL REMOTE CONTROLS; Figure 4; Figure 5; Figure 6
52 3. CONTROL USING TWO REMOTE CONTROLLERS Two remote controllers can be used to control either one unit or a group of units. Units operate according to the latest com-mand from either of the two remote controllers.Before operation, be sure to set one remote controller as the “main controller” and t...
Page 53 - -3 Switch function of remote ON-OFF switch; INDIVIDUAL CONTROL BY GROUPING THE REMOTE CONTROLLERS
53 NOTE1 : Install the relay box where it can be serviced easily.NOTE2 : For control circuit wiring, use a wire of No. 14 AWG or a control cable according to the power supply of control circuit. NOTE3 : When the power supply of the control circuit is 208/230V AC, ● Do not connect the control circuit...
Page 54 - MULTIPLE REMOTE CONTROL DISPLAY; indoor controller board.; AUTO RESTART FUNCTION; Indoor controller board; TIMER OPERATION OR THE OPERATION BY AN EXTERNAL SIGNAL
54 6. MULTIPLE REMOTE CONTROL DISPLAY You can control several units with a multiple remote control display, bywiring an optional multiple display adapter (PAC-SA88HA-E) with relaysand lamps on the market.How to wire (1) Connect the multiple display adapter to the connector CN51 on the indoor control...
Page 55 - DISASSEMBLY PROCEDURE; OPERATING PROCEDURE; Removing the lower side of the indoor unit from the instal-; Removing the indoor controller board
55 DISASSEMBLY PROCEDURE 13 OPERATING PROCEDURE PHOTOS&ILLUSTRATION Metal fixture Screws 1. Removing the lower side of the indoor unit from the instal- lation plate(1) Remove the 2 screws. Hang the indoor unit hangers to the catches on the instal-lation plate. Hanger of indoor unit Catch of inst...
Page 56 - Removing the vane motor; Photo 6
56 OPERATING PROCEDURE PHOTOS&ILLUSTRATION (8) Remove the screws of the indoor controller board case, and pull out the indoor controller board case. Then the transformer and the capacitor and relay can beserviced. 5. Removing the vane motor (1) Remove the right side panel. (2) Remove the screw o...
Page 57 - Removing the line flow fan and the fan motor; Photo 9
57 OPERATING PROCEDURE PHOTOS 8. Removing the line flow fan and the fan motor (1) Remove the left and right side panels. (2) Remove the grilles. (3) Remove the electrical box. (4) Remove the drain pan. (5) Loosen the screw that fixes the line flow fan to the fan motor. (See Photo 7. ) (6) Remove the...
Page 58 - PARTS LIST; ELECTRICAL PARTS
58 14 PARTS LIST No. Parts No. Parts Name Including Restrictor valve • Capillary tube Including Restrictor valve • Capillary tubeIncluding Restrictor valve • Capillary tubeIncluding Restrictor valve • Capillary tube w Restrictor valve and capillary tube have been added to "Specifications" of...
Page 60 - Part numbers that is circled is not shown in the figure.
60 No. Parts No. Parts Name Specifications Remarks (Drawing No.) Wiring Diagram Symbol Q'ty / set PKH Part numbers that is circled is not shown in the figure. 1 2 3 4 5 6 7 8 9 10 R01 12G 662 R01 E01 812 R01 E00 812 R01 E00 811 R01 E01 811 R01 A17 500 R01 12G 661 R01 12G 691 R01 12G 808 R01 16G 808 ...
Page 61 - OPTIONAL PARTS; -2 Feature of program timer; -3 How to connect program timer
61 OPTIONAL PARTS 15 1-2 Feature of program timer (1) Daily timer function Daily timer can be set in 30 minutes units for up to 24 hours.Each unit can be set for unit ON, unit OFF, or setback operation. (2) Setback operation (PAC-SC32PT) Set back operation is useful for reducing running costse.g. At...
Page 62 - -4 Names and functions; WEEKLY TIMER SETTING DISPLAY; CURRENT TIME DISPLAY
62 1-4 Names and functions <PAC-SC32PTA> WEEKLY TIMER SETTING DISPLAY Sets timer for a week. SET/MONITOR SET S M T W T F S MONITOR PROGRAM TIMER PAC-SC32PTA TODAY ON WEEKLY SETTING OFF ON SET BACK OFF CLOCK DAILY TIMER SET BACK SET BACK DAILY SETTING 12 15 18 21 24 0 3 6 12 15 CURRENT TIME DIS...
Page 64 - TM
TM c Copyright 2001 MITSUBISHI ELECTRIC ENGINEERING CO., LTD. Distributed in Nov. 2003 No.OC273 REVISED EDITON-A PDF 9Distributed in Dec. 2001 No.OC273 New publication, effective Nov. 2003Specifications subject to change without notice. OC273-A-3.qxp 03.11.25 9:03 AM Page 64
Page 65 - 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.
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