MRC COT Series User manual

Operation Manual
COLD TRAPS
COT-SERIES
PLEASE READ THIS MANUAL CAREFULLY BEFORE OPERATION
3, Hagavish st. Israel 58817 Tel: [phone], Fax: [phone]
[e-mail]
MRC.9.20

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Content
1 GENERAL............................................................................................................................. 3
1.1 INTRODUCTION ....................................................................................................................3
1.2 SAFETY................................................................................................................................3
1.2.1 User’s Qualification ........................................................................................................3
1.2.2 Proper Use ......................................................................................................................3
1.2.3 Improper Use ..................................................................................................................3
1.2.4 Warning Signs.................................................................................................................4
1.2.5 Hazards Related to the Instrument..................................................................................5
1.2.6 Other Hazards .................................................................................................................6
1.2.7 Safety Measures..............................................................................................................6
1.3 INSTRUMENT SYNOPSIS .......................................................................................................6
1.4 INSTRUMENT CONFIGURATION....................................................................................................7
1.4.1 COT-2000H Configuration..............................................................................................7
1.4.2 COT-5000H Configuration..............................................................................................7
1.4.3 COT-2000L Configuration ..............................................................................................8
1.4.4 COT-5000L Configuration ..............................................................................................8
1.5 CONTROL PANEL INSTRUCTION............................................................................................9
1.5.1 COT-2000H、COT-5000H Control Panel Instruction.......................................................9
1.5.2 COT-2000L、COT-5000L Control Panel Instruction........................................................9
2UNPACKINGAND INSTALLATION.............................................................................. 10
3 TECHNICAL SPECIFICATIONS.................................................................................... 11
4. OPERATION.................................................................................................................... 12
4.1 POWER CONNECTION.........................................................................................................12
4.2 POWER ON .........................................................................................................................12
4.2.1 Close Breaker................................................................................................................12
4.2.2 Power Wwitch...............................................................................................................12
4.3 START REFRIGERATION SYSTEM ........................................................................................13
4.3.1 Start Refrigeration System at -40℃..............................................................................13
4.3.2 Start Refrigeration System at -80℃..............................................................................13
4.4 DRAIN ......................................................................................................................................13
4.5 POWER OFF ..............................................................................................................................14
5 PROTECTION FUNCTION............................................................................................... 14
6 MAINTENANCE AND MANAGEMENT.......................................................................... 14
6.1 MANAGEMENT...................................................................................................................14

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6.2 MAINTENANCE OF COOLING SYSTEM ................................................................................15
6.3 MAINTENANCE REQUIREMENT ..........................................................................................15
6.4 COMMON FAILURES AND TROUBLESHOOTING ....................................................................16

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1 GENERAL
1.1 Introduction
Thanks for using “COT series cold traps”. This operation manual stated the installation,
using, maintaining and servicing of cold traps. Before using this instrument, please ensure that
you have read and understood this manual completely.
1.2 Safety
This chapter described the installation, safety rules in the process of using “COT series cold
traps”. Users must grasp the related warning signs, strictly abide by the operation procedures to
ensure the security of the equipment and personal and avoid the occurrence of accident.
1.2.1 User’s Qualification
COT series cold traps must be operated by the person who has the practical operating
experiences and can grasp of the detailed requirements in this manual. Otherwise, it must be used
under the guidance of the person who has the related technology skills.
1.2.2 Proper Use
COT series cold traps are required to be installed indoor. It is used to capture water vapor
and harmful gases emission from vacuum drying oven and pressure reduced concentration
device, improving efficiency of vacuum system, extending life-span of vacuum pump.
1.2.3 Improper Use
The operation which does not abide by the related stipulations in this manual are regarded as
improper use. Any damage caused by improper use will be responsible by the users themselves.
Do not use it under below conditions:
a）Explosive gas atmospheres or explosive dust environment;
b）The places which the power supply is not in conformity with the requirements;
c）High magnetic fields, corrosive environment;
d）The gas which can corrode SUS304.

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1.2.4Warning Signs
Sign
Description
Danger
It shows that the situation is very dangerous and will lead to death or
serious injury.
Warning
It shows that the situation is very dangerous and will lead to death or
serious injury
Note
It shows that the situation is very dangerous and will lead to injury.
Prohibit
Get wet in the rain or splashing water.
Note
Do not close to the rotary parts
Note
Please wear protective equipment, otherwise may cause personal injury
Reminder
Reminder
May cause equipment damage.
Especially pay attention to each warning sign.

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1.2.5 Hazards Related to the Instrument
Please pay attention to the following safety tips:
Danger
Do not use it in explosive gas atmospheres or explosive dust
environment.
Prohibit
Do not use it outdoor. Get wet in the rain or splashing water will
cause electrification on metallic shell surfaces, and will cause
casualties.
Warning
Make sure that the power supply is in conformity with the
requirements on the nameplate.
Please place the equipment equipotential connection and earthed
reliably.
Before open the equipment enclosure for maintenance and repair, be
sure to disconnect the power supply, then operate it after 5s, ensure
the residual voltage release to safety value to avoid electric shock.
Do not use it before install the shell to avoid electric shock.
If found refrigerant leak, please take ventilation measures to reduce
refrigerant content in the air as soon as possible.
The recycling material should has no corrosive on SUS304.
Note
Please disconnect the power supply and then troubleshooting if there
is any abnormal circumstances when using it, or contact Professional
maintenance personnel ccordingly.
Please wear labor insurance gloves when cleaning, maintenance and
repair the instrument. Beware of condenser fin injury.
Note
Note
Do not close to rotary parts to avoid personnel injury.
Reminder
Reminder
Do not use it under high temperature and moist ambient. Otherwise it
will affect its normal running and life span.
Clean the condenser regularly. The cooling capacity of the equipment
will be reduced and its power consumption will be increased when
the condenser is clogged with dirt.
Keep well ventilation near the inlet/outlet of the instrument. Do not

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put any objects near the outlet within 0.7m. If the inlet and outlet
blocked, the cooling capacity will be decreased.
Keep good ventilation around the Instrument.
1.2.6 Other Hazards
Warning
Acid, alkali and other corrosive materials will damage the equipment
insulation, its components performance and service life will be affected.
Do not contact refrigerant with food, medicines, tobacco, etc., to avoid
personal injury.
1.2.7 Safety Measures
Please wear personal protective equipment such as protective glasses,
protective clothing and gloves when operating this instrument.
1.3 Instrument Synopsis
The cold trap is cooled by a compressor to reduce the temperature of the trap wall inside the
vessel, and the gas recovered by the condensation becomes a non-gaseous state, and it will be
stored in the vessel and then discharged.

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1.4 Instrument configuration
1.4.1 COT-2000H Configuration
Figure 1.4.1
1. SUS304 knob 2.Sealing flange 3.Control panel
4.Wheel 5.Breaker 6.Power cord
7.Air outlet 8.Liquid outlet 9.Air inlet
1.4.2 COT-5000H Configuration
Figure 1.4.2
1. SUS304 knob 2. Sealing flange 3. Breaker
4. Power cord 5. Wheel 6. Control panel
7. Air inlet 8. Liquid outlet 9. Air outlet

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1.4.3 COT-2000LConfiguration
Figure 1.4.3
1. SUS304 knob 2.Sealing flange 3.Control panel
4.Wheel 5.Breaker 6.Power cord
8 Air outlet 9 Liquid outlet7 Air inlet
1.4.4 COT-5000L
Configuration
Figure 1.4.4
1. SUS304 knob 2.Sealing flange 3.Control panel
4 Air outlet 5 Air inlet 6 Breaker
7 Power cord 8 Liquid outlet 9 Wheel

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1.5 Control Panel Instruction
1.5.1 COT-2000H、COT-5000H Control Panel Instruction
Figure 1.5.1 Control Pane
1 Temperature display window 2 Up 3 Down
4 Set 5 Power Switch 6Cooling Switch
7Circulaion Switch (disabled)
1.5.2 COT-2000L、COT-5000LControl Panel Instruction
Figure 1.5.2 Control Panel
1 Measured value and Menu display window 2 Set value display window
3 Set 4 Up 5 Down 6 Power Switch
7 Cooling Switch 8 Circulaion Switch (disabled)