Mitsubishi Electric PKH18FK1 Technical & Service Manual

Series pkh wall mounted/series pch ceiling suspended/series plh ceiling cassettes
Hide thumbs

Advertisement

SPLIT-TYPE,HEAT PUMP AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
Wall Mounted
Series PKH
PKH18FK
[Models]
PKH24FK
PKH30FK
PKH36FK

Ceiling Suspended

Series PCH
PCH24EK
[Models]
PCH30EK
PCH36EK
PCH42EK
Ceiling Cassettes
Series PLH
PLH18AK,
[Models]
PLH24AK,
PLH30AK,
PLH36AK,
PLH42AK,
Revision:
•PKH18FK, PKH24FK,PKH30FK,PKH36FK is
deleted.
•PCH24EK, PCH30EK, PCH36EK, PCH42EK is
deleted.
•PKH18FK
, PKH24FK
, PKH30FK
1
1
are added.
•PCH24EK
, PCH30EK
, PCH36EK
1
1
are added.
•PLH18FK
, PLH24FK
, PLH30FK
1
1
PLH42FK
are added.
1
1
1
1
1
1
1
1
1
PLH18FK
PLH24FK
PLH30FK
PLH36FK
PLH42FK
, PKH36FK
1
1
, PCH42EK
1
1
, PLH36FK
,
1
1
R
1
1
CONTENTS
1
1. PCH Series ··································OC193-1
1
2. PLH Series ··································OC195-1
1
3. PKH Series ··································OC197-1
4. PLH Series ··································OC244-1
C
R
No. OC255
REVISED EDITION-B
TM

Advertisement

loading

  Related Manuals for Mitsubishi Electric PKH18FK1

  Summary of Contents for Mitsubishi Electric PKH18FK1

  • Page 1: Ceiling Suspended

    SPLIT-TYPE,HEAT PUMP AIR CONDITIONERS No. OC255 REVISED EDITION-B TECHNICAL & SERVICE MANUAL Wall Mounted Series PKH PKH18FK [Models] PKH24FK PKH30FK PKH36FK Ceiling Suspended Series PCH PCH24EK [Models] PCH30EK PCH36EK PCH42EK Ceiling Cassettes Series PLH PLH18AK, PLH18FK [Models] PLH24AK, PLH24FK CONTENTS PLH30AK, PLH30FK PLH36AK,...
  • Page 3: Table Of Contents

    PCH24EK PCH30EK PCH36EK PCH42EK CONTENTS 1. TECHNICAL CHANGE ··················································································OC193- 2 2. FEATURES ····································································································OC193- 3 3. PART NAMES AND FUNCTIONS··································································OC193- 6 4. SPECIFICATIONS ··························································································OC193- 8 5. DATA ··············································································································OC193- 9 6. OUTLINES AND DIMENSIONS ····································································OC193-20 7. REFRIGERANT SYSTEM DIAGRAM ····························································OC193-22 8. WIRING DIAGRAM ························································································OC193-23 9.
  • Page 4: Technical Change

    TECHNICAL CHANGE Differences with OC002 which is a basic service manual. Change points Appearances o 2- o 4- No.9 Switch for temperature unit Canceled Remote SW17 controller Dip switch No.0 Switch for louvers Canceled SW18 — Addition of "Mode selector" No.10 Dip switch No.3...
  • Page 5: Features

    FEATURES SWING TIMER OFF TIMER CLOCK AUTO AUTO CHECK SET TEMP. START STOP FILTER SPEED AUTO CHECK MODE RETURN TEST RUN PCH24EK Microprocessor Indoor Unit Remote controller Models Cooling capacity / Heating capacity SEER PCH24EK 24,000 / 27,000 (33,500) Btu/h 10.3 PCH30EK 30,000 / 33,000 (41,500) Btu/h...
  • Page 6 (2) Group Control by a Single Remote Controller In an application requiring a number of air conditioner units in a large area on a single floor, up to 50 units can be centrally controlled using a single remote controller. The remote controller controls Power ON-OFF, set temperature, fan speed, swing louver ON-OFF timer, and auto vane position of all units of the group.
  • Page 7 • Mitsubishi exclusive LCD indicators show the temperature selected and the current room temperature. This system ensures full protection against excessive cooling. • The Mitsubishi Electric split-type air-to-air PCH models feature highly precise compressors with large-capacity heat exchangers for efficient operation.
  • Page 8: Part Names And Functions

    PART NAMES AND FUNCTIONS Remote controller Once the controls are set, the same operation mode can be repeated by simply pressing the ON / OFF button. Remote controller operation buttons CLOCK/TIMER button TIMER ON/OFF button This sets or switches the current time,start time and stop time.
  • Page 9: Remote Controller Display

    Remote controller display In this display example on the bottom left, a condi- CENTRALLY CLOCK 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 time can be displayed in ten second actual operation.
  • Page 10: Specifications

    SPECIFICATIONS MODELS : PCH24/30/36/42EK Model PCH24EK PCH30EK PCH36EK PCH42EK Item Cooling *1 Btu/h 24,000 30,000 35,400 42,000 Capacity Heating *1 Btu/h 27,000[32,500/33,500] 33,000[39,800/41,500] 38,000[45,900/47,600] 45,000[52,900/54,600] Heating *2 Btu/h 18,400[23,900/24,900] 18,000[24,800/26,500] 19,600[27,500/29,200] 24,800[32,700/34,400] Moisture removal Pints/h 10.9 12.3 Cooling *1 2.46 3.06 3.53 4.37...
  • Page 11: Data

    DATA MODELS : PCH24/30/36/42EK 1. PERFORMANCE DATA 1) COOLING CAPACITY Outdoor intake air DB temperature ( ˚F ) Models Airflow Models ( CFM ) ( ˚F ) 28.4 16.1 2.15 27.1 15.8 2.34 25.7 15.4 2.53 24.3 15.1 2.74 22.7 14.8 2.95 PCH24EK...
  • Page 12 2) HEATING CAPACITY Auxiliary heater Outdoor intake air WB temperature ( ˚F ) Models 208V Models 230V Airflow ( ˚F ) (CFM) 18.7 2.19 21.1 2.29 23.9 2.42 27.5 2.60 31.2 2.81 36.3 3.03 PCH24EK 19.1 2.09 21.3 2.19 24.3 2.29 27.9 2.45...
  • Page 13: Performance Curve

    2. PERFORMANCE CURVE NOTES : A point on the curve shows the reference point. PCH24EK COOLING CAPACITY PCH24EK HEATING CAPACITY SHF=0.73 Not include booster heater (1.9kW) Indoor intake air DB temperature ( F) Indoor intake air WB temperature ( F) Indoor intake air DB temperature ( F) Indoor intake air WB temperature ( F) 32 35...
  • Page 14 NOTES : A point on the curve shows the reference point. PCH36EK COOLING CAPACITY PCH36EK HEATING CAPACITY SHF=0.73 Not include booster heater (2.8kW) Indoor intake air WB temperature ( F) Indoor intake air DB temperature ( F) Indoor intake air DB temperature ( F) Indoor intake air WB temperature ( F) 32 35 65(67) 75...
  • Page 15: Cooling Mode

    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> PCH24EK (psi.G) PCH24EK (psi.G) Indoor DB temperature( F) Indoor DB temperature( F) DB( F) DB( F)
  • Page 16 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> PCH30EK (psi.G) PCH30EK (psi.G) Indoor DB temperature( F) Indoor DB temperature( F) DB( F) DB( F) Outdoor ambient temperature...
  • Page 17 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> PCH36EK (psi.G) PCH36EK (psi.G) Indoor DB temperature( F) Indoor DB temperature( F) DB( F) DB( F) Outdoor ambient temperature...
  • Page 18 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> PCH42EK (psi.G) PCH42EK (psi.G) Indoor DB temperature( F) Indoor DB temperature( F) DB( F) DB( F) Outdoor ambient temperature...
  • Page 19: Standard Operation Data

    4. STANDARD OPERATION DATA Models PCH24EK PCH30EK PCH36EK PCH42EK Item Unit Cooling Heating Cooling Heating Cooling Heating Cooling Heating 208/230 208/230 208/230 208/230 208/230 208/230 208/230 208/230 Voltage Frequency Total input 2.46 2.42 3.06 3.13 3.53 4.37 Indoor fan current 7.6/8.4 9.8/10.8 10.8/12.0...
  • Page 20: Operating Range

    5. OPERATING RANGE 1) POWER SUPPLY Min. Max. 198V 208V 230V 253V 1 Phase 60Hz 208/230V Guaranteed voltage range 2) OPERATION Air intake temperature Indoor Outdoor Function Condition DB ( ˚F ) WB ( ˚F ) DB ( ˚F ) WB ( ˚F ) Standard temperature Maximum temperature...
  • Page 21: Noise Criterion Curves

    8. NOISE CRITERION CURVES PCH36EK PCH24EK SPL(dB) LINE NOTCH NOTCH SPL(dB) LINE PCH30EK NC-70 NC-70 NC-60 NC-60 NC-50 NC-50 NC-40 NC-40 NC-30 NC-30 APPROXIMATE APPROXIMATE THRESHOLD OF THRESHOLD OF HEARING FOR HEARING FOR NC-20 NC-20 CONTINUOUS CONTINUOUS NOISE NOISE 1000 2000 4000 8000...
  • Page 22: Outlines And Dimensions

    OUTLINES AND DIMENSIONS Indoor unit PCH24/30EK Unit:inch OC193-20...
  • Page 23 Indoor unit PCH36/42EK Unit:inch OC193-21...
  • Page 24: Refrigerant System Diagram

    Remote controller Unit : inch 5-1/8 3/32 23/32 SWING TIMER OFF TIMER CLOCK AUTO AUTO CHECK SET TEMP. START STOP FILTER SPEED AUTO CHECK MODE RETURN TEST RUN REFRIGERANT SYSTEM DIAGRAM PCH24EK Refrigerant pipe (option) {5/8" (with heat insulator) Strainer Indoor coil Refrigerant pipe thermistor...
  • Page 25: Wiring Diagram

    WIRING DIAGRAM MODEL PCH24EK WIRING DIAGRAM SYMBOL NAME SYMBOL NAME SYMBOL NAME FAN MOTOR CAPACITOR LOUVER MOTOR SW17<R.B> ADDRESS SELECTOR SWITCH CN1<R.B> PROGRAM TIMER CONNECTOR VANE MOTOR SW18<R.B> FUNCTION SELECTOR SWITCH CN2<R.B> REMOTE SWITCH CONNECTOR REMOTE CONTROLLER BOARD TRANSFORMER CN27<I.B> DRAIN UP MECHA.
  • Page 26 MODELS PCH30EK PCH36EK PCH42EK WIRING DIAGRAM SYMBOL NAME SYMBOL NAME SYMBOL NAME FAN MOTOR CAPACITOR LIMIT SWITCH SW6<I.B> MODEL SELECTOR SWITCH CN1<R.B> PROGRAM TIMER CONNECTOR FAN MOTOR (INNER THERMOSTAT) SW17<R.B> ADDRESS SELECTOR SWITCH CN2<R.B> REMOTE SWITCH CONNECTOR LOUVER MOTOR SW18<R.B> FUNCTION SELECTOR SWITCH CN27<I.B>...
  • Page 27: 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 28 COOLING OPERATION COOL operation Four-way valve/OFF Initial COOLING Vane initial setting Vane 60 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 29: Dry Operation

    DRY OPERATION operation Four-way valve / OFF Initial dry operation Vane Vane initial setting setting notch w 12 Room temperature is 64°F or lower During compressor ON 3-minute 3-minute compressor time delay operation Compressor & Compressor & thermostat ON thermostat 10-minute Compressor ON compressor...
  • Page 30: Heating Operation

    HEATING OPERATION Heat operation w 11 w 15 Initial Heating area HEATING Defrost release 3-minute Vane initial setting Vane setting notch Auxiliary heater Defrost 30 min. elaspe Indoor coil Defrosting Outdoor unit trouble thermistor is 140-F or higher Four-way valve ON FAN speed Low notch Hot adjust...
  • Page 31: Microprocessor Control

    MICROPROCESSOR CONTROL 1.OUTLINE OF MICROPROCESSOR CONTROL Remote controller board INPUT to remote controller OUTPUT to remote controller Processes and transmits OFF-ON switching. orders. Remote controller COOL/DRY-AUTO-HEAT selector switching. LCD indicator Thermostat setting. TIMER mode selector-switching and Timer setting. HIGH-LOW fan speed switching. TIMER OFF TIMER CLOCK AUTO AUTO CHECK SET TEMP.
  • Page 32: Indoor Unit Control

    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 SET TEMP. button to set the desired temperature. SWING TIMER OFF TIMER CLOCK AUTO AUTO NOTE: Set temperature changes 2°F when the SET TEMP.
  • Page 33 5 Coil frost protection When indoor coil temperature becomes 5°F 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 5°F or below for 3 minutes,the coil frost protection will start. <Coil frost protection>...
  • Page 34 (4) Detecting abnormalities in the outdoor unit After the compressor has been continuously operated for 3 minutes, if the difference between the indoor coil temperature and room temperature is out of RANGE C for 1 minute, the indoor fan speed will turn to LOW. Five minutes later, if the dif- ference is still out of RANGE C,the outdoor unit is functioning abnormally.
  • Page 35 2-2 DRY operation <How to operate> SWING 1 Press POWER ON/OFF button. TIMER OFF TIMER CLOCK AUTO AUTO CHECK SET TEMP. START STOP FILTER SPEED AUTO CHECK MODE 2 Press the MODE button to display “DRY” RETURN TEST RUN 3 Press the SET TEMP. button to set the desired temperature. NOTE: The set temperature changes 2°F when the SET TEMP.
  • Page 36 4The compressor will not start when the room temperature is 64°F or below. The compressor starts intermittent operation when the power is turned ON with room temperature above 64°F. 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 85°F with thermostat ON, the compressor will operate for 6 more min- utes and then stop for 3 minutes.
  • Page 37 2-3 HEAT operation <How to operate> 1 Press POWER ON/OFF button. 2 Press the MODE button to display “HEAT” 3 Press the SET TEMP. button to set the desired temperature. SWING TIMER OFF TIMER CLOCK AUTO AUTO NOTE: The set temperature changes 2°F when the SET TEMP. CHECK SET TEMP.
  • Page 38 (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 39 (5) Detecting abnormalities in the outdoor unit When the outdoor unit is determined to be abnormal by the following causes, the compressor will stop and the check code “ P8 ” will appear on the remote controller display. ( i ) During compressor ON while hot adjustment is set. 1 If the difference between the indoor coil temperature and room temperature is in the RANGE B, the indoor fan will stop.
  • Page 40 2-4 AUTO operation (Automatic COOL/HEAT change over operation) <How to operate> 1 Press POWER ON/OFF button. 2 Press the MODE button to display “AUTO” SWING TIMER OFF TIMER CLOCK AUTO AUTO 3 Press the SET TEMP. button to set the desired temperature. CHECK SET TEMP.
  • Page 41 2-5 Auto vane control <How to operate> To change the air flow direction, press AIR DISCHARGE button. SWING TIMER OFF TIMER CLOCK AUTO AUTO CHECK SET TEMP. START STOP FILTER SPEED AUTO CHECK MODE RETURN TEST RUN 60% downward 80% downward 100% 100% downward horizontal...
  • Page 42 2-6 TIMER operation WIRED REMOTE CONTROLLER <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. Press POWER ON/OFF button. SWING TIMER OFF TIMER CLOCK AUTO AUTO...
  • Page 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 room temperature. The code should fall with the lapse of time in normal COOL operation, and should rise in normal HEAT operation.
  • Page 44 3 DIP SWITCH FUNCTIONS Each figure shows the initial setting by factory. 3-1 On remote controller board (1) SW17(Address selector) 8 7 6 5 4 3 2 1 SW17-1 ~ 6) Switch 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 45: Indoor Fan Control

    SW1-6) Switch for set temperature adjustment in heating mode During heating operation, warm air collects near ceiling. When indoor unit is installed near ceiling, temperature read by room temperature thermistor and temperature near floor differ by about 7 deg. Therefore, set temperature of the indoor unit must be adjusted 7 deg.
  • Page 46: Troubleshooting

    TROUBLE SHOOTING 1. REMOTE CONTROLLER DISPLAY ABNORMALITY Display abnormality Cause Check points The display “centrally con- 1) Wrong address setting of remote con- 1) Check the address setting of remote controller trolled” on remote con- troller/indoor controller board. and indoor controller. troller does not disappear.
  • Page 47: Wired Remote Controller

    2. SELF DIAGNOSTIC FUNCTION WITH REMOTE CONTROLLER (WIRED 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 controller. (1) ON the set temperature display part, “CHECK” appears, and the unit CHECK mode address and the check code are displayed alternately at one-second intervals.
  • Page 48 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 “E0” is Indoor controller does not wire still indicated, replace the indoor controller respond to remote controller 2) Signal transmitting/receiving cir- board.
  • Page 49 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 controller when the POWER button is pressed. The beep sound will also not be heard. 3-2 Phenomenon due to wrong wiring between indoor and outdoor units Wrong wiring Mode...
  • Page 50 4. OTHER TROUBLES AND CAUSES vanes do not work. Vane motor has broken. Vane motor does not work. Vane motor relay has broken. Limit switch does not work. Connector is badly connected. Limit switch has broken. Vane motor is badly assembled. Size of cam is not proper.
  • Page 51 5. How to check the parts Parts name Check points Room temperature Disconnect the connector then measure the resistance using a tester. thermistor (TH1) (Surrounding temperature 50-F~86-F) Liquid pipe Normal Abnormal (Refer to the thermistor) thermistor (TH2) 4.3k"~9.6k" Open or short Vane motor Measure the resistance between the terminals using a tester.
  • Page 52 <Thermistor Characteristic graph> < Thermistor for lower temperature > Room temperature thermistor(TH1) Thermistor for Liquid pipe thermistor(TH2) lower temperature Thermistor R =15k’ ± 3% Fixed number of B=3480k’ ± 2% Rt=15exp { 3480( 273+{(t-32)/1.8} 32°F 15k’ 50°F 9.6k’ 68°F 6.3k’ 77°F 5.2k’...
  • Page 53: System Control

    SYSTEM CONTROL 1. VARIETY OF SYSTEM CONTROL FUNCTIONS A number of units, installed at different locations can be 1 Group control by a started and controlled with a single remote controller. The single remote con- remote controller can be mounted in a different location troller using a non-polar two-wire cable, which can be extended (See page...
  • Page 54 2. GROUP CONTROL BY 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, that is, To remote No.0 unit.
  • Page 55 3. CONTROL USING TWO REMOTE CONTROLLERS Two remote controllers are available for control of either one unit or a group of units. Units operate according to the latest com- mand from either of the two remote controllers. However, before operation, be sure to set one remote controller for "main controller" and the other for "sub controller", using dip switch SW17-7 of the remote controller.
  • Page 56 NOTE1 : Install the relay box where you 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 wire to the remote controller cable directly.
  • Page 57 6. MULTIPLE REMOTE CONTROL DISPLAY You can control several units by a multiple remote control display, if you Indoor controller board wire an optional multiple display adapter (PAC-725AD) with relays and lamps on the market. 6-1 How to wire (1) Connect the multiple display adapter to the connector CN51 on the indoor controller board.
  • Page 58: Disassembly Procedure

    DISASSEMBLY PROCEDURE PCH24FK OPERATING PROCEDURE PHOTOS&ILLUSTRATION 1. Removing the air intake grille Figure 1 (1) Unhook the clasps at the edge of the grille and open the grill. (2) Lift up the grill in direction of arrow 1 in Figure.2. (3) Pull the grill toward you to remove.
  • Page 59 OPERATING PROCEDURE PHOTOS&ILLUSTRATION (4) Remove the electrical box set screws. (2 pcs) Pull down Figure 5 the electrical box and hang it from the rear panel using the S hooks located on the both sides of the box. (5) The electrical box has two covers. (R and L) Remove the 2 screws on the cover (R), and remove the screw on the cover (L).
  • Page 60 OPERATING PROCEDURE PHOTOS 5. Removing the drain pan Photo 3 After removing the lower panel: (1) Remove the drain pan support set screws (2 pcs) Drain support set screws (2 pcs) (2) Remove the louver support set screw. (See photo 3) (3) Remove the drain pan.
  • Page 61 OPERATING PROCEDURE PHOTOS 8. Removing the louver motor and vane motor Photo 6 Remove only the right side panel to remove these motors. (1) Remove setting screws of each motor. (2 pcs each, total 4 Vane motor pcs) (See photo 6) Side box (R) Louver motor 9.
  • Page 62 OPERATING PROCEDURE PHOTOS 14. Removing the fan motor Photo 9 After remove the electrical box covers: Fan motor (1) Disconnect the lead connector for fan. Casing (A) (2) Pull out the room temp. thermistor from the casing (A). (See photo 9) (3) Loose the shaft joint set screws (2 pcs) with a hexagonal wrench.
  • Page 63: Parts List

    PARTS LIST PCH24EK PCH30EK PCH36EK PCH42EK ELECTRICAL PARTS PCH24EK PCH30EK PCH36EK PCH42EK Q'ty/set Price Circuit Recom- Remarks Specifications Diagram mended Parts No. Parts Name Drawing No. Unit Amount Symbol Q'ty EK EK EK EK EK EK EK EK R01 L72 310 INDOOR CONTROLLER BOARD T7W E06 310 INDOOR CONTROLLER BOARD...
  • Page 64 PCH24EK PCH30EK FAN & HEATER PARTS PCH24EK PCH30EK Q'ty/set Price Circuit Recom- Specifications Remarks Diagram mended Parts No. Parts Name Drawing No. Unit Amount Symbol Q'ty T7W 051 762 FAN MOTOR VB090CE R01 811 105 RUBBER MOUNT R01 700 116 JOINT (SHAFT) R01 29J 116 JOINT (SHAFT)
  • Page 65 PCH36EK PCH42EK FAN & HEATER PARTS PCH36EK PCH42EK Q'ty/set Price Circuit Recom- Remarks Specifications Diagram mended Parts No. Parts Name Drawing No. Unit Amount Symbol Q'ty EK EK EK EK T7W 055 762 FAN MOTOR KVB152CC R01 560 105 RUBBER MOUNT R01 700 116 JOINT (SHAFT) R01 29J 116...
  • Page 66 PCH24EK PCH30EK STRUCTURAL PARTS PCH24EK PCH30EK OC193-64...
  • Page 67 Part number that is circled is not shown in the figure. Q'ty/set Price Circuit Recom- Remarks Specifications Diagram mended Parts No. Parts Name Drawing No. Unit Amount Symbol Q'ty EK EK EK EK R01 055 662 SIDE PANEL (LEFT) R01 055 661 SIDE PANEL (RIGHT) R01 051 651 FRONT PANEL (UPPER)
  • Page 68 PCH36EK PCH42EK STRUCTURAL PARTS PCH36EK PCH42EK OC193-66...
  • Page 69 Part number that is circled is not shown in the figure. Q'ty/set Price Circuit Recom- Specifications Diagram mended Parts No. Parts Name Remarks Drawing No. Unit Amount Symbol Q'ty R01 055 662 SIDE PANEL (LEFT) R01 055 661 SIDE PANEL (RIGHT) R01 055 651 FRONT PANEL (UPPER) R01 055 652...
  • Page 70: Optional Parts

    OPTIONAL PARTS 1. TIMER When using a program timer, a program timer adapter (PAC-825AD) is also needed. (PAC-825AD is included with PAC-SC32PTA.) Part No. PAC-SC32PTA (with set back function) Model Name Program timer 1-1 Program timer specifications Parts name Program timer Parts No.
  • Page 71: Names And Functions

    1-4 Names and functions <PAC-SC32PTA> DAILY TIMER SETTING DISPLAY WEEKLY TIMER SETTING DISPLAY SET BACK DISPLAY CURRENT TIME DISPLAY During MONITOR status,current Sets timer for a week. Indicates the set back range. 24 hours is divided into 48 blocks and each time is display.
  • Page 73 HEAD OFFICE: MITSUBISHI DENKI BLDG., 2-2-3, MARUNOUCHI CHIYODA-KU, TOKYO100-8310, JAPAN © Copyright 2000 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD. Distributed in Jun. 2001. No.OC255 REVISED EDITION-B Distributed in Mar. 2001. No.OC255 REVISED EDITION-A New publication, effective Jun. 2001 Distributed in Dec. 2000. No.OC255...