Mitsubishi Electric Zuba Central User Manual

Zuba Central

Heat Pump

User Manual

English

U

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Introduction

The Zuba-Central is a Heat Pump using Hyper Heat technology. The Zuba-Central
consists of outdoor unit and multi position ducted air handling indoor unit which are
connected together and controlled by a PAR 21MAA controller.

Application

Constant energy price increases in Canada and around the globe is increasing the
consumer’s requirements to source more efficient ways to cool and heat their homes.
The Zuba-Central Hyper Heat Pump can save energy and reduce greenhouse gas
emissions due to its high seasonal operation efficiency in both cooling and heating
seasons. In addition to this the new two phases liquid gas injection technology allows
high heating output at ambient temperatures below -30°C. The system is available with
auxiliary back-up heating options of hydronic hot water, electrical resistance heat or SCR
ducted heater.
Emergency Auxiliary back-up heat is also activated in case of system malfunction.

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Contents

Safety Precautions 3
Zuba-Central controller --PAR21MAA 5
Screen Configuration 6
Setting the Day of the Week and Time 8
Operation 9
Timer 11
Error Codes indication 22
User maintenance 23

Safety Precautions

• Before installing the unit, make sure you read all the “Safety Precautions”.

• The “Safety Precautions” provide very important points regarding safety.

Make sure you follow them.

• Please report to or obtain necessary permits from Local Electrical authority

before connection to the system

Symbols used in the text

Warning:

Describes precautions that should be observed to prevent danger of injury or death
to the user

Caution:

Describes precautions that should be observed to prevent damage to the unit

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Warnings:

• For appliances when installed should not be accessible to the general public.

• The unit must not be installed by the user. Ask the dealer or an authorized

company to install the unit. If the unit is installed improperly, water leakage,
electric shock or fire may result.

• Do not stand on, or place any items on the unit.

• Do not splash water over the unit and do not touch the unit with wet hands.

An electric shock may result.

• Do not spray combustible gas close to the unit. Fire may result.

• Do not place a gas heater or any other open-flame appliance where it will

be exposed to the air discharged from the unit. Incomplete combustion may
result.

• Do not remove the front panel or the fan guard from the outdoor unit or the

panels from the indoor unit when it is running.

• When you notice exceptionally abnormal noise or vibration, stop operation,

turn off the power switch, and contact your dealer.

• Never insert fingers, sticks etc. into the intakes or outlets.

• If you detect odd smells, stop using the unit, turn off the power switch and

consult your dealer. Otherwise, a breakdown, electric shock or fire may
result.

• This system is NOT intended for use by children or infirm persons without

supervision.

• Young children must be supervised to ensure that they do not play with the

air conditioner.

• If the refrigeration gas blows out or leaks, stop the operation of the system,

thoroughly ventilate the room, and contact your dealer.

Caution:

• Do not use any sharp object to push the buttons, as this may damage the

remote controller.

• Never block or cover the indoor or outdoor unit’s intakes or outlets.

Disposing of the unit

• When you need to dispose of the unit, consult your dealer.

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Zuba-Central controller

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How to use the Zuba-Central controller

Screen Configuration

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Screen Types

For details on setting the language for the remote controller display, refer to
section 8. Function Selection.
The initial language setting is English.

• Function Selection of remote controller:

Set the functions and ranges available to the remote controller (timer

functions, operating restrictions, etc.)

• Set Day/Time

Set the current day of the week or time.

• Standard Control Screens

View and set the air conditioning system’s operating status

• Timer Monitor

View the currently set timer (weekly timer, simple timer, or Auto Off

timer)

• Timer Setup

Set the operation of any of the timers (weekly timer, simple timer, or Auto

Off timer).

How to change the screen

A. Hold down both the Mode button and the Timer On/Off button for 2

seconds.

B. Press the Timer Menu button.
C. Press the Mode (Return) button.
D. Press either of the Set Time buttons (Back or Ahead)

To return to main screen
Hold down both the Mode button and the Timer On/Off button for 2
seconds.

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