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Mitsubishi Electric
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PEA-A12AA4
Installation Manual
28 pgs1.01 Mb0
Service Manual
32 pgs1.32 Mb0

Mitsubishi Electric PEA-A12AA4, PEA-A18AA4 Service Manual

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SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
Indoor unit [Model names]
PEA-A12AA4 PEA-A18AA4
December 2010
No.HWE0807B
REVISED EDITION-B
CONTENTS
1. PART NAMES AND FUNCTIONS ········2
2. SPECIFICATIONS·································3
3. OUTLINES AND DIMENSIONS············8
4. WIRING DIAGRAM ·······························9 REFRIGERANT SYSTEM DIAGRAM
Model name indication
5.
6. HEATER CONTROL ···························11
7. TROUBLESHOOTING·························14
INDOOR UNIT
8. DISASSEMBLY PROCEDURE···········25
1
Air outlet duct flange
Air outlet
Air inlet
PART NAMES AND FUNCTIONS
Indoor Unit PEA-A12AA4 PEA-A18AA4
2
2
SPECIFICATIONS
Model Name Capacity
Power source Power input Current Temperature set range Remote controller Airflow direction Fan
Type x Quantity External static press Motor type Motor output Driving mechanism Airflow rate(Low-Mid-High) Airflow rate(Low-Mid-High)
Airflow rate(Low-Mid-High) External finish External dimension H x W x D Net weight Wiring
Refrigerant piping diameter
Drain piping diameter Sound level (Low-Mid-High) (measured in anechoic room) Insulation material Air filter Refrigerant control device Protection devices Heat exchanger Varistor Terminal block Power outlet A Standard attachment
Min.size of wire Amperage of wire breaker Liquid Gas
R410A R410A
Document Accessory
Remark
Note
1.Cooling/Heating capacity indicates the maximum value at operation under the following condition.
<Cooling> Indoor: 80˚FD.B. / 67˚FW.B. (26.7˚CD.B. / 19.4˚CW.B.) Outdoor:95˚FD.B. (35˚CD.B. ) <Heating> Indoor:70
2.Power consumption. Run current at 0.060[in.WG] (15Pa) (external static pressure)
3.Cooling capacity value at 1:1system Heating capacity value at 1:1system
˚FD.B. (21.1˚CD.B.) Outdoor:47˚FD.B. / 43˚FW.B. (8.3˚CD.B. / 6.1˚CW.B.)
Pipe length: 24-9/16ft (7.5m) Height difference: 0ft (0m)
BTU/h
kW A
˚F(˚C)
in.WG(Pa)
kW
m3/min
CFM L/S
mm In. kg
in.(mm)
A
in.(mm) in.(mm) in.(mm)
dB<A>
Cooling
12000
208/230V (60Hz)
0.07
0.57
67 to 86 (19 to 30)
0.02-0.06-0.14-0.20 (5-15-35-50)
Polystyrene foam, Polyethylene foam, Urethane foam
PP Honeycomb fabric (washable)
Cross fin (Aluminum fin and copper tube)
To outdoor unit : 3P To wired remote controller : 2P
Installation Manual, Instruction Book
Drain hose (flexible joint)
-
Sirocco fan x 2
DC brushless motor
0.096
Direct-driven
7.0-9.0-11.0 247-317-388 116-150-183
Galvanized
200 x 990 x 700
7-7/8 x 39 x 27-9/16
22
1/8 (1.6)
15 ø1/4 (ø6.35) Flare ø1/2 (ø12.7) Flare
O.D. 1-1/4 (32)
23-28-33
-
Fuse (250V 6.3A)
ERZV10D471
10
Heating
-
-
-
-
PEA-A12AA4
Cooling
18000
208/230V (60Hz)
0.09
0.74
67 to 86 (19 to 30)
0.02-0.06-0.14-0.20 (5-15-35-50)
7-7/8 x 46-7/8 x 27-9/16
Polystyrene foam, Polyethylene foam, Urethane foam
PP Honeycomb fabric (washable)
Cross fin (Aluminum fin and copper tube)
To outdoor unit : 3P To wired remote controller : 2P
Installation Manual, Instruction Book
Drain hose (flexible joint)
-
Sirocco fan x 4
DC brushless motor
0.096
Direct-driven
12.0-15.0-18.0 423-529-635 200-250-300
Galvanized
200 x 1190 x 700
28
1/8 (1.6)
15 ø1/4 (ø6.35) Flare ø1/2 (ø12.7) Flare
O.D. 1-1/4 (32)
30-34-38
-
Fuse (250V 6.3A)
ERZV10D471
20
Heating
19000
0.07
0.63
63 to 83 (17 to 28)
PEA-A18AA4
3
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE TERESHOLD OF HEARING FOR CONTINUOUS NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μbar)
BAND CENTER FREQUENCIES, Hz
PEA-A12AA4
External static pressure :
0.060[in.WG](15Pa)
High
Middle
33
SPL(dB)
28
Low
23
LINE
<60Hz>
NOTCH
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE TERESHOLD OF HEARING FOR CONTINUOUS NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μbar)
BAND CENTER FREQUENCIES, Hz
PEA-A12AA4
External static pressure :
0.020[in.WG](5Pa)
High
Middle
33
SPL(dB)
28
Low
23
LINE
<60Hz>
NOTCH
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE TERESHOLD OF HEARING FOR CONTINUOUS NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μbar)
BAND CENTER FREQUENCIES, Hz
PEA-A12AA4
External static pressure :
0.200[in.WG](50Pa)
High
Middle
35
SPL(dB)
31
Low
25
LINE
<60Hz>
NOTCH
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE TERESHOLD OF HEARING FOR CONTINUOUS NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μbar)
BAND CENTER FREQUENCIES, Hz
PEA-A12AA4
External static pressure :
0.140[in.WG](35Pa)
High
Middle
34
SPL(dB)
29
Low
24
LINE
<60Hz>
NOTCH
SOUND CRITERION CURVES
NOTE: The sound level is measured in an anechoic room where echoes are few, when compressor stops.The sound
may be bigger than displayed level under actual installation condition by surrounding echoes. The sound level can be higher by about 2 dB than the displayed level during cooling and heating operation.
4
PEA-A18AA4
External static pressure :
0.020[in.WG](5Pa)
90
NOTCH
High
Middle
Low
SPL(dB)
37 33 29
<60Hz>
LINE
PEA-A18AA4
External static pressure :
0.060[in.WG](15Pa)
90
NOTCH
High
Middle
Low
SPL(dB)
38 34 30
<60Hz>
LINE
80
70
60
50
40
30
APPROXIMATE
20
TERESHOLD OF
OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μbar)
HEARING FOR CONTINUOUS NOISE
10
63 125 250 500 1000 2000 4000 8000
BAND CENTER FREQUENCIES, Hz
PEA-A18AA4
External static pressure :
0.140[in.WG](35Pa)
90
NOTCH
High
Middle
Low
SPL(dB)
39 35 31
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
<60Hz>
LINE
80
70
60
50
40
30
APPROXIMATE
20
TERESHOLD OF
OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μbar)
HEARING FOR CONTINUOUS NOISE
10
63 125 250 500 1000 2000 4000 8000
BAND CENTER FREQUENCIES, Hz
PEA-A18AA4
External static pressure :
0.200[in.WG](50Pa)
90
NOTCH
High
Middle
Low
SPL(dB)
39 36 32
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
<60Hz>
LINE
OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μbar)
80
70
60
50
40
30
APPROXIMATE
20
TERESHOLD OF HEARING FOR CONTINUOUS NOISE
10
63 125 250 500 1000 2000 4000 8000
BAND CENTER FREQUENCIES, Hz
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μbar)
80
70
60
50
40
30
APPROXIMATE
20
TERESHOLD OF HEARING FOR CONTINUOUS NOISE
10
63 125 250 500 1000 2000 4000 8000
BAND CENTER FREQUENCIES, Hz
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
NOTE: The sound level is measured in an anechoic room where echoes are few, when compressor stops. The sound
may be bigger than displayed level under actual installation condition by surrounding echoes. The sound level can be higher by about 2 dB than the displayed level during cooling and heating operation.
5
INDOOR FAN PERFORMANCE AND CORRECTED AIR FLOW
PEA-A12AA4
(External static pressure 0.020[in.WG](5Pa) 208/230V 60Hz
40
[0.16]
30
[0.12]
20
[0.08]
High
External static pressure [in.WG](Pa)
10
[0.04]
Low
0
6789101112
[212] [247] [282] [318] [353] [388] [424]
Middle
Airflow rate(m
3
/min)[CFM]
Rated point
PEA-A12AA4
(External static pressure 0.140[in.WG](35Pa) 208/230V 60Hz
80
[0.32]
70
[0.28]
60
[0.24]
50
[0.20]
40
[0.16]
Middle
3
/min)[CFM]
Rated point
30
[0.12]
20
External static pressure [in.WG](Pa)
[0.08]
10
[0.04]
0
6789101112
[212] [247] [282] [318] [353] [388] [424]
Low
Airflow rate(m
Limit
Limit
High
PEA-A12AA4
(External static pressure 0.060[in.WG](15Pa) 208/230V 60Hz
50
[0.20]
40
[0.16]
30
[0.12]
20
[0.08]
External static pressure [in.WG](Pa)
10
[0.04]
0
6789101112
[212] [247] [282] [318] [353] [388] [424]
Low
Middle
Airflow rate(m
3
/min)[CFM]
High
Rated point
PEA-A12AA4
(External static pressure 0.200[in.WG](50Pa) 208/230V 60Hz
80
[0.32]
70
[0.28]
60
[0.24]
50
[0.20]
40
[0.16]
30
[0.12]
20
External static pressure [in.WG](Pa)
[0.08]
10
[0.04]
0
6789101112
[212] [247] [282] [318] [353] [388] [424]
Low
Airflow rate(m
Middle
3
/min)[CFM]
Limit
Rated point
Limit
High
6
PEA-A18AA4
(External static pressure 0.020[in.WG](5Pa) 208/230V 60Hz
40
[0.16]
Limit
30
[0.12]
20
[0.08]
10
External static pressure [in.WG](Pa)
[0.04]
Low
0
9 10111213141516171819
[318] [353] [388] [424] [494][459] [530] [565] [600] [671][636]
Middle
Airflow rate(m
High
3
/min)[CFM]
Rated point
PEA-A18AA4
(External static pressure 0.060[in.WG](15Pa) 208/230V 60Hz
50
[0.20]
Limit
40
[0.16]
High
30
[0.12]
Middle
20
[0.08]
External static pressure [in.WG](Pa)
10
[0.04]
0
9 10111213141516171819
[318] [353] [388] [424] [494][459] [530] [565] [600] [671][636]
Low
Airflow rate(m
3
/min)[CFM]
Rated point
PEA-A18AA4
(External static pressure 0.140[in.WG](35Pa) 208/230V 60Hz
80
[0.32]
70
[0.28]
60
[0.24]
50
[0.20]
40
[0.16]
30
[0.12]
External static pressure [in.WG](Pa)
20
[0.08]
10
[0.04]
0
9 10111213141516171819
[318] [353] [388] [424] [494][459] [530] [565] [600] [671][636]
Low
Airflow rate(m
Middle
3
/min)[CFM]
Limit
High
Rated point
PEA-A18AA4
(External static pressure 0.200[in.WG](50Pa) 208/230V 60Hz
80
[0.32]
70
[0.28]
60
[0.24]
50
[0.20]
40
[0.16]
30
[0.12]
20
External static pressure [in.WG](Pa)
[0.08]
10
[0.04]
0
9 10111213141516171819
[318] [353] [388] [424] [494][459] [530] [565] [600] [671][636]
Low
Airflow rate(m
Limit
Middle
3
/min)[CFM]
High
Rated point
7
3
(46-7/8)
1190
(39)
990
N
(48-25/32)
1239
(40-29/32)
1039
M
ø12.7(1/2)
mm(in.)
(35-7/16)
(27-9/16)
(41-3/4)
(33-7/8)
(47-1/4)
(39-3/8)
(39-3/8)
(31-1/2)
(41-3/4)
(33-7/8)
(47-3/16)
(39-5/16)
(45-3/8)
(37-1/2)
(43-5/16)
(35-7/16)
ø6.35(1/4)
900 952 998 860
9
800 1000 860
7
700
20
24
L
900
K
9
J
1060
HG
1200
F
1000
E
11
D
1060
C
1100B1152
PEA-A12AA4
PEA-A18AA4
Model A
1198
Gas pipe Liquid pipe
1
2
Note1.Use M10 screw for the suspension bolt (field supply).
2.Keep the service space for the maintenance at the bottom.
3.This chart indicates for PEA-A12AA4 model,which has 2 fans. PEA-A18AA4 models have 4 fans.
4.In case an inlet duct is used,remove the air filter(supply with the unit), then install the filter(field supply) at suction side.
Drain pipe(O.D.ø32(1-1/4))
Terminal block (Remote controller transmission line)
Terminal block (Indoor/outdoor connecting line)
Refrigerant piping
flare connection (liquid)
Drain pipe(O.D.ø32(1-1/4)) (Emergency draining)
Knockout hole ø27(1-3/32) (Remote controller transmission line)
Knockout hole
ø
27(1-3/32)
(Indoor/outdoor connecting line)
L-ø2.9(1/8)
2X2-ø2.9(1/8)
2XE-ø2.9(1/8)
Control box
Air filter
Suspension bolt hole 4-14X30(9/16X1-3/16) Slot
Refrigerant piping
flare connection (gas)
Drain pipe(O.D.ø32(1-1/4)) (Spontaneous draining)
Air inlet
Air outlet
N
M
57(2-1/4)
57(2-1/4)
159(6-9/32)
345(13-19/32)
(3-9/16)
(5-29/32)
(2-25/32)(4-19/32)
70
10 (13/32)
(3-15/16)
(1-15/16) (24-5/8)
37(1-15/32)
200(7-7/8)
H
20(13/16)
157.5 (6-7/32)
20 (13/16)
100 (3-15/16)
37(1-15/32)
12(1/2)
12(1/2)
88(3-15/32)
100(3-15/16)XJ=K
100(3-15/16)
88(3-15/32)
10 (13/32)
49
25(1)
170(6-23/32)
102(4-1/32)
270(10-21/32)
116
150(Duct)
23(29/32)
100
25(1)
700(27-9/16) 677(26-21/32)
23 (29/32)
C
B (Suspension bolt pitch)23(29/32)
A
90
625 (Suspension bolt pitch)
D (Duct)
30(1-3/16)
100(3-15/16)X(E-1)=F
100(3-15/16)
20(13/16)
15(19/32)
(1-31/32 ~ 5-29/32)
(30-19/32)
(17-23/32)
(11-13/16)
(17-23/32)
More than 300
450
777
50
(1-31/32)
50 ~ 150
50(1-31/32)
G
450
Note2
Access door
Required space for service and maintenance
More than 20
More than 10
(13/16)
(13/32)
Access door
Ceiling surface
Make the access door at the appointed position properly for service maintenance.
175±5(6-29/32±7/32)
Less than 300
Less than 550
(11-13/16)
(21-21/32)
Drain hose (I.D.ø32(1-1/4)) <accessory>
(Actual length)
2
1
OUTLINES AND DIMENSIONS
PEA-A12AA4 PEA-A18AA4
Unit : mm(in.)
8
4
12
1~
M
ON OFF
SW6
DC294-340V
RECTIFY CIRCUIT
RU
SW1
BZ1
SW2
LED1
CN1
W.B.
RFI
R.B.
1
2
X1
FUSE
DRAINPUMP
135
(BLACK)
CN01
CNP
INSIDE SECTION OF CONTROL BOX
(BLUE)
CN22
31
1
LED1
CN3C
SW2SW1
CN32
CN30(GREEN)
(RED) CN20
CN41
SWE
ON
OFF
CN51
(BLUE)
1474
59
95
2
12
41
FS TH2 TH5 TH1
FAN MOTOR
TB15
1
2
(RED)
CN105
(RED)
CN4F
(WHITE)
CN90
(WHITE)
CN44
(WHITE)
CNMF
(WHITE)
12
CN2L
TB6
(BLUE)
LED3
3
LED2
I. B.
S1
TB4
S3
S2
1
1
1
19
TRANSMISSION WIRES DC 12V
-
+
MS
3~
SW2
SWITCH (HEATING ON/OFF)
SWITCH (COOLING ON/OFF)
SW1
RECEIVING UNIT
RU
LED (RUN INDICATOR)
LED1
BUZZER
BZ1
IR WIRELESS REMOTE CONTROLLER BOARD
COND./EVA. TEMP. THERMISTOR
TH5
PIPE TEMP. THERMISTOR/LIQUID
TH2
INTAKE AIR TEMP. THERMISTOR
TH1
CONNECTOR (EMERGENCY OPERATION)
SWITCH (FOR CAPACITY CODE)
SWITCH (FOR MODE SELECTION)
SWITCH (FOR MODEL SELECTION)
SWE
CONNECTOR (REMOTE SWITCH)
CONNECTOR (LLC)
CONNECTOR (LOSSNAY)
CONNECTOR (BACK-UP HEATING)
NAME NAMESYMBOL SYMBOLSYMBOL
I.B. I.B.
W.B.
OPTIONAL PARTS
R.B.
CN32
CN30
INDOOR CONTROLLER BOARD INDOOR CONTROLLER BOARD
SW2
SW1
SW6
SYMBOL EXPLANATION
NAME
CN2L
CN24
CONNECTOR (HA TERMINAL-A)
CN51
CN90
CN105
CN41
CONNECTOR (CENTRALLY CONTROL)
CONNECTOR (WIRELESS)
CONNECTOR
(RADIO FREQUENCY INTERFACE)
FUSE AC250V 6.3A
FUSE
X1
AUX. RELAY
TB15
FLOAT SWITCH
RADIO FREQUENCY INTERFACE FOR RF THERMOSTAT
FS
RFI
REMOTE CONTROLLER BOARD
POWER SUPPLY (I.B.)
TERMINAL BLOCK (REMOTE CONTROLLER TRANSMISSION LINE)
TERMINAL BLOCK (INDOOR/OUTDOOR CONNECTING LINE)
TERMINAL BLOCK (REMOTE CONTROLLER TRANSMISSION LINE)
TRANSMISSION (INDOOR-OUTDOOR)
POWER SUPPLY (I.B.)
LED1
TB6
LED3
LED2
TB4
Note1. Since the outdoor side electric wiring may change be sure to check the outdoor unit electric wiring for servicing.
2. Indoor and outdoor connecting wires are made with polarities,make wiring matchingterminal numbers (S1,S2,S3).
3. Symbols used in wiring diagram above are as follows. :CONNECTOR :TERMINAL (HEAVY DOTTED LINE):FIELD WIRING (THIN DOTTED LINE):OPTIONAL PARTS
4. Use copper supply wire.
TO OUTDOOR UNIT
(YELLOW)
CN24
TB15 TB4
PARTS LOCATION
I
. B.
CONTROL BOX
WIRING DIAGRAM
PEA-A12AA4 PEA-A18AA4
9
5
REFRIGERANT SYSTEM DIAGRAM
PEA-A12AA4 PEA-A18AA4
Heat exchanger
Room temperature thermistor (TH1)
Distributor
Condenser/evaporator temperature thermistor (TH5)
Pipe temperature thermistor/liquid (TH2)
Strainer #50
Refrigerant GAS pipe connection (Flare)
Refrigerant LIQUID pipe connection (Flare)
Strainer #50
Refrigerant flow in cooling Refrigerant flow in heating
10
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