EasyManua.ls Logo

mundoclima MU-WZ Series User Manual

mundoclima MU-WZ Series
41 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
English
CL19782
www.mundoclima.com
Service manual
AIR CONDITIONER WITHOUT OUTDOOR UNIT
MU-WZ Series
Question and Answer IconNeed help?

Do you have a question about the mundoclima MU-WZ Series and is the answer not in the manual?

mundoclima MU-WZ Series Specifications

General IconGeneral
RefrigerantR32
SeriesMU-WZ
BrandMundoclima
CategoryAir Conditioner
TypeWall-mounted
FunctionsCooling & Heating

Summary

Main Features

Packing Method

Details the procedure for packing the air conditioner unit for transport.

Compliance Certifications

CE-EMC Certification

Certificate confirming compliance with Electromagnetic Compatibility directives.

CE-LVD Certification

Certificate confirming compliance with Low Voltage Directive requirements.

RoHS Compliance Verification

Verification of product declarations for compliance with RoHS restrictions.

Overall Dimensions and Drawings

Explosion View and Parts List

WZ-32 Explosion View

Exploded diagram illustrating all components of the WZ-32 model.

Technical Data and Performance Tests

Cooling Performance Test Data

Graphical representation of cooling performance under specific test conditions.

Heating Pump Performance Test Data

Graphical data for heating pump performance under various test conditions.

Energy Efficiency Label

Noise Level Specifications

Indoor Fan Mode Noise Levels

Details indoor noise levels during fan operation across different speeds and frequencies.

Indoor Cooling/Heating Mode Noise Levels

Details indoor noise levels during cooling and heating modes across different speeds.

Outdoor Cooling/Heating Mode Noise Levels

Details outdoor noise levels during cooling and heating modes across different speeds.

Installation Guide

Positioning the Air Conditioner

Guidelines for correctly placing the air conditioner on an exterior wall for optimal performance.

Paper Template Usage

Instructions for using the paper template to mark drilling points accurately.

Drilling Wall Holes

Procedures for drilling intake and outlet holes with specific diameter and inclination.

Drainage Hole Installation

Details two systems for draining condensate moisture, ensuring proper gravity flow.

Fastening the Mounting Bracket

Steps for securely anchoring the bracket to the wall using provided or extra bolts.

Installation of Air and Drain Pipes

Guidance on rolling and fitting plastic sheets for pipes through wall holes.

Fitting External Gratings

Instructions for installing the air intake and discharge gratings onto the unit's tubes.

Mounting the Unit on Bracket

Procedures for lifting and securely attaching the air conditioner to its wall bracket.

Electric Wiring Diagram

Description of Software Operation

10.1 Main Technical Index

Specifications for the PCB, including receiver distance, temperature/time accuracy.

10.2 Definitions

Definitions of terms like RT, IPT, ST, OPT, and PTC data used in the manual.

10.3 Mode Introduction

Overview of different operating modes like Auto, Cooling, Dehumidify, Heating, Fan, and Sleeping.

10.3.2 Cooling Mode

Details compressor and fan working conditions, setting temperature, and fan speed control.

10.3.3 Dehumidify Mode

Explains working conditions for dehumidify mode, including fan speed and temperature checks.

10.3.4 Heating Mode

Describes compressor, fan, and four-way valve operation in heating mode, including anti-cold function.

10.3.4.9 Heating Mode Defrost Function

Details conditions, procedures, and relieving criteria for the defrost cycle in heating mode.

10.3.4.10 Electrical Heater Functionality

Explains auto and manual auxiliary electrical heater operation and overheat protection.

10.3.5 Fan Mode

Describes compressor, valve, and fan operation when only the fan mode is selected.

10.3.6 Sleeping Mode

Details how the unit operates in sleeping mode during cooling and heating for energy saving.

10.3.7 Timer Function

Instructions on setting timer ON and OFF functions using the remote control.

10.3.8 Emergency Function

Describes the function of the emergency button for auto-running and unit control.

10.4 Flap Panel Control

How the flap panel movement is controlled by the step motor.

10.5 Protection Function

Explains compressor delay, anti-frozen, and overheat protection mechanisms.

10.5.4 Sensor Damage Protection

Details error codes and unit behavior when room or coil temperature sensors are damaged.

10.5.5 Indoor PG Motor Problem Protection

Explains the protection triggered by issues with the indoor fan motor's speed feedback.

10.5.6 Refrigerant Insufficient Protection

Protection mechanism activated when refrigerant levels are insufficient, indicated by error code E4.

10.5.7 Failure Error Code Display

Lists error codes displayed for various component failures, their flash patterns, and meanings.

10.6 Combination Button Function

Explains how pressing specific buttons simultaneously affects the outdoor fan speed for noise reduction.

10.7 Speed

Lists the operating speeds (rpm) for cooling and heating modes.

Safety Precautions

Ordinary Maintenance Procedures

Filter Cleaning Procedure

Steps for cleaning the air conditioner filters every two weeks to ensure efficiency.

External Surface Cleaning

Guidelines for cleaning the unit's exterior using a damp cloth, avoiding abrasives.

Active Carbon Filter Maintenance

Information on the active carbon filter's function and replacement advice every three months.

Electrical Heater Location

Notes the position of the electrical heater and warns against touching it.

Troubleshooting Guide

Related product manuals