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Table of Contents
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
Series PEH
Indoor unit
PEH-2.5EKHA
[Models]
PEH-3EKHA
PEH-4EKHSA
PEH-5EKHSA
PEH-2.5EKHA
[Service Ref.]
PEH-3EKHA
PEH-4EKHSA
PEH-5EKHSA
Indoor unit
Ceiling Concealed
2
.TH
2
2
2
FILTER
CHECK MODE
TEST RUN
Remote controller
This manual does not cover the following
outdoor units. When servicing them,
please refer to the service manual
No.OC128,150 and this manual in a set.
[Service Ref.]
PUH-2.5VKA
PUH-3VKA
PUH-4YKSA
PUH-5YKSA
PUH-2.5VKA
PUH-3VKA
PUH-3YKA
PUH-4YKSA
.TH
PUH-5YKSA
.TH
.TH
CONTENTS
1. FEATURES ···········································2
2. PART NAMES AND FUNCTIONS ········3
3. SPECIFICATIONS·································6
4. DATA ·····················································8
5. OUTLINES AND DIMENSIONS··········14
6. WIRING DIAGRAM·····························18
7. REFRIGERANT SYSTEM DIAGRAM ······19
8. OPERATION FLOW-CHART ··············20
9. MICROPROCESSOR CONTROL·······24
10. TROUBLESHOOTING ························41
11. DISASSEMBLY PROCEDURE ···········49
12. PARTS LIST········································51
13. OPTIONAL PARTS ·····························55
The Slim Line.
From Mitsubishi Electric.
No. OC153
2
,3YKA
2
2
3
3
.UK
2
.UK
2
.UK
2
.UK
2
.UK
2
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Table of Contents
Related Manuals for Mitsubishi Electric Mr.SLIM PEH Series
Summary of Contents for Mitsubishi Electric Mr.SLIM PEH Series
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Page 1: Table Of Contents
7. REFRIGERANT SYSTEM DIAGRAM ······19 8. OPERATION FLOW-CHART ··············20 Indoor unit 9. MICROPROCESSOR CONTROL·······24 10. TROUBLESHOOTING ························41 11. DISASSEMBLY PROCEDURE ···········49 12. PARTS LIST········································51 FILTER 13. OPTIONAL PARTS ·····························55 CHECK MODE TEST RUN The Slim Line. From Mitsubishi Electric. Remote controller... -
Page 2: Features
FEATURES Ceiling Concealed Series PEH FILTER CHECK MODE TEST RUN Indoor unit Remote controller Outdoor unit Cooling capacity / Heating capacity (with Heater) Service Ref. Btu / h PEH-2.5EKHA 6,400/6,700 (8,800) 21,800/22,900 (30,000) PEH-3EKHA 7,700/8,300 (10,400) 26,300/28,300 (35,500) PEH-4EKHSA 9,700/10,400(12,800) 33,100/35,500 (43,700) PEH-5EKHSA 12,400/13,000(16,000) -
Page 3: Part Names And Functions
Lastly, the operation costs are low due to the flexible control of each unit. This system was developed exclusively by Mitsubishi Electric because of high demand. The microprocessor control makes individual control, group control, control using two remote controllers, remote on / off control and individual control possible without troublesome equipment modifi- cations. - Page 4 Remote controller Once the operation of the unit is set, subsequent operations can only be performed by pressing the ON/OFF button repeately. Operation buttons w w button q button l button This switches between This sets of switches the This sets the ventilation fan continuous operation and current time.
- Page 5 Display In this display example on the bottom left, a condi- CENTRALLY r 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 tensecond actual operation.
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Page 6: Specifications
SPECIFICATIONS Service Ref. PEH-2.5EKHA PEH-3EKHA Item Function Cooling Heating Cooling Heating Cooling Heating 22,900 28,300 28,300 Btu/h 21,800 26,300 26,300 (30,000) (35,500) (35,500) Capacity 6,700 8,300 8,300 6,400 7,700 7,700 (8,800) (10,400) (10,400) 2.62 3.33 3.33 Total input 2.85 3.54 3.54 (4.72) (5.43) - Page 7 Service Ref. PEH-4EKHSA PEH-5EKHSA Item Cooling Heating Cooling Heating Function 35,500 44,400 33,100 42,300 Btu/h (43,700) (54,600) Capacity 10,400 13,000 9,700 12,400 (12,800) (16,000) 3.63 4.81 3.64 4.86 Total input (6.03) (7.81) Service Ref. PEH-4EKHSA PEH-5EKHSA Single, 50Hz, 220-240V Power supply(phase, cycle,voltage) 0.44 0.44(2.84) 0.65...
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Page 8: Data
DATA 1 PERFORMANCE DATA 1) COOLING CAPACITY Indoor Outdoor intake air D.B.°C Intake Service Ref. W.B.°C P.C. P.C. P.C. P.C. P.C. P.C. 6,457 2.28 6,280 2.38 6,049 2.56 5,804 2.75 5,545 2.93 5,271 3.12 6,875 2.33 6,694 2.43 6,450 2.62 6,194 2.82 5,926... - Page 9 2) HEATING CAPACITY Indoor Outdoor intake air D.B.°C Intake Service Ref. W.B.°C P.C. P.C. P.C. P.C. P.C. P.C. 4,588 1.79 5,259 1.98 5,994 2.18 6,792 2.39 7,653 2.61 8,576 2.85 PEH-2.5EKHA 4,393 1.93 5,052 2.13 5,768 2.34 6,539 2.57 7,366 2.81 8,247 3.07...
- Page 10 2. PERFORMANCE CURVE Cooling Heating INDOOR W.B.(°C) INDOOR D.B. (°C) INDOOR W.B.(°C) INDOOR D.B. (°C) -12-10 OUTDOOR D.B.(°C) OUTDOOR W.B.(°C)
- Page 11 3. FAN PERFORMANCE AND CORRECTED AIR FLOW (1) PEH-2.5EKHA PEH-3EKHA Corrected Air flow Capacity Input Cooling 1.05 Fan Performance Recommended range 0.95 17 20 Air flow (CMM) Heating 1.15 1.05 15 17 Air flow (CMM) 0.95 17 20 Air flow (CMM) (2) PEH-4EKHSA Corrected Airflow Cooling...
- Page 12 4. ELECTRICAL DATA Indoor unit ········220V 50Hz 1phase Outdoor unit ·····220V 50Hz 1phase / 380V 50Hz 3phase Indoor unit PEH-2.5EKHA PEH-3EKHA PEH-4EKHSA .TH PEH-5EKHSA Service Ref. Outdoor unit PUH-2.5VKA (.UK) PUH-3VKA (.UK) PUH-3YKA (.UK) PUH-4YKSA .UK) PUH-5YKSA .UK) Mode Cool Heat Cool Heat...
- Page 13 5. STANDARD OPERATION DATA PEH-2.5EKHA PEH-3EKHA PEH-4EKHSA .TH PEH-5EKHSA Service Ref. Mode Cooling Heating Cooling Heating Cooling Heating Cooling Heating Cooling Heating 6,700 8,300 8,300 10,400 13,000 6,400 7,700 7,700 9,700 12,400 Capacity (8,800) (10,400) (10,400) (12,800) (16,000) 2.62 3.33 3.33 3.63 4.81...
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Page 14: Outlines And Dimensions
OUTLINES AND DIMENSIONS 1. INDOOR UNITS Unit : mm (inch) PEH-2.5EKHA PEH-3EKHA 672(26 1/2) 600(24) 710(27 15/16) (4 3/16) 510(20 1/8) 10(3/8) 418(16 1/2) 339(13 3/8) (2 3/8) (13/16) 60 265(10 1/2) 22.5 24.5 690(27 3/16) 381(15) 10(3/8) 730(28 3/4) 650(25 5/8) 235(9 1/4) 300(11 13/16) - Page 15 PEH-4EKHSA Unit : mm (inch) 600(24) 942(37 1 16) 980(38 9 16) 795(31 5 16) 418(16 1/2) 10(3/8) (3 9/16) 42.5 339(13 3/8) 20(13/16) 11 65(=715) (3 3/8) (2 3/4) (9 5/8) 70 40 39.5 65 65 65 65 65 65 65 65 65 65 65 4 65(=260) 960(37 13 16) 22.5...
- Page 16 PEH-5EKHSA Unit : mm (inch) 600(24) 1180(46 7 16) 1142(44 15 16) 418(16 1/2) 10(3/8) 995(39 3 16) (3 9 16) 42.5 339(13 3/8) 20(13/16) (3 3/8) (2 3/4) (9 5/8) 14 65(=910) 39.5 39.5 65 65 65 65 65 65 65 65 65 65 65 65 65 65 4 65(=260) 1160(45 11 16) 65 65 65 65 65 65 65 65 65 65 65 65 65...
- Page 17 2. REMOTE CONTROLLER Unit : mm (inch) FILTER FILTER CHECK MODE CHECK MODE TEST RUN TEST RUN Rear side wiring arrangement opening. CAUTION SW18 SW17...
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Page 18: Wiring Diagram
WIRING DIAGRAM PEH-2.5/3/4/5EKH(S)A NAME NAME NAME SYMBOL SYMBOL SYMBOL FAN MOTOR CAPACITOR SW17<R.B> ADDRESS SELECTOR OVER HEAT PREVENTION THERMAL FUNCTION SELECTOR CN1<R.B> PROGRAM TIMER CONNECTOR SW18<R.B> SWITCH REMOTE SWITCH CONNECTOR TRANSFORMER CN2<R.B> LOSSNAY CONNECTOR POWER SUPPLY TERMINAL BLOCK CN2L<I.B> CN51<I.B> CENTRALLY CONTROL CONNECTOR INDOOR/OUTDOOR CONNECTING WIRE F<I.B>... -
Page 19: Refrigerant System Diagram
REFRIGERANT SYSTEM DIAGRAM Unit : mm PEH-2.5EKHA .TH/PUH-2.5 VKA (.UK) Refrigerant flow in cooling R.V.coil PEH-3EKHA .TH/PUH-3 VKA (.UK) Refrigerant flow in heating Heating:ON Cooling:OFF PUH-3 YKA (.UK) High pressure control switch Oil separator Refrigerant pipe Outdoor unit Service (option) 4-way valve port Outdoor heat exchanger... -
Page 20: 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 Operating mode STOP Trouble STOP (COOL) COOL operation PROTECTION DEVICE PROTECTION DEVICE SELF HOLD RELEASE SELF HOLD Operating mode... - Page 21 COOLING OPERATION COOL operation Four-way valve/OFF Compressor thermostat Allowance cancel 3-minute time delay 6-minute Aliowance time delay period 6 minute 3-minute time delay compressor operation Allowance set Coil frost protection Coil frost prevention Cooling area 10-minute compressor 1 min.continue operation Allowance cancel FAN speed Coil frost...
- Page 22 DRY OPERATION operation Four-way valve / OFF 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 10-minute compressor OFF timer start time set Compressor OFF Compressor ON...
- Page 23 HEATING OPERATION Heat operation Heating area Defrost release Defrost 30 min. elapse Defrpsting Outdoor unit trouble Four-way valve ON Hor adjust in process Compressor Indoor piping 35°C or higher 10-minute compressor Compressor operation thermostat ON FAN setting notch HOT adjust 3 min.restart 6 min.
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Page 24: Microprocessor Control
MICROPROCESSOR CONTROL 1.OUTLINE OF MICROPROCESSOR CONTROL OUTPUT to remore controller INPUT to remote controller Remote controller board Processes and transmits OFF-ON switching. Remote controller orders.orders. 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 TEST RUN switching. - Page 25 2. INDOOR UNIT CONTROL 2-1COOL operation <How to operate> 1 Press POWER ON/OFF button. 2 Press the button to display “ ” FILTER 3 Press the CHECK MODE TEMP button to set the desired temperature. TEST RUN NOTE: Set temperature changes 1°C when the button is pressed one time.
- Page 26 2-2 DRY 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 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 3 Press the CHECK MODE TEMP button to set the desired temperature. TEST RUN 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 (5) Indoor coil thermistor abnormality detection An abnormality can be detected during compressor ON, except for the following. For the first 20 minutes after the temperature difference between the indoor coil temperature and room temperature enters the RANGE C. When the temperature difference enters the RANGE C until it moves to the RANGE B. (6) Defrosting operation After the outdoor unit starts the defrosting operation, when the temperature difference beetween the indoor coil tempera- ture and room temperature gets out of RANGE A and into RANGE B, the indoor unit starts the defrosting mode.
- 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 2-6 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. AUTO OFF ············Timer is not active. <How to operate> FILTER 1. Press POWER ON/OFF button. CHECK MODE TEST RUN 2.
- Page 33 (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 34 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 35 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 36 (2) SW2 (Address selector) 1 2 3 4 5 6 SW2-1 SW2-2 Used in setting the unit-address for group control. SW2-3 SW2-4 SW2-5 (16) SW2-6 (32) (3) SW3 (Emergency operation switch) Normal operation For emergency cooling For emergency heating SW3-1)Drain pump SW3-2)Fan(extra high) 1 2 3 4 1 2 3 4...
- Page 37 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 38 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)discharge direction (Remote controller still displays set direction.) Auto vane Set direction Set direction Outdoor unit 4-way valve Bypass valve Outdoor fan Compressor (1) Start conditions A.
- Page 39 (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 40 3-7 Service functions (1) Compulsory defrosting 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.
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Page 41: Troubleshooting
TROUBLESHOOTING 1.TROUBLES 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 disap- 2) Timer adapter is connected to the 2) Make sure the timer adapter is used correctly. - Page 42 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. (1) ON the set temperature display part, “CHECK” appears, and the unit address and the check code are diplayed alternately at one-second intervals.
- Page 43 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 44 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 45 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 46 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 47 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 Thermostat...
- Page 48 7. OTHER TROUBLES AND CAUSES Unit stops after 5 to Refer to check code on remote controller display. Protection function is working. 20 seconds operation See page 43. Power ON/OFF button Beep sound is heard, Indoor/outdoor connect- is not available. but display is turned ing wire is connected OFF.
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Page 49: Disassembly Procedure
DISASSEMBLY PROCEDURE 1. INDOOR UNIT (PEH-3EKHA .TH) OPERATING PROCEDURE PHOTOS Photo 1 1. Removing the drain pan Room temperature thermistor (1) Unscrew each set screw on the right and left, and remove the drain pan pushing it toward the back. (See Photo 1.) Drain pan Set screw... - Page 50 OPERATING PROCEDURE PHOTOS 4. Removing the fan Photo 5 Note : Perform the following with the indoor unit lowered down to the floor. (1) Remove the drain pan. (See Photo 1.) (2) Disconnect the connector for the fan motor. (See Photo 3.) (3) Take out the fan assembly after removing the 7 set screws of the fan plate.
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Page 51: Parts List
PARTS LIST STRUCTURAL PARTS PEH-2.5EKHA PEH-2.5EKHA PEH-3EKHA PEH-3EKHA Q'ty/set Price Wiring Recom- Part No. Specification Remarks Part name PEH-2.5 PEH-3 Diagram mended Unit Amount (Drawing No.) Symbol Q'ty EKHA .TH , EKHA INDOOR FAN MOTOR PA4V200-EB E07 035 300 CASING (R300B098F04) —... - Page 52 STRUCTURAL PARTS PEH-4EKHSA 9 10 PEH-4EKHSA Q'ty/set Price Wiring Recom- Specification Remarks Part No. Part name PEH-4 Diagram mended Unit Amount (Drawing No.) Symbol Q'ty EKHSA .TH , EKHSA INDOOR FAN MOTOR PA4V310-EB E07 037 300 RUBBER MOUNT E07 018 505 SIROCCO FAN 2PCS/SET E07 022 500...
- Page 53 STRUCTURAL PARTS PEH-5EKHSA PEH-5EKHSA Q'ty/set Price Wiring Recom- Part No. Specification Remarks Part name PEH-5 Diagram mended Unit Amount (Drawing No.) Symbol Q'ty EKHSA .TH , EKHSA INDOOR FAN MOTOR PA4V400-EC E07 038 300 MOTOR LEG (BB00L212G04) — MOTOR BEAM (BB02L182G04) —...
- Page 54 ELECTRICAL PARTS PEH-2.5EKHA .TH/PEH-2.5EKHA PEH-3EKHA .TH/PEH-3EKHA PEH-4EKHSA .TH/PEH-4EKHSA PEH-5EKHSA .TH/PEH-5EKHSA Q'ty/set Price Wiring Recom- Specification Remarks Part No. Part name PEH-2.5,3,4,5 Diagram mended Unit Amount (Drawing No.) Symbol Q'ty EKH(S)A .TH , EKH(S)A INDOOR CONTROLLER BOARD E07 018 447 FUSE 250V 6.3A F<I.B>...
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Page 55: Optional Parts
OPTIONAL PARTS 1. REFRIGERANT PIPES Service Ref. : PEH-2.5EKHA .TH,PEH-3EKHA Part No. PAC-05FFS-E PAC-07FFS-E PAC-10FFS-E PAC-15FFS-E Pipe length Pipe size O.D. Liquid : {9.52 Gas : {15.88 Connection method Indoor unit : Flared Outdoor unit : Flared Service Ref .: PEH-4EKHSA .TH,PEH-5EKHSA Part No. - Page 56 2-3. How to connect program timer 2-4. Names and functions <PAC-SC32PT> SET BACK DISPLAY DAILY TIMER SETTING DISPLAY WEEKLY TIMER SETTING DISPLAY CURRENT TIME DISPLAY Used for selection of if or not the day opera- During MONITOR status, cur- 24 hours is divided into 48 blocks and each Indicates the setting set tion pattern set by PATTERN SETTING is to rent time is display.
- Page 57 DUAL D U A L C E N T R A L CENTRAL O P E R A T I O N 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 58 5-3 Connection method ! 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-lap. Connect a single phase 200V AC (220, 230, 240V) to AN. As E is the GND terminal, be sure to ground the earth wire. 2.
- Page 59 6. PROGRAM TIMER ADAPTER This adapter is needed when a program timer(PAC-SK65PT)or 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")
- Page 60 PAR-JH050KA Applicable Service Ref. PEH-2.5~5EKH(S)A HEAD OFFICE MITSUBISHI DENKI BLDG.MARUNOUCHI TOKYO100 TELEX J24532 CABLE MELCO TOKYO © Copyright 1997 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD. Issued in Sep. 1997. NO. OC153 560 New publication, effective Sep. 1997 Printed in Japan Specifications subject to change without notice...