Mitsubishi Electric Mr. Slim PLH Series Technical & Service Manual
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Mitsubishi Electric Mr. Slim PLH Series Technical & Service Manual

Mitsubishi Electric Mr. Slim PLH Series Technical & Service Manual

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SPLIT-TYPE,HEAT PUMP AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
Ceiling Cassettes
Series PLH
Indoor unit
[Model names]
PLH-1.6KKHC
PLH-2KKHC
PLH-2.5KKHC
[Service Ref.]
PLH-1.6KKHC
PLH-2KKHC
PLH-2.5KKHC
INDOOR UNIT
FILTER
CHECK MODE
TEST RUN
REMOTE CONTROLLER
1997
This manual does not cover the
following outdoor units.
servicing them, please refer to the
service manual No.OC128 and
this manual in a set.
[Service Ref.]
PUH-1.6VKA
2
PUH-2VKA
2
PUH-2.5VKA
2
CONTENTS
1. FEATURES ···········································2
2. PART NAMES AND FUNCTIONS ········3
3. SPECIFICATIONS·································6
4. DATA ·····················································9
5. OUTLINES AND DIMENSIONS··········13
6. WIRING DIAGRAM·····························15
8. OPERATION FLOW-CHART ··············17
10. TROUBLESHOOTING ························43
11. 4-WAY AIR FLOW SYSTEM ···············51
12. SYSTEM CONTROL ···························52
13. DISASSEMBLY PROCEDURE ···········57
14. PARTS LIST········································60
15. OPTIONAL PARTS ·····························64
The Slim Line.
From Mitsubishi Electric.
No. OC123
When

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Summary of Contents for Mitsubishi Electric Mr. Slim PLH Series

  • Page 1: Table Of Contents

    9. MICROPROCESSOR CONTROL·······21 INDOOR UNIT 10. TROUBLESHOOTING ························43 11. 4-WAY AIR FLOW SYSTEM ···············51 12. SYSTEM CONTROL ···························52 FILTER CHECK MODE TEST RUN 13. DISASSEMBLY PROCEDURE ···········57 14. PARTS LIST········································60 15. OPTIONAL PARTS ·····························64 The Slim Line. From Mitsubishi Electric. REMOTE CONTROLLER...

  • Page 2: Features

    FEATURES Ceiling Cassettes Series PLH FILTER CHECK MODE TEST RUN Indoor unit Remote controller Service Ref. Cooling capacity/Heating capacity Btu/h PLH-1.6KKHC 4,400/4,650 15,000/15,900 PLH-2KKHC 5,400/5,800 18,400/19,800 PLH-2.5KKHC 6,300/7,200 21,500/24,600 1.PURSUING CONPACTNESS (1)Panel size and body volume reduced to 64% of previous models The width and depth of the panel have been reduced by 19cm respectively,resulting in a compact model which fits small- er environments (like shops) perfectly.

  • Page 3: Part Names And Functions

    6.COMPACT DIMENSIONS MEAN EASY INSTALLATION (1)Carefree suspension work with lightweight unit The new unit weighs in at 20kg (9kg lighter than the previous model) and is easy to handle and install. What's more, sus- pension work is facillitated by compact dimensions ensuring a snug fit. (2)Smooth installation with "one-direction"bolts Suspension bolts can be fixes consistently from one direction easing suspension work.
  • Page 4 Remote controller Once the controls are set, the same operation mode can be repeated by simply pressing the ON/OFF button. Operation buttons button button button This sets the ventilation This switches between This sets of switches the fan speed. continuous operation and current time.
  • Page 5 Display In this display example on the bottom left, a condi- CENTRALLY display tion where all display lamps light is shown for CONTROLLED display explanation purposes although this differs from The current time , start time and stop actual operation. time can be displayed in tensecond This indicates when the unit is con- intervals by pressing the time switch...

  • Page 6: Specifications

    SPECIFICATIONS Service Ref. PLH-1.6KKHC Item Function Cooling Heating Btu/h 15,000 15,900[20,600] Capacity 4,400 4,650[6,050] Total input 1.59 1.51[3.20] Service Ref. PLH-1.6KKHC Power supply(phase, cycle,voltage) Single, 50Hz, 220-240V Input 0.15 0.10[1.50] Running current 0.64 0.45[6.28] Starting current 0.70 0.50[6.91] External finish Galvanized sheets with gray heat insulation Heat exchanger Plate fin coil...
  • Page 7 Service Ref. PLH-2KKHC Item Function Cooling Heating Btu/h 18,400 19,800[24,600] Capacity 5,400 5,800[7,200] Total input 2.34 2.32[4.09] Service Ref. PLH-2KKHC Power supply(phase, cycle,voltage) Single, 50Hz, 220-240V Input 0.14 0.10[1.50] Running current 0.65 0.45[6.28] Starting current 0.72 0.50[6.91] External finish Galvanized sheets with gray heat insulation Heat exchanger Plate fin coil Fan(drive) x No.
  • Page 8 Service Ref. PLH-2.5KKHC Item Function Cooling Heating Btu/h 21,500 24,600[31,700] Capacity 6,300 7,200[9,300] Total input 2.60 2.33[4.87] Service Ref. PLH-2.5KKHC Power supply(phase, cycle,voltage) Single, 50Hz, 220-240V Input 0.14 0.10[2.20] Running current 0.61 0.45[9.20] Starting current 0.67 0.50[10.12] External finish Galvanized sheets with gray heat insulation Heat exchanger Plate fin coil Fan(drive) x No.

  • Page 9: Data

    DATA 1. PERFORMANCE DATA 1) COOLING CAPACITY Indoor Outdoor intake air DB: intake Service Ref. P.C. P.C. P.C. P.C. P.C. P.C. 4,347 1.36 4,227 1.42 4,068 1.52 3,900 1.63 3,724 1.74 3,535 1.85 4,627 1.39 4,506 1.44 4,339 1.56 4,162 1.67 3,978 1.78...
  • Page 10 2) HEATING CAPACITY Indoor Outdoor intake air DB: intake Service Ref. P.C. P.C. P.C. P.C. P.C. P.C. 3,169 1.12 3,625 1.23 4,126 1.36 4,669 1.49 5,249 1.62 5,874 1.77 3,031 1.20 3,482 1.33 3,970 1.46 4,494 1.60 5,055 1.75 5,653 1.90 PLH-1.6KKHC 2,916...
  • Page 11 2. ELECTRICAL DATA Indoor unit … 220V 50Hz 1phase Outdoor unit … 220V 50Hz 1phase Indoor unit PLH-1.6KKHC PLH-2KKHC PLH-2.5KKHC Service Ref. PUH-1.6VKA PUH-2VKA PUH-2.5VKA Outdoor unit Mode Cool Heat Cool Heat Cool Heat 4,550 5,700 6,900 Capacity (W) 4,300 5,300 6,200 [5,720]...
  • Page 12 3. STANDARD OPERATION DATA Service Ref. PLH-1.6KKHC PLH-2KKHC PLH-2.5KKHC Mode Cooling Heating Cooling Heating Cooling Heating Capacity 4,400 4,650 5,400 5800 6,300 7,200 Input 1.59 1.51 2.34 2.32 2.60 2.33 Indoor unit Service Ref. PLH-1.6KKHC PLH-2KKHC PLH-2.5KKHC Phase,Hz 1,50 1,50 1,50 Volts 0.61...

  • Page 13: Outlines And Dimensions

    OUTLINES AND DIMENSIONS 1. INDOOR UNIT Unit : mm PLH-1.6KKHC/PLH-2KKHC/PLH-2.5KKHC...
  • Page 14 2.REMOTE CONTROLLER Unit : mm (inch) FILTER FILTER CHECK CHECK CHECK MODE CHECK MODE TEST RUN TEST RUN Rear side wiring arrangement opening. CAUTION SW18 SW17...

  • Page 15: Wiring Diagram

    WIRING DIAGRAM PLH-1.6KKHC/PLH-2KKHC/PLH-2.5KKHC SYMBOL NAME SYMBOL NAME SYMBOL NAME REMOTE CONTROLLER BOARD CN2L<I.B> LOSSNAY CONNECTOR X3<I.B> VANE MOTOR RELAY SW17<R.B> ADDRESS SELECTOR CN51<I.B> CENTRALLY CONTROL CONNECTOR X4<I.B> FAN MOTOR RELAY SW18<R.B> FUNCTION SELECTOR FAN2<I.B> EMERGENCY OPERATION CONNECTOR F1<I.B> FUSE(6.3A) CN1<R.B> PROGRAM TIMER CONNECTOR F.C<I.B>...

  • Page 16: Refrigerant System Diagram

    REFRIGERANT SYSTEM DIAGRAM PLH-1.6KKHC/PUH-1.6VKA Unit : mm PLH-2KKHC/PUH-2VKA PLH-2.5KKHC/PUH-2.5VKA High pressure control switch Oil separator Outdoor unit Refrigerant pipe Service (option) 4-way valve port Outdoor heat exchanger Indoor unit 15.88mm( 5/8") Ball valve (with heat insulator) Strainer Flexible tube Indoor Service Outdoor coil port...

  • Page 17: Operation Flow-Chart

    OPERATION FLOW-CHART MAIN OPERATION START Power circuit breaker Check SW ON twice Operation SW “OFF” timer Set time “ON” timer complete Set time complete Trouble Remote controller operation display STOP Trouble STOP Operating mode (COOL) COOL operation PROTECTION DEVICE PROTECTION DEVICE SELF HOLD RELEASE SELF HOLD Operating mode...
  • Page 18 COOLING OPERATION COOL operation Four-way valve/OFF Initial COOLING Vane initial setting Vane 55 deg downward angle 70 deg downward angle Fan speed Downward discharge 1 hour Vane horizontal Vane setting notch airflow Compressor thermostat Allowance cancel 3-minute time delay 6-minute Allowance time delay period...
  • Page 19 HEATING OPERATION Heat operation PLH KKHC Initial Heating area HEATING Defrost release 3-minute Vane setting notch Vane intial setting Auxiliary heater Defrost 30 min. elaspe Indoor coil Defrosting Outdoor unit trouble thermstor is 60°C or higher Four-way valve ON FAN speed Low notti Hor adjust in process...
  • Page 20 DRY OPERATION operation Four-way valve / OFF Initial dry operation Vane Vane initial setting setting notch Room tempereature is 18°C or lower During compressor ON 3-minute 3-minute compressor time delay operation Compressor & Compressor & thermostat ON thermostat 10-minute Compressor ON compressor time completes Compressor ON...

  • Page 21: Microprocessor Control

    MICROPROCESSOR CONTROL 1.OUTLINE OF MICROPROCESSOR CONTROL INPUT to remore controller OUTPUT to remote controller Remote controller board Processes and transmits orders.orders. OFF-ON switching. Remote controller COOL/DRY-AUTO-HEAT selector switching. LCD indicator Thermostat setting. TIMER mode selector-switching and Timer setting. FILTER HIGH-LOW fan speed switching. CHECK MODE TEST RUN AUTO Vane selector (AIR DISCHARGE)
  • Page 22 2. INDOOR UNIT CONTROL 2-1COOL operation <How to operate> 1 Press POWER ON/OFF button. 2Press the button to display “ ”. 3Press the TEMP button to set the desired temperature. FILTER CHECK MODE NOTE: Set temperature changes 1°C when the TEST RUN button is pressed one time.
  • Page 23 5 Coil frost protection When indoor coil temperatuer becomes -15°C or below, coil frost protection will proceed as follows. <Start condition> After the compressor has been continuously operated for 3 minutes or more,and the indoor coil temperature has been - 15°...
  • Page 24 (3) Auto vane control Auto vane position is set to 30degrees airflow at the start-up of COOL operation. It can then be changed by the remote controller. (a) Stop mode (fixed operation) ( i ) At start-up of COOL operation, the auto vane is set to 10 degrees airflow direction. ( ii ) Airflow direction can be changed with botton.
  • Page 25 <Auto vane drive> (a) The auto vane is driven by a 2.5 rpm motor. (b) Airflow direction can be selected between the No.1 and No.2 setting. (Initial setting is No.1) 30° 45° 55° 70° (c) Vane motor drive time Unit : sec Airflow direction change 50Hz Horizontal 4 1...
  • Page 26 2-2 DRY operation <How to operate> 1 Press POWER ON/OFF button. 2 Press the button to display “ ” FILTER CHECK MODE TEST RUN 3 Press the TEMP button to set the desired temperature. NOTE: The set temperature changes 1°C when the button is pressed one time.
  • Page 27 4The compressor will not start when the room temperature is below 18°C. The compressor starts intermittent operation when the power is turned ON with room temperature above 18°C. The com- pressor ON/OFF time depends on the thermostat ON/OFF and the following room temperatures.After 3-minute compres- sor operation, If the room temperature thermistor reads above 28°C with thermostat ON, the compressor will operate for 6 more min- utes and then stop for 3 minutes.
  • Page 28 2-3 HEAT operation <How to operate> 1 Press POWER ON/OFF button. 2 Press the button to display “ ”. FILTER CHECK MODE 3 Press the TEST RUN TEMP button to set the desired temperature. NOTE: The set temperature changes 1°C when the button is pressed one time.
  • Page 29 (1) Compressor control 13-minute time delay To prevent overload, the compressor will not start within 3 minutes after stop. 2The compressor runs when the room temperature is lower than the set temperature. The compressor stops when the room temperature is equal to or higher than the set temperature. 3The compressor stops in check mode or during protective functions.
  • Page 30 (4) Booster heater control When the room temperature is 3 degrees below the set temperature, the booster heater will turn ON. When the room temperature is equal to the set temperature, booster heater will turn OFF. During the hot adjustment, the booster heater will not work. <Overheat prevention>...
  • Page 31 2-4 AUTO operation (Automatic COOL/HEAT change over operation) <How to operate> 1 Press POWER ON/OFF button. 2 Press the button to display “ ”. FILTER 3 Press the TEMP button to set the desired temperature. CHECK MODE TEST RUN NOTE: The set temperature changes 1°C when the button is pressed one time.
  • Page 32 2-5 Auto vane control <How to operate> To change the air flow direction, press button. FILTER NOTE: Airflow direction can be set by the indoor dipswitch SW5-1. CHECK MODE TEST RUN 240KA 30˚ 45˚ Available in COOL operation with fan speed on HIGH or in HEAT operation.
  • Page 33 2-6 TIMER operation <Timer function> AUTO STOP ·········The air conditioner stops after the set time lapses. AUTO START ········The air conditioner starts after the set time lapses. TIMER OFF ··········Timer is not active. <How to operate> FILTER 1. Press POWER ON/OFF button. CHECK MODE TEST RUN 2.
  • Page 34 (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 room temperature. The code should fall with the lapse of time in normal COOL operation, and should rise in normal HEAT operation.
  • Page 35 2-9 Interlock with ventilation system (LOSSNAY) Mr. SLIM/LOSSNAY interlock operation is available by using the optional parts listed below. (1) System organization Relay box (PZ-12RB-E) Relay box Mr. SLIM LOSSNAY Power supply LOSSNAY Mr. SLIM Power supply Remote display Remote adapter controller Remote...
  • Page 36 2-10 Dip switch functions Each figure shows the initial factory setting. 1 On remote controller board (1) SW17(Address selector) 1 2 3 4 5 6 7 8 SW17-1~6) For address setting SW17-7) When two remote controllers are used,this switch sets the controller function. OFF:The remote controller is set as a main controller.
  • Page 37 (2) SW2 (Address selector) 1 2 3 4 5 6 Used in setting the unit-address for group control. For further information,refer to page 52. (3) SW3 (Emergency operation switch) Normal operation For emergency cooling For emergency heating (4) SW5 (Model selector) 1 2 3 4 SW5-1) Not for use.
  • Page 38 2-11. INDOOR FAN CONTROL (1)Fan motor max. rotational frequency for PLH-KKHC Voltage 100% rotational frequency(rpm) Service Ref. 50Hz PLH-1.6KKHC PLH-2KKHC PLH-2.5KKHC (2)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.
  • Page 39 3. OUTDOOR UNIT CONTROL 3-1 Outdoor fan control The rotational frequency of outdoor fan is phase-controlled according to the outdoor coil temperature. This control allows the cooling operation even with the low outside-air temperature and the heating operation even with the high outside-air tempera- ture.
  • Page 40 3-5 Defrosting in HEAT mode <Defrosting time chart> Defrosting Defrosting starts. stops. Indoor unit Indoor fan 35degrees (SW5-3 OFF) or 20degrees (SW5-3:ON) airflow direction (Remote controller still displays set direction.) Auto vane Set direction Set direction Outdoor unit 4-way valve Bypass valve Outdoor fan Compressor...
  • Page 41 (3) Defrost interval The defrost interval time is determined as follows. Initial defrost interval is 50 minutes. The defrost interval after defrosting depends on the preceding defrosting time as shown below. Defrosting operation time Next defrost interval 3 minutes or below 120 minutes 3 to 7 minutes 80 minutes...
  • Page 42 3-7 Service functions (1) Compulsory defrositng 1When 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, SW3-2 : The outdoor coil thermistor reads 8°C or below.

  • Page 43: Troubleshooting

    TROUBLESHOOTING 1.TROUBLE IN TEST RUN Symptom Cause Check points The display “CENTRALLY 1) Wrong address setting of remote con- 1) Check the address setting of remote controller CONTROLLED” on remote troller/indoor controller board. and indoor controller. controller dose not disappear. 2) Timer adapter is connected to the 2) Make sure the timer adapter is used correctly.
  • Page 44 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 remote con- troller. (A) ON the set temperature display part, “CHECK” appears, and the unit address and the check code are diplayed alternately at one-second intervals.
  • Page 45 Check Diagnosis of malfunction Cause Check points code Signal transmitting/receiving During individual unit control 1) Check the transmission wire. error 1) Bad contact of transmission 2) Check with another remote controller. If “EO” is (Indoor controller does not wire still indicated, replace the indoor controller respond to remote controller 2) Signal transmitting/receiving cir- board.
  • Page 46 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.
  • Page 47 3-1 Outdoor coil temperature To obtain data on the outdoor coil temperature, add the number of bits of lighting LEDs, and see the graph below to find the temperature. (Short 238 bits) (Short 238 bits) (Short 238 bits) (Open 8 bits) (Open 8 bits) (Open 8 bits) Number of bits...
  • Page 48 4. TROUBLESHOOTING ACCORDING TO CHECK CODE Blinking Diagnosis of malfunction Cause Check point Reversed phase Phases A , and A are con- Check the power supply connection. nected improperly. Open phase Phase A is open. Check the power supply. Contact of protector, such as Check each protector.
  • Page 49 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 controller when the POWER button is pressed. The beep sound will also not be heard. 6-2 Phenomenon due to wrong wiring between indoor and outdoor units Wrong wiring Mode...
  • Page 50 7. OTHER TROUBLES AND CAUSES Vanes do not work. Vane motor is damaged. Vane motor does not work. Vane motor relay is damaged. Limit swtich does not work. Connector is poorly connected. Limit switch is damaged. Vane motor is poorly assembled. The size of the cam is wrong.

  • Page 51: Way Air Flow System

    4-WAY AIR FLOW SYSTEM 1.Placement of the air outlets For this grill, the airflow direction comes in 5 patterns. Also, by setting the dipswitches (SWA and SWB)on the indoor board to the appropriate settings, you can adjust the air flow and speed.

  • Page 52: System Control

    SYSTEM CONTROL 1. VARIETY OF SYSTEM CONTROL FUNCTIONS Many units, installed at different locations, can be started 1Group control with and controlled with a aingle remote controller. The remote a single remote controller can be mounted in a different location using a controller non-polar two-wire cable, which can be extended up to (See page 53.)
  • Page 53 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 Figure 1 (1) Connect the remote controller to the double terminal block on the indoor controller board of the master unit (No.0 unit).
  • Page 54 3. REMOTE ON-OFF AND INDIVIDUAL REMOTE CONTROLS This method is available 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 switch to the system. Timer adapter is an optional part. Other parts are available on the market. (A) To start all units in order by remote ON-OFF switch (B) To stop all units simultaneously by remote ON-OFF switch (C) To switch between the remote ON-OFF control and the individual remote control...
  • Page 55 4. INDIVIDUAL CONTROL BY GROUPING THE REMOTE CONTROLLERS Grouping the remote controllers allows individual control and cen- tralized monitoring of units installed in different places without a special control board. Remote Remote control cables are extendable up to 500m. When the cable controller cable (2-core) length exceeds 12m, use the double-insulated two-care cable such as Belden 9407.
  • Page 56 6. AUTO RESTART FUNCTION By setting the dipswitch SW1-10 to ON, the air conditioner can be started/stopped by power supply ON/OFF. If the air conditioner is OFF before the power failure, it will not start operation by power restore. <Wiring> A : an optional timer adapter B : a single-throw switch Brown...

  • Page 57: Disassembly Procedure

    DISASSEMBLY PROCEDURE 1. INDOOR UNIT Be careful on removing heavy parts. OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS Shaft 1. Removing the air intake grill Figure 1 PUSH (1) Press the button. (2) Open the intake grill 90°. (3) Remove the chip. (4) Slide the shaft in the hinge to the left and remove the intake grill.
  • Page 58 OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS 5. Removing the room temperature thermistor Photo 5 (1) Remove the fan guard. Indoor controller board (2) Remove the electrical box cover (3) Remove the holder and the room temperature thermistor by pulling the catch. (4) Disconnect the red connector, CN20, on the indoor con- Room troller board.
  • Page 59 OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS 9. Removing the drain pump and drain sensor Photo 9 Drain hose Drain sensor holder (1) Remove the panel. (2) Remove the fan guard. (3) Remove the electrical parts cover. (4) Remove the electrical parts box. (5) Remove the drain pan. (6) Remove 4 screws of the drain pump.

  • Page 60: Parts List

    PARTS LIST PANEL PARTS PLH-1.6KKHC PLH-2KKHC PLH-2.5KKHC Q'ty/set Price Wiring Recom- Remarks PLH-1.6/2./2.5 Diagram mended Part No. Part Name Specification (Drawing No.) Unit Amount Symbol Q'ty KKHC T7W 560 003 AIR OUTLET GRILLE R01 29H 500 AIR FILTER R01 29H 691 INTAKE GRILLE R01 29H 061 HINGE...
  • Page 61 PANEL PARTS PLH-1.6KKHC PLH-2KKHC PLH-2.5KKHC Q'ty/set Price Wiring Recom- Remarks Diagram mended Part No. Part Name Specification PLH-1.6/2./2.5 (Drawing No.) Unit Amount Symbol Q'ty KKHC R01 29H 002 AUTO VANE R01 29H 085 AIR GUIDE R01 29H 223 VANE MOTOR R01 29H 063 SPRING JOINT 1 <3/SET>...
  • Page 62 FUNCTIONAL PARTS PLH-1.6KKHC PLH-2KKHC PLH-2.5KKHC...
  • Page 63 Part numbers that are cicled are not shown in the figure. Q'ty/set Price Wiring Recom- Remarks PLH-1.6 PLH-2 PLH-2.5 Diagram mended Part No. Part Name Specification (Drawing No.) Unit Amount Symbol Q'ty KKHC — BASE (BG02Y348G06) — (BG00T672G08) — (BG00T672G09) —...

  • Page 64: Optional Parts

    OPTIONAL PARTS 1. REFRIGERANT PIPES Service Ref. : PLH-1.6KKHC/PLH-2KKHC/PLH-2.5KKHC Part No. PAC-05FFS PAC-07FFS PAC-10FFS PAC-15FFS Pipe length Pipe size O.D. Liquid:[9.52 Gas:[15.88 Connection methed Indoor unit:Flared Outdoor unit:Flared Note 1. How to connect refrigerant pipes. Factory supplied optional refrigerant pipings contain refrigerant at the above atmospheric pressures. As long as the connection takes no more than 5 minutes, no air will enter, and there will be no need for air purging.
  • Page 65 2-3. How to connect program timer (1) Install the program timer next to the remote controller the same way as the remote controller is installed. (2) Connect the program timer and the remote controller with a 6-wire cable as shown in the figure below Connect to indoor unit NOTE:While the program timer is connected to the remote controller, the with 2-wire cable.
  • Page 66 DUAL D U A L C E N T R A L O P E R A T I O N CENTRAL MITSUBISHI ELECTRIC 10 9 8 7 6 5 4 3 2 1 1 1 7 5-2. Functions POWER ON/OFF switch Operation ON/OFF switch.
  • Page 67 5-3 Connection method (1) Connections in the power supply cord. 1. Connect the power supply cord to the power supply terminal-block and fix it in-place with a tie-wrap. Connect a single phase 200V AV (220, 230, 240V) to A N . As E is the GND terminal, be sure to ground the earth wire.
  • Page 68 6. PROGRAM TIMER ADAPTER This adapter is needed when a centralized remote controller(PAC-805RC)is used. Part No. PAC-825AD 6-1 Parts included 1 ADAPTER ·························1P 2 3-core cable···························1P 3 3-core cable···························1P Length : 2m (6' 7") Length : 2m (6' 7") 4 4-core cable···························1P 5 5-core cable···························1P Length : 2m (6' 7") Length : 2m (6' 7")
  • Page 69 (3) Connections from adaptor Fig.3 To program timer or Adaptor 200~240V AC centralized remote controller CN30 CN50 3-core cable 5-core cable 5 CN51 Remote controller Indoor unit Max. length of each cable is 10m. 6-3 Dimensions (Unit : mm) Fig. 4 40 27 3holes 4Fixing screw holes...
  • Page 70 7. SPACE PANEL Part No. PAC-SE01AS-E Applied Service Ref. PLH-1.6KKHC/PLH-2KKHC/PLH-2.5KKHC Hole 8. WIDE PANEL Part No. PAC-SE06WP-E Applied Service Ref. PLH-1.6KKHC/PLH-2KKHC/PLH-2.5KKHC R18047.5 Hole R18102.5 9. AIR OUTLET SHUTTER PLATE Part No. PAC-SF38SP-E Applied Service Ref. PLH-1.6KKHC/PLH-2KKHC/PLH-2.5KKHC...
  • Page 71 10. MULTI-FUNCTIONAL CASEMENT Part No. PAC-SE21TM-E Applied Service Ref. PLH-1.6KKHC/PLH-2KKHC/PLH-2.5KKHC Parts included : Screw with Tapping Casement Duct flange Hook Band washer screw 1 pc 4 pcs 1 pc 6 pcs 2 pcs 1 pc M5 0.8 15 4 10 11.
  • Page 72 HEAD OFFICE MITSUBISHI DENKI BLDG.MARUNOUCHI TOKYO100 TELEX J24532 CABLE MELCO TOKYO New publication, effective Jun. 1997 cCopyright 1997 MITSUBISHI ELECTRIC ENGINEERING CO., LTD. Specifications subject to change without notice Issued in Jun.1997 NO. OC123 440 Printed in Japan...

This manual is also suitable for:

Mr. slim plh-1.6kkhcMr. slim plh-2kkhcMr. slim plh-2.5kkhc

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