Page 2 - FEATURES; Indoor unit
2 1 FEATURES Indoor unit Remote controller Models Cooling capacity / Heating capacity SEER PKH18FL 18,000 / 18,600 [25,100] Btu/h 11.1 PKH24FL 24,000 / 25,000 [31,500] Btu/h 10.2 PKH30FL 30,000 / 33,000 [40,500] Btu/h 10.6 PKH36FL 34,200 / 38,000 [45,500] Btu/h 10.5 1. COMPACT DESIGN The PKH series ...
Page 3 - PART NAMES AND FUNCTIONS; Wireless remote controller
3 PART NAMES AND FUNCTIONS 2 ● Wireless remote controller ● When cover is open. ON/OFF TEMP FAN VANE TEST RUN AUTO STOP AUTO START h min LOUVER MODE CHECK RESET SET CLOCK MODEL SELECT NOT AVAILABLE SWING CHECK FAN TEST RUN ˚F ˚C AMPM STOP START AMPM COOL DRY AUTO FAN HEAT VANE CONTROL button Used to...
Page 4 - SPECIFICATIONS
4 3 SPECIFICATIONS FK 1 :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 finis...
Page 5 - DATA
5 DATA 4 Models Models Outdoor intake air DB temperature(˚F) PKH18FL 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 15.1...
Page 7 - NOTES : A point on the curve shows the reference point.; COOLING CAPACITY
7 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) 36...
Page 9 - CONDENSING PRESSURE AND SUCTION PRESSURE; COOLING MODE
9 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. <PKH18FL> Data is based on the condition under outdoor humidity 75%.A point on the curve shows the reference point...
Page 13 - STANDARD OPERATION DATA; Electrical circuit
13 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 14 - OUTLET AIR SPEED AND COVERAGE RANGE
14 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 75 — — 75 43 65 15 Function Cooling Heating Model Airflow (CFM) Air speed (ft/sec) C...
Page 15 - NOISE CRITERION CURVES; OCT
15 6. 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 16 - OUTLINES AND DIMENSIONS
16 5 OUTLINES AND DIMENSIONS 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 18 - Remote controller; REFRIGERANT SYSTEM DIAGRAM; COOLING; WIRELESS REMOTE CONTROLLER
18 Remote controller Pipe temperaturethermistor / Liquid(RT2) Distributor Restrictorvalve Capillary tube PKH18FL : ( { 0.126x { 0.071x19.7) PKH24FL : ( { 0.157x { 0.079x19.7) w Refrigerant pipe(option) { 3/8" (with heat insulator) Refrigerant pipe(option) { 5/8" (with heat insulator) Straine...
Page 19 - WIRING DIAGRAM; MF
19 WIRING DIAGRAM 7 MODELS PKH18FL, PKH24FL, PKH30FL, PKH36FL WIRING DIAGRAM GR L1L2 POWER SUPPLY~(1PHASE)AC208/230V 60Hz GROUND 3 LED(HOT ADJUST) LED(RUN INDICATOR) LED1LED2 WIRELESS REMOTE CONTROLLER W.R FS1,2 THERMAL FUSE 88H HEATER CONTACTOR HEATER THERMAL SWITCH HEATER 26H H HEATER 12 3 12 3 12...
Page 20 - MAIN OPERATION
20 8 OPERATION FLOW-CHART 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 21 - COOLING OPERATION; during auto vane SWING, the auto vane will continue to swing.
21 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 22 - It is not possible to set the fan speed with the remote controller; DRY OPERATION
22 w 8—9 Refer to page OC276-21. 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 OC276-30. w 14 In dry operation, ...
Page 23 - HEATING OPERATION; 5 ( i ) Until Low airflow is set while in hot adjustment
23 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 24 - MICROPROCESSOR CONTROL; OUTLINE OF MICROPROCESSOR CONTROL; OUTPUT to outdoor unit; Outdoor unit
24 9 MICROPROCESSOR CONTROL ● 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 switchi...
Page 25 - INDOOR UNIT CONTROL; Press the MODE button to display COOL.; NOTE: Set temperature changes 2°F when the TEMP( or ); Thermostat
25 2. INDOOR UNIT CONTROL 2-1 COOL operation <How to operate> 1 Press POWER ON/OFF button. 2 Press the MODE button to display COOL. 3 Press the TEMP( or ) button to set the desired temperature. NOTE: Set temperature changes 2°F when the TEMP( or ) button is pressed one time.Cooling 65 to 87°F....
Page 27 - Changes by pressing the AIR DISCHARGE button.
(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 can...
Page 28 - (4) Detecting abnormalities in the outdoor unit; RANGE A
28 (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 29 - NOTE: The set temperature changes 2°F when the TEMP( or )
29 <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 34 - When AUTO operation starts after unit OFF.; In case of the wind baffle installed.; “AUTOMATIC” works to change by itself the operation
34 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 35 - -5 Auto vane control
35 <How to operate>To change the air flow direction, press VANE ( ) 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 VANE ( ) button on the remote controller.<Auto ...
Page 36 - Test run; while following steps
36 2-6 TIMER operation 2-7 Test run <Timer function> AUTO STOP ·········The air conditioner stops after the set time lapses. AUTO START ········The air conditioner starts after the set time lapses. AUTO OFF ············Timer is not active. <How to operate> 1 Push POWER ON/OFF button. 2 C...
Page 37 - -8 Emergency operation
37 (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 38 - -9 Dip switch and jumper connector functions.; Each figure shows the initial factory setting.
38 2-9 Dip switch and jumper connector functions. Each figure shows the initial factory setting. 2-9-1 On remote controller board(1). On indoor controller board 1. SW1 (Mode selector) SW1-1) Switch that changes between FAN mode and AUTO mode OFF:AUTO mode for models with heat pumpON:Fan mode for mod...
Page 39 - -10 INDOOR FAN CONTROL; ON: For 208V power supply
39 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. 5. SW6 (Address selector) 1 2 3 4 ONOFF 6. SW7 (Mo...
Page 40 - -11 Wireless remote controller pair number setting operation
40 2-11 Wireless remote controller pair number setting operation ON/OFF TEMP FAN VANE MODE CHECK LOUVER TEST RUN AUTO STOP AUTO START h min RESET SET CLOCK MODEL SELECT 4 A Model No. 3 2 , 5 1 Turn on the main power to the unit. 2 Press the SET button with the point of a ball-point pen or the like. ...
Page 41 - TROUBLESHOOTING
41 TROUBLESHOOTING 10 1. Self-diagnostic function Self-check 1 Turn on the main power to the unit. 2 Press the button twice continuously. (Start this operation from the status of remote controller displayturned off.) A begins to light. B “00” begins to blink. 3 While pointing the remote controller t...
Page 42 - OTHER TROUBLES AND CAUSES
42 Check code Diagnosis of malfunction Cause Check points 4 Abnormality of drain sensor 1) Bad contact of transmission wire 2) Damaged thermistor 1) Check the connector.2) Measure the resistance of the thermistor (between ➃ - ➄ of CN50). As for the normal resistance, refer to the caseof 1. If the re...
Page 43 - WRONG WIRING ON SITE; -1 Between remote controller and indoor unit
43 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 44 - HOW TO CHECK THE PARTS; Measure the resistance between the terminals using a tester.; Opening and closing temperature of protector.
44 4. 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. (Refer to the thermist...
Page 45 - DISASSEMBLY PROCEDURE; OPERATING PROCEDURE; Removing the lower side of the indoor unit from the instal-; Removing the indoor controller board; Figure 1
45 DISASSEMBLY PROCEDURE 11 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 46 - Removing the vane motor; Photo 6
46 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 47 - Removing the line flow fan and the fan motor; Photo 9
47 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 48 - PARTS LIST; ELECTRICAL PARTS
48 12 PARTS LIST No. Parts No. Parts Name Specifications Remarks (Drawing No.) Wiring Diagram Symbol Q'ty / set PKH FL FL FL 1 2 3 4 5 SLEEVE BEARING BEARING MOUNT LEFT LINE FLOW FAN LEFT LINE FLOW FAN RIGHT LINE FLOW FAN RIGHT LINE FLOW FAN HEAT EXCHANGER HEAT EXCHANGER HEAT EXCHANGER HEAT EXCHANGE...
Page 52 - TM
TM c Copyright 2001 MITSUBISHI ELECTRIC ENGINEERING CO., LTD. Distributed in Nov. 2003 No.OC276 REVISED EDITON-A PDF 9Distributed in Dec. 2001 No.OC276. New publication, effective Nov. 2003Specifications subject to change without notice. OC276-A-2.qxp 03.11.25 9:07 AM Page 52
Page 53 - 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.
