Thermo Scientific Harris MBF-700 Einrichtungshandbuch

MBF-700

Refrigeration System

Installation, Operation and

Service Manual

325152H01 Rev. E July 2015

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www.thermoscientific.com/labwarranty

IMPORTANT Read this instruction manual. Failure to follow the instructions in this manual can result

in damage to the unit, injury to operating personnel, and poor equipment performance.

CAUTION All internal adjustments and maintenance must be performed by qualified service personnel.

Material in this manual is for informational purposes only. The contents and the product it describes are

subject to change without notice. Thermo Fisher Scientific makes no representations or warranties with

respect to this manual. In no event shall Thermo be held liable for any damages, direct or incidental,

arising from or related to the use of this manual.

Thermo Fisher Scientific Inc. provides this document to its customers with a product purchase to use in

the product operation. This document is copyright protected and any reproduction of the whole or any

part of this document is strictly prohibited, except with the written authorization of Thermo Fisher

Scientific Inc.

The contents of this document are subject to change without notice. All technical information in this

document is for reference purposes only. System configurations and specifications in this document

supersede all previous information received by the purchaser.

Thermo Fisher Scientific Inc. makes no representations that this document is complete, accurate or

error-free and assumes no responsibility and will not be liable for any errors, omissions, damage or

loss that might result from any use of this document, even if the information in the document is

followed properly.

This document is not part of any sales contract between Thermo Fisher Scientific Inc. and a purchaser.

This document shall in no way govern or modify any Terms and Conditions of Sale, which Terms and

Conditions of Sale shall govern all conflicting information between the two documents.

Intended Use of the MBF-700 Refrigeration System

The MBF 700 described in this manual is a high performance unit which can be used for research and in

situations that directly support medical applications. When the MBF-700 is used to support a medical

application, it is an accessory to a medical device and is therefore considered as a medical device in its

own right by the regulatory body (e.g. FDA).

This product is intended for use:

• As cold storage in research use.

• As a medical device for diagnostic use (storage of samples not intended to be re-introduced

to the human body).

• As a medical device for blood component storage use and possible re-introduction to the

human body.

Registration

: This medical application is considered a Class I medical device by the FDA. This product is

classified as product code – JRM, regulation number 862.2050 and is considered device class 1, 510(K)

exempt.

Table Of Contents

Specifications............................................................................1

Models ..................................................................................1

Exterior Dimensions ............................................................1

Power Requirements ............................................................ 1

LCO2 Backup System.......................................................... 1

Environmental Operating Conditions ..................................1

Refrigerant Charge............................................................... 2

Oil Charge ............................................................................2

Safety Precautions....................................................................3

Unpacking.................................................................................5

General Description.................................................................6

Construction .........................................................................6

Incoming Power Wiring .......................................................8

Installation and Operation......................................................9

Installation Checklist............................................................ 9

Responsibilities .................................................................. 10

Control Panel ......................................................................12

Loading Instructions .......................................................... 13

Options and Accessories........................................................15

Water-cooled Condensing Unit Connections..................... 15

Installing the Remote Alarm Connector ............................ 17

Liquid CO2(LCO2) Backup System....................................19

Installation.......................................................................... 19

LCO2Control System Battery Condition .......................... 20

Liquid CO2Backup Installed as Accessory #6100............ 20

Cobex 7-day Circular Chart Temperature Recorder ........24

Setup and Operation ...........................................................24

Maintenance ....................................................................... 25

Theory of Operation..............................................................33

Overview ............................................................................33

Sequence of Operation .......................................................33

Systems Description........................................................... 34

Operation............................................................................ 37

Maintenance and Service ......................................................41

Cleaning the Freezer Surfaces............................................ 41

Air Cooled Condensers ......................................................41

Compressor Oil Level ........................................................ 41

Fan Motors .........................................................................41

Defrosting ...........................................................................41

Table Of Contents

LCO2Vent .........................................................................42

Storage ...............................................................................42

Troubleshooting.....................................................................43

Failure Analysis......................................................................48

Contactors and Relays........................................................ 48

Compressor Motors, Three Phase ......................................48

Partial or Complete Loss of Refrigeration .........................48

Checking Refrigerant Charge .............................................49

Installing Gauges ................................................................49

Leak Testing, Repairing and Charging – an Overview ......50

Repair Procedures .................................................................53

Compressor Replacement ..................................................53

Backflush Procedure ..........................................................56

Evacuation Procedure ........................................................58

Charging Procedure -- 1st (High) Stage ............................. 60

Charging Procedure-- 2nd (Low) Stage.............................. 60

Temperature Calibration......................................................62

Warranty ................................................................................63

Appendix A.............................................................................65

Refrigeration System Data .................................................65

Service Parts List ............................................................... 66

Temperature Conversion Table ..........................................70

230 V Wiring Diagram ......................................................71

12 V Wiring Diagram ........................................................72

LCO2Backup System Electrical Schematic ......................73

Appendix B: Primary Controller .........................................74

Dixell Operating Manual.......................................................75

Introduction ........................................................................75

Overview ............................................................................76

Controlling Loads ..............................................................76

Front Panel Commands ......................................................79

MAX and MIN Temperature Memorization ......................81

Main Functions ..................................................................82

Parameters ..........................................................................85

Digital Inputs...................................................................... 92

RS485 Serial Line (for Monitoring Systems) ....................94

X-REP Output(Optional) ................................................... 94

Installation and Mounting ..................................................94

Electrical Connections .......................................................95

How to Use the Hot Key ....................................................95

Alarm Signals .....................................................................96

Specifications .....................................................................98

Connections ........................................................................99

Table Of Contents

E2 MODBUS Network Wiring ..........................................99

ECT MODBUS Networking to E2s................................. 101

Default Setting Values .....................................................107

Dixell Parameter Table .......................................................112

Specifications

Thermo Scientific MBF-700 Refrigeration System Installation, Operation and Service Manual 1

1 Specifications

1.1 Models The following MBF-700 models are described in this manual:

1.2 Exterior Dimensions

1.3 Power Requirements

1.4 LCO2Backup

System 115 V, 120 V, 230 V available

Phase 1

1.5 Environmental

Operating Conditions

Model Number Revision Level

MBF700LSAO-E Rev. 20

MBF700LSAW-E Rev. 20

Height 47.5 in (121 cm)

Width 121 in (307 cm)

Depth 35.3 in (90 cm)

Weight 1510 lbs (685 kg) – shipping weight 1790 lbs (812 kg)

Frequency 60 Hz 50 Hz

Voltage 208/230 220

Phase 3 3

Amperage 24 A 38 A

Pollution Degree 2

Installation Category II

Altitude 2000 m MSL (mean sea level)

Humidity max 80% - non-condensing

Voltage Tolerance ±10%

Specifications

2 Installation, Operation and Service Manual Thermo Scientific MBF-700 Refrigeration System

1.6 Refrigerant Charge

1.7 Oil Charge

Stage 1 R404a (50 oz)

Stage 2 R290 (1.5 oz), R508b (20.3 oz)

Stage 1 50 oz POE RL32H

Stage 2 65 oz Alkyl Benzene Zerol

Safety Precautions

Thermo Scientific MBF-700 Refrigeration System Installation, Operation and Service Manual 3

2 Safety Precautions In this manual, the following symbols and conventions are used:

This symbol used alone indicates important operating instructions which

reduce the risk of injury or poor performance of the unit.

CAUTION: This symbol, in the context of a CAUTION, indicates a

potentially hazardous situation which if not avoided could result in minor to

moderate injury or damage to the equipment.

WARNING: This symbol indicates situations where dangerous voltages

exist and potential for electrical shock is present.

The snowflake symbol indicates extreme low temperatures and high risk of

frostbite. Do not touch bare metal or samples with unprotected body parts.

This symbol indicates a need to use gloves during the indicated procedures.

If performing decontamination procedures, use chemically resistant gloves.

Use insulated gloves for handling samples and when using liquid nitrogen.

Before installing, using or maintaining this product, please be sure to read

this manual and product warning labels carefully. Failure to follow these

instructions may cause this product to malfunction, which could result in

injury or damage.

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