Table of Contents
Advertisement
Quick Links
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
Indoor unit
[Model Name]
PKFY-P04NLMU-E
PKFY-P06NLMU-E
PKFY-P08NLMU-E
PKFY-P12NLMU-E
PKFY-P15NLMU-E
PKFY-P18NLMU-E
INDOOR UNIT
R410A
[Service Ref.]
PKFY-P04NLMU-ER1.TH
PKFY-P06NLMU-ER1.TH
PKFY-P08NLMU-ER1.TH
PKFY-P12NLMU-ER1.TH
PKFY-P15NLMU-ER1.TH
PKFY-P18NLMU-ER1.TH
Model name
indication
CONTENTS
1. SAFETY PRECAUTION ······················· 2
2. PARTS NAMES AND FUNCTIONS ········ 4
3. SPECIFICATION ································ 5
4. NOISE CRITERION CURVES ··············· 8
5. OUTLINES AND DIMENSIONS ··········· 10
6. WIRING DIAGRAM ··························· 12
8. MICROPROCESSOR CONTROL ········· 13
9. TROUBLESHOOTING ······················· 20
10. DISASSEMBLY PROCEDURE ············ 28
11. REMOTE CONTROLLER ··················· 32
PARTS CATALOG (TCB132)
November 2023
No. TCH132
Advertisement
Table of Contents
Related Manuals for Mitsubishi Electric PKFY-P04NLMU-ER1.TH
Summary of Contents for Mitsubishi Electric PKFY-P04NLMU-ER1.TH
-
Page 1: Table Of Contents
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS November 2023 No. TCH132 TECHNICAL & SERVICE MANUAL R410A Indoor unit [Model Name] [Service Ref.] PKFY-P04NLMU-ER1.TH PKFY-P04NLMU-E PKFY-P06NLMU-ER1.TH PKFY-P06NLMU-E PKFY-P08NLMU-ER1.TH PKFY-P08NLMU-E PKFY-P12NLMU-ER1.TH PKFY-P12NLMU-E PKFY-P15NLMU-ER1.TH PKFY-P15NLMU-E PKFY-P18NLMU-ER1.TH PKFY-P18NLMU-E CONTENTS 1. SAFETY PRECAUTION ······················· 2 2. PARTS NAMES AND FUNCTIONS ········ 4 3. -
Page 2: Safety Precaution
SAFETY PRECAUTION Cautions for units utilizing refrigerant R410A Use a vacuum pump with a reverse flow check Do not use the existing refrigerant piping. valve. The old refrigerant and lubricant in the existing piping Vacuum pump oil may flow back into refrigerant cycle and contains a large amount of chlorine which may cause the that can cause deterioration of refrigerant oil, etc. -
Page 3: Cautions For Service
[1] Cautions for service (1) Perform service after collecting the refrigerant left in the unit completely. (2) Do not release refrigerant in the air. (3) After completing service, charge the cycle with specified amount of refrigerant. (4) When performing service, install a filter drier simultaneously. Be sure to use a filter drier for new refrigerant. -
Page 4: Parts Names And Functions
PARTS NAMES AND FUNCTIONS 2-1. Indoor unit Filter Air intake Front Panel Emergency operation switch Operation indicator lamp Louver Air outlet Vane Remote control receiving section 2-2. Wired Remote Controller <PAR-41MAA> <PAC-YT53CRAU> Wired remote controller function The functions which can be used are restricted according to each model. : Supported : Unsupported PAR-41MAA... -
Page 5: Specification
SPECIFICATION 3-1. SPECIFICATIONS Model PKFY-P04NLMU-ER1.TH PKFY-P06NLMU-ER1.TH PKFY-P08NLMU-ER1.TH Power source 1-phase 208/230 V 60 Hz Cooling capacity (Nominal) BTU/h 4000 6000 8000 Power input 0.02 0.02 0.03 Current input A 0.20 0.20 0.25 Heating capacity (Nominal) BTU/h 4500 6700 9000 Power input 0.01... - Page 6 Model PKFY-P12NLMU-ER1.TH PKFY-P15NLMU-ER1.TH PKFY-P18NLMU-ER1.TH Power source 1-phase 208/230 V 60 Hz Cooling capacity (Nominal) BTU/h 12000 15000 18000 Power input 0.04 0.04 0.05 Current input A 0.35 0.35 0.45 Heating capacity (Nominal) BTU/h 13500 17000 20000 Power input 0.03 0.03 0.04 Current input A 0.30...
-
Page 7: Electrical Parts Specifications
3-2. ELECTRICAL PARTS SPECIFICATIONS Service ref. PKFY-P04NLMU-ER1.TH PKFY-P12NLMU-ER1.TH PKFY-P06NLMU-ER1.TH PKFY-P15NLMU-ER1.TH PKFY-P08NLMU-ER1.TH PKFY-P18NLMU-ER1.TH Symbol Parts name Room temperature Resistance 32°F/15 kΩ, 50°F/9.6 kΩ, 68°F/6.3 kΩ, 77°F/5.4 kΩ, 86°F/4.3 kΩ, 104°F/3.0 kΩ TH21 detection thermistor Pipe temperature TH22 Resistance 32°F/15 kΩ, 50°F/9.6 kΩ, 68°F/6.3 kΩ, 77°F/5.4 kΩ, 86°F/4.3 kΩ, 104°F/3.0 kΩ... -
Page 8: Noise Criterion Curves
NOISE CRITERION CURVES NOISE CRITERION CURVES PKFY-P04NLMU-ER1.TH PKFY-P06NLMU-ER1.TH SPL(dB) SPL(dB) LINE LINE High High Medium1 Medium1 Medium2 Medium2 NC-70 NC-70 NC-60 NC-60 NC-50 NC-50 NC-40 NC-40 NC-30 NC-30 Approximate minimum Approximate minimum audible limit on NC-20 NC-20 audible limit on... - Page 9 PKFY-P18NLMU-ER1.TH PKFY-P15NLMU-ER1.TH SPL(dB) LINE SPL(dB) LINE High High Medium1 Medium1 Medium2 Medium2 NC-70 NC-70 NC-60 NC-60 NC-50 NC-50 NC-40 NC-40 NC-30 NC-30 Approximate minimum Approximate minimum audible limit on audible limit on continuous noise continuous noise NC-20 NC-20 1000 2000 4000 8000 1000...
-
Page 10: Outlines And Dimensions
OUTLINES AND DIMENSIONS PKFY-P04NLMU-ER1.TH PKFY-P06NLMU-ER1.TH PKFY-P08NLMU-ER1.TH PKFY-P12NLMU-ER1.TH Unit: inch(mm) TCH132... - Page 11 PKFY-P15NLMU-ER1.TH PKFY-P18NLMU-ER1.TH Unit: inch(mm) TCH132...
-
Page 12: Wiring Diagram
WIRING DIAGRAM PKFY-P04NLMU-ER1.TH PKFY-P06NLMU-ER1.TH PKFY-P08NLMU-ER1.TH PKFY-P12NLMU-ER1.TH PKFY-P15NLMU-ER1.TH PKFY-P18NLMU-ER1.TH NOTES: SYMBOL NAME SYMBOL NAME 1.At servicing for outdoor unit,always follow the wiring INDOOR CONTROLLER BOARD TH21 THERMISTOR ROOM TEMP. DETECTION diagram of outdoor unit. CN24 CONNECTOR EXTERNAL HEATER (0°C/15kΩ, 25°C/5.4kΩ)(32°F/15kΩ, 77°F/5.4kΩ) 2.In case of using MA-Remote controller, please connect... -
Page 13: Refrigerant System Diagram
REFRIGERANT SYSTEM DIAGRAM PKFY-P04NLMU-ER1.TH PKFY-P06NLMU-ER1.TH PKFY-P08NLMU-ER1.TH PKFY-P12NLMU-ER1.TH PKFY-P15NLMU-ER1.TH PKFY-P18NLMU-ER1.TH Pipe temperature detection thermistor/gas (TH23) Gas pipe Gas distributor Strainer Flare Unit: inch (mm) (#50mesh) Gas pipe {1/2” (12.7) Pipe temperature detection thermistor/liquid (TH22) Liquid pipe {1/4” (6.35) Liquid pipe Strainer... - Page 14 Control Mode Control Details Remarks 1. Temperature 1-1. Determining temperature adjustment function • The ON/OFF commands by the indoor unit adjustment (Function to prevent restarting for 3 minutes) thermostatic control function • Room temperature ] Set temperature + 2°F ···Thermo-ON are not an ON/OFF •...
-
Page 15: Drying Operation
8-2. DRYING OPERATION <How to operate> 1 Press ON/OFF button. 2 Press [F1] button to display DRYING 3 Press [F2] [F3] button to set the set temperature. RETURN SELECT MENU HOLD <How to operate> 1 Press POWER ON/OFF button. 2 Press the operation MODE button to display DRYING 3 Press the TEMP. -
Page 16: Fan Operation
8-3. FAN OPERATION <How to operate> 1 Press ON/OFF button. 2 Press [F1] button to display FAN. RETURN SELECT MENU HOLD <How to operate> 1 Press POWER ON/OFF button. 2 Press the operation MODE button to display FAN. Control Mode Control Details Remarks 1. Temperature Set by remote controller. -
Page 17: Heat Operation
8-4. HEAT OPERATION <How to operate> 1 Press ON/OFF button. 2 Press [F1] button to display HEAT. 3 Press [F2] [F3] button to set the set temperature. NOTE: The settable temperature range varies with the model of outdoor units and remote controller. RETURN SELECT MENU HOLD <How to operate>... - Page 18 Control Mode Control Details Remarks 2-1. Hot adjust mode "Heat Standby" will be displayed during the The fan controller becomes the hot adjuster mode for the following conditions. hot adjust mode. 1 When starting the HEAT operation 2 When the temperature adjustment function changes from OFF to ON. The step change 3 When release the HEAT defrosting operation of A to B will not be...
-
Page 19: Auto Operation [Automatic Cool/Heat Change Over Operation]
8-5. AUTO OPERATION [AUTOMATIC COOL/HEAT CHANGE OVER OPERATION] <How to operate> 1 Press ON/OFF button. 2 Press [F1] button to display AUTO. 3 Press [F2] [F3] button to set the set temperature. NOTE: The settable temperature range varies with the model of outdoor units and remote controller. RETURN SELECT MENU HOLD... -
Page 20: Troubleshooting
TROUBLESHOOTING 9-1. HOW TO CHECK THE PARTS PKFY-P04NLMU-ER1.TH PKFY-P06NLMU-ER1.TH PKFY-P08NLMU-ER1.TH PKFY-P12NLMU-ER1.TH PKFY-P15NLMU-ER1.TH PKFY-P18NLMU-ER1.TH Parts name Check points Room temperature Disconnect the connector then measure the resistance with a tester. detection thermistor (TH21) (At the ambient temperature 50 to 86⁰F) Pipe temperature detection... -
Page 21: Linear Expansion Valve
9-1-1. Thermistor <Thermistor characteristic graph> < Thermistor for lower temperature > Room temperature detection thermistor (TH21) Thermistor for Pipe temperature detection thermistor/liquid (TH22) lower temperature Pipe temperature detection thermistor/gas (TH23) Thermistor R =15 k" ± 3% Fixed number of B=3480 ± 2% Rt=15exp { 3480( 273+(t-32)/1.8 30_F... - Page 22 9-1-3. DC Fan motor (fan motor/indoor controller board) Check method of indoor fan motor (fan motor/indoor controller board) Notes · High voltage is applied to the connector (CNMF) for the fan motor. Pay attention to the service. · Do not pull out the connecter (CNMF) for the motor with the power supply on. (It causes trouble of the indoor controller board and fan motor.) Self check Conditions : The indoor fan cannot rotate.
- Page 23 <Output pulse signal and the valve operation> The output pulse shifts in below order. Output Output Closing a valve : 1 → 2 → 3 → 4 → 1 (Phase) Opening a valve : 4 → 3 → 2 → 1 → 4 •...
- Page 24 9-2. FUNCTION OF DIP SWITCH PKFY-P04NLMU-ER1.TH PKFY-P06NLMU-ER1.TH PKFY-P08NLMU-ER1.TH PKFY-P12NLMU-ER1.TH PKFY-P15NLMU-ER1.TH PKFY-P18NLMU-ER1.TH The black square ( ) indicates a switch position. Operation by switch Effective Switch Pole Function Remarks timing Thermistor Built-in remote <Intake temperature Indoor unit Address board controller detection> position <Initial setting>...
- Page 25 The black square ( ) indicates a switch position. Effective Switch Pole Function Remarks timing SW11 SW12 SW11 Address setting should be done when M-NET Address board 1s digit remote controller is being used. address <Initial setting> setting SW12 SW11 SW12 10s digit Before...
-
Page 26: Test Point Diagram
9-3. TEST POINT DIAGRAM 9-3-1. Indoor controller board (I.B) PKFY-P04NLMU-ER1.TH PKFY-P06NLMU-ER1.TH PKFY-P08NLMU-ER1.TH PKFY-P12NLMU-ER1.TH PKFY-P15NLMU-ER1.TH PKFY-P18NLMU-ER1.TH CN105 CN2M LED1 IT Terminal M-NET transmission connecting wire Vane motor (MV) Main power supply 24 − 30 VDC (non-polar) 12 VDC pulse output (Indoor unit : 208/230V) - Page 27 9-3-2. PCB FOR WIRELESS REMOTE CONTROLLER (W.B), SWITCH BOARD (S.B) and LED BOARD (L.B) PKFY-P04NLMU-ER1.TH PKFY-P06NLMU-ER1.TH PKFY-P08NLMU-ER1.TH PKFY-P12NLMU-ER1.TH PKFY-P15NLMU-ER1.TH PKFY-P18NLMU-ER1.TH PCB FOR WIRELESS SWITCH BOARD (S.B) LED BOARD (L.B) REMOTE CONTROLLER (W.B) SWE1 Emergency operation (HEAT) SWE2 CN302 REC1 Emergency operation (COOL)
-
Page 28: Disassembly Procedure
DISASSEMBLY PROCEDURE PKFY-P04NLMU-ER1.TH PKFY-P06NLMU-ER1.TH PKFY-P08NLMU-ER1.TH PKFY-P12NLMU-ER1.TH PKFY-P15NLMU-ER1.TH PKFY-P18NLMU-ER1.TH Be careful when removing heavy parts. : Indicates the visible parts in the photos/figures. NOTE: Turn OFF the power supply before assembly. : Indicates the invisible parts in the photos/figures. OPERATION PROCEDURE PHOTOS/FIGURES 1. - Page 29 OPERATION PROCEDURE PHOTOS/FIGURES 3. REMOVING THE ADDRESS BOARD, THE INDOOR Photo 4 CONTROLLER BOARD, THE WIRELESS CONTROLLER BOARD, LED BOARD Holder of wireless remote Switch board holder controller board and LED board (Holder of switch board) (1) Remove the panel and the corner box. (Refer to procedure 1) Address board (2) Remove the front and side electrical box covers (each 2...
- Page 30 OPERATION PROCEDURE PHOTOS/FIGURES 6. REMOVING THE INDOOR FAN MOTOR AND THE Photo 8 LINE FLOW FAN Lead wire of pipe thermistor (1) Remove the panel and the corner box. (Refer to procedure 1) (2) Remove the electrical box (Refer to procedure 2) and the Motor band nozzle assembly (Refer to procedure 4).
- Page 31 OPERATION PROCEDURE PHOTOS/FIGURES 8. REMOVING THE HEAT EXCHANGER AND LEV Photo 12 Heat exchanger (1) Remove the panel and the corner box (Refer to procedure 1). (2) Remove the electrical box (Refer to procedure 3) and the nozzle assembly (Refer to procedure 4). (3) Remove the water cover.
-
Page 32: Remote Controller
REMOTE CONTROLLER 11-1. REMOTE CONTROLLER FUNCTIONS <PAR-41MAA> Controller interface The functions of the function buttons change depending on the screen. Refer to the button function guide that appears at the bottom of the LCD for the functions they serve on a given screen. When the system is centrally controlled, the button function guide that corresponds to the locked button will not appear. -
Page 33: Room Temperature
Display The main display can be displayed in two different modes: “Full” and “Basic”. The initial setting is “Full”. To switch to the “Basic” mode, change the setting on the Main display setting. (Refer to operation manual included with remote controller.) <Full mode>... - Page 34 Menu structure Press the MENU button. Main menu Move the cursor to the desired item with the buttons, and press the SELECT/HOLD button. Operation Vane · Louver · Vent. (Lossnay) High power Comfort Manual vane angle 3D i-See sensor Timer menu Timer ON/OFF timer Auto-OFF timer...
- Page 35 Continue from the previous page. Maintenance menu Error information Filter information Cleaning Auto descending panel Descending operation Descending adjustment Service menu Test run menu Test run Drain pump test run Maintenance information Model name input Serial No. input Dealer information input Initialize maintenance info.
-
Page 36: Main Menu List
Main menu list Main Setting and display items Setting details menu Operation Vane · Louver · Vent. Use to set the vane angle. (Lossnay) • Select a desired vane setting from 5 different settings. Use to turn ON/OFF the louver. •... - Page 37 Main Setting and display items Setting details menu Initial Basic Main/Sub When connecting 2 remote controllers, one of them needs to be designated as setting setting a sub controller. Clock Use to set the current time. Daylight Set the daylight saving time. saving time Administrator The administrator password is required to make the settings for the following items.
-
Page 38: Controller Interface
<PAR-SL101A-E> Controller interface Transmission area Remote controller display Set Temperature buttons OFF/ON button Mode button (Changes operation mode) Fan Speed button (Changes fan speed) Airflow button (Changes up/ i-see button* down airflow direction) Timer ON button Menu button Timer OFF button SET/SEND button Weekly timer ON/OFF button* CANCEL button... -
Page 39: Error Information
11-2. ERROR INFORMATION When an error occurs, the following screen will appear. Check the error status, stop the operation, and consult your dealer. 1. Check code, error unit, refrigerant address, model name, and serial Error information Error code number will appear. Error unit Unit#1 The model name and serial number will appear only if the informa-... - Page 40 • Checking the error information Maintenance menu While no errors are occurring, page 2/2 of the error information can be Error information viewed by selecting "Error information" from the Maintenance menu. Filter information Errors cannot be reset from this screen. Cleaning Main menu: RETURN Cursor...
-
Page 41: Service Menu
11-3. SERVICE MENU Maintenance password is required 1. Select "Service" from the Main menu, and press the [SELECT/HOLD] button. Main Main menu *At the main display, the menu button and select "Service" to make the maintenance setting. Service 2. When the Service menu is selected, a window will appear asking for the pass- Service menu word. -
Page 42: Test Run Operation
11-4. TEST RUN 11-4-1. PAR-41MAA 1. Select "Service" from the Main menu, and press the [SELECT/HOLD] button. Test run Input maintenance info. Settings Check Select "Test run" with the F1 or F2 button, and press the [SELECT/HOLD] button. Others : RETURN SELECT MENU RETURN... - Page 43 11-4-2. PAR-SL101A-E 1. Press the button to stop the air conditioner. • If the weekly timer is enabled ( is on), press the button to disable it ( is off). 2. Press the button for 5 seconds. • comes on and the unit enters the service mode. 3.
-
Page 44: Function Setting
11-5. FUNCTION SETTING 11-5-1. PAR-41MAA Settings menu 1. Select ˝Service˝ from the Main menu, and press the [SELECT/HOLD] button. Function setting Lossnay Select ˝Setting˝ from the Service menu, and press the [SELECT/HOLD] button. Service menu: MENU Cursor Select ˝Function setting˝, and press the [SELECT/HOLD] button. SELECT MENU RETURN... - Page 45 11-5-2. PAR-SL101A-E 1. Going to the function select mode Press the button between of 5 seconds. (Start this operation from the status of remote controller display turned off.) [CHECK] is lit and "00" blinks. (Fig. 1) Press the button to set the "50". Direct the wireless remote controller toward the receiver of the indoor unit and press the button.
-
Page 46: Error History
11-6. ERROR HISTORY 1. Select ˝Service˝ from the Main menu, and press the [SELECT/HOLD] button. Test run Input maintenance info. Settings Check Others RETURN Select ˝Check˝ with the F1 or F2 button, and press the [SELECT/HOLD] button. SELECT MENU RETURN HOLD 2. -
Page 47: Self-Diagnosis
11-7. SELF-DIAGNOSIS 11-7-1. PAR-41MAA 1. Select ˝Service˝ from the Main menu, and press the [SELECT/HOLD] button. Diagnosis Self check Select ˝Check˝ from the Service menu, Remote controller check and press the [SELECT/HOLD] button. Service menu: MENU Select ˝Diagnosis˝ from the Check menu, Cursor and press the [SELECT/HOLD] button. - Page 48 11-7-2. PAR-SL101A-E 1. Press the button 1 to stop the air conditioner. is on), press the button 3 is off). to disable it ( 2. Press the button 2 for 5 seconds. 3. Press the button 5 to select the refrigerant address (M-NET address) B of the indoor 4.
-
Page 49: Remote Controller Check
11-8. REMOTE CONTROLLER CHECK If operations cannot be completed with the remote controller, diagnose the remote controller with this function. 1. Select "Service" from the Main menu, and Diagnosis press the [SELECT/HOLD] button. Self check Remote controller check Select "Check" from the Service menu, and press the [SELECT/HOLD] button. - Page 50 HEAD OFFICE: TOKYO BUILDING, 2-7-3, MARUNOUCHI, CHIYODA-KU TOKYO 100-8310, JAPAN MITSUBISHI ELECTRIC CONSUMER PRODUCTS (THAILAND) CO., LTD. 700/406 MOO 7, TAMBON DON HUA ROH, AMPHUR MUANG, CHONBURI 20000 THAILAND Published: Nov. 2023. No. TCH132 Made in Thailand Specifications are subject to change without notice.
Need help?
Do you have a question about the PKFY-P04NLMU-ER1.TH and is the answer not in the manual?
Questions and answers