GD Midea Refrigeration Equipment MSG-18HRN2 Operating manual

GD Midea Refrigeration Equipment Co.,Ltd
SPLIT TYPE, HEAT PUMP AIR CONDITIONERS
Technical & service manual 2005
Glory Eco Series (50Hz) R407C Wall Mounted
[Models]
MSG-07CRN2
MSG-07HRN2
MSG-09CRN2
MSG-09HRN2
MSG-12CRN2
MSG-12HRN2
MSG-18CRN2
MSG-18HRN2
MSG-21CRN2
MSG-21HRN2

1
Contents
1. Features 2
2. Specification 3
3. Dimensions 6
4. Refrigeration cycle diagram 10
5. Operation limits 11
6. Wiring diagram 12
7. Troubleshooting 18
8. Electronic function 19

2
1.Features
1.1Compact design
1.2High efficiency and quiet operation

3
2.Specification
Glory Eco
Model MSG-07HRN2 MSG-07CRN2 MSG-09HRN2 MSG-09CRN2
Power supply Ph-V-Hz 220-240V~,50Hz 220-240V~,50Hz 220-240V~,50Hz 220-240V~,50Hz
Capacity Btu/h 7000 7000 9000 9000
Input W 800 800 1050 1050
Rated current A 3.5 3.5 4.6 4.6
Cooling
EER Btu/w.h 8.8 8.8 8.6 8.6
Capacity Btu/h 8500 10000
Input W 880 1050
Rated current A 4 4.6
Heating
COP w/w 2.9 2.93
Moisture Removal L/h 0.6 0.6 0.8 0.8
Max. input consumption W 1000 1000 1330 1330
Max.current A 4.4 4.4 6 6
Starting current A 21 21 19.8 19.8
Model PG135X1C-4DZ2 PG135X1C-4DZ2 PG180X1C-4DZ3 PG180X1C-4DZ3
Type Rotary Rotary Rotary Rotary
Brand TOSHIBA TOSHIBA TOSHIBA TOSHIBA
Capacity Btu/h 8086/8172 8086/8172 10800 10800
Input W 765/785 765/785 1015 1015
Rated current(RLA) A 3.52/3.34 3.52/3.34 4.5 4.5
Locked rotor Amp(LRA) A 21 21 19.8 19.8
Thermal protector UP3SE0591-T71 UP3SE0591-T71 UP3SE0591-T61 UP3SE0591-T61
Capacitor uF 25 25 30 30
Compressor
Refrigerant oil ml 400 400 400 400
Model RPG13H RPG13H RPG13H RPG13H
Input W 36.5 37.5 38.5 39.5
Capacitor uF 1.2 1.2 1.2 1.2
Indoor fan motor
Speed(hi/mi/lo) r/min 1020/960/900 1020/960/900 1100/1020/950 1100/1020/950
Indoor air flow (Hi/Mi/Lo) m3/h 430/400/370 430/400/370 470/440/410 470/440/410
Indoor noise level (Hi/Mi/Lo) dB(A) 35/32/30 35/32/30 36/32/30 36/32/30
Dimension (W*H*D) mm 750×250×188 750×250×188 750×250×188 750×250×188
Packing (W*H*D) mm 830×336×280 830×336×280 830×336×280 830×336×280
Indoor unit
Net/Gross weight Kg 8.5/10.5 8.5/10.5 8.5/10.5 8.5/10.5
Model YDK24-6T YDK24-6T YDK24-6T YDK24-6T
Input W 70 70 70 70
Capacitor uF 3 3 3 3
Outdoor fan
motor
Speed r/min 850 850 850 850
Outdoor air flow m3/h 1600 1600 1900 1600
Outdoor noise level dB(A) 49 49 49 49
Dimension(W*H*D) mm 700X535X235 700X535X235 700X535X235 700X535X235
Packing (W*H*D) mm 815X580X325 815X580X325 815X580X325 815X580X325
Outdoor unit
Net/Gross weight Kg 30/33 29/32 29/32 30/33
Refrigerant type R407C g 740 650 840 770
Design pressure MPa 2.8 2.8 2.8 2.8
Liquid side/ Gas side mm(inch Ф6.35/Ф9.53 Ф6.35/Ф9.53 Ф6.35/Ф9.53 Ф6.35/Ф9.53
Max. refrigerant pipe length m 10 10 10 10
Refrigerant
piping
Max. difference in level m 5 5 5 5
Operationtemp ℃17 30 17 30 17 30 17 30
Ambienttemp ℃-7-45 18-45 -7-45 18-45
Application area m2 10-14 10-14 14-21 14-21
★1 The noise date is base on anechoic chamber, during actual operation, these values are normally somewhat different as a result of ambient condition.

4
Model MSG-12CRN2 MSG-12HRN2
Power supply Ph-V-Hz 1, 220-240V~, 50Hz 1, 220-240V~, 50Hz
Capacity Btu/h 12000 12000
Input W 1320 1320
Rated current A 5.8 5.8
Cooling
EER Btu/w.h 9.1 9.1
Capacity Btu/h 14000
Input W 1360
Rated current A 6
Heating
COP w/w 3.02
MoistureRemoval L/h 1.2 1.2
Max. input consumption W 1800 1800
Max.current A 7.8 7.8
Startingcurrent A 30 30
Model 4KS225EBA 4KS225EBA
Type Rotary Rotary
Brand MATSUSHITA-WABAO MATSUSHITA-WABAO
Capacity Btu/h 13000 13000
Input W 1260 1260
Rated current(RLA) A 5.7 5.7
Locked rotor Amp(LRA) A 30 30
Thermal protector
Capacitor uF 35 35
Compressor
Refrigerant oil ml 480 480
Model RPG20D RPG20D
Input W 49.2 49.2
Capacitor uF 1.5 1.5
Indoor fan motor
Speed(hi/mi/lo) r/min 1180/1000/900 1180/1000/900
Indoor air flow (Hi/Mi/Lo) m3/h 620/550/520 620/550/520
Indoor noise level (Hi/Mi/Lo) dB(A) 37/34/31 37/34/31
Dimension (W*H*D) mm 815X280X195 815X280X195
Packing (W*H*D) mm 915X360X275 915X360X275
Indoor unit
Net/Gross weight Kg 10.5/13.5 10.5/13.5
Model YDK25-6C YDK25-6C
Input W 85 85
Capacitor uF 2.5 2.5
Outdoor fan motor
Speed r/min 900 900
Outdoor air flow m3/h 1900 1900
Outdoor noise level dB(A) 54 54
Dimension(W*H*D) mm 780X540X250 780X540X250
Packing (W*H*D) mm 910X575X335 910X575X335
Outdoor unit
Net/Gross weight Kg 34/38 37/41
Refrigerant type R407C g 830 1150
Designpressure MPa 2.8 2.8
Liquid side/ Gas side mm(inch) Ф6.35/Ф12.7 Ф6.35/Ф12.7
Max. refrigerant pipe length m 10 10
Refrigerant piping
Max. difference in level m 5 5
Plug type 16A 16A
Thermostat type Electronic control Electronic control
Operationtemp ℃17-30 17-30
Ambienttemp ℃18-45 —7-45
Application area m2 18-26 18-26
★1 The noise date is base on anechoic chamber, during actual operation, these values are normally somewhat different as a result of ambient condition.

5
Model MSG-18HRN2 MSG-18CRN2 MSG-21HRN2 MSG-21CRN2
Power supply Ph-V-Hz 220-240V~,50Hz 220-240V~,50Hz 1, 220-240V~, 50Hz 1, 220-240V~,
Capacity Btu/h 18000 18000 21000 21000
Input W 1980 1980 2350 2350
Rated current A 9.5 9.5 10.7 10.7
Cooling
EER Btu/w.h 9.1 9.1 8.9 8.9
Capacity Btu/h 20500 23500
Input W 1890 2450
Rated current A 8.6 11.2
Heating
COP Btu/w.h 3.2 2.8
Moisture Removal L/h 1.6 1.6 1.9 1.9
Max. input consumption W 2400 2400 2700 2700
Max. current A 13.0 13.0 14.0 14.0
Starting current A 41 41
Model PG295*2CS-4KU1 PG295*2CS-4KU1 PG340X3CS-4KU2 PG340X3CS-4KU2
Type Rotary Rotary Rotary Rotary
Brand GD Toshiba GD Toshiba TOSHIBA TOSHIBA
Capacity Btu/h 18083 18083 20800 20800
Input W 1760 1760 1970 1970
Rated current(RLA) A 8.5 8.5 9.2 9.2
Thermal protector Internal Internal UP3SE0391-T09 UP3SE0391-T09
Capacitor uF 35UF/370V 35UF/370V 50 50
Compressor
Refrigerant oil ml 750 750 850 850
Model RPG25 RPG25 RPG25 RPG25
Input W 53 53 53 53
Capacitor uF 1.5 1.5 1.5 1.5
Indoor fan motor
Speed(hi/mi/lo) r/min 1260/1100/1000 1260/1100/1000 1260/1100/1000 1260/1100/1000
Indoor air flow (Hi/Mi/Lo) m3/h 800/770/740 800/770/740 800/770/740 800/770/740
Indoor noise level (Hi/Mi/Lo) dB(A) 41/37/35 41/37/35 41/37/35 41/37/35
Dimension (W*H*D) mm 906X286X235 906X286X235 906X286X235 906X286X235
Packing (W*H*D) mm 1020X380X328 1020X380X328 1020X380X328 1020X380X328
Indoor unit
Net/Gross weight Kg 13.5/16.5 13.5/16.5 13.5/16.5 13.5/16.5
Model YDK36-6 YDK36-6 YDK53-6KB YDK53-6KB
Input W 96 96 150 150
Capacitor uF 2.5μF/450V 2.5μF/450V 3.0µF/450V 3.0µF/450V
Outdoor fan motor
Speed r/min 900 900 840 840
Outdoor air flow m3/h 1900 1900 2300 2300
Outdoor noise level dB(A) 53 53 53 53
Dimension(W*H*D) mm 760×590×285 760×590×285 845X695X335 845X695X335
Packing (W*H*D) mm 890×655×360 890×655×360 970X770X395 970X770X395
Outdoor unit
Net/Gross weight Kg 41.5/45.5 41.5/45.5 52/57 55/60
Refrigerant type R407c g 1380 1380 2100 2200
Design pressure MPa 2.8 2.8 2.8 2.8
Liquid side/ Gas side mm(inch) Ф6.35/Ф12.7 Ф6.35/Ф12.7 Ф6.35/Ф12.7 Ф6.35/Ф12.7
Max. refrigerant pipe length m 15 15 20 20
Refrigerant piping
Max. difference in level m 8 8 10 10
Operationtemp ℃ 17 30 17 30 17 30 17 30
Ambienttemp ℃ -7-45 18-45 -7-45 18-45
Application area m2 30-40 30-40 34-49 34-49
★1 The noise date is base on anechoic chamber, during actual operation, these values are normally somewhat different as a result of ambient condition.

6
3.Dimensions
3.1 Indoor unit
MSG-07CRN2, MSG-07HRN2, MSG-09CRN2, MSG-09HRN2
3.2 Indoor unit
MSG-12CRN2, MSG-12HRN2
280

7
3.3 Indoor unit
MSG-18CRN2, MSG-18HRN2, MSG-21CRN2, MSG-21HRN2
3.4 Outdoor unit
MSG-07CRN2, MSG-07HRN2, MSG-09CRN2, MSG-09HRN2

8
3.5 Outdoor unit
MSG-12CRN2, MSG-12HRN2
3.6 Outdoor unit
MSG-18CRN2, MSG-18HRN2
530
315
290
750
110
62
590
285

9
3.7 Outdoor unit
MSG-21CRN2, MSG-21HRN2
12.5

10
4.Refrigeration cycle diagram
4.1 Cooling/heating
Indoor unit outdoor unit
Valve
Sensor of room temp
. 4wayvalve
Heat exchanger Heat exchanger
Sensor of heat exchanger temp
.
Compressor
Valve Capillary
4.2 Cooling only
Indoor unit outdoor unit
Valve
Sensor of room temp
.
Heat exchanger Heat exchanger
Sensor of heat exchanger temp
.
Compressor
Valve Capillary

11
5.Operation limits
5.1Cooling operation
Outdoor unit air temp.℃DB
45
40
35
30
25
20
10 15 20 25 30 35 40
Indoor air temp. ℃DB
Note : The chart is the result from the continuous operation under constant air temperature
conditions. However, excludes the initial pull-down stage.
5.2Heating operation
Indoor air temp. ℃DB
30
25
20
15
10
5
-5 5 15 25
Outdoor unit air temp.℃DB
Note : The chart is the result from the continuous operation under constant air
temperature conditions. However, excludes the initial pull-down stage.
DRY COOLING

12
6.Wiring diagram
6.1 Cooling only
6.1.1 MSG-07CRN2,MSG-09CRN2
POWER SUPPLY
1 2 ( N )
COMPRESSOR
CAPACITOR
R E D
O U T D O O R U N I T
O V E R L O A D
R E L A Y
Y＆G
C O M P R E S S O R
S
C
B L U E
R
B L A C K
R E D
B L A C K
INDOOR UNIT
FAN
CAPACITOR
R E D
Y＆G
F A N
M O T O R
Y＆G B
L U E
B L A C K
R E D

13
6.1.2 MSG-12CRN2
1 2 ( N )
COMPRESSOR
CAPACITOR
R E D
O U T D O O R U N I T
O V E R L O A D
R E L A Y
Y＆G
C O M P R E S S O R
S
C
B L U E
R
B L A C K
R E D
B L A C K
INDOOR UNIT
FAN
CAPACITOR
R E D
Y＆G
F A N
M O T O R
Y＆G B
L U E
B L A C K
R E D

14
6.1.3 MSG-18CRN2 ,MSG-21CRN2
CN5
LOUVER MOTOR
CN8
AMBIENT SENSOR
SENSOR
CN10
CN7
HEAT EXCHANGER
LOUVER MOTOR
CN6
INDOOR MOTOR
BLACK
WHITE
TRANSFORMER
DISPLAY BOARD
SWITCH BOARD
CN12
CN9
COMPRESSOR RELAY
CURRENT DETECTOR
WHITE
CN1
CN4
BROWN
BLUE
CN14
CN2
1 2 ( N )
COMPRESSOR
CAPACITOR
R E D
O U T D O O R U N I T
O V E R L O A D
R E L A Y
Y＆G
C O M P R E S S O R
S
C
B L U E
R
B L A C K
R E D
B L A C K
INDOOR UNIT
FAN
CAPACITOR
R E D
Y＆G
F A N
M O T O R
Y＆G B
L U E
B L A C K
R E D

15
6.2 Heating/cooling
6.2.1 MSG-07HRN2, MSG-09HRN2

16
6.2.2 MSG-12HRN2

17
6.2.3 MSG-18HRN2, MSG-21HRN2
YELLOW
CN5
LOUVER MOTOR
CN8
AMBIENT SENSOR
CN3
SENSOR
CN10
CN7
HEAT EXCHANGER
LOUVER MOTOR
CN6
INDOOR MOTOR
GREEN
BLACK
WHITE
TRANSFORMER
DISPLAY BOARD
SWITCH BOARD
CN12
CN9
COMPRESSOR RELAY
CURRENT DETECTOR
WHITE
CN1
CN4
BROWN
BLUE
CN14
CN2

18
7.Troubleshooting
7.1 For all cooling only model
Failure phenomenon Operation lamp Timer lamp
Indoor fan speed has been out of control for over 1 minute ☆X
Indoor room temp. or evaporator sensor is open circuit or short
circuit ☆On
Over current protection of the compressor occurs 4 times X ☆
EEPROM error On ☆
No over-zero signal ☆☆
rExtinguish
☆ Flash at 5Hz
7.2 For all heat pump model
Failure phenomenon Operation lamp Timer lamp Defrosting lamp
Over current protection of the compressor occurs 4 times ☆X ☆
Indoor fan speed has been out of control for over 1 minute X ☆☆
No over-zero signal ☆☆☆
Temp. sensor on indoor evaporator is open circuit or short circuit X X ☆
Indoor room temp. sensor is open circuit or short circuit X ☆X
EEPROM error On ☆X
rExtinguish
☆ Flash at 5Hz

19
8 Electronic function
8.1 Electric Control working environment
8.1.1 input voltage: 175~253V
8.1.2 Input power frequency:50Hz
8.1.3 Ambient temperature: -7°C~+43°C
8.1.4 Indoor fan normal working amp is less than 1A,
8.1.5 Outdoor fan. Normal working amp is less than 1.5A
8.1.6 Four-way valve normal working amp is less than 1A.
8.1.7 Swing motor: DC12V.
8.1.8 Compressor: single-phase power supply. Its normal working amp is less than 15A
8.2 Proper symbols and their meanings:
TA: Indoor ambient temperature
TE: Indoor evaporator temperature
TS: Setting temperature through the remote controller
I3sec: Self-protection amp of compressor, continue three seconds until turns off the compressor.
I5MIN: Self-protection amp of compressor, continue five minutes until turns off the compressor.
IFAN: Self-protection amp of outdoor fan/indoor fans when they change from higher wind to lower wind.
IRESTORE: Amp self-protection return value
THDEFROST: High wind, defrosting temperature difference
TMDEFROST: Middle wind, defrosting temperature difference
TLDEFROST: Low wind, defrosting temperature difference
TE1: Anti-cold wind, from Fan Off to Breeze temperature
TE2: Anti-cold wind, from Breeze to Setting Fan Speed temperature
TE3: Anti-cold wind, from Setting Fan Speed to Breeze temperature
TE4: Anti-cold wind, from Breeze to Fan Off temperature
TE5: Evaporator low temperature protection entering temperature
TE6: Evaporator low temperature protection restoring temperature
TE7: Evaporator high temperature protection, compressor off temperature
TE8: Evaporator high temperature protection, fan off temperature
TE9: Evaporator high temperature protection, restoring temperature
8.3 Systematic functions
Remote receiving
Testing and forced run
Position set for indoor unit wind vane
LED displaying and alarm
On or off Timer
Protection for the compressor
Current protection
High temperature protection of indoor heat exchanger at heating mode
Auto defrosting and heating recovery at heating mode
Anti cold air at heating mode
Anti frozen at heating mode
8.4 Protection
8.4.1 The compressor functions protection with a delay of three minutes.