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Zanotti MSB3370Y2 Series User Manual

Zanotti MSB3370Y2 Series
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SB
R290
Con strumento XM670K e configurazione master-slave
With XM670K controller and master-slave configuration
MANUALE USO E MANUTENZIONE
USE AND MAINTENANCE INSTRUCTIONS
I
GB
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Zanotti MSB3370Y2 Series Specifications

General IconGeneral
BrandZanotti
ModelMSB3370Y2 Series
CategoryCooling boxes
LanguageEnglish

Summary

Safety Recommendations

Explosion-Dangerous Atmosphere Forbidden

Unit is not suitable for explosive environments; use in such atmosphere is forbidden.

Coldroom Volume and Ventilation Requirements

Coldroom must have min. 4 m³ free volume; ambient requires min. 20 m³ ventilation.

Salty Environments Warning

Unit not suitable for salty environments; protect condenser and evaporator.

Refrigerant Discharge Warning

Do not discharge refrigerant; it must be recovered by specialized technicians.

Flammable Refrigerant R290 Properties

Technical Safety Requirements Compliance

Comply with EU legislation (PED, ATEX, EN378) for locating and operating the unit.

Safe Refrigerant Gas Handling

Avoid damaging pipes, prevent fire risk from refrigerant exposure, use specialized technicians and equipment.

Table of Warning and Attention Plates

Unit Description and Operation

SB Series Components Overview

Unit consists of condensing unit, evaporator, electric connection box, and remote control panel.

SB Single Blocks Operation Principle

Compression units produce cold by vaporizing refrigerant (R290) in an evaporator.

Unit Handling and Transport

Safe Unit Lifting and Transport Procedures

Handle unit by lifting and transport means, ensuring safety of personnel.

Installation Guide

Unit Dimensions and Specifications

Table providing dimensions for various SB unit models.

Optimal Unit Location and Placement

Place unit in well-ventilated room, limit door openings, ensure good air supply/discharge.

Authorized Installation Procedures and Requirements

Required Free Room for Unit Operation

Leave enough free room for opening, use, and maintenance in safe conditions.

Remote Control Panel Fitting Instructions

Fix back plate vertically, connect cable without bundling it with others.

Mechanical and Electrical Safety Devices

Lists mechanical (protections) and electrical (fan protection, pressure switches) safety devices.

Unit Connection Procedures

Unit Cleaning Instructions and Warnings

Clean unit carefully, remove dust and dirt. Solvents are not allowed.

Electrical Connection Procedure and Safety

Check voltage/frequency, use safety device (circuit breaker/RCD), connect according to wire colours.

Specific Cable Warnings and Connections

Cold Room Lamp Connection Details

Unit has a cable for cold room lamp connection (230V, 100W max).

Microdoor, Light, Heater Cable Warnings

Do not connect microdoor, light, or heater cables to the 230V line; each has a specific plate.

Electrical Parts Replacement Safety Warning

Any defective electrical part must be replaced exclusively by trained personnel.

Water System Connection for Water Condensers

Connect water inlet/outlet pipes as indicated; min. 1 bar water pressure required.

Electric Controls and Pre-Operation Checks

Electric Controls Reference

Refers to the annexed manual controller.

Pre-Start Unit Checks and Adjustments

Check locking screws, electrical connections, ensure no tools left, correct assembly, no gas leaks, front cover secured.

Unit Starting Procedure and Settings

Connect to mains, check display (OFF), perform preheating/voltage monitor phases, press ON/OFF, set temperature.

Installation Guide Steps

Setting the Cold Room Temperature

Connect to mains, press ON/OFF, press SET, use UP/DOWN keys to adjust temperature.

Quick Installation Guide Steps

Steps for installing air flow conveyor and fixing components.

Wiring Connections for Installation

Connecting Door Cable to X4

Connect door cable to X4, noting cable type and correct plug orientation.

Connecting Remote Panel to X5

Connect the remote panel to X5 using the appropriate cable.

Plumbing Connections for Installation

Connecting Water and Condensate Pipes

Connect water outlet, water inlet, and condensate evacuation pipes.

Master/Slave Controller Configuration

Setting Unit Addresses for Master/Slave Mode

Set addresses 1 to N for master/slave units via the remote panel.

Wiring Connections for Master/Slave Units

Connect X7 of master to X8 of 1st slave, and subsequent slaves similarly.

Controller Operation Modes (ALL, LOC)

Control units via "ALL" (all units), "LOC" (local unit), or specific address.

Wiring Information and Maintenance Overview

Wiring Diagram Reference

Refers to an enclosed wiring diagram specific to SB series units.

Essential Maintenance Guidelines Summary

Keep room venting on, inspect pipe lines, handle R290 safely, purge with nitrogen, use appropriate caps.

Routine Maintenance and Safety Warnings

Routine Condenser Cleaning Procedure

Periodically clean the condenser by blowing air from inside outwards.

Safety Gloves and Unit Disconnection Warnings

Use safety gloves and always disconnect unit before working.

Periodical Maintenance Checks

Periodically check wear condition of electrical contacts and remote switches.

Prohibited User Service Operations

User cannot replace electrical parts, work on electrics, repair mechanical parts, or work on the refrigeration system.

Troubleshooting Common Unit Issues

Prohibited Control Panel and Safety Device Work

User cannot work on the control panel, ON/OFF/emergency switches, or safety devices.

Compressor Stops Troubleshooting

Compressor may stop due to overheating, poor ventilation, voltage anomaly, or fan fault.

Evaporator Ice Formation Troubleshooting

Ice may form due to frequent door opening, fan fault, or defrost issues.

Additional Troubleshooting and Alarms

Display Not Lighting Up Troubleshooting

Check power, mains cable connection, and internal fuses if the display does not light up.

Unit Not Starting Troubleshooting

Check microdoor connection if the unit does not start after pressing ON/OFF.

Alarm Indicators and Reference

Refers to the manual of the electronic controller for alarm details.

Ordering Spare Parts Procedure

Refer to the unit plate number when ordering spare parts.

Efficiency Checks and Safety Warnings

Unsatisfactory Unit Efficiency Checks

Check door seals, cold dispersion, proper room use, and evaporator for ice.

Ice Removal and Protection Removal Safety Warnings

Do not use hot water/metal objects for ice removal; do not remove protections during operation.

Unit and Packing Disposal

Packing Disposal Instructions

Dispose of wooden, plastic, polystyrene packing according to country regulations.

Unit Disposal Instructions

Dispose of scrapped components via specialized waste collection companies.

Refrigerant Disposal Warning

Do not discharge refrigerant into the atmosphere; dispose of via specialized collection services.

Controller Parameter Reference

Controller Parameters (Hy to ALC)

Details parameters like Differential, Set Points, Delays, Defrost settings, and Alarm configurations.

Controller Parameters and Alarm Indicators

Controller Parameters (ALU to P1C)

Details parameters related to alarm settings, input/output configurations, and energy saving.

Controller Parameters (P1C to rSE)

Details parameters related to P1/P2 configuration, calibration, LAN settings, and browsing functions.

Digital Input Signal and Alarm Indicators

Explains 'CA', 'PrP' flashing indicators for pressure switch activations.

Wiring Diagram Component Legend

Legend Designations (BA to ES)

Lists designations for sensors, heaters, and other components.

Legend Designations (F13 to HI)

Lists designations for fuses, components, alarms, and lights.

Legend Designations (K1 to MVE)

Lists designations for compressors, motors, and contactors.

Legend Designations (P1MX to X)

Lists designations for switches, transformers, and terminal boards.

Legend Designations (YG)

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