Panasonic MDF-DU702VH Manuals

Manuals and User Guides for Panasonic MDF-DU702VH. We have 1 Panasonic MDF-DU702VH manual available for free PDF download: Service Manual

Panasonic MDF-DU702VH Service Manual (79 pages)

Ultra-Low Temperature Freezer

Brand: Panasonic | Category: Freezer | Size: 8.66 MB

Table of Contents
3
Features
4
Structural Specifications
5
D I M E N S I O N S
5
Control Specifications
6
Performance Specifications
7
Dimension
8
Mdf-Du502Vh
8
Mdf-Du702Vh
9
Cooling Unit Parts
10
Refrigeration Circuit
12
Binary Refrigerating Cuircuit
12
C O M P O N E N T S O N P C
13
Connections on PCB
14
C O N N E C T I O N S O N P C
14
Electric Parts
15
Specifications of Sensor
16
Wiring Diagram
17
W I R I N G D I a G R a
17
Circuit Diagram
18
Main
18
C I R C U I T D I a G R a
18
Power
19
Usb
20
Operation
21
O P E R a T I O
21
Runtime,Version up
22
Temperature Calibration Procedure
23
Operation System Configuration
24
Operation Setup Data
27
Temperature Control
28
Restrict of Compressor Starting
28
Condition and Priority of Comp. Operation Mode
28
Control Specification
28
Compressor Normal Mode
29
Speed Control
29
Constant Speed Operation
29
H Side Start Condition （AND)
29
Error Handling
30
Fan Control
30
Table AUTO Mode
30
Capi. Heater Control
31
AIP Heater Control
31
Buzzer Control
31
Alarm Type
32
Alarm Function
33
Alarm Delay
33
Alarm Buzzer Output and Erase
33
Ring Back
33
Model
34
Inverter Signal
36
Parts Layout
37
Front/Control Panel
37
Left Side
37
Opposite Side of Control Panel
37
Lower Right Side/Electric Box
38
Lower Front/Condenser
38
Rear Bottom/Cooling UNIT
38
Repairing Unit / Gas Charge
39
Preparations
39
Low Side Only
39
R E P a I R I N G U N I T / G a S C H a R G
39
Caution
40
Common Work for High Temperature Side and Low Temperature Side
41
Release Gas
41
Securing Work Space
41
Tool Connection
41
Refrigerant Release
42
Vacuum Evacuation of Cooling Circuits
43
Vacuum Evacuation before Nitrogen Blowing
43
Nitrogen Charge before Nitrogen Blowdown
44
Nitrogen Blow
44
Repair
45
Replacement Parts
45
Preparation for Gas Welding
46
Piping Connection by Gas Welding
46
Refrigeration Circuit Leak Check
46
Evacuation
47
Leak Check of Connection Point
47
Complete Evacuation
48
Gas Charge
49
Completion of Evacuation
49
Preparation for Charge
50
Preparation: Leak Check Spray
50
Starting Gas Charge
50
Stop Gas Charge
51
Gas Leak Check
51
Cooling Circuit
52
Enclosed in Pentane
52
Pentane Collection
52
Charge Pentane to Refrigeration Circuit
53
Confirm Operation as Final Confirmation
54
Test Data
55
AT30C Pull-Down & Pull-Up Temperture
56
AT35C Pull-Down Pressure
56
AT35C Pull-Down Temperture
56
AT35C Pull-Down Current-Input
56
Temperature Uniformity - 17Points Measuring
59
Internal Temperature Uniformity (Reference Data)
60
Distribution Data
60
Running Cycle
61
Backup Cooling Kit Installation and Setting Procedure
67
Confirmation of Packing Items
67
Precautions
74
Before Installation
74
At Installation
74
After Installation
74
Installation
75
Injection Test
75
Setting
76
Mdf-Du500Vx
77

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