How it Works
Friedrich Metal Products
Loading...
MR18Y3H
Service Manual
29 pgs1.31 Mb0

Friedrich Metal Products MR18Y3H Service Manual

Service and Parts Manual
Models
Outdoor Units
MW18Y3HIndoor Units
MR18Y3H MR24Y3H
MW18Y3H
CUSTOMER SATISFACTION and QUALITY ASSURANCE
Friedrich is a conscientious manufacturer, concerned about customer satisfaction, product quality, and controlling warranty costs. As an Authorized Service Provider you play a vital role in these areas. By adhering to the policies and procedures you provide us with vital information on each warranty repair you complete. This information is used to identify product failure trends, initiate corrective action, and improve product quality, thereby further reducing warranty expenses while increasing customer satisfaction levels.
FRIEDRICH AUTHORIZED PARTS DEPOTS
AAA Refrigeration Service
1322 24th Street, Suite B Kenner, Louisiana 70062 504-464-7444 877-813-7444
Alamo Service Company
1450 North Flores Street San Antonio, Texas 78212 210-227-2450 800-328-2450
TECHNICAL SUPPORT
CONTACT INFORMATION
The Gabbert Company
6868 Ardmore Houston, Texas 77054 713-747-4110 800-458-4110
Johnstone Supply of Woodside
27-01 Brooklyn Queens Expway Woodside, New York 11377 718-545-5464 800-431-1143
Reeve Air Conditioning, Inc.
2501 South Park Road Hallandale, Florida 33009 954-962-0252 800-962-3383
FRIEDRICH AIR CONDITIONING CO.
Printed in the U.S.A.
1
INDOOR UNIT H x W x D
H x W x D
12-5/8 x 39-1/4 x 9 inch 320 x 998 x 228 mm
OUTDOOR UNIT 32-3/4 x 35-3/8 x 13 inch 830 x 900 x 330 mm
DIMENSIONS
INDOOR UNIT
Shipping / Net
Shipping / Net
40 lbs / 31 lbs 18 kg / 14 kg
OUTDOOR UNIT
150 lbs / 135 lbs 68 kg / 61 kg
WEIGHT
S P E CI FI C A T I O NS
TYPE
Cool & heat inverter
INDOOR UNIT
OUTDOOR UNIT
MW18Y3H
MR18Y3H
COOLING CAPACITY
HEATING CAPACITY
POWER SOURCE
208 V / 230 V
FREQUENCY
60 Hz
RUNNING CURRENT
MAXIMUM CURRENT
Cooling
Heating
INPUT WATTS
Cooling
Heating
E.E.R.
Cooling
COP Heating
MOISTURE REMOVAL
AIR CIRCULATION HIGH 541 cfm 920 m3/hr
18,000 BTU/h 5.28 kW
21,600 BTU/h 6.30 kW
6.3 A
14.5 A
8.0 A
1.38 kW
1.80 kW
13.0 BTU/kW 3.83 kW/kW
12.0 BTU/kW 3.50 kW/kW
5.9 Pt/h 2.8 L/hr
FAN MOTOR
TYPE
Hermetic type, 6 pole, DC inverter motor, Rotary
DISCRIMINATION
WEIGHT WITH OIL
N-TF30ND1A
REFRIGERANT TYPE
PRECHARGED REFRIGERANT
R410A
4 lb 10 oz 2,100 g
34.2 lb 15.5 kg
POWER SOURCE
230 V
High speed 1,260 r.p.m.
INDOOR UNIT
Middle speed
1,020 r.p.m.
Low speed 900 r.p.m.
Quiet
Cool
Heat
770 r.p.m.
OUTDOOR UNIT
620 r.p.m.
620 r.p.m.
ELECTRICAL DATA
COMPRESSOR AND REFRIGERANT
INDOOR UNIT
OUTDOOR UNIT
Cool 43 dB / Heat 44 dB
Cool 47 dB / Heat 50 dB
MW24Y3H
MR24Y3H
208 V / 230 V
60 Hz
659 cfm 1,120 m3/hr
22,000 BTU/h 6.50 kW
27,600 BTU/h 8.10 kW
7.9 A
15.5 A
10.5 A
1.76 kW
2.38 kW
12.5 BTU/kW 3.69 kW/kW
11.6 BTU/kW 3.40 kW/kW
6.3 Pt/h 3.0 L/hr
230 V
1,480 r.p.m.
1,220 r.p.m.
1,020 r.p.m.
900 r.p.m.
850 r.p.m.
800 r.p.m.
Cool 49 dB / Heat 49 dB
Cool 54 dB / Heat 55 dB
NOISE LEVEL
Pipe length
66 ft 20 m
4 lb 10 oz 2,100 g
FULL CHARGE
164 ft 50 m 7 lb 4 oz 3,300 g
ADDITIONAL CHARGE 0.43 oz/ft 40 g/m
2
D IM E N S IO N S
Unit : inch (mm)
Drain pipe diameter Inside : 5/8 inch (16 mm) Outside : 1-3/32 inch (28 mm)
Liquid pipe diameter : 3/8 inch (9.52 mm) Gas pipe diameter : 5/8 inch (15.88 mm)
INDOOR UNIT
39-1/4" (998) 9" (228)
12-5/8" (320)
3
Unit : inch (mm)
OUTDOOR UNIT
3"(77)
35-1/2" (900)
32-3/4" (830)
17-3/8" (440)
7/8"
(21)
3/8"
(9)
15-3/4" (400)
13" (330)
1-1/4"
(31)
1/2" (12)
7-3/4" (196)
5-3/4" (147)
6-3/4" (170)
3-7/8"
(99)
14-5/8" (370)
25-5/8" (650)
Air Flow
4
R EF R I G ER A NT S YS T E M DI A G R AM
3-Way valve (Small)
3-Way valve (Large)
Strainer
Strainer
Muffler
Pressure switch
4-Way valve
Expansion valve
Heat exchanger
( INDOOR )
Heat exchanger
( OUTDOOR )
Sub-accumulator
Compressor
Refrigerant pipe diameter Liquid : 3/8" (9.52 mm) Gas : 5/8" (15.88 mm)
Cooling flow Heating flow
5
RED
RED
BROWN
BROWN
BLUE
BLUE
BLACK
BLACK
BROWN
BROWN
BLACK
BLACK
WHITE
YELLOW
ORANGE
BLUE
BROWN
RED
BROWN
YELLOW
WHITE
BLACK
RED
RED
GREEN
WHITE
BLACK
WHITE
BLACK
VIOLET
WHITE
BLACK
WHITE
WHITE
WHITE
WHITE
BLACK
BLACK
GRAY
RED
WHITE
BLACK
BROWN
ORANGE
BLACK
RED
YELLOW
BLUE
WHITE WHITE
WHITE WHITE WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
BLACK
BROWN
RED
ORANGE
YELLOW
1
2 3
4 5
6 7 8 9
1
2 3
4 5
6 7 8 9
1
2 3
4 5
6 7 8 9
1
2 3
4 5
6 7 8 9
1
2 3
4 5
1
2 3
4 5
1
2 3
4 5
1
2 3
4 5
1
2 3
4 5
6
1
2 3
4 5
6
1
2 3
4
1
2 3
4
1
2
1
2
1
2
1
2
3
4
5
6
7
121
2
1
2
1
2
1
2
3
456
7
1
2
3
456
1
2
3
456
1
2
1
2
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
1
2
CN90
CN64
CN62
CN65
CN63
CN500
CN700
CN800
CN1
CN110
TM600
TM601
CN100
W29
W28
W21
W9
W20
W19
W3
W18
W17
W2
W1
W4
CN11
L2 L1
N
P
-I N
+I N
W8
W7
W13
W12
CN303
CN301
W306
W307
TM302
TM301
W17
W16
TM102
TM101
TM303
W
TM304
V
TM305
U
S
R
T
CN42 CN40 CN200 CN400
CM
L1L2321
G
G
COMPRESSOR
CHOKE COIL
TERMINAL BOARD
HIGH PRESSURE SWITCH
THERMISTOR ( COMPRESSOR TEMP. )
THERMISTOR ( OUTDOOR TEMP. )
THERMISTOR ( PIPE TEMP. )
THERMISTOR ( DISCHARGE TEMP. )
4-WAY VALVE
EXPANSION VALVE
FAN MOTOR
4WV
PMV
FM
POWER SOURCE
TRANSISTOR
PCB ASSY
( I P M )
A C T P M
CAPACITOR
PCB ASSY
POWER SUPPLY
PCB ASSY
INVERTER PCB ASSY
( MAIN PCB )
7
65432
1
7
65432
1
7
65432
1
5
432
1
321
321
2
1
2
1
2
132
1
5
432
1
5
432
1
65432
1
65432
1
65432
1
65432
1 5 43
2 1
1
23456
1
23456
CN13
CN16CN14
CN10
CN3CN1
CN8
CN6
CN5
CN11
CN2
TM1
TM4 TM2
W5
CN201
BLUE
YELLOW
WHITE
BLACK
RED
BLUE
PINK
YELLOW
ORANGE
RED
BLUE
PINK
YELLOW
ORANGE
RED
BLUE
PINK
YELLOW
ORANGE
RED
GREEN
WHITE
RED
BLACK
BLACK
BLACK
BLACK
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
RED
BLACK
WHITE
RED
FM
TEST
FAN MOTOR
M STEP MOTOR ( DIFFUSER )
M STEP MOTOR ( UP / DOWN )
M STEP MOTOR ( RIGHT / LEFT )
G
1
2 3
TERMINAL BOARD
EX OUT
( OPTION )
EX IN
( OPTION )
THERMISTOR ( PIPE TEMP. )
THERMISTOR ( ROOM TEMP. )
WIRED REMOTE CONTROL
( OPTION )
INDICATOR
PCB ASSY
THERMAL
FUSE 102
CONTROLLER PCB ASSY ( MAIN PCB )
INDOOR UNIT OUTDOOR UNIT
MW18Y3H / MR18Y3H
C I R CU I T D IA G RA M
6
L1L2321
G
G
POWER SOURCE
7
65432
1
7
65432
1
7
65432
1
5
432
1
321
321
2
1
2
1
2
132
1
5
432
1
5
432
1
65432
1
65432
1
65432
1
65432
1 5 43
2 1
1
23456
1
23456
CN13
CN16CN14
CN10
CN3CN1
CN8
CN6
CN5
CN11
CN2
TM1
TM4 TM2
W5
CN201
BLUE
YELLOW
WHITE
BLACK
RED
BLUE
PINK
YELLOW
ORANGE
RED
BLUE
PINK
YELLOW
ORANGE
RED
BLUE
PINK
YELLOW
ORANGE
RED
GREEN
WHITE
RED
BLACK
BLACK
BLACK
BLACK
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
RED
BLACK
WHITE
RED
FM
TEST
FAN MOTOR
M STEP MOTOR ( DIFFUSER )
M STEP MOTOR ( UP / DOWN )
M STEP MOTOR ( RIGHT / LEFT )
G
1
2 3
TERMINAL BOARD
EX OUT
( OPTION )
EX IN
( OPTION )
THERMISTOR ( PIPE TEMP. )
THERMISTOR ( ROOM TEMP. )
( OPTION )
INDICATOR
PCB ASSY
THERMAL
FUSE 102
CONTROLLER PCB ASSY ( MAIN PCB )
INDOOR UNIT
OUTDOOR UNIT
RED
RED
BROWN
BROWN
BLUE
BLUE
BLACK
BLACK
BROWN
BROWN
BLACK
BLACK
WHITE
YELLOW
ORANGE
BLUE
BROWN
RED
BROWN
YELLOW
WHITE
BLACK
RED
RED
GREEN
WHITE
BLACK
WHITE
BLACK
VIOLET
WHITE
BLACK
WHITE
WHITE
WHITE
WHITE
BLACK
BLACK
GRAY
RED
WHITE
BLACK
BROWN
ORANGE
ORANGE
ORANGE
BLACK
RED
YELLOW
BLUE
WHITE WHITE
WHITE WHITE WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
BLACK
BROWN
RED
ORANGE
YELLOW
1
2 3
4 5
6 7 8 9
1
2 3
4 5
6 7 8 9
1
2 3
4 5
6 7 8 9
1
2 3
4 5
6 7 8 9
1
2 3
4 5
1
2 3
4 5
1
2 3
4 5
1
2 3
4 5
1
2 3
4 5
6
1
2 3
4 5
6
1
2 3
4
1
2 3
4
1
2
1
2
1
2
1
2
3
456
7
121
2
1
2
1
2
1
2
3
456
7
1
2
3
456
1
2
3
456
1
2
1
2
1
2
3
1
2
3
1
2
3
1
231
2
3
1
2
3
1
2
3
1
2
3
1
2
1
2
CN90
CN64
CN62
CN65
CN63
CN500
CN700
CN800
CN1
CN110
TM600
TM601
CN100
W29
W28
W25
W26
W21
W9
W20
W19
W3
W18
W17
W2
W1
W4
CN11
L2 L1
N
P
-I N
+I N
W8
W7
W13
W12
CN303
CN301
W306
W307
TM302
TM301
W17
W16
TM102
TM101
TM303
W
TM304
V
TM305
U
S
R
T
CN42 CN40 CN200 CN400
CM
COMPRESSOR
POSISTOR
CHOKE COIL
TERMINAL BOARD
HIGH PRESSURE SWITCH
THERMISTOR ( COMPRESSOR TEMP. )
THERMISTOR ( OUTDOOR TEMP. )
THERMISTOR ( PIPE TEMP. )
THERMISTOR ( DISCHARGE TEMP. )
4-WAY VALVE
EXPANSION VALVE
FAN MOTOR
4WV
PMV
FM
TRANSISTOR
PCB ASSY
( I P M )
A C T P M
CAPACITOR
PCB ASSY
POWER SUPPLY
PCB ASSY
INVERTER PCB ASSY
( MAIN PCB )
MW24Y3H / MR24Y3H
7
CN11-2
WHITE
CN11-1
RED
CN11-3
WHITE
CN11-4
WHITE
CN11-5 WHITE
CN11-6
WHITE
CN11-7
WHITE
CN3-2
WHITE
CN3-1
RED
CN2-2
BLACK
CN2-1 BLACK
CN13-1
CN13-5
CN13-4
CN13-3
CN13-2
BLACK
BLACK
CN10-3
WHITE
CN10-2 YELLOW
CN10-1 BLUE
CN10-4 BLACK
CN10-6 RED
CN8-3
YELLOW
CN8-4
PINK
CN8-5 BLUE
CN8-2 ORANGE
CN8-1
RED
CN5-3
YELLOW
CN5-4
PINK
CN5-5 BLUE
CN5-2
ORANGE
CN5-1
RED
CN2-3
YELLOW
CN2-4
PINK
CN2-5
BLUE
CN2-2 ORANGE
CN2-1
RED
CN6-3
BLACK
CN6-2 WHITE
CN6-1
RED
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
1
2
1
2
1
2
1
2
3
4
5
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
5
4
3
2
1
CN2 SJH20-05WS
CN5 SJH20-06WS
CN8 B06B-PASK
CN10 B06B-XARK
CN13
B5P-SHF-1AA
CN1
2P-SAN
CN3
JC25-02HG
CN11
B07B-PASK
W5
GREEN
CN201 JB20-07HG
TEST
XARR-03VF XAP-03V-1
ROOM THERMISTOR
PIPE THERMISTOR
EX IN
EX OUT
EARTH TERMINAL
LOUVER ( RIGHT / LEFT )
LOUVER ( UP / DOWN )
LOUVER ( DIFFUSER )
FAN MOTOR
WIRED REMOTE CONTROL UNIT
M
M
F. M.
M
EARTH
OUTDOOR UNIT
THERMAL FUSE 102
TM2
22007
RED
TM1
22007
WHITE
TM4
22007
BLACK
TERMINAL BOARD
N
L
SERIAL
1
2
3
INDICATOR PCB ASSEMBLY
K05CY-0902HSE-D0
CONTROLLER PCB ASSEMBLY MW18Y3H : K08CX-0903HSE-C1 MW24Y3H : K08CX-0904HSE-C1
CN14
B3B-XH-AM
CN16
B2B-XH-AM
CONTROL UNIT MW18Y3H : EZ-0090HHSE MW24Y3H : EZ-0090KHSE
I ND O O R P C B C IR C U I T D IA G RA M
8
Loading...
+ 20 hidden pages
Buy Points How it Works FAQ Contact Us Questions and Suggestions Privacy Policy Cookie Policy Terms of Use