Viessmann EVO-COOL CS 900 User Manual

Ensure compliance with the following instructions prior to beginning work on the Refrigeration unit:
Refrigeration units EVO-COOL®
Installation and
operating Instructions
6008309-01 GB
General notice (liability): the details of this technical documents serve for description. Consents regarding the availability of certain features or
regarding a certain purpose always require a special written agreement.
GB
We reserve the right to make technical changes! Status as of 02.15Page 1
Installation, cleaning maintenance and repair work must be
performed only by a refrigeration specialist company.
Technical modi cations and manipulation are prohibited.
Non-compliance will result in forfeiture of all warranty claims.
Work on the Refrigeration unit is authorised only when the mains
plug has been removed. The Refrigeration unit must be protec-
ted against unauthorized activation by appropriate means
(e.s. warning sign). The directives, VDE 0105 Part 1, for working
on electrical equipment must be complied with.

Viessmann EVO-COOL CS 900 Specifications

General

Brand	Viessmann
Model	EVO-COOL CS 900
Category	Boiler
Language	English

Summary

General Safety and Preparation

Work Authorization and Safety Precautions

Work must be done by specialists; mains plug removed; protect against unauthorized activation.

Technical Modifications and Warranty

Technical modifications are prohibited; non-compliance forfeits warranty claims.

1. Product Description

1.1 Refrigeration Unit Types

Details EVO-COOL® CS units for room cooling (-5°C to +20°C).

1.2 Deep-Freeze Unit Types

Details EVO-COOL® FS units for deep-freeze (-25°C to -5°C).

4. Installation in a Viessmann Coldroom

4. Installation Requirements and Clearances

Specifies minimum 250mm ventilation clearance and wall cut-out planning.

Electrical Power Connection Safety

Critical warning: Connect electrical power only at commissioning - Risk of life!

4. Installation in a Viessmann Coldroom (Continued)

Defrost Water Drain Hose Connection

5. Electrical Power Supply (Continued)

5.3 Power Supply and Commissioning Safety

Electrical power connection must be done by specialists; risk of life involved.

6. Defrosting

6.1 Defrosting Process Overview

Explains defrost initiation, compressor/fan states, and heater activation.

Defrosting Sensor Placement Guide

Precise placement details for the evaporator sensor for optimal defrosting.

7. Cooling Mode Operations

7.1 How the Cooling Mode Works

Explains cooling activation, compressor/fan sequences, and temperature control.

7.2 Cooling Mode Types

Descriptions of Normal, Cooling Schedule, and Emergency modes.

8. First Steps with EVO-COOL®

8.1 Initial Unit Check and Connection

Verifying unit integrity and connecting to the network via specification plate.

User Login and Temperature Setting

Procedure for logging in with a sequence and setting the target temperature.

Standby Mode Configuration

9. Operation of the Regulation

9.1 Menu Enabling and Access Codes

Using a 5-digit code for login to protect unit settings.

9.3 Menu Settings (Continued)

Defrosting Configuration Options

Setting manual defrost, defrost cycle, duration, temperature, and switching points.

9.3 Menu Settings (Continued)

Alarm Limit Values and Delays

Configuring alarm delays for temperature and door open events.

9.3 Menu Settings (Continued)

Factory Settings Reset

9.6 Menu Program

Temperature and Standby Settings

Cooling Schedule Programming

9.9 Menu Warnings Display

11. Fault Rectification

Unit Not Running Troubleshooting

Checks for power plug, mains voltage, and fuse issues.

Display Not Working Troubleshooting

Diagnosing display issues related to connections, fuses, or voltage.

Thermal Detector Faults

Identifying and rectifying defective thermal detectors.

Package Detector and High Pressure Faults

Troubleshooting package detector issues and high pressure faults.

11. Fault Rectification (Continued)

Temperature Alarms Troubleshooting

Diagnosing and resolving cold room temperature too high/low issues.

Evaporator Icing and Continuous Running

Addressing issues where the unit runs constantly and the evaporator is icy.

Door Open and Emergency Operation

13. Electrical Circuit Diagram (230V)

14. Electrical Circuit Diagram (400V)

15. Technical Data

EVO-COOL® CS Refrigeration Units Specifications

EVO-COOL® FS Deep-Freeze Units Specifications