Friedrich MC24Y3F User Manual

SPLIT TYPE  
AIR CONDITIONER  
(60Hz)  
type  
CASSETTE  
Models  
Indoor unit  
Outdoor unit  
MC24Y3F  
MR24UY3F  
CONTENTS  
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . 1  
DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 2  
REFRIGERANT SYSTEM DIAGRAM . . . . . . . 4  
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . . 5  
INDOOR PCB CIRCUIT DIAGRAM . . . . . . . . 7  
OUTDOOR PCB CIRCUIT DIAGRAM . . . . . . 8  
ERROR CONTENTS . . . . . . . . . . . . . . . . . . . . 11  
DISASSEMBLY ILLUSTRATION . . . . . . . . . . 13  
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . 21  
STANDARD ACCESSORIES . . . . . . . . . . . . . 23  
DIMENSIONS  
INDOOR UNIT  
unit : inch (mm)  
29-17/32" (750)  
32-3/4" (830)  
37" (940)  
Drain inside Dia. ø1-1/4" (ø32)  
outside Dia. ø1-1/2" (ø37)  
11-3/4" (298.5)  
11-3/4" (298.5)  
12" (305.5)  
9-25/32"  
12" (305.5)  
9-25/32"  
(248.5)  
(248.5)  
2006.05.18  
2
OUTDOOR UNIT  
unit : inch (mm)  
1-1/4"  
(31)  
1/2"  
(12)  
3"(77)  
13" (330)  
35-1/2" (900)  
15-3/4" (400)  
Air Flow  
25-5/8" (650)  
5-3/4" (147)  
6-3/4" (170)  
2006.05.18  
3
REFRIGERANT SYSTEM DIAGRAM  
OUTDOOR UNIT  
INDOOR UNIT  
Pressure  
Check Valve  
Refrigerant Pipe  
15.88mm (5/8")  
High Pressure  
Switch  
Charging  
Valve  
4-way  
Valve  
Condenser  
Evaporator  
Accumulator  
Compressor  
Expansion  
Valve  
Refrigerant Pipe  
9.52mm (3/8")  
Strainer  
Strainer  
Charging Valve  
: COOL  
: HEAT  
2006.05.18  
4
CIRCUIT DIAGRAM  
INDOOR UNIT  
PIPE TEMPERATURE THERMISTOR  
ROOM TEMPERATURE THERMISTOR  
1 2  
1 2  
1 2  
1 2  
TO REMOTE CONTROL UNIT  
BROWN  
RED  
BROWN  
CN7  
CN8  
1
2
3
4
5
1
2
3
4
5
1 1  
2 2  
3 3  
4 4  
5 5  
RED  
ORANGE  
YELLOW  
WHITE  
ORANGE  
STEP MOTOR  
M
3
1
TERMINAL  
2
YELLOW  
WHITE  
RED  
WHITE  
BLACK  
1
2
3
1
2
3
BLACK  
BLACK  
BLACK  
1 1  
2 2  
3 3  
1
2
3
1
2
3
FLOAT SWITCH  
BLACK  
POWER SUPPLY  
PCB ASSY  
BLACK  
BLACK  
YELLOW  
1
2
1
2
1 1  
DRAIN PUMP MOTOR  
M
2 2 YELLOW  
L
N
BLACK  
WHITE  
RED  
1 1  
2 2  
3 3  
RED  
1 1  
2 2  
3 3  
WHITE  
BLACK  
FAN MOTOR  
GREEN /  
YELLOW  
F M  
BLACK  
WHITE  
RED  
1 1  
2 2  
3 3  
5 5  
6 6  
PURPLE  
BLUE  
G
2
(N)  
1
3
FAN MOTOR  
CAPACITOR  
WHITE  
WHITE  
1 1  
2 2  
TERMINAL  
TO OUTDOOR UNIT  
2006.05.18  
5
OUTDOOR UNIT  
OUTDOOR TEMPERATURE  
THERMISTOR  
BLACK  
BLUE  
BROWN  
PIPE TEMPERATURE  
THERMISTOR  
COMPRESSOR TEMPERATURE  
THERMISTOR  
BROWN  
DISCHARG TEMPERATURE  
THERMISTOR  
BLACK  
1 2  
CN25  
HEAT SINK TEMPERATURE  
THERMISTOR  
1 2  
1 2 1 2  
1 2  
EMI FILTER  
CONNECTOR  
CN21  
CN22 CN23 CN26  
1T  
RED  
RED  
RED  
RED  
U
W305  
1
2
HIGH PRESSURE SWITCH  
CN37  
U
WHITE  
WHITE  
BLACK  
V
COMPRESSOR  
W304  
V
FUSE  
F4 T 5A-250V  
BLACK  
BLACK  
1
2
3
BLACK  
W
W303  
W
CN30  
4WV  
SOLENOID COIL  
ACTIVE  
FILTER  
MODULE  
BROWN  
RED  
ORANGE  
1
2
3
4
5
6
1
CONTROLLER PCB ASSY  
CN407  
2
3
4
5
RED  
1
2
3
4
5
6
TERMINAL  
BLACK  
WHITE  
YELLOW  
BLUE  
YELLOW  
F M FAN MOTOR  
CN802  
BLACK  
WHITE  
L1  
YELLOW  
W12  
W13  
P
N
BLUE  
BLACK  
BROWN  
L2  
+
EMI FILTER  
2T  
-
CHOKE COIL  
RED  
BROWN  
BLUE  
1
2
3
4
5
6
FUSE  
F2 T 3.15A-250V  
CN27  
ORANGE  
YELLOW  
WHITE  
EXPANSION VALVE COIL  
E V  
RED  
W16  
W17  
BLACK  
W10  
W11  
CN1  
1 2 3 4  
CN34  
1 2 3  
W200  
WHITE  
BLACK  
1 2 3  
CN1  
TM102  
TM101  
W9 W8  
POWER SUPPLY PCB ASSY  
W6 W7  
W5  
W3  
W4  
RED  
2 (N)  
1
3
N
G
G
L
EARTH  
EARTH  
2006.05.18  
6
INDOOR PCB CIRCUIT DIAGRAM  
CONTROLLER PCB ASSEMBLY  
K01AL-050LHSE-C1  
Model : MC24Y3F  
2006.05.25  
7
OUTDOOR PCB CIRCUIT DIAGRAM  
INVERTER ASSEMBLY  
EZ-005FHUE  
Model : MR24UY3F  
POWER SUPPLY PCB ASSY  
K04BA-0500HUE-P0  
CONTROLLER PCB ASSY  
K04AW-0502HUE-C1  
2006.05.25  
8
Model : MR24UY3F  
CONTROLLER PCB ASSEMBLY  
K04AW-0502HUE-C1  
600/450V x 4  
2006.05.25  
9
Model : MR24UY3F  
POWER SUPPLY PCB ASSEMBLY  
K04BA-0500HUE-P0  
TM100  
L2  
N200500K1D7C  
L1  
RCH4730-021PF07  
L4  
RCH4730-021PF07  
TM101  
TM102  
W4  
BLACK  
WHITE  
B
VA101  
470V  
<TNR>  
VA102  
470V  
C104  
C112  
0.015  
<YE>  
C113  
0.015  
<YE>  
0.033  
<YE>  
C105  
0.033  
<YE>  
C107  
3.3  
<LE>  
C111  
3.3  
<LE>  
C101  
3.3  
<LE>  
POWER SOURCE  
230V  
60Hz  
<TNR>  
W5  
W6  
B
C106  
3.3  
<LE>  
SA100  
RA-302M  
B
BLACK  
TO INDOOR UNIT  
CT1  
CT-1B  
B
W7  
WHITE  
5V  
CN1  
B3B-XASK-1-A  
WHITE  
D60  
DAN217U  
W3  
GREEN  
5V  
B
C65  
0.1  
EARTH  
R68 22K  
<1/10W>  
<F>  
1
2
3
C60  
220/16V  
<PJ>  
VR1  
B2K  
+
CT OUT  
B
B
W8  
BLACK  
C64  
0.1  
<F>  
AC VOLT OUT  
R60 1.0K  
<1/10W>  
(1%)  
R61 3.74K  
<1/10W>  
(1%)  
W9  
WHITE  
10  
2006.05.25  
ERROR CONTENTS  
(indoor unit)  
Error code  
Error contents  
Outdoor signal abnormal  
(1) Stop the air conditioner operation.  
(2) Press the master control button and the fan control button simultane-  
ously for 2 seconds or more to start the test run.  
13  
Excessive outdoor pressure (permanent stop)  
Compressor temperature sensor  
Pressure switch error  
14  
15  
16  
17  
18  
19  
1A  
1b  
1c  
1d  
1E  
1F  
IPM error  
Test run display  
CT error  
(3) Press the start/stop button to stop the test run.  
[SELF-DIAGNOSIS]  
When the error indication "E:EE" is displayed, follow the following items to  
perform the self-diagnosis. "E:EE" indicates an error has occurred.  
Active filter module (AFM) error  
Compressor does not operate  
Outdoor unit fan error  
1. REMOTE CONTROLLER DISPLAY  
(1) Stop the air conditioner operation.  
Communication error  
(2) Press the set temperature buttons  
onds or more to start the self-diagnosis.  
simultaneously for 5 sec-  
(inverter  
multicontroller)  
2 way valve sensor error  
Refer to the following tables for the description of each error code.  
Expansion valve error  
Unit number (usually 0)  
Connection indoor unit error  
Error code  
SU MO TU WE TH FR SA  
Ex. Self-diagnosis  
2. CHECKING DRAINAGE  
(3) Press the set temperature buttons  
onds or more to stop the self-diagnosis.  
simultaneously for 5 sec-  
To check the drain, remove the water cover and fill with 2 to 3 of water as  
shown in figure.  
The drain pump operates when operating in the cooling mode.  
Error code  
Error contents  
Communication error  
00  
(indoor unit  
remote controller)  
Drain pipe  
Communication error  
01  
02  
03  
04  
05  
06  
08  
09  
0A  
0c  
11  
12  
(indoor unit  
outdoor unit)  
Room temperature sensor open  
Water cover  
Room temperature sensor short-circuited  
Indoor heat exchanger temperature sensor open  
Indoor heat exchanger temperature sensor short-  
circuited  
Watering pot  
Outdoor heat exchanger temperature sensor  
Power source connection error  
Float switch operated  
Outdoor temperature sensor  
Discharge pipe temperature sensor  
Model abnormal  
Indoor fan abnormal  
2006.05.25  
11  
ERROR CONTENTS  
(outdoor unit)  
1. Make a TEST RUN in accordance with the in-  
stallation instruction sheet for the indoor unit.  
2. When the product is operating:  
1
Press the PUMP DOWN switch on the outdoor unit.  
The LED on the outdoor unit circuit board lights, and  
operation stops. At this point, recovery has not been  
completed, so do not close the two- and three-way  
valves.  
2. OUTDOOR UNIT LEDS  
When a malfunction occurs in the outdoor unit, the LED on  
the circuit board lights to indicate the error. Refer to the fol-  
lowing table for the description of each error according to the  
LED.  
2
3
4
The pump down operation (cooling operation) be-  
gins after three minutes. Close the three-way valve  
(liquid) after operation starts.  
LED  
Error contents  
Communication error  
After 2 - 3 minutes, operation stops. Close the three-  
way valve (gas) within one minute after operations  
stops.  
1 flash  
(Indoor unit - Outdoor unit)  
2 flash Discharg pipe temperature sensor  
3 flash Outdoor heat exchanger temperature sensor  
4 flash Outdoor temperature sensor  
7 flash Compressor temperature sensor  
8 flash Heat sink temperature sensor  
9 flash Pressure switch abnormal  
The LED will go out three minutes after it stops. Dis-  
connect the power supply after confirming that the  
LED has gone out.  
*When the pump down operation is repeated, temporarily disconnect  
the power supply after opening the closed valves (both liquid and gas).  
Reconnect the power supply after 2 - 3 minutes and perform the pump  
down operation.  
12 flash IPM error  
*When the start of the operation after pump down operation has been  
completed, temporarily disconnect the power supply after opening the  
closed valves (both liquid and gas).  
Reconnect the power supply after 2-3 minutes and be sure to perform  
a test operation for cooling.  
13 flash Compressor rotor position cannot detect  
14 flash Compressor cannot operate  
15 flash Outdoor fan abnormal (upper fan)  
16 flash Outdoor fan abnormal (lower fan)  
3-way valve  
(Liquid)  
lighting  
No error  
SPECIAL INSTALLATION  
SETTING  
PUMP DOWN (Refrigerant collecting operation)  
3-way valve  
(Gas)  
Perform the following procedures to collect the refrigerant  
when moving the indoor unit or the outdoor unit.  
1. When the product is stopped:  
PUMP DOWN SW (SW2)  
1
Press the PUMP DOWN switch on the outdoor unit.  
(The LED on the outdoor unit circuit board lights.)  
2
The pump down operation (cooling operation) be-  
gins right away. After oparation starts, close the  
three-way valve (liquid).  
3
4
After 2 - 3 minutes, operation stops. Close the three-  
way valve (gas) within one minute after operations  
stops.  
The LED will go out three minutes after it stops.Dis-  
connect the power supply after confirming that the  
LED has gone out.  
DANGER  
This part (Choke coil) generates high voltages.  
Never touch this part.  
2006.05.18  
12  
DISASSEMBLY  
ILLUSTRATION  
122  
122  
338  
226  
692  
847  
692  
122  
INDOOR UNIT  
847  
690  
847  
847  
690  
522  
122  
876-2  
692  
690  
692  
543  
543  
692  
692  
847  
122  
847  
544  
544  
543  
543  
847  
542  
834-2  
544  
705  
705  
544  
545  
93  
240  
481  
481  
71  
472-1  
472-2  
472-4  
777-2  
253-A  
858  
71  
481  
481-1  
858  
487  
472-3  
777-1  
469  
468  
472-5  
472-5  
472-5  
472-5  
710  
61  
2006.05.25  
13  
INDOOR UNIT  
462  
479  
187  
460-1  
803  
460-2  
484  
835  
484  
464  
484  
467  
127  
798  
835  
482  
465  
244  
814  
563  
541  
334  
815-1  
541-1  
484  
168  
164  
474  
476-2  
146-2  
146-1  
565  
337-2  
477  
197  
197  
337-1  
337-1  
160  
834-1  
457  
223  
514  
457  
488  
2006.05.18  
14  
INDOOR UNIT  
212  
875  
236  
815-2  
380  
320-1  
32  
320-1  
380  
381-4  
34  
380  
625  
234  
195  
381-4  
731-2  
2006.05.18  
15  
INDOOR UNIT  
187  
138  
184-1  
235  
735  
896  
2006.05.18  
16  
OUTDOOR UNIT  
1
6
4
3
2
5
2006.05.25  
17  
OUTDOOR UNIT  
10  
13  
11  
9
17  
18  
15  
14  
8
2006.05.25  
18  
OUTDOOR UNIT  
26  
24  
25  
31  
27  
22  
23  
19  
29  
28  
12  
12  
30  
20  
2006.05.24  
19  
OUTDOOR UNIT  
38  
37  
36  
35  
33 34  
2006.05.18  
20  
PARTS LIST  
INDOOR UNIT  
Ref.  
Part No.  
MC24Y3F  
67200589  
67220259  
67200591  
67200557  
67200555  
67200569  
67200548  
67200600  
67200601  
67200602  
67200603  
67220260  
67220210  
67206400  
67220226  
67220227  
67220261  
67200453  
67200590  
67200572  
67203505  
67203506  
67203713  
(K01AL-05L1HSE-C1)  
Ord.  
Q'ty  
Ref.  
No  
Part No.  
MC24Y3F  
67200562  
67200563  
67200564  
67200587  
67207465  
67200614  
67200615  
67200616  
67200617  
67200618  
67200619  
67200550  
67200542  
67200567  
67201709  
67201708  
67200575  
67500576  
67500574  
67200577  
67200620  
67200552  
67230030  
67200621  
67200622  
67200593  
67200623  
67200566  
67200595  
67200558  
67200559  
67200594  
67220209  
67220208  
67200585  
67200584  
67200596  
67200597  
67200545  
67200570  
67200565  
67200598  
67200599  
67200613  
Ord.  
Q'ty  
Description  
Description  
No  
32 Control Box Assy  
34 Capacitor (Fan Motor)  
61 Decoration Plate  
71 Holder (Hook)  
93 Filter  
122 Holder(LouverSupporter)  
127 Drain Hose  
472-3 RFM (Grille)-C  
472-4 RFM (Grille)-D  
472-5 RFM (Grille)-E  
474 Turbo Fan Assy  
476-2 Washer(Turbo Fan)  
479 Float Switch  
481 Insulation (Grille)-A  
481-1 Insulation (Grille)-B  
482 Pump Unit  
138 Separate wall  
146-1 Evaporator-A Assy  
146-2 Evaporator-B Assy  
160 Kit (Drain Pan Sub Assy)  
164 Motor, Induction  
168 Cabinet-E  
184-1 Thermistor Spring-A  
187 Clamp No. 1219  
195 Binder-C  
484 Hook  
487 Hinge Wire (Grille)  
488 Drain Pan Plug  
514 ControlBox Cover  
522 Joint Gear  
541 TerminalBase  
541-1 TerminalCover  
542 PanelBase  
543 Holder (Panel Frame)  
544 Holder (Panel Base)  
545 Panel Frame  
563 InnerBox  
565 EvaporatorHolderAssy  
625 Cord Bushing  
690 Joint-A  
692 Joint Shaft  
705 LouverAssy  
710 Intake Grille  
731-2 Holder  
735 Distributor Assy  
777-1 Hook (Grille)-A  
777-2 Hook (Grille)-B  
798 Drain Pump Holder  
803 Cabinet-D  
197 Wind Guide Board  
212 Clamp NK-4N  
223 Control Box  
226 Motor Gear  
234 Room Temp. Thermistor  
235 Pipe Temp. Thermistor  
236 Controller PCB Assy  
240 Remote Control Unit  
244 Pipe CoverAssy  
253-A Wire Assy  
320-1 Wire Clamp Metal  
334 Wire Cover  
337-1 RFM (Eva. )-A  
337-2 RFM (Eva. )-B  
338 Motor Holder  
380 Locking Spacer  
381-4 Spacer  
457 RFM (Drain Pan)  
460-1 Pump Cover-A  
460-2 Pump Cover-B  
462 Panel(Top)Assy  
464 Cabinet-A Assy  
465 Cabinet-B Assy  
467 Drain Port  
468 M10 Nut-A (Large)  
469 M10 Nut-B (Small)  
472-1 RFM (Grille)-A  
472-2 RFM (Grille)-B  
67200604  
67200605  
67200606  
67200607  
67200608  
67200609  
67200610  
67200573  
67207455  
67207464  
67200503  
67200611  
67200612  
67200592  
67220206  
67220207  
67200551  
67207462  
67207463  
67200560  
67200561  
814 Cabinet-C  
815-1 Terminal-3P  
815-2 Terminal-3P  
834-1 Cover(Wire)-A  
834-2 Cover(Wire)-B  
835 Cushion (Pump)  
847 LouverSupporter  
858 Spring (Grille)  
875 Power Supply PCB Assy  
876-2 Motor,Step  
896 Coupling Pipe Assy  
2006.06.13  
21  
OUTDOOR UNIT  
Ref.  
Part No.  
MR24UY3F  
67201640  
67201601  
67201602  
67201603  
67201688  
67201605  
67201607  
67201608  
Ord.  
Q'ty  
Description  
No  
1
2
Top Panel Sub Assy  
Front Panel  
3
Fan Guard  
4
Grip Side  
5
6
Service Panel Sub Assy  
Right Panel  
8
9
Propeller Fan Assy  
Motor, Induction  
10 Condenser-A Assy  
11 CoilChoke  
12 Strainer Assy  
13 Separate Wall Assy  
14 Cap Foot  
15 Base Assy  
67201609  
67201633  
67201611  
67201647  
67201650  
67201648  
67201614  
67201615  
17 3-Way Valve Assy (3/8)  
18 3-Way Valve Assy (5/8)  
19 Check Joint Assy  
20 CompressorAssy  
22 4-Way Valve  
67201616  
67201689  
67201619  
67201681  
67201621  
67201622  
67201690  
67201691  
23 Solenoid  
24 Pressure Switch  
25 Inlet Pipe Cond A Assy  
26 Inlet Pipe Cond B Assy  
27 Outlet Pipe Cond A Assy  
28 Expansion Valve Assy  
29 Coil (Expansion Valve)  
30 Distributor  
31 Discharge Pipe A Assy  
33 Terminal2P  
34 Terminal5P  
35 ACTPM  
36 Holder Thermo  
67201692  
67201422  
67201693  
67201694  
67220181  
67201632  
67201627  
67201628  
37 Inverter PCB Assy  
38 Power PCB Assy  
---- Fuse 3.15A-250V  
---- Thermistor (Outdoor Temp.)  
---- Heat Exchanger Thermistor  
---- Thermistor (Discharge)  
---- Compressor Thermistor  
---- Thermistor  
67201695  
67201696  
67201697  
67201686  
67201698  
67201635  
67201637  
67201430  
---- Heatsink Thermistor  
---- Transformer  
---- Varistor  
---- Arrester  
---- Relay  
---- Relay  
---- Switch Push  
---- Switch Slide  
67201685  
67201699  
67201700  
67201701  
67201702  
67201703  
67201704  
67201705  
---- Drain Pipe Assy  
---- Drain Cap  
67201706  
67201707  
2006.05.25  
22  
STANDARD  
ACCESSORIES  
INDOOR UNIT ACCESSORIES  
Name and Shape  
Coupler heat  
insulation  
Q’ty  
Application  
For indoor side pipe joint  
2
Tapping Screw  
(flush heads)  
For installing the remote  
controller  
2
4
4
Special nut A  
(large flange)  
For installing indoor unit  
For installing indoor unit  
For ceiling hole cutting  
Special nut B  
(small flange)  
Template  
1
1
Binder  
(sm
For fixing the remote  
controller cord  
Blower cover insulation  
Hook wire  
For discharged air  
2
2
For installing intake grille  
Remote  
controller  
1
1
Remote controller cord  
For connecting the remote  
controller  
OUTDOOR UNIT ACCESSORIES  
Name and Shape  
Drain pipe  
Q'ty  
Application  
For outdoor unit drain  
piping work (May not be  
supplied, depending on  
the model.)  
1
Drain cap  
5
2006.05.25  
23  
0605G3089  

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