Mitsubishi Mr. Slim NH33NBD- Manuals

5 Capacity Moisture removal PowerConsomption EERSEERHSPF COP INDOOR UNIT MODELSExternal finishPower supplyMax.fuse size (time dalay)Min.ampacityFan motorBooster heater Airflow Hi-Lo Sound level Hi-LoCond. drain connection OD Dimensions WeightOUTDOOR UNIT MODELSExternal finishPower supplyMax.fuse siz...

6 Models Models Outdoor intake air DB temperature(˚F) PKH18FK 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 14.5 1...

8 SHF=0.71V 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...

9 NOTES : A point on the curve shows the reference point. PKH30FK COOLING CAPACITY PKH30FK HEATING CAPACITY PKH36FK COOLING CAPACITY PKH36FK HEATING CAPACITY 716763 716763 42 36 30 24 4.0 3.5 3.0 2.5 2.0 SHF=0.75 Total capacity(x10 Btu/h) 3 Total power consumption(kW) Outdoor intake air DB temperatu...

10 3. CONDENSING PRESSURE AND SUCTION PRESSURE Data is based on the condition of indoor humidity 50%.Air flow should be set at HI.A point on the curve shows the reference point. <Cooling mode> PKH18FK PKH18FK PKH18FK PKH18FK Data is based on the condition of outdoor humidity 75%.A point on the...

14 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...

15 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 23 80 47 75 17 75 — — 75 43 65 15 Function Cooling Heating Model Airflow (CFM) Air speed (ft/sec) C...

16 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 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 piping Drain hose Lower side Auto vane (Gas ...

19 Unit : mm Outdoor Unit PUH24EK T er minal b loc k f or indoor and outdoor unit connection T er minal b loc k f or po w er line Ground ter minal Handie for mo ving Ser vice panel Refr iger ant pipe (Flared) 5/8F Knoc k out hole for front piping 4-3/4 (refr iger ant. dr ainage and wir ing) 4-1/8 Dr...

20 T erminal block for indoor and outdoor unit connection T erminal block for power line Ground terminal Handie for moving Service panel Refrigerant pipe (Flared) (PUH30/36EK) 3/4 (PUH42EK)7/8F Knock out hole for front piping 4-3/4 (refrigerant. drainage and wiring) 4-1/8 Drain hole Drain hole 2-U-s...

22 5 WIRING DIAGRAM NOTES : 1. Since the indoor fan motor (MF) is connected with 230V power, using 208V power will require a setting change of the dip switch (SW7<I.B>) on the indoor con- troller board as shown in fig : w 1. Indoor fan motor (MF) for 208V. 2. Since the indoor transformer (T) i...

23 Main function of LED(when both Nos.1 and 2 of are "OFF") How to use SW1 and 2 ● Pressing erases the past check contents loaded on the microcomputer. ● The output display (light) remains during opera- tion but pressing displays the past check contents in flashing mode. Pressing the switcha...

25 REFRIGERANT SYSTEM DIAGRAM 6 Indoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Outdoor unit Indoor coilthermistorRT2 Distributor Restrictorvalve Capillarytube ( { 0.126x { 0.071x15.7) ( { 0.126x { 0.071x9.8) PKH30FK( { 0.157x { 0.079x11.4) PKH36FK( { 0.157x { 0.079x11.4) Capillary tub...

27 COOL operation Four-way valve/OFF Initial COOLING NO 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 intial setting Vane 60 deg downward angle 70 deg downward angle Fan speed LOW Downward discharge 1 hou...

28 Heat operation Intial HEATING Vane setting notch Vane intial setting Defrosting Heating area Defrost release Defrost 30 min. elaspe Outdoor unit trouble Four-way valve ON Hor adjust in process Compressor ON Compressor thermostat ON Allowance cancel Indoor piping -5 ¡ F or lower Outdoor unit troub...

29 w 8 ~ 9 Refer to page 35. w 12 When room temperature is 4°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 35. w 14 In dry operation, compressor...

30 8 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...

31 Minimum 3 minutes 1 ON Thermostat Indoor fan Auto vane Booster heater Compressor ON LOW or HIGH Initally 10 degrees (Changeable by remote controller setting) LOW or HIGH ON ON OFF OFF CLOSE CLOSE 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. T...

34 <Auto vane drive> (a) The vane is driven by DC12V motor.(b) Air discharge direction is selected depends on the number of pulse were sended.(c) Before start driving the auto vane, detect the standard position first, output the number of pulse to each air discharge.(d) The speed of the auto v...

36 Minimum 3 minutes 2 ON Thermostat Indoor fan Auto vane Booster heater Compressor Power ON lamp STAND BY lamp ON ON LOW or HIGH LOW or HIGH ON OFF OFF OFF OFF ON OFF ON OFF ON OFF Extra LOW 1 Extra LOW 1 Hot adjustment 10 ¡ Close 10 ¡ Close From POWER ON until warm begins to blow Hot adjustment De...

38 (3) Auto vane control (a) STOP mode (fixed operation) ( ! ) The discharge direction at the start-up of HEAT operation is the same as that of the previous operation. ( @ ) The discharge direction can be charged by the remote controller setting. In the following cases, discharge direction becomes 1...

39 (6) Indoor coil thermistor 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 differenc...

40 (1) Initial mode 1 When AUTO operation starts after unit OFF. ● If the room temperature displayed on remote controller is higher than the set temperature, operation starts in COOL mode. ● If the room temperature displayed on remote controller is equal to or lower than the set temperature, operati...

41 <How to operate>To change the air flow direction, press AIR DISCHARGE UP/DOWN button. 1 10° 2 30° 3 60° 4 70° (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...

43 (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...

44 2-9 Interlock with ventilation system (LOSSNAY)Mr. SLIM/LOSSNAY interlock operation is available by using the optional parts listed below. (1) System organization NOTE: For further information, refer to the LOSSNAY technical & service manual. (2) Required parts are: ● Relay box (PZ-12RB-E) ••...

45 2-10 Dip switch and jumper connector 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...

46 Nomal operation For emergency cooling For emergency heating 2 4 OFF: 208VON : 230V ) ( 1 2 3 4 5 6 ON OFF 1 2 ON OFF 1 2 ON OFF 1 2 ON OFF 1 2 3 4 ON OFF J1-7) Switch for fan speed during thermostat OFF in HEAT operationProvided : EXTRA LOWNot provided : LOW J1-8) Switch for fan speed during ther...

47 3. OUTDOOR UNIT CONTROL 3-1 Outdoor fan controlThe rotational frequency of outdoor fan is phase-controlled according to the outdoor coil temperature. This control allows thecooling operation even with the low outside-air temperature and the heating operation even with the high outside-air tempera...

50 3-7 Service functions(1) Compulsory defrositng 1 When all of the following conditions are satisfied, pressing SW2 starts the compulsory defrosting. ● During HEAT mode ● The compressor is ON. ● The outdoor coil temperature is being displayed by LED. (Outdoor controller board dip switch SW3-1 : OFF...

51 TROUBLESHOOTING 9 Symptom Cause Check points 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...

52 2. SELF DIAGNOSTIC FUNCTION WITH REMOTE CONTROLLER 2-1 When malfunction occurs during operation When a malfunction occurs, the indoor and outdoor units stop and the malfunction is displayed on the LCD of the remotecontroller.(A) ON the set temperature display part, “CHECK” appears, and the unit a...

54 3.SERVICE DATA INDICATION BY SWITCHES ON OUTDOOR CONTROLLER BOARD Setting dip switchs SW2 and SW3 on the outdoor controller board enables LED to show the output state and check code.Output state is shown by LED lighting, and check code by blinking. SW1 : Turning SW1 ON clears the check code. If S...

55 3-1 Outdoor coil temperature To obtain data on the outdoor coil tempera-ture, add the number of bits of lightingLEDs, and see the graph below to find thetemperature. 3-2 Fan output step To obtain data on the fan output step, add the number of bits of lighting LEDs, and see the graph below to find...

57 6. WRONG WIRING ON SITE 6-1 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. 6-2 Phenomenon due to wrong wi...

58 Symptom LOSSNAY control switch does not work. LOSSNAY air speed can not be controlled in interlock opera-tion. LOSSNAY control switch can not work during interlock operation.LOSSNAY control switch is effective only while Mr. SLIM is not operat-ing. LOSSNAY fan speed is fixed to HIGH during interl...

59 SYSTEM CONTROL 10 1 Group control with a single remotecontroller(See page 59.) Unit Remotecontroller Unit Unit Many units, installed at different locations, can be startedand controlled with a single remote controller. The remotecontroller can be mounted in a different location using anon-polar t...

60 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...

61 4. REMOTE ON-OFF AND INDIVIDUAL REMOTE CONTROLSThis method is auailable to control one unit or any number of units.The following operations are available by connecting a relay, a timer adapter (PAC-SA89TA-E), and a remote ON/OFF switchto the system. Timer adapter is an optional part. Other parts ...

62 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 220/240V AC, ● Do not connect the control circuit...

6. MULTIPLE REMOTE CONTROL DISPLAY You can control serveral units with a multiple remote control display,bywiring an optional multipe display adapter (PAC-SA88HA-E) with relaysand lamps on the market.6-1 How to wire (1) Connect the multipe display adapter to the connector CN51 on the indoor controll...

64 11 DISASSEMBLY INSTRUCTIONS 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 i...

65 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...

66 OPERATING PROCEDURE PHOTOS 8. Removing the lineflow fan and the fan motor (1) Remove the left and right side panels. (2) Remove the grills. (3) Remove the electrical parts box. (4) Remove the drain pan. (5) Loosen the screw that fixes the lineflow fan to the fan motor. (See Photo 7. ) (6) Remove ...

67 OPERATING PROCEDURE PHOTOS 1. Electrical parts (1) Remove top panel (3 screws in front, 2 screws in rear)(2) Remove cover panel (1 screw). The panel is anchored by clicks to the side panel.Remove by pulling towards you. (3) Remove cover panel (1 screw). The panel is anchored by clicks on the righ...

68 OPERATING PROCEDURE PHOTOS 3. Heat Exchanger, Compressor (1) Remove the rear panel (2 screws in front, 1 screw on the side, 3 screws in the rear). Remove the valve bed, and openthe rear panel to the rear to remove. NOTE : All panels are clasped, and must be removed by shifting upand down. (2) Rem...

71 PART LIST 12 No. Parts No. Parts Name Specifications Remarks (Drawing No.) Wiring Diagram Symbol Q'ty / set PKH 24FK 30FK 18FK Part number that are circled not shown in the figure. 1 2 3 4 5 6 7 8 9 10 R01 12G 661 R01 12G 662 R01 12G 691 R01 16G 692 R01 12G 500 R01 12G 811 R01 16G 811 R01 12G 812...

74 PUH18EK FUNCTIONAL PARTS OC120--3.qxp 24/6/97 1:01 AM Page 74

75 No. Parts No. Parts Name Specifications Remarks (Drawing No.) Wiring Diagram Symbol Q'ty / set PUH 18EK 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 PROPELLER FAN MOTOR OUTDOOR CONTROLLER BOARD FUSE TERMINAL BLOCK CONTACTOR FAN CAPACITOR TRANSFORMER COMPR...

76 PUH24EK FUNCTIONAL PARTS OC120--3.qxp 24/6/97 1:02 AM Page 76

78 PUH30/36EK FUNCTIONAL PARTS 3637 3637 6 3 4 8 12 5 23 33 1 1 24 2 28 17·18 19·20 7 27 33 29 32 16 21 22 34 35 15 13·14 30·31 9 10·11 OC120--3.qxp 24/6/97 1:02 AM Page 78

80 No. Parts No. Parts Name Specifications Remarks (Drawing No.) Wiring Diagram Symbol Q'ty / set PUH 18EK 1 2 3 4 5 6 7 8 9 FRONT PANEL SERVICE PANEL SIDE PANEL FAN GUARD TOP PANEL PANEL COVER BASE ASSEMBLY REAR PANEL REAR GUARD 1 1 1 1 1 1 1 1 1 OUTDOOR FUNCTION R01 A08 668 R01 A08 661 R01 A08 662...

81 PUH24EK STRUCTURAL PARTS No. Parts No. Parts Name Specifications Remarks (Drawing No.) Wiring Diagram Symbol Q'ty / set PUH 24EK 1 2 3 4 5 6 7 8 9 TOP PANEL FRONT PANEL FAN GUARD SERVICE PANEL SIDE PANEL (LEFT) REAR PANEL PANEL COVER REAR GUARD BASE ASSEMBLY 1 1 2 1 1 1 1 1 1 R01 A00 641 R01 A11 ...

82 No. Parts No. Parts Name Specifications Remarks (Drawing No.) Wiring Diagram Symbol Q'ty / set PUH 30EK 1 2 3 4 5 6 7 8 9 TOP PANEL FRONT PANEL FAN GUARD SERVICE PANEL SIDE PANEL (LEFT) REAR PANEL PANEL COVER REAR GUARD BASE ASSEMBLY 1 1 2 1 1 1 1 1 1 36EK 1 1 2 1 1 1 1 1 1 R01 A14 641 R01 A14 66...

83 OPTIONAL PARTS 13 Note 1. How to connect refrigerant pipes. Factory supplied optional refrigerant pipings contain refrigerant at the above atmospheric pressures. As long as theconnection takes no more than 5 minutes, no air will enter, and there will be no need for air purging. Remove the blindca...

84 ORN 1 2 3 BRN RED 3. TIMER ADAPTER This adapter is needed for system control and for operation via external contacts. Adapter connection is described on page57. Part No. PAC-SA89TA-E MITSUBISHI ELECTRIC SET MONITOR S M T W T F S GET BACK SET/MONITOR BACK AHEAD ON DAILY TIMER BACK SET BACK ON OFF ...

85 12345 BRNREDORNYLWGRN BACK ACTIVE BYPASS POWERON/OFF DUAL CENTRAL AHEAD MITSUBISHI ELECTRIC E N G A G E D G R O U P A C T I V E B Y P A S S G R O U PS E L E C T I O N P R O G R A MT I M E R C O N T R O L L E RO P E R A T I O N D U A L C E N T R A L 1 2 3 4 5 6 7 8 9 10 1 1 7 117 BACK ACTIVE BYPAS...

86 A N E T (Y) (W) (R) (O) (BR) 5A A POWER SUPPLY N E Fuse(5A) Tie-wrap Wiring has to be changed when a 200,230 or 240V power is used. Tie-wrap TRANSFORMER Transmission TERMINAL-BLOCKFOR TRANSMISSION TERMINAL-BLOCKOF POWER SUPPLY 200 220 230 240 BACK ACTIVE BYPASS POWERON/OFF DUAL CENTRAL AHEAD E N ...

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.