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ROBIN WOOD MITSUI SMK-60/CGN8 - User Manual

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M-thermal split
Indoor unit
INSTALLATION
AND OWNER’S MANUAL
Thank you very much for purchasing our product,
Before using your unit , please read this manual carefully and keep it for future reference.
IMPORTANT NOTE:
SMK-60/CGN8
SMK-80/CGN8
MONO HEAT PUMPS
INSTALLATION
AND OWNER’S MANUAL
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EN-IT

Table of Contents

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Summary

Safety Precautions

Explanation of Symbols

Explains the meaning of various warning and information symbols used on the unit.

Danger, Warning, and Cautionary Instructions

Details critical hazards that could lead to death or serious injury if not avoided.

General Introduction to Mono Heat Pumps

Unit Applications and Operation Range

Describes unit applications for heating, cooling, and DHW, plus operating ranges.

Included and Optional Accessories

Supplied and Available Accessories

Lists accessories included with the unit and optional items available for purchase.

Pre-Installation and Transport Guidelines

Unit Transport and Handling Instructions

Provides guidelines for safely moving and handling the unit due to its weight and dimensions.

Refrigerant and Environmental Information

Installation Site Selection Criteria

Cold Climates and Sunlight Avoidance

Guidance on selecting sites to prevent wind, snow issues, and avoid direct sunlight interference.

Installation Precautions and Requirements

Unit Dimensions and Foundation Requirements

Provides unit dimensions and specifies foundation requirements for secure installation.

Drain Hole Positioning and Cold Weather Use

Details correct placement of drain holes and options for cold weather use.

Servicing Space Requirements for Installations

Specifies required clearances for stacked and multiple-row installations for servicing access.

Typical Application Diagrams

Application 1: System Configuration Overview

Illustrates a typical system configuration for heating, cooling, and domestic hot water.

Application 2: Room Thermostat Control

Explains how to use a room thermostat for space heating or cooling control.

Application 2: Mode Set Control Methods

Details how to set operating modes using a room thermostat for various configurations.

Application 2: Double Zone Control

Describes control methods for a dual-zone system using room thermostats.

Application 3: Cascade System Configuration

Illustrates a cascade system configuration for connecting multiple units.

Buffer Tank Volume Requirements

Specifies the required buffer tank volume for different unit capacities and cascade systems.

Unit Overview and Component Identification

Hydraulic Module Components and Functions

Details the components and their functions within the hydraulic module.

Control Board Wiring and Connections

Hydraulic Module Board Pinout

Provides a detailed layout and pin description for the hydraulic module control board.

Main Control Board Connections Guide

Details the connections and functions of the main control board.

1-Phase Inverter Module Connections

Illustrates the connections for the inverter module for 1-phase units (5-16kW).

3-Phase Inverter Module Connections

Details the connections for the inverter module for 3-phase units (12-16kW).

Water Piping and Circuit Management

Water Circuit Inspection and Checks

Guidelines for checking the water circuit, ensuring proper connections and compliance.

Water Volume and Expansion Vessel Sizing

Provides guidance on checking water volume and sizing the expansion vessel.

Water Circuit Connection Procedures

Details on making correct water connections, avoiding damage and ensuring proper function.

System Water Filling and Air Purging

Instructions for filling the water system, including air purging and pressure checks.

Water Piping Insulation Requirements

Requirements for insulating water piping to prevent condensation and freezing.

Field Wiring and Electrical Connections

General Field Wiring Safety Precautions

General safety precautions for performing electrical wiring work on the unit.

Power Supply Wiring Best Practices

Specific guidelines for safely connecting the power supply, including terminal usage and grounding.

Required Safety Devices and Wire Sizing

Details on selecting appropriate wire diameters and safety devices based on electrical specifications.

Accessing the Switch Box for Wiring

Instructions on how to safely remove the switch box cover for wiring access.

Cascade System Electrical Control Diagrams

Illustrates the electrical connection diagrams for cascade systems (1N~ and 3N~).

Cascade System Power Cord Installation

Provides guidelines for connecting power cords in a cascade system.

Connecting External Components to the Unit

Details on connecting various components like loads, contactors, and control signals.

Hydraulic Module Control Signal Connections

Illustrates control signal connections for heat sources, valves, and pumps.

Pump and Alarm;Defrost Signal Wiring

Details connections for outside pumps, zone 2 pump, DHW pump, and alarm/defrost signals.

Heater and Thermostat Wiring Connections

Illustrates connections for tank booster heaters, internal backup heaters, and room thermostats.

Thermostat Connection Methodologies

Explains different methods (A, B, C) for connecting thermostat cables based on application.

Solar Energy Input Signal Wiring

Details the connection for low voltage solar energy input signals and system operation logic.

Initial Unit Start-up and Configuration

Initial Start-up Procedures and Considerations

Guidance for initial start-up, especially at low ambient temperatures, to prevent concrete cracking.

Pre-Operation Checks Before Start-up

Essential checks to perform before switching on the unit after installation.

Installation Manual and Field Settings

Field Settings Configuration Guide

Explains how to configure unit settings to match installation environment and user demands.

User Interface Menu Structure Overview

Detailed Setting Parameters Reference

Details the various setting parameters available within the unit's menu system.

Final Checks and Manual Test Run Procedures

Final Checks Before Unit Activation

Recommendations for final checks after installation and parameter setting.

Performing Manual Test Runs

Guides on performing manual test runs to check unit operations like valves, pumps, and modes.

Specific Test Run Modes and Scenarios

Details on performing test runs for Point Check, Air Purge, pumps, and different operational modes.

Unit Maintenance and Service Schedule

Routine Maintenance and Inspection Guidelines

Outlines periodic checks and inspections required for optimal unit availability.

Troubleshooting Common Unit Issues

General Troubleshooting and Inspection Steps

Provides initial steps and guidelines for diagnosing and correcting unit issues.

Symptom Analysis and Corrective Actions

Lists common symptoms, possible causes, and corrective actions for unit malfunctions.

Troubleshooting Specific Malfunctions

Details troubleshooting steps for specific issues like compressor not starting or pressure relief valve problems.

Troubleshooting Capacity and Mode Change Issues

Addresses issues related to heating capacity, mode changes, and DHW operation.

Unit Error Codes and Their Meanings

Lists all error codes displayed by the unit and their corresponding malfunctions or protections.

Additional Unit Error Code Reference

Continues the list of error codes and their associated malfunctions or protections.

Technical Specifications Overview

General Unit Specifications Data

Provides general technical data including capacity, dimensions, weight, and operating ranges.

Electrical Specifications and Requirements

Details electrical requirements such as power supply voltage and nominal running current.

Servicing Procedures and Safety Precautions

Pre-Servicing Area Safety Checks

Safety precautions and checks for the work area before performing service on flammable refrigerant systems.

Service Work Procedures and Equipment Safety

Details on work procedures, safety measures, and checks for refrigeration equipment during servicing.

Refrigerant Cycle Diagram and Components

E-heating Tape Installation Guide

ROBIN WOOD MITSUI SMK-60/CGN8 Specifications

General IconGeneral
BrandROBIN WOOD
ModelMITSUI SMK-60/CGN8
CategoryHeat Pump
LanguageEnglish