Mitsubishi Electronics PCFY-P15NKMU-E, PCFY-P24NKMU-E, PCFY-P36NKMU-E, PCFY-P30NKMU-E User Manual
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
Indoor unit
[Model names] [Service Ref.]
PCFY-P15NKMU-E
PCFY-P24NKMU-E
PCFY-P30NKMU-E
PCFY-P15NKMU-E
PCFY-P24NKMU-E
PCFY-P30NKMU-E
February 2009
No. OCH450
R22R410A
Note:
• This manual describes only
service data of the indoor
units.
• RoHS compliant products
have <G> mark on the spec
name plate.
PCFY-P36NKMU-E
PCFY-P36NKMU-E
CONTENTS
1. PART NAMES AND FUNCTIONS
2. SPECIFICATION
3. OUTLINES AND DIMENSIONS
4. WIRING DIAGRAM
5. REFRIGERANT SYSTEM DIAGRAM
6. MICROPROCESSOR CONTROL
7. TROUBLESHOOTING
8. DISASSEMBLY PROCEDURE
PARTS CATALOG (OCB450)
..........
.....................................
..............
...............................
........
...............
..........................
.............
2
4
8
11
12
13
20
29
INDOOR UNIT
Model name
indication
1
PART NAMES AND FUNCTIONS
Indoor unit
Vane
Air outlet
Louver
Air intake
Filter
(Inside of Air intake)
2
Wired remote controller
Display Section
For purposes of this explanation,
all parts of the display are shown
as lit. During actual operation, only
the relevant items will be lit.
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.
Operation Section
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.
TIME SUN MON TUE WED THU FRI SAT
TIMER
AFTER
ERROR CODE
°F°C
Hr
AFTER
°F°C
ONLY1Hr.
Up/Down Air Direction indicator
The indicator shows the direction of the outcoming airflow.
“One Hour Only” indicator
Displayed if the airflow is set to
Low or downward during COOL
or DRY mode. (Operation varies
according to model.)
The indicator goes off in one hour,
at which time the airflow direction
also changes.
Room Temperature display
Shows the room temperature. The room
temperature display range is 46–102°F.
The display blinks if the temperature
is less than 46°F or 102°F 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.
ON
OFF
FUNCTION
FILTER
WEEKLY
SIMPLE
AUTO OFF
“Sensor” indication
Displayed 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.
Timer indicators
The indicator comes on if the corresponding timer is set.
Fan Speed indicator
Shows the selected fan speed.
Ventilation indicator
Appears when the unit is running in
Ventilation mode.
Temperature setting buttons
Down
Up
Timer Menu button
(Monitor/Set button)
Mode button (Return button)
Set Time buttons
Back
Ahead
Timer On/Off button
(Set Day button)
Opening the
lid
Note:
●
“PLEASE WAIT” message
TEMP.
MENU
BACK DAY
MONITOR/SET
PAR-21MAA
CLOCK
ON/OFF
ON/OFF
FILTER
CHECK
OPERATION
Built-in temperature sensor
CLEAR
TEST
ON/OFF button
Fan Speed button
Filter button
(<Enter> button)
Test Run button
Check button (Clear button)
Airflow Up/Down button
Louver button
( Operation button)
To return operation
number
Ventilation button
( Operation button)
To go to next operation
number
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.
3
2
SPECIFICATION
2-1. SPECIFICATIONS
Model PCFY-P15NKMU-E PCFY-P24NKMU-E PCFY-P30NKMU-E PCFY-P36NKMU-E
Power source 1-phase 208/230V 60Hz
Cooling capacity *1
(
)
Nominal
Power input
Current input
Heating capacity
(
)
Nominal
Power input
Current input
External finish MUNSELL (6.4Y 8.9/0.4
External dimensions H x W x D mm 230×960×680 230×1280×680 230×1600×680
Net weight kg (lb)
Heat exchanger Cross fin (Aluminum fin and copper tube
FAN
Type x quantity Sirocco fan × 2 Sirocco fan × 3 Sirocco fan × 4
External Pa 0
static press.
Motor type DC motor
Motor output kW
Driving mechanism Direct-driven by motor
Airflow rate
(
Low-Mid2-Mid1-High
Noise level (Low-Mid2-Mid1-High
(
measured in anechoic room
Insulation material Polyeter sheet
Air filter PP honeycomb
Protection device
Refrigerant control device LEV
Connectable outdoor unit R410A, R22 CITY MULTI
Diameter of Liquid
refrigerant pipe
Gas
Field drain pipe size mm(in.
Standard
attachment
Optional parts
Document
Accessory
Drain pump kit
High efficiency filter
External heater adapter
i-see Sensor
Wireless remote controller with i-see Sensor
Wireless remote controller kit
Remarks
Installation
kW 4.4 7.0 8.8 10.6
*1
Btu/h 15,000 24,000 30,000 36,000
kW 0.03 0.04 0.09 0.11
A 0.35 0.41 0.83 0.97
*2
kW 5.0 7.9 10.0 11.7
*2
Btu/h 17,000 27,000 34,000 40,000
kW 0.03 0.04 0.09 0.11
A 0.35 0.41 0.83 0.97
in. 9-1/16×37-13/16×26-3/4 9-1/16×50-3/8×26-3/4 9-1/16×63×26-3/4
24 (53
)
32 (71
)
)
36 (79
)
)
mmH2O0
0.090
3
m
/min
)
L/s 167-183-200-217 233-250-267-300 333-367-417-467 350-400-450-517
cfm
)
dB <A>
10-11-12-13 14-15-16-18 20-22-25-28 21-24-27-31
353-388-424-459 494-530-565-636 703-777-883-989 742-847-953-1095
29-32-34-36
)
(
)
R410A
(
R22
(
R410A
(
R22
mm(in.
)
)
mm(in.
)
)
ø6.35 (ø1/4) Flare ø9.52 (ø3/8) Flare ø9.52 (ø3/8) Flare ø9.52 (ø3/8) Flare
ø6.35 (ø1/4) Flare ø9.52 (ø3/8) Flare ø9.52 (ø3/8) Flare ø9.52 (ø3/8) Flare
)
ø12.7 (ø1/2) Flare ø15.88 (ø5/8) Flare ø15.88 (ø5/8) Flare ø15.88 (ø5/8) Flare
ø12.7 (ø1/2) Flare ø15.88 (ø5/8) Flare ø15.88 (ø5/8) Flare ø19.05 (ø3/4) Flare
)
0.095 0.160
31-33-35-37 34-37-40-43 36-39-42-44
Fuse
O.D. 26mm (1
)
Installation Manual, Instruction Book
Drain joint socket
PAC-SH83DM-E PAC-SH84DM-E
PAC-SH88KF-E PAC-SH89KF-E
PAC-SH90KF-E
PAC-YU25HT
PAC-SH91MK-E
PAR-SA92MW-E
PAR-SL93B-E
Details on foundation work, insulation work, electrical wiring, power source switch, and other items shall be referred to the
Installation Manual.
38 (84
)
*
3
Note :
Pipe length :
Level difference :
* Due to continuing improvement, above specification may be subject to change without notice.
*1 Nominal cooling conditions
Indoor :
Outdoor :
80°FDB/67°FWB (26.7°CDB/19.4°CWB)
95°FDB (
25 ft. (7.6 m)
0 ft (
0 m)
35°CDB)
*2 Nominal heating conditions
70°FDB(21°CDB)
47°FDB/43°FWB (8.3°CDB/6.1°CWB)
25 ft. (7.6 m)
0 ft (0 m)
*3 Connect the joint
(purchased locally) for R22
Unit converter
kcal/h = kW
Btu/h = kW × 3,412
cfm = m
lb = kg/0.4536
*Above specification data is
subject to rounding variation.
× 860
3
/min × 35.31
4
2-2. ELECTRICAL PARTS SPECIFICATIONS
Service Ref.
Parts name
Room temperature
thermistor
Liquid pipe thermistor
Gas pipe thermistor
Fuse
(Indoor controller board)
Fan motor
Vane motor
Drain-pump
(Option)
Drain float switch
Linear expansion valve
Power supply terminal
block
Symbol
TH21
TH22
TH23
FUSE
MF
MV
DP
FS
LEV
TB2
PCFY-P24NKMU-EPCFY-P15NKMU-E
PCFY-P30NKMU-E
PCFY-P36NKMU-E
Resistance 30°F/15.8kΩ, 50°F/9.6kΩ, 70°F/6.0kΩ, 80°F/4.8kΩ, 90°F/3.9kΩ, 100°F/3.2kΩ
Resistance 30°F/15.8kΩ, 50°F/9.6kΩ, 70°F/6.0kΩ, 80°F/4.8kΩ, 90°F/3.9kΩ, 100°F/3.2kΩ
Resistance 30°F/15.8kΩ, 50°F/9.6kΩ, 70°F/6.0kΩ, 80°F/4.8kΩ, 90°F/3.9kΩ, 100°F/3.2kΩ
250V 6.3A
8-pole OUTPUT 90W 8-pole OUTPUT 95W
8-pole OUTPUT 160W
MSBPC20
DC12V 300Ω/phase
INPUT 10.8W 24 /Hr
Open / Short detection DC 5V
DC12V Stepping motor drive
Port dimension ø3.2 (0~2000pulse)
EFM-40YGME
DC12V Stepping motor drive
Port dimension ø5.2 (0~2000pulse)
EFM-80YGME
(L1, L2, GR) Rated to 330V 30A
Transmission terminal
block
MA remote controller
terminal block
2-3. SOUND LEVEL
PCFY-P•NKMU-E
3.3ft
(1m)
Measurement
location
* Measured in anechoic room.
3.3ft
(1m)
TB5
TB15
(M1, M2, S) Rated to 250V 20A
(1, 2) Rated to 250V 10A
Note : Refer to WIRING DIAGRAM for the supplied voltage.
Sound level at anechoic room : Low-
Service Ref.
PCFY-P15NKMU-E
PCFY-P24NKMU-E 31-33-35-37
PCFY-P30NKMU-E 34-37-40-43
PCFY-P36NKMU-E 36-39-42-44
Sound level dB (A)
29-32-34-36
Mid2-Mid1-High
5
A
A
2-4. NC CURVES
PCFY-P15NKMU-E
External static pressure : 0Pa
Power source :
70.0
65.0
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
Approximate minimum
20.0
audible limit on
continuous noise
15.0
Octave band pressure level (dB) 0dB=20μPa
10.0
63 125 250 500 1k 2k 4k 8k
208V, 230V, 60Hz
High
Middle1
Octave band center frequencies (Hz)
Middle2
Low
NC-60
NC-50
NC-40
NC-30
NC-20
PCFY-P24NKMU-E
External static pressure : 0Pa
Power source :
70.0
65.0
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
pproximate minimum
20.0
audible limit on
continuous noise
15.0
Octave band pressure level (dB) 0dB=20μPa
10.0
63 125 250 500 1k 2k 4k 8k
208V, 230V, 60Hz
High
Middle1
Octave band center frequencies (Hz)
Middle2
Low
NC-60
NC-50
NC-40
NC-30
NC-20
PCFY-P30NKMU-E
External static pressure : 0Pa
Power source :
70.0
65.0
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
Approximate minimum
20.0
audible limit on
continuous noise
15.0
Octave band pressure level (dB) 0dB=20μPa
10.0
63 125 250 500 1k 2k 4k 8k
208V, 230V, 60Hz
High
Middle1
Octave band center frequencies (Hz)
Middle2
Low
NC-60
NC-50
NC-40
NC-30
NC-20
PCFY-P36NKMU-E
External static pressure : 0Pa
Power source :
70.0
65.0
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
pproximate minimum
20.0
audible limit on
continuous noise
Octave band pressure level (dB) 0dB=20μPa
15.0
10.0
63 125 250 500 1k 2k 4k 8k
208V, 230V, 60Hz
High
Middle1
Octave band center frequencies (Hz)
Middle2
Low
NC-60
NC-50
NC-40
NC-30
NC-20
6
2-5. FRESH AIR INTAKE AMOUNT & STATIC PRESSURE CHARACTERISTICS
■
PCFY-P15NKMU-E
How to read curves
50(20)
0
-50(-20)
-100(-40)
-150(-60)
-200(-80)
-250(-100)
-300(-120)
Static pressure[Pa(in.W.G.×10ˉ²]
■
PCFY-P24NKMU-E
0 1 2 3 4
50(20)
0
-50(-20)
-100(-40)
-150(-60)
-200(-80)
-250(-100)
-300(-120)
Static pressure[Pa(in.W.G.×10ˉ²]
0 1 2 3 4
50 100
Airflow rate
50 100
Airflow rate
[CMM]
[CFM]
[CMM]
[CFM]
1
0
2
3
Q
Qa
Curve in the
graphs
Q
Q
Duct characteristics
at site
A
C
B
A
EC
AD
Q…Designed amount of fresh air intake
A…Static pressure loss of fresh air
intake duct system with airflow
amount Q <Pa(in.W.G.x10-2)>
B…Forced static pressure at air con-
ditioner inlet with airflow amount Q
C…Static pressure of booster fan with
airflow amount Q <Pa(in.W.G.x10-2)>
D…Static pressure loss increase amount
of fresh air intake duct system for
airflow amount Q <Pa(in.W.G.x10-2)>
E…Static pressure of indoor unit with
airflow amount Q <Pa(in.W.G.x10-2)>
Qa…Estimated amount of fresh air
intake without D <CMM(CFM)>
<CMM(CFM)>
<Pa(in.W.G.x10
-2
)>
■
PCFY-P30, 36NKMU-E
50(20)
0
-50(-20)
-100(-40)
-150(-60)
-200(-80)
-250(-100)
-300(-120)
Static pressure[Pa(in.W.G.×10ˉ²]
0 1 2 3 4
50 100
Airflow rate
[CMM]
[CFM]
7
3
OUTLINES AND DIMENSIONS
PCFY-P15NKMU-E
6
6
3-1/8(80)
26-3/4(680)
12-5/8(320)
2(51)
3/8(10)
1/16(2)
3/16(5)
When drain socket
is installed
gas Φ1/2(Φ12.7)
liquid Φ1/4(Φ6.35)
8(203)
9-5/16(236)
7-1/4(184)
9-3/16(233)
14
9/16
In case of wireless
remote controller
and i-see sensor
9-1/16(230)
7-11/16(195)
3-7/16(88)
3-5/16(84)
Drainage
9-11/16(246)
NOTES.
1.Use M10 or W3/8 screw for anchor bolt.
2.Please be sure when installing the
drain lift up mechanism(option parts),
refrigerant pipe will be only upward.
Emergency operation
switch <Heating>
DEFROST/STAND BY lamp
Operation lamp
(Optional Parts)
In case of wireless remote controller
and i-see sensor(Optional Parts)
Emergency operation
switch <Cooling>
3-3/8(85)7-3/16(182)
Receiver
i-see sensor
26-3/4(680)
2-1/4(57)
18-3/4(476)
10(254)
Unit : inch(mm)
1
5
[FRONT VIEW]
5-1/2(140) 2-7/16(62)
36-1/16(917)(Suspension bolt pitch)
4
3-3/8(85)
1/16(2)
3-3/8(86)
10-1/4(260)
120°
3(76)4-7/8(124)
11/16(18)
5-7/8(150)
4-15/16(126)
1/16(1)
Ceiling
3
Electrical box
7-1/2(190)1-13/16(46)
7-1/2(190)
5-7/16(138)
11/16(18)
125)
2-15/16(75)
1-7/16(37)
1-1/2(38)
4-15/16(Φ
Φ
2
4-3/4(121)
15-1/4(387)
18-1/8(461)
33-9/16(853)
37-13/16(960)
1/16(2)
7
1-7/8(48)5/16(8)
Air outlet
Drainage
When drain socket
is installed
9-11/16(246)
9-3/16(233)
8
2
In case of the rear pipe arrangement, make sure to
remove the shaded portions from the independent piece.
Then put the independent piece back in initial
position.(The heat exchanger might be clogged because of dust)
When electrical box
is pulled down
Electrical box
8
34-9/16(878)
Air intake
Drainage pipe connection(1(26mm)I.D.)
Drainage pipe connection(for the left arrangement)
Knock out hole for left drain-piping arrangement
Refrigerant-pipe connection(gas pipe side/flared connection)
Refrigerant-pipe connection(liquid pipe side/flared connection)
Knock out hole for upper drain pipe arrangement
Knock out hole for fresh air intake Φ3-15/16(Φ100)
Knock out hole for wiring arrangement Φ7/8(Φ22)
1
2
1
5
4
3
5
6
6
4
3
2
Accessory...Drain socket (1(26mm) I.D.)
8
7
8
7
PCFY-P24NKMU-E
2-7/16(62)
Unit : inch(mm)
Drainage
liquid Φ3/8(Φ9.52)
gas Φ5/8(Φ15.88)
When drain socket
is installed
9-5/16(236)
7-7/8(200)
9-3/16(233)
9-11/16(246)
7-1/16(180)
Emergency operation
14
9/16
2(51)
3/8(10)
3/16(5)
6
26-3/4(680)
3-1/8(80)
12-5/8(320)
In case of wireless
remote controller
and i-see sensor
9-1/16(230)
7-11/16(195)
3-7/16(88)
3-5/16(84)
(Optional Parts)
3-3/8(85)
switch <Heating>
DEFROST/STAND BY lamp
Operation lamp
Receiver
In case of wireless remote controller
and i-see sensor(Optional Parts)
Emergency operation
switch <Cooling>
2-1/4(57)
i-see sensor
NOTES.
1.Use M10 or W3/8 screw for anchor bolt.
2.Please be sure when installing the drain lift up
mechanism(option parts),refrigerant pipe will be only upward.
26-3/4(680)
18-3/4(476)
10(254)
5-1/2(140)
11/16(18)
5-7/8(150)
48-11/16(1237) (Suspension bolt pitch)
46-3/16(1173)
7-3/16(182)
47-3/16(1198)
Air outlet
4-15/16(126)
1/16(1)
7-1/12(190)
1-7/16(37)
1/16(2) 1/16(2)50-3/8(1280)
Air intake
4
3-3/8(85)
10-1/4(260)
1/16(2)
3-3/8(86)
120°
Ceiling
3(76)
5-7/16(138)
11/16(18)
125)
1-1/2(38)
Φ4-15/16(Φ
4-3/4(121)
4-7/8(124)
15-1/4(387)
7
7
8
8
18-1/8(461)
In case of the rear pipe arrangement, make sure to
remove the shaded portions from the independent piece.
Then put the independent piece back in initial
1-7/8(48)5/16(8)
position.(The heat exchanger might be clogged because of dust)
When drain socket
2
Drainage
is installed
9-11/16(246)
9-3/16(233)
1
5
[FRONT VIEW]
Electrical box
3
7-1/2(190)
2-15/16(75)
2
When electrical box
is pulled down
1-13/16(46)
Electrical box
9
Drainage pipe connection(1(26mm)I.D.)
Drainage pipe connection(for the left arrangement)
Knock out hole for left drain-piping arrangement
Refrigerant-pipe connection(gas pipe side/flared connection)
Refrigerant-pipe connection(liquid pipe side/flared connection)
Knock out hole for upper drain pipe arrangement
Knock out hole for fresh air intake Φ3-15/16(Φ100)
Knock out hole for wiring arrangement Φ7/8(Φ22)
3
214
5
6
Accessory...Drain socket (1(26mm) I.D.)
8
7
PCFY-P30, 36NKMU-E
80
3-1/8
62
2-7/165-1/2
6
26-3/4(680)
12-5/8(320)
2(51)
3/8(10)
1/16(2)
3/16(5)
When drain socket
is installed
gas Φ5/8(Φ15.88)
liquid Φ3/8(Φ9.52)
9-5/16(236)
9-3/16(233)
7-7/8(200)
7-1/16(180)
14
9/16
In case of wireless
remote controller
9-1/16(230)
and i-see sensor
7-11/16(195)
3-7/16(88)
3-5/16(84)
Drainage
9-11/16(246)
Emergency operation
switch <Heating>
DEFROST/STAND BY lamp
Receiver
In case of wireless remote controller
and i-see sensor(Optional Parts)
Emergency operation
switch <Cooling>
(Optional Parts)
57
2-1/4
85
26-3/4(680)
18-3/4(476)
10(254)
Unit : inch(mm)
Operation lamp
Air intake
140
11/16(18)
5-7/8(150)
61-5/16(1557) (Suspension bolt pitch)
NOTES.
1.Use M10 or W3/8 screw for anchor bolt.
2.Please be sure when installing the drain lift up
mechanism (option parts),refrigerant pipe will be only upward.
4-15/16(126)
1/16(1)
4
3-3/8(85)
10-1/4(260)
1/16(2)
3-3/8(86)
°
0
2
1
1
1
5
7-1/2(190)
5-7/16(138)
11/16(18)
)
5
2
1
(Φ
1-7/16(37)
1-1/2(38)
6
/1
5
-1
4
4-3/4(121)
15-1/4(387)
Φ
18-1/8(461)
7
8
Ceiling
3(76)
[FRONT VIEW]
4-7/8(124)
In case of the rear pipe arrangement, make sure to
remove the shaded portions from the independent piece.
Then put the independent piece back in initial
position.(The heat exchanger might be clogged because of dust)
58-3/4(1493)
1/16(2) 63(1600)
Electrical box
1-7/8(48)5/16(8)
Air outlet
Drainage
When drain socket
is installed
9-11/16(246)
9-3/16(233)
2
182
7-3/16 3-3/8
59-3/4(1518)
Knock out hole for upper drain pipe arrangement
Knock out hole for fresh air intake Φ3-15/16(Φ100)
Knock out hole for wiring arrangement Φ7/8(Φ22)
Drainage pipe connection(1(26mm)I.D.)
Drainage pipe connection(for the left arrangement)
Knock out hole for left drain-piping arrangement
Refrigerant-pipe connection
(gas pipe side/flared connection)
Refrigerant-pipe connection
(liquid pipe side/flared connection)
5
4
3
2
11
Accessory...Drain socket (1(26mm)I.D.)
8
7
6
Electrical box
3
7-1/2(190)
When electrical box
2-15/16(75)
2-15/16(75)
2
1-13/16(46)
is pulled down
10
4
WIRING DIAGRAM
PCFY-P15, 24, 30, 36NKMU-E
[LEGEND]
SYMBOL
I. B
LEV
MF
MV
TB2
TB5
TB15
TH21
INDOOR CONTROLLER BOARD
CN24
CONNECTOR
CN27
CN32
CN51
CN52
SURGE ABSORBER
DSA
FUSE
FUSE (T6.3AL250V)
SW2
SWITCH
SW3
SW4
SWE
AUX. RELAY
X1
VARISTOR
ZNR01,02
LINEAR EXPANSION VALVE
FAN MOTOR
VANE MOTOR
I-SEE SENSOR MOTOR(OPTIONAL PARTS)MT
TERMINAL
BLOCK
THERMISTOR
EXTERNAL HEATER
DAMPER
REMOTE SWITCH
CENTRALLY CONTROL
REMOTE INDICATION
CAPACITY CODE
MODE SELECTION
MODEL SELECTION
DRAIN LIFT UP MECHANISM (TEST MODE)
DRAIN LIFT UP MECHANISM (OPTIONAL PARTS)
POWER SUPPLY
TRANSMISSION
MA-REMOTE CONTROLLER
ROOM TEMP. DETECTION
(32°F/15ΚΩ, 77°F/5.4ΚΩ Detect)
SYMBOLNAME
TH22
TH23
A. B
SWA
SWC
SW1
SW11
SW12
SW14
OPTIONAL PARTS
W.B
BZ
LED1
LED2
RU
SW1
SW2
DP
FS
NAME
THERMISTOR
ADDRESS BOARD
SWITCH
PCB FOR WIRELESS REMOTE CONTROLLER
BUZZER
LED (OPERATION INDICATION : GREEN)
LED (PREPARATION FOR HEATING : ORANGE)
RECEVING UNIT
EMERGENCY OPERATION (HEAT / DOWN)
EMERGENCY OPERATION (COOL / UP)
DRAIN LIFT UP MECHANISM
DRAIN FLOAT SWITCH
PIPE TEMP. DETECTION / LIQUID
(32°F/15ΚΩ, 77°F/5.4ΚΩ Detect)
PIPE TEMP. DETECTION / GAS
(32°F/15ΚΩ, 77°F/5.4ΚΩ Detect)
CEILING HEIGHT SELECTOR
OPTION SELECTOR
MODE SELECTION
ADDRESS SETTING 1s DIGIT
ADDRESS SETTING 10ths DIGIT
BRANCH No.
LED on indoor board for service
Mark
LED1
LED2
Meaning Function
Main power supply
Power supply for
MA-Remote controller
Main Power supply (Indoor unit:208-230V)
power on → lamp is lit
Power supply for MA-Remote controller
on → lamp is lit
45
M
I-SEE
SENSOR
MT
I-SEE SENSOR
(OPTIONAL PARTS)
1418
ADDRESS
9
BZ
LED2
LED1
RU
<Fig. w1>
MODELS
P15
P24
P30
P36
4
ON
OFF
12345678910 12345612345
CN42
(RED)
LIQUID/PIPE
CN44
(WHT)
14
When attaching
drain lift up
mechanism
t° t°
(optional parts),
remove the jumper
connector CN4F
and fit the drain
float switch (FS).
SW2 SW3
ON
OFF
123456
ON
OFF
123456
ON
OFF
123456
ON
OFF
123456
See fig.w1
SW3 SW4
SWE
ONOFF
FLOAT SW
CN4F
(WHT)
14
ON
OFF
12345678910
ON
OFF
12345678910
SW2
When attaching
drain lift up
mechanism
(optional parts)
FLOAT SW
CN4F
(WHT)
ON
OFF
DC294~325V
RECTIFICATION
CN25
CN24
(WHT)
(YLW)
21
INTAKE
CN20
(RED)
14
t°
TH21TH23TH22
FS
BLU
BLU
21
M-NET
CN2M
(BLU)
21
LED1
CN27
(RED)
2121
w
Be sure to turn off the source power
and then disconnect fan motor connector.
(Failure to do so will cause trouble in Fan motor)
A.B
MV
M
5
20
I-SEE SENSOR MOTOR
CN6Y
(RED)
16
I-SEE SENSOR
CN4Y
(WHT)
14
VANE CNV
MA REMOCON
LEV
CN60
(WHT)
16
CN52
(GRN)
6
BLU
YLW
ORN
WHT
M
LEV
OFF
(WHT)
CN3A
(BLU)
13
CN51
(WHT)
1515
RED
BRN
SW1
ON
12345678910
SW12 SW11
9
8
7
10ths
DIGIT
12345678910111213141516171819
SWA
3
2
1
0
0
1
1
9
2
2
8
3
3
7
2
4
4
6
6
5
5
1
1s
DIGIT
CN32
(WHT)
13
LED2
CN41
(WHT)
14
TB15
BLU
1
BLU
2
4
(RED)
ADDRESS
CN43
1
8
(RED)
ADDRESS
SW14
CN82
0
1
SWC
F
2
E
3
4
D
5
C
6
B
7
A
8
9
BRANCH
1
No.
8
J42 J41
Pair No.
ADDRESS
CN81
(RED)
WIRELESS
CN90
(WHT)
19
TO MA-REMOTE
CONTROLLER
DC8.7-13V
CNB
SW1
SW2
W.B
(OPTIONAL PARTS)
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 fig.w1.
<w2>Use copper supply wires.
TB5
M1
M2
S
(SHIELD)
U
ZNR01
74
TO OUTDOOR UNIT
BC CONTROLLER
REMOTE CONTROLLER
DC24-30V
GRN/YLW
135
CND
(BLK)
DSA
ZNR02
U
FUSE
FAN
CNMF
(WHT)
MS
D.U.M
1
CNP
(BLU)
3~
MF
(OPTIONAL PARTS)
<w2>
RED
BLU
M
1~
DP
TB2
L1
L2
GR
I.B
X1
13
POWER SUPPLY
~208-230V 60Hz
BREAKER
(16A)
FUSE(16A)
PULL BOX
TO NEXT
INDOOR UNIT
11
Loading...