Marksa CSO Series Bedienungsanleitung
INDUSTRIAL REFRIGERATION UNITS
TECHNICAL NOTICE CSO/CPO
V1.1 - 10.14
Page 2 / 86 Technical Notice CSO/CPO V1.1 / 10.14
Identification
Marksa SA
Industrial Refrigeration
39, avenue du Technicum
CH-2400 Le Locle
Tel.: +41 32 933 55 55
Fax: +41 32 931 15 65
Translated from original French Notice.
Version Date Comments
1.0 09.03.12 First Edition
1.1 21.10.14 Minor modifications (Omron
E5CC thermostat and pro-
grammable controller)
Correspondance
All correspondence regarding our products must provide the serial
number. The serial number is located on the identification plate fixed
on the refrigeration unit.
CSO
Copyright ©
The reproduction, even partially, of this document is forbidden. No part may be copied in any form, and it may not
be used, edited nor transmitted by any electronic means (photocopy, photography, magnetic supports or other re-
cording processes), without the written authorization of Marksa SA. All rights and particularly reproduction, transla-
tion, edition, distribution and also industrial property and recording are reserved.
Technical Notice CSO/CPO V1.1 / 10.14 Page 3 / 86
Table of contents
1 Introduction .................................................................................................................... 7
1.1 Foreword ........................................................................................................................................... 7
1.2 Typographical conventions ............................................................................................................... 8
1.2.1 Description ......................................................................................................................... 8
1.2.2 Command........................................................................................................................... 8
1.2.3 Procedure........................................................................................................................... 8
1.2.4 Cross reference.................................................................................................................. 8
1.2.5 List of items ........................................................................................................................ 8
1.2.6 Troubleshooting.................................................................................................................. 9
1.2.7 Warnings ............................................................................................................................ 9
1.2.8 Recommendation and Note.............................................................................................. 10
2 Generalities .................................................................................................................. 11
2.1 Appropriate usage .......................................................................................................................... 11
2.2 Safety and usage precautions ........................................................................................................ 11
2.2.1 Importance of the safety instructions................................................................................ 11
2.2.2 Safety ............................................................................................................................... 11
2.2.3 Graphic symbols............................................................................................................... 12
2.3 CSO/CPO principles of operation ................................................................................................... 13
2.3.1 Basic schematic ............................................................................................................... 13
2.4 Models and available options ......................................................................................................... 14
2.4.1 List of models ................................................................................................................... 14
2.4.2 Available options .............................................................................................................. 14
3 CPO 140 model............................................................................................................. 15
3.1 Description ...................................................................................................................................... 15
3.1.1 Front view......................................................................................................................... 15
3.1.2 Technical specifications ................................................................................................... 16
3.2 Handling ......................................................................................................................................... 18
3.3 Installation ...................................................................................................................................... 18
3.3.1 Hydraulic connections ...................................................................................................... 18
3.3.2 Electrical connections....................................................................................................... 18
3.4 Commissioning ............................................................................................................................... 18
4 CPO 310 - CSO 300 models......................................................................................... 19
4.1 Description ...................................................................................................................................... 19
4.1.1 Front view......................................................................................................................... 19
4.1.2 Rear view ......................................................................................................................... 20
4.1.3 Technical specifications ................................................................................................... 21
4.2 Handling ......................................................................................................................................... 23
4.3 Installation ...................................................................................................................................... 23
4.3.1 Hydraulic connections ...................................................................................................... 23
4.3.2 Electrical connections....................................................................................................... 23
4.4 Commissioning ............................................................................................................................... 24
Page 4 / 86 Technical Notice CSO/CPO V1.1 / 10.14
Table of contents
5 CSO 500/800 models.................................................................................................... 25
5.1 Description ...................................................................................................................................... 25
5.1.1 Front view......................................................................................................................... 25
5.1.2 Rear view ......................................................................................................................... 26
5.1.3 Technical specifications.................................................................................................... 27
5.2 Handling .......................................................................................................................................... 29
5.3 Installation ....................................................................................................................................... 29
5.3.1 Hydraulic connections ...................................................................................................... 29
5.3.2 Electrical connections....................................................................................................... 29
5.4 Commissioning ............................................................................................................................... 30
6 CPO 510/810 models.................................................................................................... 31
6.1 Description ...................................................................................................................................... 31
6.1.1 Front view......................................................................................................................... 31
6.1.2 Rear view ......................................................................................................................... 32
6.1.3 Technical specifications.................................................................................................... 33
6.2 Handling .......................................................................................................................................... 35
6.3 Installation ....................................................................................................................................... 35
6.3.1 Hydraulic connections ...................................................................................................... 35
6.3.2 Electrical connections....................................................................................................... 35
6.4 Commissioning ............................................................................................................................... 36
7 CPO 1010 - CSO 1000/1300/1700 models................................................................... 37
7.1 Description ...................................................................................................................................... 37
7.1.1 Front view......................................................................................................................... 37
7.1.2 Rear view ......................................................................................................................... 38
7.1.3 Technical specifications.................................................................................................... 39
7.2 Handling .......................................................................................................................................... 41
7.3 Installation ....................................................................................................................................... 41
7.3.1 Hydraulic connections ...................................................................................................... 41
7.3.2 Electrical connections....................................................................................................... 41
7.4 Commissioning ............................................................................................................................... 42
Technical Notice CSO/CPO V1.1 / 10.14 Page 5 / 86
Table of contents
8 Tuning and maintenance............................................................................................. 43
8.1 Tunings ........................................................................................................................................... 43
8.1.1 Thermostat ....................................................................................................................... 43
8.2 Maintenance ................................................................................................................................... 45
8.2.1 Periodic maintenance....................................................................................................... 45
8.2.2 Safety ............................................................................................................................... 45
8.2.3 Maintenance table ............................................................................................................ 45
8.2.4 Weekly maintenance ........................................................................................................45
8.2.5 Monthly maintenance .......................................................................................................45
8.2.6 Annual maintenance......................................................................................................... 46
9 Options ......................................................................................................................... 47
9.1 List of the options ........................................................................................................................... 47
9.1.1 Air filter (A) ....................................................................................................................... 48
9.1.2 Cleanable heat exchanger (B).......................................................................................... 49
9.1.3 Pump (C) .......................................................................................................................... 51
9.1.4 Distributor (D) .................................................................................................................. 52
9.1.5 400 V Power supply (E)....................................................................................................52
9.1.6 Flow rate controller (F) ..................................................................................................... 53
9.1.7 Hot gas bypass (G) .......................................................................................................... 54
9.1.8 Pre-heating kit (H) ............................................................................................................ 60
9.1.9 Differential thermostat (L)................................................................................................. 61
9.1.10 Frame on casters (M) ....................................................................................................... 61
9.1.11 LP/HP safety pressure controllers (S) .............................................................................. 62
9.1.12 Timer (T).......................................................................................................................... 64
9.1.13 Pressure gauge (V) .......................................................................................................... 64
9.1.14 Programmable troubleshooting logic controller (Y) .......................................................... 65
9.1.15 High temperature alarm (Z) .............................................................................................. 78
10 Troubleshooting........................................................................................................... 79
10.1 Warnings ......................................................................................................................................... 79
10.2 Checks ............................................................................................................................................ 79
10.2.1 Pressure checks............................................................................................................... 79
10.3 Failures ........................................................................................................................................... 80
10.3.1 The unit is not operating................................................................................................... 80
Page 6 / 86 Technical Notice CSO/CPO V1.1 / 10.14
Table of contents
11 Appendix....................................................................................................................... 83
11.1 Compliance ..................................................................................................................................... 83
11.1.1 Directives.......................................................................................................................... 83
11.1.2 Identification plate ............................................................................................................ 83
11.2 Disposal of the product ................................................................................................................... 84
11.2.1 General remarks............................................................................................................... 84
11.2.2 Preparation ....................................................................................................................... 84
11.3 Technical file ................................................................................................................................... 84
11.4 Maintenance sheet ......................................................................................................................... 85
11.5 Compliance certificat ...................................................................................................................... 86
Technical Notice CSO/CPO V1.1 / 10.14 Page 7 / 86
Introduction 1
Chapter contents
This chapter contains basic information on the structure and the specifications of the document, and on
the documentation.
1.1 Foreword
This manual is intended for all users of a Marksa refrigeration unit. It contains all the information ne-
cessary for installation, commissioning, periodic maintenance and repair.
This manual was compiled by the Marksa SA company with the same care as your refrigeration unit and
is therefore an inseparable component. If you have any questions or do not completely understand any
point, please contact your retailer immediately or contact us directly.
Page 8 / 86 Technical Notice CSO/CPO V1.1 / 10.14
1 Introduction
1.2 Typographical conventions
The following styles are used in this manual.
1.2.1 Description
This style, used in conjunction with illustration numbers, is preceded with the corresponding numbers:
Example
(1) First element
(2) Second element
(3) Etc.
1.2.2 Command
Any software command, button, function key, window, icon, option, tab, checkbox, selection box, article,
menu, tool bar, field and section used in this document is represented by a bold italic font.
Example
The On button allows actuating the unit
1.2.3 Procedure
Each procedure step to be carried out step-by-step by the user is preceded by a letter.
Example
A. Open the drawer.
B. Replace the defective component.
C. Close the drawer.
1.2.3.1 Procedure result
A procedure result is shown by the following symbol .
Example
A. Set the main switch to OFF.
The device's electric power is switched off
1.2.4 Cross reference
This style is used to help the user find complementary information linked to the current subject.
Example
See section “1.2.4 Cross reference” on page 8.
1.2.5 List of items
This style is used in order to display a list of elements.
Example
•item 1 ;
•item 2 ;
•item 3.
Technical Notice CSO/CPO V1.1 / 10.14 Page 9 / 86
Introduction 1
1.2.6 Troubleshooting
The complete description, as well as the error message, the explanation and the remedy, appear as
follows:
Problem
- Explanation, possible cause
✔Remedy
1.2.7 Warnings
Depending on the importance of the warning and the associated risks, five warning styles are defined.
The "Danger", "Warning" and "Caution" warnings are defined in accordance with the requirements
contained in the following norms :
• ANSI Z535.4;
• ISO 3864, ISO 3864-1:2002 et ISO 3864-2:2004.
1.2.7.1 Danger
Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
The main risk is shown in capitals under the symbol WARNING .The mention of a risk does not exclude
anyway the presence of subsidiary risks.
Example
ELECTROCUTION
Never touch unisolated electrical wire. A contact with conductors may cause an electrocution.
1.2.7.2 Warning
Used to indicate a potentially hazardous situation which, if not avoided, could result in death or serious
injury.
Example
Always disconnect the power supply cable before working inside the device. A contact with live
conductors may cause an electrocution.
Page 10 / 86 Technical Notice CSO/CPO V1.1 / 10.14
1 Introduction
1.2.7.3 Caution
Used to indicate a potentially hazardous situation which, if not avoided, may result in minor injury or ma-
terial damage.
Example
If the mirror is broken, do not handle it with unprotected hands because of risks of cut.
The use of the sign CAUTION without triangle means there is a risk of material damage, but no possible
injury.
Example
The unit must be transported flat and must not sustain any shocks.
1.2.8 Recommendation and Note
When additional information is necessary and its non-respect conduct to minor inconveniences, recom-
mendations and notes are presented.
1.2.8.1 Recommendation
The recommendation is used to designate a preferable procedure or a recommended usage.
Marksa SA declines any responsibility in case of non-respect of recommendations.
Example
Make sure the device is closed before starting it.
1.2.8.2 Note
Used to give a general or purely informative remark.
Example
The unit has been checked, tuned and tested in our workshops.
Dieses Handbuch passt für folgende Modelle
12
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