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Mitsubishi Electric ERST20C- VM2C - User Manual

Mitsubishi Electric ERST20C- VM2C
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CYLINDER UNIT
EHST20 series
EHPT20 series
ERST20 series
HYDROBOX
EHSC series EHSD series
EHPX series ERSC series
ERSD series
MODE D'EMPLOI
Pour garantir une utilisation sûre et appropriée, lisez attentivement le présent mode d'emploi avant d'utiliser
l’ECODAN hydrobox duo et l’ECODAN hydrobox.
BEDIENUNGSANLEITUNG
Lesen Sie sich zur sicheren und korrekten Verwendung diese Bedienungsanleitung bitte sorgfältig durch,
bevor Sie das Hydraulikmodul inkl. Speicher und die Hydrobox verwenden.
FÜR NUTZER
OPERATION MANUAL
For safe and correct use, please read this operation manual thoroughly before operating the cylinder unit and
the hydrobox.
HANDLEIDING
Voor een veilig en juist gebruik moet u deze handleiding goed doorlezen alvorens de cilinder en hydrobox in
gebruik te nemen.
MANUAL DE INSTRUCCIONES
Para un uso correcto y seguro del hydrobox duo y del Hydrobox, lea este manual de instrucciones antes de su
utilización.
MANUALE DI FUNZIONAMENTO
Per un uso corretto e sicuro del dispositivo, leggere attentamente il presente manuale di funzionamento prima
di utilizzare l’hydrotank e l’hydrobox.
MANUAL DE FUNCIONAMENTO
Para uma utilização segura e correcta, é favor ler cuidadosamente este manual de funcionamento antes de
trabalhar com o cilindro e permutador de calor.
BRUGSVEJLEDNING
Læs venligst denne brugsvejledning grundigt inden betjening af i tank modulet (unit) og hydroboksen.
ANVÄNDARMANUAL
För säker och korrekt användning, var god läs denna användarmanual noggrant innan du använder i cylindertanken
och hydroboxen.
BRUKSANVISNING
Les denne bruksanvisningen nøye før du bruker sylinderenheten og hydroboksen for å sikre trygg og riktig
bruk.
KÄYTTÖOPAS
Turvallisen ja asianmukaisen käytön varmistamiseksi lue tämä käyttöopas huolellisesti ennen varaajayksikön
ja hydroboxin käyttöä.
KÄYTTÄJÄLLE
FOR BRUKEREN
FOR USER
POUR LES UTILISATEURS
VOOR DE GEBRUIKER
PARA EL USUARIO
PER L’UTENTE
PARA O UTILIZADOR
TIL BRUGER
FÖR ANVÄNDAREN
English (EN)
(RU)
Español (ES)
Italiano (IT)
Português (PT)
Dansk (DA)
Svenska (SV)
Norsk (NO)
Suomi (FI)
Deutsch (DE)
Français (FR)
Nederlands (NL)

Для безопасного и корректного использования внимательно прочитайте эту инструкцию по эксплуата-
ции гидромодулей.


NÁVOD K OBSLUZE
V zájmu bezpečného a správného používání si prosím pečlivě prostudujte tento Návod k obsluze, dříve než
začnete zásobníkový modul a hydromodul uvádět do provozu.
Pro provozovatele
Polski (PL)

Warunkiem bezpieczeństwa i poprawności użytkowania modułu wewnętrznego z wbudowanym i bez
wbudowanego zasobnika CWU jest uprzednie uważne przeczytanie niniejszej instrukcji obsługi.


Questions and Answers

  • C
    corymorrisAug 4, 2025
    Why is my Mitsubishi Electric ERST20C- VM2C Heat Pump heating system not reaching the set temperature?
    • T
      Tamara DavenportAug 4, 2025
      If your Mitsubishi Electric Heat Pump's heating system isn't reaching the set temperature, check if a prohibit, schedule, or holiday mode is active. Adjust the settings as needed. Also, the room with the temperature sensor might be at a different temperature than the rest of the house, so consider repositioning the sensor. If you are using wireless control, check and replace the battery if needed.
  • D
    David ShahAug 8, 2025
    Why isn't my Mitsubishi Electric ERST20C- VM2C Heat Pump cooling system reaching the set temperature?
    • K
      Kyle WalkerAug 8, 2025
      If your Mitsubishi Electric Heat Pump's cooling system isn't cooling down to the set temperature (ONLY for ERSC(D) and ERST20C(D) models), it could be due to a delay at the start of cooling mode to protect the outdoor unit when the water in the circulation circuit is unduly hot. This is normal operation. Also, when the outdoor ambient temperature is significantly low, cooling mode does not start running to avoid freezing of the water pipes.
  • T
    Tina AlvarezAug 13, 2025
    What to do if an error code appears on my Mitsubishi Electric ERST20C- VM2C Heat Pump?
    • M
      Michael MillsAug 13, 2025
      If an error code appears on your Mitsubishi Electric Heat Pump's main remote controller display, it indicates an abnormal condition reported by either the indoor or outdoor unit. Note the error code number and contact your installer for assistance.
  • B
    Brenda HernandezAug 16, 2025
    What to do if water discharges from the relief valves of my Mitsubishi Electric ERST20C- VM2C Heat Pump?
    • A
      Allison MartinAug 16, 2025
      If water discharges from one of the relief valves of your Mitsubishi Electric Heat Pump, it means the system has likely overheated or is overpressurized. Immediately switch off the power to the heat pump and any immersion heaters, then contact your installer.
  • C
    Christopher BaileyAug 21, 2025
    Why is my Mitsubishi Electric ERST20C- VM2C Heat Pump relief valve dripping?
    • J
      Joshua SmithAug 22, 2025
      If you notice small amounts of water dripping from one of the relief valves of your Mitsubishi Electric Heat Pump, dirt may be preventing a tight seal. Twist the valve cap in the indicated direction until you hear a click to release a small amount of water, flushing out any dirt. Be careful, as the released water will be hot. If the valve continues to drip, the rubber seal may be damaged and need replacing, so contact your installer.
  • B
    Brittany RamirezAug 26, 2025
    Why is the water cold at the taps with my Mitsubishi Electric ERST20C- VM2C?
    • K
      Kyle AguilarAug 26, 2025
      If you are experiencing cold water at the taps when using a Mitsubishi Electric Heat Pump with a DHW tank, first check your schedule settings and adjust them if necessary. If that's not the issue, it's possible all the hot water from the DHW tank has been used; ensure the DHW mode is operating and wait for the tank to reheat.
  • J
    Jessica BrownAug 30, 2025
    Why is my Mitsubishi Electric ERST20C- VM2C heating emitter hot in DHW mode?
    • B
      Bobby YoungAug 30, 2025
      If the heating emitter is hot in DHW mode, causing the room temperature to rise with your Mitsubishi Electric Heat Pump, it may be because the 3-way valve has foreign objects in it, or hot water may be flowing to the heating side due to malfunctions.

Summary

Safety Precautions

Disposal of the Unit

Instructions for environmentally responsible disposal of the unit and its components.

Introduction

Overview of the System

Description of the Mitsubishi Electric Air to Water (ATW) heat pump system components.

How the Heat Pump Works

Explanation of the vapour-compression cycle for space heating and DHW.

Economical Best Practice

Tips for achieving the most efficient and economical operation of the heating system.

Overview of Controls

Introduction to the Flow Temperature Controller (FTC) and its role in system management.

Your Heating System

Product Specification

Detailed specifications including dimensions, modes, and electrical data for various models.

Customising Settings for Your Home

Main Remote Controller Interface

Overview of the main remote controller parts and screen icons for system interaction.

System Operation Modes

Guide to general operation, option screen, main settings, and initial system configuration.

Room Sensor Configuration

Setting up room sensors for accurate temperature monitoring and zone control.

DHW & Legionella Prevention Settings

Configuration for Domestic Hot Water (DHW) heating and Legionella prevention modes.

Heating;Cooling & Compensation Control

Settings for heating/cooling modes and explanation of compensation curve for efficiency.

Holiday Mode and Schedule Timers

Setting up holiday mode for unoccupied periods and scheduling operational times.

Service Menu Access

Accessing the password-protected service menu for advanced settings.

Service and Maintenance

Troubleshooting Common Issues

A guide to identifying and resolving common system faults and error symptoms.

Maintenance Schedule and Parts

Information on regular inspection, replacement of parts, and annual servicing requirements.

Mitsubishi Electric ERST20C- VM2C Specifications

General IconGeneral
BrandMitsubishi Electric
ModelERST20C- VM2C
CategoryHeat Pump
LanguageEnglish

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