SPLIT TYPE
ROOM AIR CONDITIONER
WALL MOUNTED type
Reciprocating Compressor Models
Indoor unit
Outdoor unit
MW18C3E
MW18Y3E
MW24C3E
MW24Y3E
MW30C3E
MR18C3E
MR18Y3E
MR24C3E
MR24Y3E
MR30C3E
Rotary Compressor Models
Indoor unit
Outdoor unit
MW18C3E
MW18Y3E
MR18C3E-A
MR18Y3E-A
MW24C3E
MW24Y3E
MR24C3E-A
MR24Y3E-A
C O N T E N T S
1
3
4
SPECIFICATIONS
OUTLINE AND DIMENSIONS
REFRIGERANT SYSTEM DIAGRAM
CIRCUIT DIAGRAM
9
14
17
18
35
INDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM
ERROR DISPLAY
DISASSEMBLY ILLUSTRATION
PARTS LIST
S P E C I F I C A T I O N S
R O T A R Y C O M P R E S S O R M O D E L S
COOL
COOL & HEAT
COOL
COOL & HEAT
TYPE
INDOOR UNIT
MW18C3E
MR18C3E-A
18,000 -17,000
-----
MW18Y3E
MR18Y3E-A
MW24C3E
MR24C3E-A
23,000 - 22,500
-----
MW24Y3E
MR24Y3E-A
OUTDOOR UNIT
COOLI NG CAPACITY
HEATING CAPACITY
(BTU / h)
(BTU / h)
17,500 - 16,500
18,000 - 17500
23,000 - 22,500
23,500 - 22,500
ELECTRICAL DATA
POWER SOURCE
(V)
230 / 208
60
FREQUENCY
(Hz)
COOLING
HEATI NG
COOLING
8.3 - 9.1
-----
8.2 - 8.9
8.0 - 8.5
10.7 - 11.7
-----
10.5- 11.3
9.9- 10.4
2.34- 2.29
RUNNING CURRENT (A)
1.91 - 1.87
1.89 - 1.84
2.41 - 2.40
INPUT WATTS
E.E.R.
(kW)
HEATI NG
COOLING
HEATI NG
( / hr)
-----
9.4 - 9.0
-----
1.82 - 1.77
9.26 - 8.97
9.89 - 9.89
1.8
-----
10.7 - 11.7
-----
2.18- 2.13
9.82- 9.83
10.8- 10.6
2.7
(BTU / h.W)
MOISTURE REMOVAL
AIR CIRCULATION - Hi
2.0
2.7
3
800
800
1,000
1,000
(m / hr)
COMPRESSOR
TYPE
Hermetic type, Permanent split condenser, 2 poles, Single phase, Induction motor
CODE
PH28NSGT
1,700
PH28NSGT
1,900
PH33NTJT
2,000
PH33NTJT
2,200
REFRIGERANT R-22
(g)
FAN MOTOR
POWER SOURCE
(V)
230 / 208
(r.p.m.)
(r.p.m.)
TYPE
MFA-18FPHT
960 - 870
MFA-18FPHT
960 - 870
MFA-30FPHT
1,260 - 1,160
MFA-30FPHT
1,260 - 1,160
HI-SPEED
INDOOR UNIT
MED-SPEED (r.p.m.)
LO-SPEED (r.p.m.)
TYPE
840 - 750
720 - 580
MFB-24FP
735
840 - 750
720 - 580
MFB-24FP
735
1,130 - 1,030
990 - 870
MFB-24FP
735
1,130 - 1,030
990 - 870
MFB-24FP
735
OUTDOOR UNIT
(r.p.m.)
DIMENSIONS
HEIGHT inch (mm)
12 - 19/32" (320)
12 - 19/32" (320)
12 - 19/32" (320)
12 - 19/32" (320)
INDOOR UNIT
WIDTH
DEPTH
HEIGHT
WIDTH
DEPTH
inch (mm)
inch (mm)
49 -7/32" (1,250)
7 - 11/16" (195)
25 - 1/8" (643)
33 - 1/32" (840)
13 - 1/4" (336)
49 -7/32" (1,250)
7 - 11/16" (195)
25 - 1/8" (643)
33 - 1/32" (840)
13 - 1/4" (336)
49 -7/32" (1,250)
7 - 11/16" (195)
25 - 1/8" (643)
33 - 1/32" (840)
13 - 1/4" (336)
49 -7/32" (1,250)
7 - 11/16" (195)
25 - 1/8" (643)
33 - 1/32" (840)
13 - 1/4" (336)
inch (mm)
inch (mm)
inch (mm)
OUTDOOR UNIT
WEIGHTS
INDOOR UNIT
55 / 40 (25 / 18)
55 / 40 (25 / 18)
165 / 147 (75 / 67)
55 /40 (25 / 18)
165 /147 (75 / 67)
55 /40 (25 / 18)
167 /150 (76 / 68)
GROSS / NET lbs (kg)
OUTDOOR UNIT
163 / 145 (74 / 66)
REFRIGERANT CHARGING
25 ft. (7.5 m)
1,700 g
33 ft. (10 m)
1,736 g
49 ft. (15 m)
1,808 g
66 ft. (20 m)
1,880 g
PIPE LENGTH
MR18C3E-A
(60.0 oz.)
(61.2 oz.)
(63.7 oz.)
(66.3 oz.)
FULL
1,900 g
(67.0 oz.)
1,985 g
(70.0 oz.)
2,155 g
(76.0 oz.)
2,325 g
(82.0 oz.)
MR18Y3E-A
CHARGE
AMOUNT
2,000 g
2,030 g
2,060 g
2,120 g
MR24C3E-A
MR24Y3E-A
(67.0 oz.)
2,200 g
(71.6 oz.)
2,285 g
(72.7 oz.)
2,455 g
(74.8 oz.)
2,625 g
(77.6 oz.)
(80.6 oz.)
(86.6 oz.)
(92.6 oz.)
Note : Whenever 7.5 m is exceeded, and/or when using a line set length other than those found in the table, charge with additional refrigerant as follows:
34 g (1.20 oz.) / 3.3 ft. (1 m) for 18Y, 24Y Models and 14.4 g (0.51 oz.) / 3.3 ft (1 m) for 18C Model and 12 g (0.42 oz.) / 3.3 ft (1 m) for 24C Model.
2003.06.17
- 3 -
Models: MW18C3E, MW18Y3E
MW24C3E, MW24Y3E
MW30C3E
Models: MR18C3E, MR18C3E-A
Model: MR30C3E
MR18Y3E, MR18Y3E-A
MR24C3E, MR24C3E-A
MR24Y3E, MR24Y3E-A
14-9/16"(336)
R E F R I G E R A N T S Y S T E M D I A G R A M
Models: MW18C3E / MR18C3E
Models: MW18Y3E / MR18Y3E
2003.08.27
Models: MW24C3E / MR24C3E
Models: MW24Y3E / MR24Y3E
2003.08.27
- 5 -
Model: MW30C3E / MR30C3E
2003.08.27
- 6 -
Models : MW18C3E / MR18C3E-A
Models : MW18Y3E/ MR18Y3E-A
Cooling
Heating
: Flare coupling
2003.08.27
- 7 -
Models : MW24C3E / MR24C3E-A
Models : MW24Y3E / MR24Y3E-A
Cooling
Heating
: Flare coupling
2003.08.27
- 8 -
Models: MW18C3E / MR18C3E
MW24C3E / MR24C3E
Models: MW18Y3E / MR18Y3E
MW24Y3E / MR24Y3E
Models: MW30C3E / MR30C3E
Models: MW18C3E / MR18C3E-A
MW24C3E / MR24C3E-A
Models: MW18Y3E, MR18Y3E-A
MW24Y3E, MR24Y3E-A
Models: MW18C3E / MR18C3E, MR18C3E-A
MW24C3E / MR24C3E, MR24C3E-A
Models: MW18Y3E / MR18Y3E, MR18Y3E-A
MW24Y3E / MR24Y3E, MR24Y3E-A
Models: MW30C3E / MR30C3E
E R R O R D I S P L A Y
Operation can be checked by lighting and flashing of the
display section OPERATION and TIMER lamps. Perform
judgment in accordance with the following.
Test running
When the air conditioner is run by pressing the remote control
unit test run button, the OPERATION and TIMER lamps flash
slowly at the same time.
Error
The OPERATION and TIMER lamps operate as follows (Table)
according to the error contents.
Table
Error display
Error contents
0.5 sec
0.5 sec
ON
Two quick
flashes
repeated
OPERATION
LAMP
Room temperature
thermistor abnormal
temperature
OFF
5
sec
se
0.1
ON
detected
0.1 sec ON/OFF
repeated
TIMER
LAMP
O
sec
F F
0.5
0.5 sec
ON
ON
Three quick
flashes
repeated
OPERATION
LAMP
Piping thermistor
abnormal
temperature
detected
O F
F 5
sec
se
TIMER
LAMP
0.1 sec
ON/OFF
repeated
O
sec
F F
2003.06.18
- 17 -
Models: MW18C3E
MW18Y3E
MW24C3E
MW24Y3E
MW30C3E
MW24C3E, MW24Y3E, MW30C3E
Models: MW18C3E
MW18Y3E
MW24C3E
MW24Y3E
MW30C3E
Models: MW18C3E
MW18Y3E
MW24C3E
MW24Y3E
MW30C3E
Models: MR18C3E, MR18C3E-A, MR18Y3E, MR18Y3E-A
MR24C3E, MR24C3E-A, MR24Y3E, MR24Y3E-A
Models: MR18C3E
Models: MR18C3E-A
Model: MR18Y3E
Model: MR18Y3E-A
Model: MR24C3E
Model: MR24C3E-A
Model: MR24Y3E
Model: MR24Y3E-A
Model: MR30C3E
Models: MR30C3E
Models: MR30C3E
Models: MR18C3E-A
MR18Y3E-A
MR24C3E-A
MR24Y3E-A
Models: MR18C3E-A
MR18Y3E-A
MR24C3E-A
MR24Y3E-A
MW18C3E
MW18Y3E
MW24C3E
MW24Y3E
MW30C3E
P A R T S L I S T
When you order parts, please make a photocopy of this page
and fill the number of the parts in the "Order" Column.
INDOOR UNIT
Part No.
MW24C3E
67210022
Ref.
No.
Ord.
Q'ty
Description
MW18C3E
67210022
MW18Y3E
67210022
MW30C3E
67210022
MW24Y3E
67210022
34
Capacitor(Fan Motor)
63
69
91
93
108
109
Panel(Front) Total Assy
Louver
Hinge Plate
Air Filter
Base
Casing Assy
67210014
67120007
67220079
67210003
67210011
67210015
67210014
67120007
67220079
67210003
67210011
67210015
67210014
67120007
67220079
67210003
67210011
67210015
67210014
67120007
67220079
67210003
67210011
67210015
67210014
67120007
67220079
67210003
67210011
67210015
127
Drain Hose Assembly
67210017
67210017
67220074
67210017
67220074
67210017
67220074
67210017
67220074
146
164
Evaporator Assy
Fan Motor Assy-IN
67220074
67220076
67220076
67220076
67220076
67220076
210
234
235
Main Relay
Thermistor Assy-Room
Thermistor Assy-Pipe
67210001
67210026
67210027
67210001
67210026
67210027
67210001
67210026
67210027
67210001
67210026
67210027
67210001
67210026
67210027
236
Controller PCB Assy
67220068
67220070
67220068
67220069
67210031
240
320
325
326
385
Remote Control Unit
67210018
67220078
67210004
67210005
67210025
67220081
67220078
67210004
67210005
67210025
67210018
67220078
67210004
67210005
67210025
67220081
67220078
67210004
67210005
67210025
67220018
67220078
67210004
67210005
67210025
Flap(Upper)-G
Cross Flow Fan-R Assy
Crossflow Fan – L Assy
Indicator PCB Assy
401
Bracket, Panel
67220048
67210006
67210008
67210009
67210057
67210019
67220048
67210006
67210008
67210009
67210057
67210019
67220048
67210006
67210008
67210009
67210057
67210019
67220048
67210006
67210008
67210009
67210057
67210019
67220048
67210006
67210008
67210009
67210057
67210019
407-2 Louver Rod
407-3 Louver Stopper
408
679
743
Louver Link
Cover(Power)
Remote Control Unit Holder
767-1 Bottom Cover-A
767-2 Bottom Cover-B
67220046
67220047
67210013
67210012
67210002
67220046
67220047
67210013
67210012
67210002
67220046
67220047
67210013
67210012
67210002
67220046
67220047
67210013
67210012
67210002
67220046
67220047
67210013
67210012
67210002
778
777
815
Hook(Grille)-R
Hook(Grille)-L
Terminal-6P
875
Filter PCB Assy
67210029
67220084
67220085
67210010
67210029
67220084
67220085
67210010
67210029
67220084
67220085
67210010
67210029
67220084
67220085
67210010
67210029
67220084
67220085
67210010
876-1 Step Motor-H
876-2 Step Motor-V
963
Fan Guard
2003.06.18
- 35 -
MR18C3E
MR18Y3E
MR24C3E
MR24Y3E
P A R T S L I S T
OUTDOOR UNITS EQUIPPED WITH RECIPROCATING COMPRESSOR
When you order parts, please make a photocopy of this page
and fill the number of the parts in the "Order" Column.
Part No.
MR24C3E
Ord.
Q'ty
Ref.
Description
No.
MR18C3E
67220075
MR18Y3E
67220075
MR24Y3E
67220075
67210052
67210033
67220080
67220028
67220032
67220038
67220039
67220042
67220064
-----
67220075
67210052
67210033
67220080
67220028
67220032
67220038
67220039
67220042
67220064
67220052
-----
2
4
Fan Cover
Emblem-Rear ”FRIEDRICH”
67210052
67210033
67220080
67220028
67220032
67220038
67220039
67220042
67210052
67210033
67220080
67220028
67220032
67220038
67220039
67220042
67220064
-----
6
7
Cabinet-C, Painted
Panel (Top), Painted Metal
Cabinet-B, Painted
Base Assy. Painted
3-Way Valve Assy.
2-Way Valve Assy.
Dryer
9
12
13
14
15
16
19
Condenser Assy.
Capillary Tube
67220064
67220052
-----
19-3
19-2
26
Capillary Tube-C
Capillary Tube-B
Compressor Blanket
Capacitor(Fan Motor)
Running Capacitor
Propeller Fan Assy.
Outdoor Fan Motor Assy.
Compressor Assy.
Power Relay
-----
67220057
67220055
67220034
67206200
67200082
67210034
67220077
67220063
67210044
67220086
67220083
67220090
67220060
67210055
67220041
67220088
67220025
-----
67220056
67220034
67206200
67220037
67210034
67220077
67220063
67210044
67220087
67220083
67220090
67220061
67210055
67220041
67220088
67220025
-----
67220034
67206200
67220037
67210034
67220077
67220063
67210044
-----
67220034
67206200
67220082
67210034
67220077
67220063
67210044
-----
34
37
39
41
46
218-3
272
343
344
519
646
Strainer
Solenoid Coil
-----
-----
4-Way Valve
-----
-----
Check Valve Assy.
Compressor Blanket (Top)
-----
-----
67210055
67210055
67220041
67220088
67220025
717
815
824
Center Plate
Terminal-8P
Fuse
67220041
67220088
67220025
2003.08.27
- 36 -
MR18C3E-A
MR18Y3E-A
MR24C3E-A
MR24Y3E-A
P A R T S L I S T
OUTDOOR UNITS EQUIPPED WITH ROTARY COMPRESSOR
When you order parts, please make a photocopy of this page
and fill the number of the parts in the "Order" Column.
Part No.
Ord.
Q'ty
Ref.
No.
Description
MR18C3E-A
67220075
67210052
67220029
67220033
67220080
67220028
67210151
67220138
67220139
67200449
MR18Y3E-A
67220075
67210052
67220029
67220033
67220080
67220028
67210151
67220138
67220139
67200449
67220184
67220054
67220056
-----
MR24C3E-A
67220075
67210052
67220029
67220033
67220080
67220028
67210151
67220138
67220139
67200449
67220185
67220052
-----
MR24Y3E-A
67220075
67210052
67220029
67220033
67220080
67220028
67210151
67220138
67220139
67200449
67220191
67220057
67220055
67220053
67210155
67220186
67220082
67210034
67220077
67210154
67210347
67220086
67220083
67220091
67220060
67210055
67220041
67220088
67220025
67210120
67210116
67210115
67220188
67210156
2
4
Fan Cover
Emblem-Rear ”FRIEDRICH”
5
6
Cabinet-A Painted
Cabinet-C, Painted
Electrical Access Panel, Painted
Cabinet-B, Painted
Base Assy. Painted
3-Way Valve Assy.
2-Way Valve Assy.
Dryer
7
9
12
13
14
15
16
19
Condenser Assy.
Capillary Tube-A
Capillary Tube-B
Capillary Tube-C
Compressor Blanket
Capacitor(Fan Motor)
Running Capacitor
Propeller Fan Assy.
Outdoor Fan Motor Assy.
Compressor Assy.
Power Relay
67220183
67220052
-----
19-2
19-3
26
67210155
67220186
67220037
67210034
67220077
67210113
67210347
-----
67210155
67220186
67220037
67210034
67220077
67210113
67210347
67220150
67220083
67220090
67220061
67210055
67220041
67220088
67220025
67210120
67210116
67210115
67220188
67210156
67210155
67220186
67220082
67210034
67220077
67210154
67210347
-----
34
37
39
41
46
218-3
272
343
344
519
646
Strainer
Solenoid Coil
-----
-----
4-Way Valve
-----
-----
Check Valve Assy.
Compressor Blanket - Top
-----
-----
67210055
67210055
67220041
67220088
67220025
67210120
67210116
67210115
67220188
67210156
717
815
824
81
Center Plate
Terminal-8P
67220041
67220088
67220025
67210120
67210116
67210115
67220188
67210156
Fuse
Strap
109
412
N/S
N/S
Terminal Cover
Terminal Cover Gasket
Crankcase Heater
Crankcase Heater Relay
2003.06.19
- 37 -
P A R T S L I S T
MR30C3E
Reference No.
Description
Part No.
2
Fan Cover
67210040
-------
4
Emblem-Rear ”FRIEDRICH”
Cabinet-C, Painted
Panel (Top), Painted Metal
Cabinet-B, Painted
Base Assy. Painted
3-Way Valve Assy.
2-Way Valve Assy.
Dryer
6
67210039
-------
7
9
67210038
67210036
------
12
13
14
------
15
67210033
67210035
67230047
------
16
Condenser Assy.
Capillary Tube
19
519
519
26
Restrictor Valve (Cap Tub)
Restrictor Valve (Cap Tub)
Compressor Cover
Blower Cover
------
------
30
67210040
67230046
67230047
67210034
67210053
67210050
67210044
------
34
Capacitor(Fan Motor)
Running Capacitor
Propeller Fan Assy.
Fan Motor Assy.-OUT
Compressor Assy.
Power Relay
37
39
41
46
218-3
272
343
344
519
549
646
717
734
803
805
809
810
815
824
Q1
T1
Strainer
Solenoid Coil
------
4-Way Valve
------
Check Valve Assy.
Thermostat – Outdoor
Compressor Cover-B
Center Plate
------
67210054
------
------
Cabinet Tip Plate
Cabinet D Painted
Blower Cover Corner
Ball Valve A
67210042
67210048
67210041
67210003
67210004
67210032
Ball Valve B
Terminal-8P
Fuse
Xstr 2SC4236
67220089
67210028
67220050
67210023
Transformer ETS28A118AH
Buzzer
BZ1
13m 3 (6,&
Relay JQ1-12V
SSR-1
F101
Relay G3M-202P-US
Fuse MT3 3A-250V
67210024
67210000
2003.06.19
- 38 -
FRIEDRICH AIR CONDITIONING CO.
Post Office Box 1540
San Antonio, Texas 78295-1540 (210) 357-4400
(210) 357-4480 Fax
FRAC0306G2327-9/05
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