FILE No.

Service Manual Pharmaceutical refrigerator

MPR-214F

SM9910024
Effective models

This service manual is effective following models.

Model name Model code Voltage Frequency

MPR-214F 823 281 51 115V 60Hz
823 281 53 220V 60Hz
823 281 54 220/230/240V 50Hz
823 281 56 110V 60Hz
823 281 57 220/230/240V 50Hz
 Contents

Page
Features ................................................................................................................................ 1
Specifications ........................................................................................................................ 2
Performance specification ................................................................................................. 3∼5
Dimensions............................................................................................................................ 6
Refrigeration circuit specification........................................................................................... 7
Refrigeration circuit principle diagram ................................................................................... 8
Refrigeration circuit welding points........................................................................................ 9
Components on PCB........................................................................................................... 10
Connection on PCB............................................................................................................. 11
Parts layout ................................................................................................................... 12∼13
Specifications of Electrical Parts ......................................................................................... 14
Specifications of sensor ...................................................................................................... 15
Wiring diagram .................................................................................................................... 16
Circuit diagram .................................................................................................................... 17
Control specification ...................................................................................................... 18∼24
Test data ....................................................................................................................... 25∼30
Instruction manual ......................................................................................................... 31∼65
 Features
1. Effectively used in a small installation space.
z The apparatus is equipped with both pharmaceutical refrigerator stores in +5°C and
medical freezer stores in -20°C.

2. Environmental friendly
z HFC refrigerant (R134a) is adopted.
z PCM structure adopted in outer box provides organic solvent usage lesser.

3. Easy operation
z The new microcomputer system is adopted to operate the display and the keypad easily.
z High / low temperature alarm (SV of refrigerator: varied in ±2°C ~±14°C SV of freezer:
varied in ±5°C ~±15°C)
z Remote alarm terminal
z SV can be stored in non-volatile memory.
z Self-diagnosis system is installed. (Temperature sensors malfunctions are displayed)

4. Medical stores safety

z The door open-and-shut operation is detected by Data Collect System *.
Note*) Data Collect System is optionally provided.

5. Validation
z “Zero Adjustment” can be done on the control panel.

6. Expandability
z Data Collect System is optionally provided.

1
 Specifications

Structure
MPR-214F specifications
Item
Refrigerator Freezer
External dimensions W540 mm x D557 mm x H1794 mm
Internal dimensions W455 mm x D466 mm x H917 mm W420 mm x D342 mm x H267 mm
Effective capacity 176 L 39 L
Exterior Zinc-galvanized steel sheet
Baked polyester resin coating (PCM)
Interior Stainless steel Colored aluminum
Thermal insulation Rigid polyurethane foam
Outer doors Zinc-galvanized steel sheet, Baked acrylic resin coating
1 / double-glazed windows with
1
heat-ray reflection film
Shelving 3 / hard steel wire with PE coating 1 / hard steel wire with PE coating
Max. load: 20kg / shelf Max. Load: 10kg / shelf
Lock 1 / cylinder key
Casters 4
Leveling legs 2

2
Dimensions

6
 Refrigeration circuit welding points

FB-2
EO
EI F evaporator
HO
FB-1
EA AO AI
HI FB-4
R evaporator EB
FEO

FB-3

FEI

F skin condenser

R condenser

B2
B1 DI DO
CI R dehyderator
DD

FDC

JO

JI
Evaporating pipe FDB
SC
FI
FCB
FDA
FCA Frame pipe
FCC FDD
CB SB FDI
CA SA FSA
DA
DB FSB FDO
CC F compressor
R compressor
F dehyderator

9
Components on PCB

10
 Parts layout

Display circuit board

Remote alarm terminal

Place to be interface board
MTR-480 mounted. 3P terminal
(Option)

Fuse

Power cord

Dehyderator

R compressor F compressor

12
 CN2 Interface board
CN4 F, R power relay
CN1 Switching power supply

CN12
Room lamp

CN3
Remote alarm

CN5
Display circuit board

CN7 Sensors, Door switch

CN6 Display circuit board

CN10 Door switch

13
 Specifications of Electrical Parts
AC110V, 60Hz AC115V, 60Hz AC220V, 50Hz AC220V, 60Hz AC230V, 50Hz AC240V, 50Hz
F. compressor Type C-Q60L1R C-Q60L2R C-Q60L5R C-Q60L6R C-Q60L5R C-Q60L5R
Code 803-5-6351 803-5-6352 803-5-6355 803-5-6356 803-5-6355 803-5-6355
Rated voltage (50/60Hz) AC110V, 60Hz AC115V, 60Hz AC220/240V, 50Hz AC220V, 60Hz AC220/240V, 50Hz AC220/240V, 50Hz
Winding resistance C-S (Aux) 7.47Ω 7.93Ω 28.69Ω 27.23Ω 28.69Ω 28.69Ω
C-R (Main) 5.42Ω 6.73Ω 29. 11Ω 21.01Ω 29.11Ω 29.11Ω
R. compressor Type C-Q60L1R C-Q60L2R C-Q60L5R C-Q60L6R C-Q60L5R C-Q60L5R
Code 803-5-6351 803-5-6352 803-5-6355 803-5-6356 803-5-6355 803-5-6355
Rated voltage (50/60Hz) AC110V, 60Hz AC115V, 60Hz AC220/240V, 50Hz AC220V, 60Hz AC220/240V, 50Hz AC220/240V, 50Hz
Winding resistance C-S (Aux) 7.47Ω 7.93Ω 28.69Ω 27.23Ω 28.69Ω 28.69Ω
C-R (Main) 5.42Ω 6.73Ω 29.11Ω 21.01Ω 29.11Ω 29.11Ω
F. power relay Type T33BL T33BL T3XAL T2XAL T3XAL T3XAL
Rating 3.3Ω 3.3Ω 33Ω 22Ω 33Ω 33Ω
R. power relay Type T33BL T33BL T3XAL T2XAL T3XAL T3XAL
Rating 3.3Ω 3.3Ω 33Ω 22Ω 33Ω 33Ω
Overload relay (F) Type 4TM314PHBYY-52 4TM265RHBYY-52 4TM181NFBYY-52 4TM189THBYY-52 4TM181NFBYY-52 4TM181NFBYY-52
Action to the temp. (No
current)
OFF 130±5Ω 130±5°C 120±5°C 140±5°C 120±5°C 120±5°C
ON 69±9Ω 69±9°C 61±9°C 69±9°C 61±9°C 61±9°C
Non-action to the temp. (80Ω)
Non-action 2.05A 2.05A 1.15A 1.50A 1.15A 1.15A
Action 1.55A 1.55A 0.80A 1.10A 0.80A 0.80A
Overload relay (R) Type 4TM314PHBYY-52 4TM265RHBYY-52 4TM181NFBYY-52 4TM189THBYY-52 4TM181NFBYY-52 4TM181NFBYY-52
Action to the temp. (No
current)
OFF 130±5Ω 130±5°C 120±5°C 140±5°C 120±5°C 120±5°C
ON 69±9Ω 69±9°C 61±9°C 69±9°C 61±9°C 61±9°C
Non-action to the temp. (80Ω)
Non-action 2.05A 2.05A 1.15A 1.50A 1.15A 1.15A
Action 1.55A 1.55A 0.80A 1.10A 0.80A 0.80A
Cooling fan motor Type FL2-011K1M FL2-011K1M FL2-011K5M FL2-011K5M FL2-011K5M FL2-011K5M
Rating AC110V AC115V AC230V AC230V AC230V AC230V
Defrost heater Rating 46.3W, AC115V 46.3W, AC115V 46.3W, AC230V 46.3W, AC230V 46.3W, AC230V 46.3W, AC230V
Resistance (AT25Ω) 285.6Ω (AT:25Ω) 285.6Ω (AT:25°C) 1142.5Ω(AT:25°C) 1142.5Ω (AT:25°C) 1142.5Ω (AT:25°C) 1142.5Ω (AT:25°C)
PTC (F) Type G4W-11123T-U G4W-11123T-U G4W-11123T-U G4W-11123T-U G4W-11123T-U G4W-11123T-U
Contact capacity 15A, AC250V 15A, AC250V 15A, AC250V 15A, AC250V 15A, AC250V 15A, AC250V
Coil DC12V DC12V DC12V DC12V DC12V DC12V
PTC (R) Type G4F-1123T G4F-1123T G4F-1123T G4F-1123T G4F-1123T G4F-1123T
Contact capacity 20A, AC250V 20A, AC250V 20A, AC250V 20A, AC250V 20A, AC250V 20A, AC250V
Coil DC12V DC12V DC12V DC12V DC12V DC12V
Room lamp Type DKT22125-10 DKT22125-10 DKT22250-15 DKT22250-15 DKT22250-15 DKT22250-15
Rating 10W, AC125V 10W, AC125V 5W, AC250V 5W, AC250V 5W, AC250V 5W, AC250V
F. thermal sensor Type 502AT 502AT-1 502AT 502AT 502AT 502AT
Rating 5KΩ (AT:25°C) 5KΩ (AT:25°C) 5KΩ (AT:25°C) 5KΩ (AT:25°C) 5KΩ (AT:25°C) 5KΩ (AT:25°C)
R. thermal sensor Type 502AT-1 502AT-1 502AT-1 502AT-1 502AT-1 502AT-1
Rating 5KΩ (AT:25°C) 5KΩ (AT:25°C) 5KΩ (AT:25°C) 5KΩ (AT:25°C) 5KΩ (AT:25°C) 5KΩ (AT:25°C)
R. defrost sensor Type 502AT-1 502AT-1 502AT-1 502AT-1 502AT-1 502AT-1
Rating 5KΩ(AT:25°C) 5KΩ (AT:25°C) 5KΩ (AT:25°C) 5KΩ (AT:25°C) 5KΩ (AT:25°C) 5KΩ (AT:25°C)
Low temp. alarm Type ATB-S382 ATB-S382 ATB-S382 ATB-S382 ATB-S382 ATB-S382
thermo. ON 10.1°C 10.1°C 10.1°C 10.1°C 10.1°C 10.1°C
OFF 2.8°C 2.8°C 2.8°C 2.8°C 2.8°C 2.8°C
Bimetal thermo Type TH-2 TH-2 TH-2 TH-2 TH-2 TH-2
ON 18°C 18°C 18°C 18°C 18°C 18°C
OFF 28°C 28°C 28°C 28°C 28°C 28°C
Door switch Type S994 S994 S994 S994 S994 S994
Rating 1A, AC250V 1A, AC250V 1A, AC250V 1A, AC250V 1A, AC250V 1A, AC250V

14
 Specifications of sensor

The following shows temperature and resistance characteristics on each thermistor sensor
(type 502AT).

Temperature Resistance Temperature Resistance Temperature Resistance

(°C) (kΩ) (°C) (kΩ) (°C) (kΩ)
-50 154.50 -7 17.92 12 8.17
-45 116.50 -6 17.16 13 7.85
-40 88.85 -5 16.43 14 7.55
-35 68.15 -4 15.74 15 7.27
-30 52.84 -3 15.08 16 6.99
-25 41.19 -2 14.45 17 6.73
-20 32.43 -1 13.86 18 6.48
-19 30.92 0 13.29 19 6.24
-18 29.50 1 12.74 20 6.01
-17 28.14 2 12.22 25 5.00
-16 26.87 3 11.72 30 4.18
-15 25.65 4 11.25 35 3.51
-14 24.51 5 10.80 40 2.96
-13 23.42 6 10.37 45 2.51
-12 22.39 7 9.96 50 2.14
-11 21.41 8 9.57 55 1.83
-10 20.48 9 9.20 60 1.57
-9 19.58 10 8.84
-8 18.73 11 8.49

15
Wiring diagram

16
Circuit diagram

17
 Test data

1. MPR-214F
MReach temperature
NPull-down characteristics (internal temperature)
OPull-down characteristics (pressure)
PPull-down characteristics (consumption)
QPull-up characteristics (internal temperature)
RTemperature distribution characteristics(reference data)


25
♦MPR-214F Reach temperature(reference data)
AT 30 °C AT 35 °C
50Hz 60H 50Hz 60Hz
Compressor case lower [°C] 65.2 66.8 70.4 71.9
Discharge pipe [°C] 76.2 77.3 82.7 84.1
Dehyderator entrance pipe [°C] 34.4 34.4 39.8 39.9
Refrigerator

Evaporator entrance [°C] -21.2 -23.2 -18.4 -20.4

Evaporator center [°C] -21.0 -22.9 -18.4 -20.2
Evaporator exit [°C] -20.5 -22.4 -17.4 -18.8
Header exit [°C] -16.5 -18.8 -13.6 -15.8
Suction pipe [°C] 30.7 30.2 35.0 34.7
Internal 1/2H air [°C] -10.8 -12.5 -7.5 -9.0
Compressor case lower [°C] 62.6 63.2 67.5 67.7
Discharge pipe [°C] 59.7 59.9 65.5 65.2
Freezer

Dehyderator entrance pipe [°C] 32.5 32.5 37.5 37.8

Evaporator entrance [°C] -37.1 -38.4 -34.4 -36.4
Evaporator exit [°C] -37.6 -39.0 -35.2 -36.9
Suction pipe [°C] 29.5 29.5 33.8 33.9
Internal 1/2H air [°C] -32.4 -33.7 -29.9 -31.4

26
 MPR-214F Pull-down characteristics (pressure)
R Pd F Pd R Ps F Ps
2
AT35 °C, 50Hz, No load

1.6

1.2
[MPa]

0.8

0.4

0
0 60 120 180 240 300 360 420 480
[min]

MPR-214F Pull-down characteristics (pressure)

R Pd F Pd R Ps F Ps
2
AT35 °C, 60Hz, No load

1.6

1.2
[MPa]

0.8

0.4

0
0 60 120 180 240 300 360 420 480
[min]

28