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3881
Thermo Scientific 3881 User Manual
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Model 3881, 3883, 3887 and 3889
Forma Blood Bank Refrigerators
Operating and Maintenance Manual 7033881 Rev
. 1
2
Table of Contents
Table of Contents
6
Receiving
8
Preliminary Inspection
8
Visible Loss or Damage
8
Responsibility for Shipping Damage
8
Installation and Start-Up
10
Location and Installation
11
Preparing the Performance Monitor/Alarm
11
Connecting the Back-Up Battery
12
Connecting to Power
13
Connecting the Remote Alarm Relay
13
Connecting the under and over Temp Relays
14
Installing the Temperature Probes
16
Liquid Temperature Measurement
16
Preparing the Cobex Chart Recorder
16
Installing the Chart Recorder Battery
16
Installing the Chart Paper
17
Replacing the Pen
17
Calibrating the Chart Recorder
18
Operation
20
Operating the Performance Alarm/Monitor
20
Setting the High and Low Temp Alarm Setpoints
21
Setting the Month, Day, and Time
21
Interpreting the Alarm Information
24
Calibrating the Temp Probes
25
Overtemp and Undertemp Alarm Test
25
If the Probe Tests Fail
26
Silencing the Audible Alarm
26
Testing the Performance Alarm Battery
26
Maintenance
30
Cleaning
30
Interior
30
Condenser
30
Door Gasket
30
Drawer Removal and Installation
30
Troubleshooting and Service
32
Specifications
36
Spare Parts
38
Refrigeration Schematics
40
4
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Thermo Scientific 3881 Specifications
General
Brand
Thermo Scientific
Model
3881
Category
Laboratory Equipment
Language
English
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