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HEAT PUMP AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
April 2015
No. OCH586
Indoor unit
[Model Name]
PLFY-WP32VBM-E
PLFY-WP40VBM-E
PLFY-WP50VBM-E
[Service Ref.]
PLFY-WP32VBM-E.UK
PLFY-WP40VBM-E.UK
PLFY-WP50VBM-E.UK
Notes:
• This manual describes service data of the indoor units only.
• RoHS compliant products have <G> mark on the spec name plate.
Model name indication
INDOOR UNIT
CONTENTS
1. SAFETY PRECAUTION.......................... 2
2. PARTS NAMES AND FUNCTIONS........ 2
3. SPECIFICATIONS................................... 7
4. 4-WAY AIR FLOW SYSTEM................. 10
5. OUTLINES AND DIMENSIONS............ 13
6. WIRING DIAGRAM............................... 15
7. REFRIGERANT SYSTEM DIAGRAM...... 16
8. TROUBLESHOOTING.......................... 17
9. SPECIAL FUNCTION........................... 24
10. DISASSEMBLY PROCEDURE............. 31
PARTS CATALOG (OCB586)
1 SAFETY PRECAUTION
Precations for handling units for use with water
.
CAUTION
Do not use the existing water piping.
Store the piping materials indoors, and keep both ends of the pipes sealed until immediately before installation. Keep the joints wrapped in plastic bags. If dust or dirt enters the water circuit, it may damage the heat exchanger and cause water leakage.
Only use water.
Only use clean water as a refrigerant. The use of water outside the specification may damage the refrigerant citcuit.
2 PARTS NAMES AND FUNCTIONS
2-1. INDOOR UNIT
Drain pipe
Air outlet
Liquid pipe
Gas pipe
Vane
Filter
Air intake
(Intake grille)
OCH586 2
2-2. WIRELESS REMOTE CONTROLLER
CHECK TEST RUN display
CHECK and TEST RUN display indicate that the unit is being checked or test-run.
MODEL SELECT display
Blinks when model is selected.
display
OPERATION MODE display
Operation mode display indicates which operation mode is in effect.
CHECK TEST RUN
MODEL SELECT °C
AMPM
AMPM
NOT AVAILABLE
ON/OFF TEMP
display
The vertical direction of air flow is indicated.
display
FAN SPEED display indicates which fan speed has been selected.
ON/OFF button
The unit is turned ON and OFF alternately each time the button is pressed.
FAN SPEED SELECT button
Used to change the fan speed.
MODE SELECT button
Used to switch the operation mode between cooling, drying, heating, auto and fan mode.
MODE
FAN
VANE
CHECK LOUVER
TEST RUN
AUTO STOP
AUTO START h min
SET RESET CLOCK
CHECK-TEST RUN buttons
Only press this button to perform an inspection check or test operation.
Do not use it for normal operation.
VANE CONTROL button
Used to change the air flow direction.
display
Lights up while the signal is transmitted to the indoor unit when the button is pressed.
display
SET TEMP. display indicates the desired temperature which is set.
CLOCK display
Displays the current time.
TIMER display
Displays when in timer operation or when setting timer.
“ ” “ ” display
Displays the order of timer operation.
“ ” “ ” display
Displays whether timer is on or off.
buttons
SET TEMPERATURE button sets any desired room temperature.
TIMER CONTROL buttons
AUTO STOP (OFF timer): when this switch is set, the air conditioner will be automatically stopped at the preset time.
AUTO START (ON timer): when this switch is set, the air conditioner will be automatically started at the preset time.
“h” and “min” buttons
Buttons used to set the “hour and minute” of the current time and timer settings.
LOUVER button
Changes left/right airflow direction.
(Not available for this model.)
CLOCK button
RESET button
SET button
OCH586
2-3. WIRED REMOTE CONTROLLER <PAR-30MAA><PAR-31MAA>
Wired remote controller function
The functions which can be used are restricted according to each model.
Body
Function
Product size H × W × D (mm)
LCD
Backlight
Energy-saving Automatic return to the preset temperature
Restriction Setting the temperature range restriction
Function Operation lock function
Weekly timer
ON/OFF timer
Manual vane angle
PAR-30MAA/PAR-31MAA
120 × 120 × 19
Full Dot LCD
: Supported : Unsupported
PAR-21MAA
120 × 130 × 19
Partial Dot LCD
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.
<Main display>
Cool
Room
Set temp.
Mode Temp.
Fri
Auto
Fan
<Main menu>
Main Main menu
Vane·Louver·Vent. (Lossnay)
High power
Timer
Weekly timer
OU silent mode
Main display:
Cursor Page
Function buttons
F1 F2 F3 F4
ON/OFF button
Press to turn ON/OFF the indoor unit.
SELECT button
Press to save the setting.
RETURN button
Press to return to the previous screen.
MENU button
Press to bring up the Main menu.
Backlit LCD
Operation settings will appear.
When the backlight is off, pressing any button turns the backlight on and it will stay lit for a certain period of time depending on the screen.
When the backlight is off, pressing any button turns the backlight on and does not perform its function.
(except for the (ON/OFF) button)
Function guide
ON/OFF lamp
This lamp lights up in green while the unit is in operation.
It blinks while the remote controller is starting up or when there is an error.
Function button F1
Main display : Press to change the operation mode.
Main menu : Press to move the cursor down.
Function button F2
Main display : Press to decrease temperature.
Main menu : Press to move the cursor up.
Function button F3
Main display : Press to increase temperature.
Main menu : Press to go to the previous page.
Function button F4
Main display : Press to change the fan speed.
Main menu : Press to go to the next page.
OCH586 4 5
Fri
Cool
Room
Set temp.
Auto
Mode Temp.
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.
Fan
<Full mode>
All icons are displayed for explanation.
<Basic mode>
Fri
Cool Set temp.
Fri
Auto
Cool
Room
Set temp.
Mode Temp.
Auto
Fan Mode Temp.
Fan
Operation mode
Indoor unit operation mode appears here.
Preset temperature
Preset temperature appears here.
Set temp.
Fri
Auto
Fan speed
Fan speed setting appears here.
Temp.
Fan
Functions of the corresponding buttons appear here.
Appears when the buttons are locked.
Appears when the ON/OFF timer or Night setback function is enabled.
Appears when the Weekly timer is enabled.
Appears while the units are operated in the energy-save mode.
Appears when the ON/OFF operation is centrally controlled.
Appears when the operation mode is centrally controlled.
Appears when the preset temperature is centrally controlled.
Appears when the built-in thermistor on the remote controller is activated to monitor the room temperature.
appears when the thermistor on the indoor unit is activated to monitor the room temperature.
Indicates the vane setting.
Appears when the filter reset function is centrally controlled.
Indicates the louver setting.
Appears when filter needs maintenance.
Room temperature
(See the Installation Manual.)
Current room temperature appears here.
Indicates the ventilation setting.
Appears when the preset temperature range is restricted.
Most settings (except ON/OFF, mode, fan speed, temperature) can be made from the Menu screen.
OCH586 5
2-4. WIRED REMOTE CONTROLLER <PAR-21MAA>
Display Section
For the purposes of explanation, all parts of the display are shown.
During actual operation, only the relevant items will be lit.
Day-of-Week
Shows the current day of the week.
Time/Timer Display
Shows the current time, unless the simple or Auto Off timer is set.
If the simple or Auto Off timer is set, the time to be switched off is shown.
Identifies the current operation
Shows the operating mode, etc.
Multilanguage display is available.
“Centrally Controlled” indicator
Indicates that operation from the remote controller has been prohibited by a master controller.
“Timer is Off” indicator
Indicates that the timer is off.
Temperature Setting
Shows the target temperature.
“Sensor” indication
Displays when the remote controller sensor is used.
“Locked” indicator
Indicates that remote controller buttons have been locked.
“Clean The Filter” indicator
To be displayed on when it is time to clean the filter.
°F°C
TIME SUN MON TUE WED THU FRI SAT
TIMER Hr ON
AFTER AFTER OFF
ERROR CODE
°F°C
ONLY1Hr.
FUNCTION
FILTER
WEEKLY
SIMPLE
AUTO OFF
Up/Down Air Direction indicator
The indicator shows the direction of the outcoming airflow.
“One Hour Only” indicator
Displays if the airflow is set to low or downward during COOL or DRY mode. (Operation varies according to model.)
The indicator goes off in 1 hour, when the airflow direction also changes.
Timer indicators
The indicator comes on if the corresponding timer is set.
Room Temperature display
Shows the room temperature. The room temperature display range is 8 to 39:.
The display blinks if the temperature is less than 8: or 39: or more.
Louver display
Indicates the action of the swing louver.
Does not appear if the louver is not running.
(Power On indicator)
Indicates that the power is on.
Fan Speed indicator
Shows the selected fan speed.
Ventilation indicator
Appears when the unit is running in
Ventilation mode.
Operation Section
Temperature setting buttons
Down
Up
Timer Menu button
(Monitor/Set button)
ON/OFF button
Fan Speed button
Mode button (Return button)
TEMP.
ON/OFF
Filter button
(<Enter> button)
Test Run button
Check button (Clear button) Set Time buttons
Back
Ahead
Timer On/Off button
(Set Day button)
Opening the cover
BACK
PAR-21MAA
MENU
MONITOR/SET
ON/OFF
CLOCK
DAY
OPERATION
FILTER
CHECK TEST
CLEAR
Airflow Up/Down button
Louver button
( Operation button)
To return operation number
Built-in temperature sensor
Ventilation button
( Operation button)
To go to next operation number
Note:
● “PLEASE WAIT” message
This message is displayed for approximately 3 minutes when power is supplied to the indoor unit or when the unit is recovering from a power failure.
● “NOT AVAILABLE” message
This message is displayed if an invalid button is pressed (to operate a function that the indoor unit does not have).
If a single remote controller is used to operate multiple indoor units simultaneously that are different types, this message will not be displayed as far as any of the indoor units is equipped with the function.
OCH586 6
3 SPECIFICATIONS
3-1. SPECIFICATIONS
Service Ref.
PLFY-WP32VBM-E.UK
PLFY-WP40VBM-E.UK
PLFY-WP50VBM-E.UK
Power source
Cooling capacity
(Nominal)
Heating capacity
(Nominal)
*1
*1
External finish
External dimension H × W × D kW kcal/h
*1 BTU/h
Power input kW
Current input A
*1
*1
*1
Power input kW kcal/h
BTU/h kW
Current input A mm in kg [lb] Net weight
Decoration panel Model
External finish
Dimension
H × W × D
Net weight mm in kg [lb]
Heat exchanger
FAN Type × Quantity
Pa mmH
2
O
Noise level (Low-Mid2-Mid1-High)
Insulation material
Motor type
Motor output kW
Driving mechanism
Air flow rate m³/min
(Low-Mid2-
Mid1-High)
L/s cfm dB <A>
(measure on anechoic room)
Air filter
Protection device
Connectable outdoor unit
Diameter of refrigerant pipe
Field drain pipe size
Water inlet
Water outlet mm [in]
Standard attachment Document, accesory
Remark Optional parts
Decotation panel* 2
Air outlet shutter plate
High efficiency filter element *
Multi-function casement
3
3.6
3,100
12,300
0.04
0.35
4.0
3,400
13,600
0.03
0.28
PLP-6BA
Turbo fan × 1
0
0
0.050
16 - 15 - 14 - 13
183 - 200 - 217 - 233
388 - 424 - 459 - 494
31 - 30 - 29 - 27
1-Phase 220–240 V, 50/60 Hz
4.5
3,100
12,300
0.04
0.35
4.0
3,400
13,600
0.03
0.28
Galvanized steel sheet
258 × 840 × 840
10-3/16 × 33-1/8 × 33-1/8
22 [10]
PLP-6BA
MUNSELL (6.4Y 8.9/0.4)
35 × 950 × 950
1-3/8 × 37-7/16 × 37-7/16
13 [6]
Cross fin (Aluminium fin and copper tube)
Turbo fan × 1
0
0
DC motor
0.050
Direct drive
16 - 15 - 14 - 13
183 - 200 - 217 - 233
388 - 424 - 459 - 494
31 - 30 - 29 - 27
PS
PP honeycomb
Fuse
R410, CITY MULTI
RC 3/4 screw
RC 3/4 screw
O.D {32 (VP-25)
Installation Manual, Instruction Book
PLP-6BA
PAC-SH51SP-E
PAC-SH59KF-E
PAC-SH53TM-E
PLP-6BA
PAC-SH51SP-E
PAC-SH59KF-E
PAC-SH53TM-E
*
*
2
3
PLFY-P-VBM-E should use together with PLP-6BA.
PAC-SH53TM-E is necessary to use with filter PAC-SH59KF-E.
5.6
3,100
12,300
0.05
0.45
4.0
3,400
13,600
0.04
0.38
PLP-6BA
Turbo fan × 1
0
0
0.050
19 - 17 - 15 - 13
183 - 200 - 217 - 233
388 - 424 - 459 - 494
34 - 32 - 30 - 27
PLP-6BA
PAC-SH51SP-E
PAC-SH59KF-E
PAC-SH53TM-E
Installation Details on foundation work, duct work, insulation work, electrical wiring, power source switch, and other items shall be referred to the Installation Manual.
*1 <Cooling> Indoor temperature: 27°C D.B./19°C W.B [81°F D.B./66°F W.B] Outdoor temperature: 35°C D.B. [95°F D.B.]
<Heating> Indoor temperature: 20°C D.B. [68°F D.B.] Outdoor temperature: 7°C D.B./6°C D.B.[45°F D.B./43°F D.B.]
OCH586
3-2. ELECTRICAL PARTS SPECIFICATIONS
Parts name
Service Ref. Symbol
Room temperature detection thermistor
TH21
Pipe temperature detection thermistor/ from HBC unit
TH22
Pipe temperature detection thermistor/ to HBC unit
Fuse
(Indoor controller board)
TH23
FUSE
PLFY-WP32VBM-E.UK PLFY-WP40VBM-E.UK PLFY-WP50VBM-E.UK
Resistance 0:/15 k", 10:/9.6 k", 20:/6.3 k", 25:/5.4 k", 30:/4.3 k", 40:/3.0 k"
Resistance 0:/15 k", 10:/9.6 k", 20:/6.3 k", 25:/5.4 k", 30:/4.3 k", 40:/3.0 k"
Resistance 0:/15 k", 10:/9.6 k", 20:/6.3 k", 25:/5.4 k", 30:/4.3 k", 40:/3.0 k"
250 V 6.3 A
Fan motor MF 8-pole OUTPUT 50W
Vane motor
Drain pump
MV
DP
FS
MSBPC20M04
12 V DC 300"/phase
PLD-12230ME-1
INPUT 12/10.8W 24R/Hr open/short detection Drain float switch
Power supply terminal block
Transmission terminal block
MA remote controller terminal block
TB2
TB5
TB15
(L, N, ;) Rated to 330V 30A *
(M1, M2, S) Rated to 250V 20A *
(1, 2) Rated to 250V 10A *
*Refer to WIRING DIAGRAM for the supplied voltage.
3-3. SOUND LEVEL
PLFY-WP·VBM-E
Service Ref.
PLFY-WP32VBM-E.UK
PLFY-WP40VBM-E.UK
PLFY-WP50VBM-E.UK
Sound level at anechoic room : LowMid2-Mid1-High
Sound level dB (A)
31 - 30 - 29 - 27
34 - 32 - 30 - 27
* Measured in anechoic room.
Measurement location
OCH586
8 9
3-4. NC CURVES
PLFY-WP32VBM-E.UK
PLFY-WP40VBM-E.UK
PLFY-WP50VBM-E.UK
External static pressure : 0Pa
Power source : 220,230,240V, 50Hz / 220V, 60Hz
High 50/60Hz
Low 50/60Hz
Middle2 50/60Hz
Middle1 50/60Hz
70.0
65.0
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
10.0
63
Approximate minimum audible limit on continuous noise
125 250 500 1k 2k
Octave band center frequencies (Hz)
4k
NC-60
NC-50
NC-40
NC-30
NC-20
8k
External static pressure : 0Pa
Power source : 220,230,240V, 50Hz / 220V, 60Hz
High 50/60Hz
Low 50/60Hz
Middle2 50/60Hz
Middle1 50/60Hz
70.0
65.0
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
10.0
63
Approximate minimum audible limit on continuous noise
125 250 500 1k 2k
Octave band center frequencies (Hz)
4k
NC-60
NC-50
NC-40
NC-30
NC-20
8k
OCH586
9
4 4-WAY AIR FLOW SYSTEM
4-1. PLACEMENT OF THE AIR OUTLETS
• For this grille, the blowout direction comes in 11 patterns.
Also, by setting the remote controller to the appropriate settings, you can adjust the airflow and speed. Select the settings from Table1 according to the location in which you want to install the unit.
1) Decide on the pattern of the airflow direction.
<Table 1> 4-direction
Pattern 1 Initial setting
3-direction
Pattern 4 1 air outlet fully closed
2-direction
Pattern 6 2 air outlet fully closed
Note1.
For 3 and 2-direction settings, please use the air outlet shutter plate (option).
2) According to the number of air outlets and height of the ceiling to install the unit, be sure to set up the switches
(SWA, SWB) on the circuit board to the appropriate setting.
• Correspondence of ceiling heights to numbers of air outlets
SW1
ON
OFF
1 2 3 4 5 6 7 8 9 10
SW12
8
7
9
6
0 1
2
5
4
SW11
8
7
9
6 5
0 1
2
4
2
1
(10s DIGIT) (1s DIGIT)
ADDRESS
3
2
1
SWA SWB
2
3
4
CN43
SWC
CN82
SW14
B
D
E
F
0 1 2
3
9A
78
6
. /
(BRANCH No.)
.
PLFY-WP32/40/50VBM-E.UK
SWA 1
SWB
4
3
2
4 direction
3 direction
2 direction
Silent
2.5 m
2.7 m
3.0 m
2
Standard
2.7 m
3.0 m
3.3 m
3
High ceiling
3.5 m
3.5 m
3.5 m
OCH586
10
4-2. BRANCH DUCT HOLE AND FRESH AIR INTAKE HOLE
At the time of installation, use the duct holes (cut out) located at the positions shown in following diagram, as and when required.
• A fresh air intake hole for the optional multi function casement can also be made.
Note:
The figures marked with * in the drawing below represent the dimensions of the main unit excluding those of the optional multi function casement.
When installing the optional multi function casement, add 135 mm to the dimensions marked on the figure.
When installing the branch ducts, be sure to insulate adequately.
Otherwise, condensation and dripping may occur.
Fresh air intake hole
A
Branch duct hole
Fresh air intake hole diagram
3-[2.8 burring hole
120
[125 burring
hole pitch
Indoor unit
A A
Branch duct hole diagram
(view from either side)
90 100 100 90
[100 cut
out hole
Ceiling
Drain pipe
Water pipe
[175 burring hole pitch
350
14-[2.8 burring hole
[150 cut out hole
4-3. OPERATION IN CONJUNCTION WITH
DUCT FAN (Booster fan)
• Whenever the indoor unit is operating, the duct fan also operates.
(1) Connect the optional multiple remote controller adapter
(PAC-SA88HA-E) to the connector CN51 on the indoor controller board.
(2) Drive the relay after connecting the 12 V DC relay between the Yellow and Orange connector wires.
MB: Electromagnetic switch power relay for duct fan.
X: Auxiliary relay (For 12 V DC, coil rating: 1.0W or below)
CN51 on indoor controller board
5
Indoor unit side
Indoor controller board
Be sure to secure insulation material by tape, etc
Green
Yellow −
Orange +
Red
Brown
Multiple remote controller adapter
PAC-SA88HA-E
~
Installation at site
MB
Be sure to secure insulation material by tape, etc
Distance between indoor controller board and relay must be within 10m.
CN51
Multiple remote controller adapter
PAC-SA88HA-E
CN51
OCH586
4-4. FRESH AIR INTAKE AMOUNT & STATIC PRESSURE CHARACTERISTICS
1
PLFY-P32/40/50VBM-E.UK
Multi function casement + Standard filter
50
Multi function casement + High efficiency filter
50
0
−50
−100
−150
−200
0 1
1 - inlet
2 3
Airflow rate [m 3 /min]
4
Taking air into the unit
50
0
−50
−100
−150
−200
0 1 2 3
Airflow rate [m 3 /min]
4
2 - inlet
5
5
6
6
0
−50
−100
−150
−200
0
How to read curves
1
Curve in the graphs
Duct characteristics at site
0
Q
2
3
Q
1 2 3
Airflow rate [m 3 /min]
1 - inlet
4
2 - inlet
5 6
Q…Planned amount of fresh air intake
<m
3
/min>
A…Static pressure loss of fresh air intake duct system with airflow amount Q <Pa>
B…
Forced static pressure at air conditioner inlet with airflow amount Q
<Pa>
C…Static pressure of booster fan with airflow amount Q <Pa>
D…Static pressure loss increase amount of fresh air intake duct system for airflow amount Q <Pa>
E…Static pressure of indoor unit with airflow amount Q <Pa>
Qa…Estimated amount of fresh air intake without D <m3/min>
Q
Qa
-50
-100
50
0
-150
-200
0
-50
-100
50
0
-150
-200
0
2 - inlet
2 4
Airflow rate [m 3 /min]
1 - inlet
6 8
2 4
Airflow rate [m 3 /min]
6
OCH586
8
12
50
0
-50
-100
-150
-200
0 2
1 - inlet
4
Airflow rate [m 3 /min]
6
2 - inlet
8
5 OUTLINES AND DIMENSIONS
PLFY-WP32VBM-E.UK PLFY-WP40VBM-E.UK PLFY-WP50VBM-E.UK
<Standard Panel>
Unit: mm
Fresh air intake hole
20~45
160
Ceiling hole
860~910
810
Suspension bolt pitch
20~45
20~45
Detail connecting of Branch duct(Both aspects)
90 100 100 90 Cut out hole
100 130
(7.5)
Branch duct hole
Indoor unit/Outdoor unit connecting terminal block
Power supply terminal block
Suspension bolt
M10 or W3/8
187.5
840
60 284
Air purge valve
377
160
+35 -5
24 160
(7.5)
20~45
Branch duct hole
[175
Burring hole pitch
350
[150
Cut out hole
14-[2.8
Burring hole
Detail drawing of fresh air intake hole
Burring hole
3-[2.8
Burring hole pitch
[125
Cut out hole
[100
Drain pipe connected to VP-25
( Connected the attached flexible pipe or socket.
(
10 to 15mm space between unit ceilling and ceilling slab.
Ceiling
Suspension bolt lower edge
50~70
Control wire entry
M
Indoor unit/Outdoor unit connecting wire entry
597
Air intake hole
M
Ceiling
Grille
17
35
Drain hole
Drain pump clean hole
In case of standard grille: PLP-6BA/PLP-6BAMD Auto-Grille
Air intake grille Up/down distance
In case of Auto-Grille: PLP-6BAJ
In case of wireless remote controller: PLP-6BALM
Emergency operation switch<Cooling> and Emergency Up/Down switch<Up>
Emergency operation switch<Heating>and
Emergency Up/Down switch<Down>
L.L Filter
Air intake grille
Ceiling
Air intake grille
M
Receiver
DEFROST/STAND BY lamp
Operation lamp
M
Vane motor
36
Corner pocket
500
Air outlet hole
950
83 36
Ceiling
Grille
1500mm or more
Indoor unit
Obstacle
3000mm or more
Floor
Indoor unit
For high attachment
Note 1. Please choose the Grille from a standard grille, Auto-Grille.
2. As for drain pipe, please use VP-25 (O.D. [32 PVC TUBE).
Drain pump inclusion.
Raise is max 850mm from the ceiling.
3. As for suspension bolt, please use M10 or W3/8.
(Procured at local site)
4. Electrical box may be removed for the service purpose.
Make sure to slack the electrical wire little bit for control/power wires connection.
5. The height of the indoor unit is able to be adjusted with the grille attached.
6. For the installation of the optional high efficiency filter or optional multi-functional casement. (Reference of the 2nd sheet of detailed Figure)
1) Requires 400 mm or more space between transom and ceiling for the installation.
2) Add 135 mm to the dimensions * marked on the figure.
3) The optional high efficiency filter becomes optional multi-functional casement and concomitant use.
7. When installing the branch ducts, be sure to insulate adequately.
Otherwise condensation and dripping may occur.
(It becomes the cause of dew drops/Wear dew.)
8. As for necessary installation/service space, please refer to the under at figure.
OCH586
PLFY-WP32VBM-E.UK PLFY-WP40VBM-E.UK PLFY-WP50VBM-E.UK
<Auto Descending Panel>
(
Fresh air intake hole
Multi-functional casement
)
20~45
160
Ceiling hole
860~910
810
Suspension bolt pitch
20~45
20~45
Unit: mm
Detail connecting of Branch duct(Both aspects)
90 100 100 90 Cut out hole
100 130
(7.5)
Branch duct hole
Fresh air intake hole
(Multi-functional casement)
Water pipe
Suspension bolt
M10 or W3/8
From HBC unit:Rc3/4
Water pipe
To HBC unit:Rc3/4
Optional parts:
Multi-functional casement
High-efficiency filter element
Indoor unit/Outdoor unit connecting terminal block
Power supply terminal block
For MA-Remote controller terminal block
187.5
60
840
284
Air purge valve
377
160
24
+35 -5
(7.5)
Drain pipe connected to VP-25
(
20~45
Branch duct hole
Connected the attached flexible pipe or socket.
)
[175
Burring hole pitch
350
14-[2.8
Burring hole
[150
Cut out hole
Detail drawing of fresh air intake hole
Main unit side
(One place)
Burring hole
3-[2.8
Burring hole pitch
[125
Optional parts:
Multi-functional casement side
(Four places)
Burring hole pitch
[125
Burring hole
3-[2.8
Keep approximatety
10 to 15mm space between unit ceilling and ceilling slab.
Cut out hole
[100
Ceiling knockout hole
[100
Ceiling
Suspension bolt lower edge
Control wire entry
Power supply wire,
Indoor unit/Outdoor unit connecting wire entry
597
Air intake hole
M
I-SEE SENSOR
CORNER PANEL
(Option part)
M
Ceiling
Grille
35
Drain hole
Drain pump clean hole and Drain emergency drainage hole
Auto vane
(Air outlet)
In case of standard grille: PLP-6BA/PLP-6BAMD
In case of Auto-Grille: PLP-6BAJ
In case of wireless remote controller: PLP-6BALM
Emergency operation switch<Cooling>and
Emergency Up/Down switch<Up>
Emergency operation switch<Heating>and
Emergency Up/Down switch<Down>
Auto-Grille
Air intake grille Up/down distance
L.L Filter
Ceiling
Air intake grille Air intake grille
36
Ceiling
Grille
1500mm or more
M
Corner pocket
500
Air outlet hole
950
Indoor unit
1000mm or more
Obstacle
3000mm or more
Floor
M
Vane motor
Receiver
DEFROST/STAND BY lamp
Operation lamp
83 36
Indoor unit
* In case of the optional parts Multi-functional casement
and High-efficiency filter element
1800mm or more from floor
For high attachment
Note 1. Please choose the Grille from a standard grille, Auto-Grille.
2. As for drain pipe, please use VP-25(O.D. [32 PVC TUBE.).
Drain pump inclusion.
Raise is max 850mm from the ceiling.
3. As for suspension bolt, please use M10 or W3/8. (Procured at local site)
4. Electrical box may be removed for the service purpose.
Make sure to slack the electrical wire little bit for control/power wires connection.
5. The height of the indoor unit is able to be adjusted with the grille attached.
6. For the installation of the optional high efficiency filter or optional multi-functional casement. (Reference of the 2nd sheet of detailed Figure)
1) Requires 400 mm or more space between transom and ceiling for the installation.
2) The optional high efficiency filter becomes optional multi-functional casement and concomitant use.
7. When installing the branch ducts, be sure to insulate adequately.
Otherwise condensation and dripping may occur.
(It becomes the cause of dew drops/Wear dew.)
8. As for necessary installation/service space, please refer to the under at figure.
OCH586
14
6 WIRING DIAGRAM
PLFY-WP32VBM-E.UK PLFY-WP40VBM-E.UK PLFY-WP50VBM-E.UK
LEGEND
SYMBOL
I.B.
CN27
CN32
CN51
CN52
CN105
FUSE
LED1
LED2
SW2
SW3
SW4
SWE
X1
NAME
INDOOR CONTROLLER BOARD
CONNECTOR DAMPER
REMOTE SWITCH
CENTRALLY CONTROL
REMOTE INDICATION
IT TERMINAL
FUSE (T6.3AL250V)
POWER SUPPLY (I.B.)
POWER SUPPLY (I.B.)
SWITCH CAPACITY CODE
AUX. RELAY
MODE SELECTION
MODEL SELECTION
DRAIN PUMP (TEST MODE)
DRAIN PUMP
SYMBOL
DP
FS
MF
MV
TB2
TB5
TB15
TH21
TH22
TH23
NAME
DRAIN PUMP
DRAIN FLOAT SWITCH
FAN MOTOR
VANE MOTOR
TERMINAL
BLOCK
THERMISTOR
POWER SUPPLY
TRANSMISSION
MA-REMOTE CONTROLLER
ROOM TEMP. DETECTION
(0
°C/15kΩ, 25°C/5.4kΩ)
PIPE TEMP. DETECTION/FROM
HBC UNIT (0
°C/15kΩ, 25°C/5.4kΩ)
PIPE TEMP. DETECTION/TO HBC
UNIT (0
°C/15kΩ, 25°C/5.4kΩ)
SYMBOL
A.B.
SWA
SWB
SWC
SW1
SW11
SW12
SW14
OPTION PART
W.B.
BZ
LED1
LED2
RU
SW1
SW2
NAME
ADDRESS BOARD
SWITCH CEILING HEIGHT SELECTOR
DISCHARGE OUTLET NUMBER
SELECTOR
OPTION SELECTOR
MODE SELECTION
ADDRESS SETTING ONES DIGIT
ADDRESS SETTING TENS DIGIT
CONNECTION NO.
PCB FOR WIRELESS REMOTE CONTROLLER
BUZZER
LED (OPERATION INDICATION : GREEN)
LED (PREPARATION FOR HEATING : ORANGE)
RECEIVING UNIT
EMERGENCY OPERATION (HEAT/DOWN)
EMERGENCY OPERATION (COOL/UP)
MV MV MV MV
M M M M
5
4
GRILLE
5
5
5
1
5
I-SEE
SENSOR
M
MT
I-SEE SENSOR CORNER PANEL
(OPTION PART)
A.B.
5
ADDRESS
CN43
(RED)
4
ON
OFF
SW1
1 2 3 4 5 6 7 8 910
SW12 SW11
8
9
0 1
2
8
9
0 1
2
5
10s
DIGIT
5
1s
DIGIT
3
2
1
SWA
2
3
4
SWB
SWC
1 8
ADDRESS
CN82
SW14
(RED)
D
E
F
012
3
1
2
9A
BRANCH
No.
1
20 18 16 14 12 10 8 6 4 2
19 17 15 13 11 9 7 5 3 1
VANE CNV
(WHT)
1
I-SEE SENSOR
MOTOR CN6Y
(RED)
6
MA REMOCON
1
CN3A
(BLU)
3
I-SEE SENSOR
1
CN4Y
(WHT
)
4
1
1 5
8 4
The black square
(■) indicates a switch position.
<Table 1>
MODELS
P32
P40
P50
SW2
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
See <Table 1>
2 1
M-NET
CN2M
(BLU
)
BLU
BLU
TB5
M1
M2
S
(SHIELD)
TO OUTDOOR UNIT
BC CONTROLLER
REMOTE CONTROLLER
DC24-30V
RED
TB2
L
BLU
N
GRN/YLW
POWER SUPPLY
~/N 220-240V 50Hz
220V 60Hz
BREAKER
(16A)
FUSE (16A)
PULL BOX
TO NEXT
INDOOR UNIT
I.B.
1 3 5
CND
(BLK
)
3
Pair No.
1
1
J42 J41
LED2
4
1
ADDRESS
CN81
(RED)
WIRELESS
CN90
(WHT
)
8 1 4
ADDRESS
CN42 (RED)
SW3
ON
OFF
1 2 3 4 5 6 7 8 910
1 5
SW4
1 2 3 4 5
SWE
OFF ON
SW2
1 2 3 4 5 6
ON
OFF
9
3
AUTO GRILLE
CN3G
(BLK)
1
WATER PIPE
FROM HBC UNIT/
TO HBC UNIT
1
CN44
(WHT
)
4
FLOAT SW
1
CN4F
(WHT
)
4
3
CN25
(WHT
)
1 2
INTAKE
CN20
(RED)
1 2
LED1
CN27
(RED)
1 2
9
ORN
TB15
1
ORN
2
TO MA-REMOTE
CONTROLLER
DC8.7-13V
W.B.
CNB BZ
SW1
LED2
SW2
RU
LED1 t° t°
TH22 TH23 FS t°
TH21
FAN
7
CNMF*
(WHT
)
4 1 D.U.M
CNP
(BLU)
3
X1
1
MS
3~
M
1~
MF
DP
*Be sure to turn off the source power and then disconnect fan motor connector.
(Failure to do so will cause trouble in Fan motor)
3
3
AUTO
GRILLE
1 POWER
CNAC
(WHT
)
U.B.
3
CN3G
1 CN3A
5 3 1
AUTOMATIC FILTER ELEVATION PANEL
(OPTION PART)
NOTES:
1. At servicing for outdoor unit, always follow the wiring diagram of outdoor unit.
2. In case of using MA-Remote controller, please connect to TB15. (Remote controller wire is non-polar.)
3. In case of using M-NET, please connect to TB5. (Transmission line is non-polar.)
4. Symbol [S] of TB5 is the shield wire connection.
5. Symbols used in wiring diagram above are, : terminal block, : connecter.
6. The setting of the SW2 dip switches differs in the capacity. For the detail, refer to <Table 1>.
LED on indoor board for service
Mark
LED1
LED2
Meaning
Main power supply
Power supply for
MA-Remote controller
Function
Main Power supply (Indoor unit:220-240V) power on → lamp is lit
Power supply for MA-Remote controller on → lamp is lit
OCH586
7 REFRIGERANT SYSTEM DIAGRAM
PLFY-WP32VBM-E.UK PLFY-WP40VBM-E.UK PLFY-WP50VBM-E.UK
Pipe temperature detection thermistor/ from HBC unit
TH22
Water inlet screw connection
Manual air purge valve
Pipe temperature detection thermistor/ to HBC unit
TH23
Water outlet screw connection Heat exchanger
Room temparature detection thermistor TH21
Capacity
Item
Water inlet
Water outlet
PLFY-WP32/40/50VBM-E
RC 3/4 screw
RC 3/4 screw
OCH586
16 17
8 TROUBLESHOOTING
8-1. HOW TO CHECK THE PARTS
PLFY-WP32VBM-E.UK PLFY-WP40VBM-E.UK PLFY-WP50VBM-E.UK
Parts name
Room temp. detection thermistor (TH21)
Pipe temp. detection thermistor/ from HBC unit
(TH22)
Pipe temp. detection thermistor/ to HBC unit
(TH23)
Vane motor (MV)
Normal
4.3 to 9.6 k"
Abnormal
Open or short
Check points
Disconnect the connector then measure the resistance with a tester.
(At the ambient temperature of 10 to 30:)
(Refer to “8-1-1. Thermistor” .)
White
Orange
Red
Blue
MV
Yellow
Measure the resistance between the terminals with a tester.
(At the ambient temperature of 20 to 30:)
Normal Connector
Red - Yellow (5–3, 0–8, 5–3, )–8)
Red - Blue (5–1, 0–6, 5–1, )–6)
Red - Orange (5–4, 0–9, 5–4, )–9)
Red - White (5–2, 0–7, 5–2, )–7)
300 "
Abnormal
Open or short
Drain pump (DP)
YLW
1
3
YLW
Drain float switch (FS)
Moving part
1
2
3
4 i-see sensor
(Option)
Measure the resistance between the terminals with a tester.
(Winding temperature 20:)
Normal
290 "
Abnormal
Open or short
Measure the resistance between the terminals with a tester.
State of moving part
UP
DOWN
Normal
Short
Open
Abnormal
Other than short
Other than open
Switch
Magnet
Moving
Part
Turn on the indoor unit with the black plastic tape on the outside of i-see sensor controller board.
With electricity being turned on, measure the power voltage between connectors with tester.
i-see sensor rotates and pull out the connector of motor for i-see sensor.
Black plastic tape
Do not disassemble corner panel with i-see sensor.
4 3 2 1
4 3 2 1
Blue BlackPink Brown
Vane motor for i-see sensor (Option)
White
MV
Orange
Red
Blue Yellow i-see sensor (At the ambient temperature of 10 to 40:) i-see sensor connector
2 (−)–4(+)
Normal
1.857 to 3.132 V DC
Abnormal
Other than the normal
1 (+)–2(−) 0.939 to 1.506 V DC Other than the normal
NOTE : Be careful not to discharge static electricity into electronics.
Measure the resistance between the terminals with a tester.
(At the ambient temperature of 20 to 30:)
Normal Abnormal Connector
Red - Yellow
Red - Blue
Red - Orange
Red - White
250 " Open or short
OCH586
17
8-1-1. Thermistor
<Thermistor characteristic graph>
Thermistor for lower temperature
Room temperature detection thermistor (TH21)
Pipe temperature detection thermistor/from HBC unit (TH22)
Pipe temperature detection thermistor/to HBC unit (TH23)
Thermistor R
0
=15 kΩ ± 3%
Fixed number of B=3480 ± 2%
50
< Thermistor for lower temperature >
40
30
20
0: 15 kΩ
10: 9.6 kΩ
20: 6.3 kΩ
25 : 5.4 kΩ
30: 4.3 kΩ
40: 3.0 kΩ
273+t 273
10
0
-20 -10 0 10 20 30 40 50
Temperature (:)
8-1-2. DC an motor (fan motor/indoor controller board)
Check method of indoor fan motor (fan motor/indoor controller board)
1 Notes
· High voltage is applied to the connecter (CNMF) for the fan motor. Pay attention to the service.
· Do not pull out the connector (CNMF) for the motor with the power supply on.
(It causes trouble of the indoor controller board and fan motor.)
2 Self check
Conditions : The indoor fan cannot rotate.
Indoor controller board fuse check
Is the fuse normal?
Yes
Wiring contact check
Contact of fan motor connector (CNMF)
No
Is the resistance between the terminals of drain pump normal?
No
Replace the drain pump.
Yes Replace the fan motor.
Replace the indoor controller board.
Is there contact failure?
Yes
Wiring recovery
No
Power supply check (Remove the connector (CNMF))
Measure the voltage in the indoor controller circuit board.
TEST POINT 1 : V
DC
(between 1 (+) and 4 (
−) of the fan connector): V
DC
310–340 V DC
TEST POINT 2 : V
CC
(between 5 (+) and 4 (
−) of the fan connector): V
CC
15 V DC
Is the voltage normal?
No
Replace the indoor controller board
Check the operation.
Fail
Replace the fan motor.
Yes
OK
END
Replace the fan motor.
Check the operation of fan.
Fail
Replace the indoor controller board.
OK
END
OCH586
18 19
8-2. FUNCTION OF DIP SWITCH
The black square (■) indicates a switch position.
Switch Pole
SW1
Function setting
1
2
3
4
5
6
7
8
9
10
Operation by switch
Function
ON
Thermistor <Room temperature
detection> position
Filter clogging detection
Built-in remote controller
Provided
Filter cleaning 2,500 hr
Fresh air intake Effective
Switching remote display Thermo ON signal display
Indoor unit
OFF
Not provided
100 hr
Not effective
Humidifier control
Airflow set in case of thermo OFF at heating mode
Auto restart function
Power ON/OFF by breaker
Always operated while the heat in ON * 1
Low * 3
Setting air flow * 3
Effective
Effective
Operated depends on the condition * 2
Extra low * 3
Depends on SW1-7
Not effective
Not effective
Effective timing
Under suspension
Remarks
Address board
<Initial setting>
ON
OFF
1 2 3 4 5 6 7 8 9 10
Capacity
Indoor controller board
SW2
Capacity code setting
1–6
WP32
WP40
WP50
SW2
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
ON
OFF
1 2 3 4 5 6
Before power supply
ON
Set while the unit is off.
<Initial setting>
Set for each capacity.
SW3
3
4
1
2
Function setting
8
9
10
SW4
Model
Selection
(Setting for
PLFY series)
1–5
5
6
7
Heat pump/Cooling only
Louver/humidifier * 5
Vane
Vane swing function in heating
(wave-flow)
Vane horizontal angle 1
Vane horizontal angle 2
─
Cooling only
Available
Available
Available
Second setting * 4
Third setting * 4
─
Sensible temperature correction
─
Not effective
─
Heat pump
Not available
Not available
Not available
First setting * 4
Depends on SW3-5
─
Effective
─
─ ─ ─
When replacing the indoor controller board, make sure to set the switch to the initial setting, which is shown below.
ON
OFF
1 2 3 4 5
Under suspension
Indoor controller board
Set while the unit is off.
<Initial setting>
ON
OFF
1 2 3 4 5 6 7 8 9 10
Before power supply
ON
Indoor controller board
*1 Fan operation at Heating mode
* 2 Thermo ON operation at Heating mode
*3 Refer to the <Table A> below.
*4 Refer to the <Table B> below.
*5 SW3-2 setting. Only for PLFY-P·VBM, SW is used to change whether the humidifier functions or not. (Fixed the louver function less.)
<Table A>
SW1-7
OFF
ON
OFF
ON
SW1-8
OFF
OFF
ON
ON
Extra low
Low
Setting air flow
Stop
<Table B>
SW3-5
OFF
ON
OFF
SW3-6
OFF
OFF
ON
Vane setting
Set up 1
Set up 2
Set up 3
ON ON unused
* Be careful of smudge on ceiling.
Initial setting
●
Setting
Standard
Less draft *
Less smudging
—
Vane position
Standard
Upward position than the standard
Downward position than the standard
—
OCH586
19
Switch Pole
SWA
Ceiling height selector
1–3
(High ceiling)
(Standard)
(Silent)
3
2
1
SWC
Option selector
2
SW11
1s digit address setting
SW12
10s digit address setting
SW14
Branch
No.
Setting
2
1
Operation by switch
Ceiling height can be changed depends on
SWB setting.
Effective timing
Remarks
Address board
<Initial setting>
PLFY-WP32/40/50VBM-E
SWA 1
SWB
4
3
4 direction
3 direction
Silent
2.5m
2.7m
2 2 direction 3.0m
2
Standard
2.7m
3.0m
3.3m
3
High ceiling
3.5m
3.5m
3.5m
When attaching the optional high performance filter elements (multi function casement) to the unit, be sure to attach it to in order to prevent the airflow reducing.
2
Under operation or suspension
2
1
3
2
1
Address board
<Initial setting>
SW12
6
8
9
5
0 1
2
3
4
10
SW11
8
9
0 1
6 5
4
2
3
1
SW14
B
D
E
F
A 9
6
7
8
0 1
2
3
How to set addresses
Example : If address is "3", remain SW12
(for over 10) at "0", and match SW11 (for 1 to 9) with "3".
How to set branch numbers SW14 (Series R2 only)
Match the indoor unit’s refrigerant pipe with the BC controller’s end connection number.
Remain other than series R2 at "0".
Before power supply
ON
Address board
<Initial setting>
SW12 SW11
8
9
5 6
0 1
2
4
3
6
8
9
5
0 1
4
2
3
Address board
<Initial setting>
SW14
B
D
E
F
A
9
6
7
8
0 1
2
3
Continue to the next page
OCH586
20 21
Switch Pole
J41, J42
Wireless remote controller
Pair No.
Operation by switch
Effective timing
Remarks
• To operate each indoor unit by each remote controller when installed 2 indoor
units or more are near, Pair No. setting is necessary.
1 Pair No. setting is available with the 4 patterns (Setting patters A to D).
2 Make setting for J41, J42 of indoor controller board and the Pair No. of
wireless remote controller.
• You may not set it when operating it by 1 remote controller.
1 Setting for indoor unit
Jumper wire J41, J42 on the indoor controller board are cut according to
the table below.
2 Wireless remote controller pair number:
Setting operation
1. Press the SET button (using a pointed implement). Check that the
remote controller's display has stopped before continuing.
MODEL SELECT flashes, and the model No. (3 digits) appears (steadily-lit).
2. Press the MINUTE button twice. The pair number appears flashing.
3. Press the temperature buttons to select the pair number to set.
4. Press the SET button (using a pointed implement). The set pair number is
displayed (steadily-lit) for 3 seconds, then disappears.
Under operation or suspension
SET button
<Initial setting>
Pattern A
MODEL SELECT
ON/OFF TEMP
FAN AUTO STOP
MODE
TEST RUN
VANE
CHECK LOUVER
AUTO START h min
SET RESET CLOCK
Pair No.
Model No.
Temperature button
Minute button
Setting pattern
Indoor controller
Jumper wire
Pair No. of wireless remote controller*
A
B
J41
—
Cut
J42
—
—
0
1
C — Cut 2
D Cut Cut 3
*Pair No.4-9 of wireless remote controller is setting pattern D.
Initial setting
—
—
—
SWE
Test run for
Drain pump
Drain pump and fan are activated simultaneously after the connector
SWE is set to ON and turn ON the power.
SWE SWE
OFF ON OFF ON
The connector SWE is set to OFF after test run.
Under operation
<Initial setting>
SWE
OFF ON
OCH586
21
8-3. TEST POINT DIAGRAM
8-3-1. Indoor controller board
PLFY-WP32VBM-E.UK PLFY-WP40VBM-E.UK PLFY-WP50VBM-E.UK
CN4Y i-See sensor
CN52
Remote indicator
1 –2: Status lamp 12 V DC (1 : +)
Fan motor output (SW1–5 OFF)
Thermostat ON (SW1–5 ON)
1 –3: Cooling/Dry status lamp
12 V DC (1: +)
1 –4: Heating status lamp
12 V DC (1: +)
CN51
Centrally control
1 –2: Control signal
12 V DC pulse input (1: +)
3 –4: Operation indicator
12 V DC (3: +)
3 –5: Malfunction indicator
12 V DC (3: +)
CN44
Pipe temperature detection thermistor
1
–2: Liquid (TH22)
3 –4: Gas (TH23)
CN4F
Drain float switch (FS)
CN20
Room temperature detection thermistor (TH21)
CN27
Damper signal output
12 V DC(1: +)
CN3G
Auto grille signal output
CN90
Connect to the wireless remote controller board
(W.B)
CN6Y i-See sensor motor output
12 V DC pulse output
CN3A
Connect to the terminal block (TB15)
(MA-Remote controller connecting wire)
1
–3: 8.7–13 V DC (Pin1 (+))
CNV vane motor output
12 V DC pulse
CN32
Remote switch
Jumper wire J41, J42
Pair No.setting for wireless remote controller
LED2
Power supply for
MA-Remote controller
SW3
Function setting
SW4
Model selection
SWE
Test run (Drain pump)
SW2
Capacity setting
CN2M
Connect to the terminal block (TB5)
(M-NET transmission connecting wire)
24–30 V DC (non-polar)
LED1
Main power supply
(Indoor unit: 220–240 V)
CNMF
Connect to the fan motor (MF)
1
–4: 310–340 V DC
5 –4: 15 V DC
CNP
Drain pump output (DP)
1 –3: 220–240 V AC
CNAC
Auto grille power
(220–240 V AC)
Note: The voltage range of 12 V DC in this page is between 11.5 to 13.7 V DC.
OCH586 22
CND
Power supply for indoor controller board
3
–5: 220–240 V AC
FUSE
6.3 A 250 V
23
8-3-2. Address board
PLFY-WP32VBM-E.UK PLFY-WP40VBM-E.UK PLFY-WP50VBM-E.UK
SW1
Function setting
SWA
Ceiling height selector
SWB
Discharge outlet number selector
SW12
Address setting
10s digit
SW11
Address setting
1s digit
SWC
Option selector
SW14
Branch No.
OCH586 23
9 SPECIAL FUNCTION
9-1. HOW TO PERFORM THE UP/DOWN OPERATION OF THE AIR INTAKE GRILLE
9-1-1. Setting up the lowering distance of air intake grille
Unit
You can set up 8 different stages of lowering distance for the air intake grille according to the set up location if desired.
Note that as an initial setting, the decorative panel will automatically stop at 1.6 m from the ceiling level. The distance is a rough indication, check by actually lowering it.
1) Take the cover off the electric box of the decorative panel. (2 screws)
2) Set up the dip switches of SW22 or SW2 on the control board of the
decorative panel as follows.
Decorative panel
DIP SW 22 DIP SW 2
Cover for
Electric Box of the decorative panel
Screws
Control board of the decorative panel
SW 22 or SW2
The black square (■) indicates a switch position.
Lowering distance
(Rough indication
of the ceiling height)
SW22
(Lowering distance)
Lowering distance
(Rough indication
of the ceiling height)
SW22
(Lowering distance)
Initial setting
1.2 m
( up to 2.4 m)
1.6 m
(2.4–2.8 m)
2.0 m
(2.8–3.2 m)
2.8 m
(3.6–4.0 m)
2.4 m
(3.2–3.6 m)
3.2 m
(4.0–4.4 m)
The black square (■) indicates a switch position.
Lowering distance
(Rough indication
of the ceiling height)
SW2
(Lowering distance)
Lowering distance
(Rough indication
of the ceiling height)
SW2
(Lowering distance)
Initial setting
1.2 m
(up to 2.4 m)
1.6 m
(2.4–2.8 m)
2.0 m
(2.8–3.2 m)
2.8 m
(3.6–4.0 m)
2.4 m
(3.2–3.6 m)
3.2 m
(4.0–4.4 m)
3.6 m
(4.4–4.8 m)
4.0 m
(4.8–5.2 m)
Note: Airflow outreach distance is different depending on indoor units and air volume (ceiling height), so airflow may not reach the indicated ceiling height as shown in the above table.
3) Put the cover back on the electric box of the decorative panel.
3.6 m
(4.4–4.8 m)
4.0 m
(4.8–5.2 m)
Note: Airflow outreach distance is different depending on indoor units and air volume (ceiling height), so airflow may not reach the indicated ceiling height as shown in the above table.
9-1-2. How to perform the up/down operation using wireless remote controller
1) Ensure that the air-conditioner is not running.
2) Press the "Down" button to lower the air intake grille.
Warning:
Ensure that the air-conditioner is not running.
• Otherwise, it may cause an injury or a failure.
By default, the air intake grille will automatically stop at a lowering distance of 1.6 m from the ceiling level. The distance can be changed to 1.2 m, 2.0 m, 2.4 m, 2.8 m, 3.2 m, 3.6 m and 4.0 m. These should be used only as a guide. You should lower the air intake grille yourself to check the exact distance.
When you want to stop the air intake grille while it is lowering, press the "Stop" or "Up" button on the remote
controller to stop at that position.
3) Remove the filter or air intake grille and clean them.
4) Press the "Up" button on the remote controller to put the air intake grille in place.
If the air intake grille is not placed in the correct position at a time, the operation is automatically retried.
Wireless remote controller for
Automatic Filter
Elevation Panel
When you want to stop the air intake grille while it is rising, press the "Stop" or "Down" button on the remote controller to stop at
that position.
OCH586 24
9-1-3. How to perform the up/down operation using wired remote controller <PAR-30MAA><PAR-31MAA>
1 Select "Maintenance" from the Main menu, and press the button.
Maintenance menu
Auto descending panel
Manual vane angle
Select "Auto descending panel" with the F1 or F2 button, and press the button.
Main menu:
Cursor
F1 F2 F3 F4
2 Move the cursor to "M-NET address" or "Operation" with the F1 button to select.
Select the M-NET address for the units to lower the panel, with the F2 or F3 button, and press the button.
• M-NET address: M-NET address
• Operation: Down/Up
Press the F4 button to confirm the unit.
<Confirmation of target unit>
If the unit being set is unknown, make the setting and then press the F4 button to confirm.
The air conditioner which is blowing downward is the target air conditioner.
Navigating through the screens
• To return to the previous screen ...............
button
Auto descending panel
M-NET address
Operation Down /Up
Keep clear. Panel descending.
Press Check for Unit No.
Action:
Cur.
Address Check
F1 F2 F3 F4
Auto descending panel
M-NET address
Operation Down /Up
Panel will stop in 30 sec.
Keep clear. Panel descending.
F1 F2 F3 F4
OCH586
9-1-4. How to perform the up/down operation using wired remote controller (PAR-21MAA)
■ General Operation
Raise or lower all the air intake grilles managed by the remote controller at the same time.
Install the remote controller in a place where you can observe all the air-conditioners. Otherwise, the lowering grille may make contact with something and cause damage to it.
1) Ensure that the air-conditioner is not running.
The up/down operation mode is only available when the air-conditioner is "OFF".
Warning:
Ensure that the air-conditioner is not running.
• Otherwise, it may cause an injury or a failure.
2) Press both the "FILTER" and "Ventilation" buttons simultaneously for 2 seconds or more to enter the up/down operation mode.
"Up/down operation
mode" display
3) Press the TEMP. ( ) button. After a while, the air intake grille will begin lowering.
"Stand by for lowering"
display
"Lowering" display
(blinking)
"Stopped" display
(when finished lowering)
Alternately [ Note ]
• You cannot stop the operation while the air intake grille is lowering.
If you press the ( ) button while the air intake grille is moving down, the air intake grille may stop lowering, but it will not stop immediately.
• By default, the air intake grille will automatically stop at the lowering distance of 1.6 m from the ceiling level.
The distance can be changed to 1.2 m, 2.0 m, 2.4 m, 2.8 m, 3.2 m, 3.6 m, and 4.0 m.
These should be used only as a guide. You should lower the air intake grille yourself
to check the exact distance.
4) Remove the filter and/or air intake grille to clean them.
5) Press the TEMP. ( ) button. After a while, the air intake grille will begin to rise and then be put back into place.
"Stand by for raising" display
Alternately
"Raising" display (blinking)
[ Note]
• You cannot stop the operation while the air intake grille is rising.
If you press the ( ) button while the air intake grille is moving up, the air intake grille maystop rising, but it will not stop immediately.
"Stopped" display (when the air intake
grille has been put back into place)
6) Exit the up/down mode either by pressing the "ON/OFF" button or by pressing both the "FILTER" and "Ventilation" buttons simultaneously for 2 seconds or more.
After exiting the up/down mode, wait for about 30 seconds to perform the next operation. The remote controller will not accept any operation for that period.
Operation status display
Button to exit the up/down operation mode
Down/Up buttons
TEMP.
ON/OFF
MENU ON/OFF
BACK
PAR-21MAA
MONITOR/SET
CLOCK
DAY
OPERATION
FILTER
CHECK TEST
CLEAR
Buttons to enter the up/down operation mode (Press them simultaneously for 2 seconds.)
OCH586 26 27
■ Up/down operation with the individual specified air-conditioner (when used in combination with Mr. SLIM model)
Raise or lower the air intake grille of the specific air-conditioner that you select from all that are managed by that remote controller.
1) Ensure that the air-conditioner is not running.
The up/down operation mode is only available when the Warning:
Ensure that the air-conditioner is not running.
air-conditioner is "OFF".
2) Press both the "FILTER" and "Ventilation" buttons simultaneously for 2 seconds or more to enter the up/down operation mode.
• Otherwise, it may cause an injury or a failure.
Up/down operation mode
3) Press the "Ventilation" button. After a while, it will switch to the "individually-specified up/down operation mode".
Up/down operation mode Individually-specified up/down operation mode
If the number of the target airconditioner is unknown, go to 4).
Unit No.
Refrigerant address No.
In the upper right figure, the air-conditioner which the refrigerant address is "00" and the unit No. is "1" is currently selected.
If the number of the target airconditioner is known, go to 5).
4) If you press the "FILTER" button when the "Unit No." or "Refrigerant address No." is blinking, the up/down airflow direction of the displayed air-conditioner will be switched downward after a while, and the airflow direction of the other vents will all be blocked.
■ In Step 5) described below, identify the target air-conditioner by changing the "Unit No." and
"Refrigerant address No." and by pressing the "FILTER" button to check the up/down airflow direction.
[Remarks]
■ If "Err" is displayed when you press the "FILTER" button to check the target air-conditioner, the air-conditioner with that "Unit No." or "Refrigerant address" may not exist. Check and set that air-conditioner again.
5) Select the "Unit No." and "Refrigerant address No.".
■ "Unit No." and "Refrigerant address No." can be changed by using the "TEMP." buttons ( ) ( ) when the panel displays (a) or (b).
■ Every time you press the "Mode selection" button, the target of operation will change as illustrated below.
(a) "Unit No." selection
display
(c) "Standby for up/down operation" display
[Remarks]
■ Each pressing action changes the unit No. from "1 - 4" to "0".
(Unit No. "0" means that all of 1 - 4 are targeted.)
■ Each press changes the "Refrigerant address" from "0 to 15".
(b) "Refrigerant address No." selection display
6) Continue to press the "Mode selection" button until "Waiting for up/down operation" is displayed.
"Waiting for up/down operation" display
The following steps are the same as steps 3) - 6) described in the "General Operation" section. Refer to that section.
Operation status display
Down/Up buttons (for selecting unit No. and refrigerant address)
Button to exit the up/down operation mode
Mode selection
TEMP.
ON/OFF
BACK
PAR-21MAA
MENU
MONITOR/SET
CLOCK
ON/OFF
DAY
OPERATION
FILTER
CHECK TEST
CLEAR
Buttons to enter the up/down operation mode (Hold them down simultaneously for 2 seconds.)
OCH586 27
9-2. OPERATION (AUTO DESCENDING PANEL: PLP-6BAJ)
(1) Normal operation
1 UP/DOWN
Air intake grille is raised/lowered by commands of UP and DOWN.
Air intake grille does not move under the state of no-load detection or obstacle detection.
UP/DOWN
Machine 1
Wire 1b
UP/DOWN
Machine 2
Air intake grille stops automatically at the set lowering distance from the ceiling level.
2 STOP
It stops in the cases below :
• When it reaches at the set lowering distance from
the ceiling level.
Detection
switch
Wire 2a
Wire 2b
It automatically stops after a predetermined period of lowering.
• When it is stored in the panel.
The air intake grille is judged to be stored in the panel
Wire 1a
Fig.1
when the storage detection switch is pressed for 3 seconds continuously.
• When receiving commands of STOP, DOWN while moving up or UP while moving down.
The STOP button is only available on the automatic filter elevation panel remote controller.
When the wired remote controller is used, there will be a slight delay in stopping due to transmission speed.
• When both wire 1b and wire 2b are not loaded.
Only the wire b in each UP/DOWN Machine has a tension detection switch.
(2) Special operation
Case : Obstruction of the raising grille before storage or malfunction of storage detection switch
Storage operation will be performed when the intake grille has been raised the set distance but the storage detection switch is not engaged.
In this case, the operation below will be repeated up to 4 times.
10 cm down 30 cm up ···· 10 cm down 30 cm up
2 No-load detection
Case : UP/DOWN commands with no grille suspended.
When both wire 1b and wire 2b are not loaded, the wires will not move.
3 Obstacle detection
Case : Making contact with something while lowering.
Should the loads on the wire 1b and wire 2b be removed due to the grille making contact with something while lowering, the lowering operation will stop. The grille will then be raised 10 cm and stop again.
[Emergency operation]
• When the wireless remote controller cannot be used (in the case of battery discharge, misplacing of the wireless
remote controller, malfunctioning and so on), the emergency switch on the receiver can be used as an alternative.
When doing this, particular caution must be taken not to fall.
To lower the air intake grille : Press the button once.
(For emergency heating operation, press and hold this button.)
To raise the air intake grille : Press the button once.
(For emergency cooling operation, press and hold this button.)
• To stop the air intake grille from moving, use the opposite buttons to those used to initiate movement.
(To stop it from lowering, press the UP button; To stop it from rising, press the DOWN button.)
• If UP/DOWN machine is out of order, fix air intake grille temporarily and the indoor unit can be operated.
For details, refer to installation manual for the attachment of grille.
OCH586
28
9-3. ELECTRICAL CIRCUIT (Controller board and wiring diagram (Panel))
9-3-1. DIP SW 22 type
UK1
LS21
MU1
UK1
LS21
MU1
LS1
2
1
WHT
WHT
2
1
WHT
WHT
SW22
Panel
1 2
3
BLK
BLK
1 2
CN2G
(BLK)
1 2
CN2E
(RED)
ON
SW22
1 2 3 4 5 6 7 8 910
CN3G
(BLK)
3 2 1
CN2C
(WHT)
1 2
FUSE
CN2B
(WHT)
1 2
CN3A
(RED)
E
5
E
3
L
1
U.B
W.B
CNB
(WHT)
BZ
SW1
RU
SW2
3
4
1
2
5
6
7
8
9
GRN/YLW
Indoor unit
9
I.B
U.B
Symbol
FUSE
SW22
UK1
MU1
LS21
I.B
Name
Auto grille controller board
Fuse (3.15A)
Switch (Lowering distance set up)
Up/down machine
Motor (Up/down)
Limit switch (tension detection)
Indoor controller board
9-3-2. DIP SW 2 type
SW2
CN22
(BLU)
CN90
(WHT)
CN3G
(BLK)
W.B
Symbol
BZ
RU
SW1
SW2
LS1
R.B
Name
Wireless remote controller board
Buzzer
Receiver
Emergency switch (heating/down)
Emergency switch (cooling/up)
Limit switch (storage detection)
Wired remote controller
TB5 1
2
TB6
1
2
R.B
U.B
SYMBOL
FUSE
SW1
SW2
SW3
LED1
LED2
NAME
CONTROLLER BOARD
FUSE (T3.15AL250V)
SWITCH (MODEL SELECTION)
SWITCH (LOWERING DISTANCE)
SWITCH (SYSTEM SELECTION)
LED RED
(MICROCOMPUTER POWER)
LED RED
(GRILLE CONDITION)
OCH586
I.B
W.B
SYMBOL
BZ
RU
SW1
SW2
NAME
INDOOR UNIT CONTROLLER BOARD
WIRELESS SIGNAL RECEIVER BOARD
BUZZER
RECEIVING UNIT
EMERGENCY HEATING
LONG PRESS FOR OVER 2 SEC)
EMERGENCY COOLING
LONG PRESS FOR OVER 2 SEC)
GRILLE / DOWN
(SHORT PRESS)
GRILLE / UP
(SHORT PRESS)
UK1
SYMBOL
M
LS21
LS1
R.B.
NAME
UP/DOWN MACHINE
MOTOR (FOR GRILLE UP/DOWN)
LIMIT SWITCH (TENSION DETECTION)
LIMIT SWITCH (STORAGE DETECTION)
WIRED REMOTE CONTROLLER
29
9-3-3. Check point of trouble
<LED (SW22 type) /LED2 (SW2 type) display>
Turn OFF : No power supply
Blink
One blink
Two blinks
: Storage detection switch ON (short)
: Storage detection switch OFF (open)
: Tension detection switch OFF (open)
<controller board>
Check item
Up/down controller
P.C. board supply voltage
Up/down machine supply voltage
<Up/down machine>
Check item
Storage detection switch
Tension detection switch
Motor
Entwining wires
Check point
CN3A
(between 3–5)
CN2B, CN2C
Check point
CN2E
CN2F, CN2G
CN2B, CN2C
Pull wire
Normal
198–264 V AC
10–12 V DC
Normal open or short open or short
5–20 "
Retension: about 2 kgf
Remarks
Check when instructing up/down with LED blinking once.
Check contents
Check if it is short when pressing push switch.
Check if it is short when wire b is tensioned.
Check if it is not open or short.
Check if wire is drawn out by pulling with 3 kgf.
9-4. TROUBLESHOOTING
• Check the following points.
Problem
Air intake grille does not function with operation of the wireless remote controller.
Possible Reason
Air-conditioner is running.
Power failure
Batteries are not inserted into the wireless remote controller.
Or battery power is running low.
There is something on the air intake grille.
Or something is stuck in the air intake grille.
Air intake grille cannot be fixed in place.
Air intake grille stops lowering.
(Air intake grille would not lower any further.)
Corrective Action
Stop running the air-conditioner and try again.
After recovering from power failure, try again.
Insert or replace the battery.
There is something on the air intake grille.
Filter is not properly installed.
Air intake grille is not hung with all 4 hooks.
The air intake grille has finished lowering to the auto-stop position.
Remove the objects or obstacles from the air intake grille.
Or, remove the stuck object.
Remove the objects or obstacles from the air intake grille.
Lower the air intake grille again and check whether the filter is installed in the correct position.
Lower the air intake grille again and hook on the air intake grille.
This is normal.
This is the noise made when the wire is wound and unwound.
Noises are made during up/down operation.
(While air intake grille is moving up/down.)
Noises are made while putting the air intake grille into place.
Air intake grille repeats rising and lowering several times while being put into place.
Air intake grille leans toward one side during the up/down operation.
This is the operational noise for putting the air intake grille into place.
This is the operation for putting the air intake grille into place.
The speeds of winding/unwinding wires are slightly different for each wire.
This is normal.
OCH586
30 31
10 DISASSEMBLY PROCEDURE
PLFY-WP32VBM-E.UK PLFY-WP40VBM-E.UK PLFY-WP50VBM-E.UK
Be careful when removing heavy parts.
OPERATING PROCEDURE
1. Removing the air intake grille
(1) Slide the knob of air intake grille toward the arrow 1 to open the air intake grille.
(2) Remove drop prevention hook from the panel.
(3) Slide the shaft in the hinge to the direction of the arrow 2 and remove the air intake grille.
PHOTOS & ILLUSTRATIONS
Figure 1
Filter
2. Removing the room temperature detection thermistor (TH21)
(1) Remove the air intake grille and the filter. (See Figure 1)
(2) Remove the 2 screws from the electrical box cover.
(3) Disconnect the connector CN20 (Red) from the indoor controller board.
(4) Remove the room temperature detection thermistor.
Photo 1
MA remote controller terminal cover
3. Removing the address board (A.B)
(1) Remove the air intake grille and the filter. (See Figure 1)
(2) Remove the 2 screws from the address board cover.
(3) Disconnect the connectors CN43 (RED/4P) and CN82
(RED/8P).
(4) Slide and remove the address board.
Terminal cover fixing screw
Address board cover fixing screw
Address board
Electrical box cover fixing screws
Address board cover fixing screw
Electrical box cover
4. Removing the indoor controller board (I.B)
(1) Remove the air intake grille and the filter. (See Figure 1)
(2) Remove the 2 screws from the electrical box cover.
(3) Disconnect the connectors :
CNMF
CN44
CNP
CN4F
CN01
CNV
(White/7P) for fan motor
(White/4P) for thermistor (TH22/TH23)
(Blue/3P) for drain pump
(White/4P) for float switch
(Black/5P) for earth and TB2
(White/20P) for vane motor
CN81, CN42 (Red/8P,4P) for address board
CN2M (Blue/2P) for TB5
(4) Remove the 6 supports from indoor controller board.
(5) Remove the indoor controller board.
Photo 2
Room temp.
detection thermistor
(TH21)
Electrical box fixing screws
Bell mouth
Turbo fan
Nut
Electrical box fixing screws
5. Removing the electrical box
(1) Remove the air intake grille and the filter. (See Figure 1)
(2) Remove the 3 screws from the electrical box cover.
(3) Disconnect the connectors. (Refer to procedure 4)
(4) Remove 4 electrical box fixing screws and remove 2 hooks.
(5) Pull the electrical box.
<Electrical parts in the electrical box>
Indoor controller board
Terminal block (TB2) (TB5)
Electrical box
Indoor controller board
Support for Indoor controller board
OCH586
31
OPERATING PROCEDURE
6. Removing the fan and fan motor (MF)
(1) Remove the electrical box. (See Photo 2)
(2) Remove the bell mouth (3 screws). (See Photo 2)
(3) Remove the turbo fan nut.
(4) Pull out the turbo fan.
(5) Remove the wire cover (3 screws).
(6) Remove 2 wiring clamps.
(7) Disconnect the connector of the fan motor (CNMF).
(8) Remove the 3 nuts and washers and rubber mounts of the fan motor.
PHOTOS & ILLUSTRATIONS
Photo 3
Fan motor
Coil plate
Clamp
Wire cover fixing screws
Nut,
Washer,
Rubber mount
7. Removing the panel
(1) Remove the air intake grille and the filter. (See Figure 1)
(2) Disconnect the connector CNV (White/20P).
Corner panel (See Figure 2)
(3) Remove the corner screw.
(4) Slide the corner panel to the direction of the arrow 1, and remove the corner panel.
Panel (See Photos 4, 5)
(5) Remove the 2 screws from the panel which fix to the oval holes.
(6) Rotate the panel a little to come to the bell shaped hole where the screw is large and remove the panel.
Figure 2
Corner panel
Photo 4
Screw
Detail Screw
Corner panel
Ball shaped hole
Panel
Photo 5
Oval hole
8. Removing the drain pan
(1) Remove the air intake grille and the filter. (See Figure 1)
(2) Remove the 2 screws from the electrical box cover.
(3) Disconnect the connectors. (Refer to procedure 4)
(4) Remove the panel. (See Photos 4, 5)
(5) Remove the electrical wiring service panel (3 screws).
(6) Remove the drain pump wire cover (1 screw).
(7) Remove the electrical box. (See Photo 2)
(8) Remove the bell mouth. (See Photo 2)
(9) Remove the 4 screws and pull out the drain pan.
Notes:
1. Pull out the left and right of the pan gradually.
2. Be careful not to crack or damage the pan.
Photo 6
Drain pan fixing screw
Electrical wiring service panel
Drain pump wire cover
Drain pan fixing screws
9. Removing the pipe temperature detection thermistor/from
HBC unit (TH22) and pipe temperature detection thermistor/ to HBC unit (TH23)
(1) Remove the drain pan. (See Photo 6)
(2) Remove the turbo fan. (See Photo 3)
(3) Remove the 2 wiring clamps. (See Photo 3)
(4) Remove the coil plate (2 screws).
(5) Remove the thermistors which are inserted into the holders installed to the thin copper pipe.
(6) Disconnect the 4-pin white connector (CN44).
Drain pan fixing screw
Drain pan
Electrical wiring service panel fixing screws
Photo 7
Pipe temp. detection thermistor/to HBC unit (TH23)
Pipe temp. detection thermistor/from HBC unit (TH22)
OCH586 32 33
OPERATING PROCEDURE
10 Removing the drain pump (DP) and float switch (FS)
(1) Remove the drain pan. (See Photo 6)
(2) Cut the hose band and remove the hose.
(3) Remove the drain pump assembly (3 screws and 2 hooks).
(4) Remove the drain pump (3 screws).
(5) Remove the float switch (2 screws).
Photo 8
Float switch
Hose band
Drain pump
PHOTOS
Photo 9
Drain pump assembly fixing screws
11. Removing the heat exchanger
(1) Remove the drain pan. (See Photo 6)
(2) Remove the 3 screws of the piping cover, and pull out piping cover.
(3) Remove the 2 screws of coil plate.
(4) Remove the 2 screws of the coil.
(5) Remove the screw of the coil support.
(6) Pull out the heat exchanger.
Drain pump fixing screws
Photo 10
Heat exchanger
Float switch fixing screws
Heat exchanger fixing screws
Coil support
OCH586 33
c Copyright 2015 MITSUBISHI ELECTRIC CORPORATION
Distributed in Apr. 2015 No. OCH586
Made in Japan
HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU TOKYO 100-8310, JAPAN
New publication, effective Apr. 2015
Specifications are subject to change without notice.
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