NuAire MRXBOX-VSC Installation & Operating Instructions Manual Download Page 2

3.0 Operating MRXBOX-VSC

Using the Visual display screen will override any unit mounted

controls.

3.1 The Home Screen

3.2 The Settings Screen

2

Installation and Operating Instructions

MRXBOX-VSC

User Control

09. 03. 16. Leaflet Number 671703

Commissioning screens –

for systems set up. 

PIN controlled

Maintenance – used to 

reset filter change time

User Options

Access for User Guide

Diagnostics - used in the

event of a fault

Status Indication

Speed Indicator/

Adjustment

Outside Temperature

Filter Change Warning

Average Indoor 

Temperature

Access to Function 

Screens

Time

Summary of Contents for MRXBOX-VSC

Page 1: ...0 Installation INSTALLED ENVIRONMENT 0 40o C and up to 90 RH non condensing Caution The unit must be installed away from any direct source of heat e g radiators and not in areas where it would be subjected to steam or water spray The mounting surface must be free from vibration The unit is supplied with back box suitable for surface mounting see Figs 1 5 If semi recess final projection from wall i...

Page 2: ...ons MRXBOX VSC User Control 09 03 16 Leaflet Number 671703 Commissioning screens for systems set up PIN controlled Maintenance used to reset filter change time User Options Access for User Guide Diagnostics used in the event of a fault Status Indication Speed Indicator Adjustment Outside Temperature Filter Change Warning Average Indoor Temperature Access to Function Screens Time ...

Page 3: ...es Alternatively if NONE is selected the unit will stay at the speed chosen permanently Note The speed of the unit may also be controlled by other sensors fitted some of which may have built in run on functionality 4 4 Summer Bypass Summer Bypass When the weather is warm outside the unit will automatically go into summer bypass mode meaning the air coming into your home will not pass through the h...

Page 4: ...ad of going straight into full boost 4 6 Holiday Mode Holiday Mode Allows you to set the ventilation system to run at a minimum level while you are away You can adjust the number of days you are away for with a maximum of 21 days 4 Installation and Operating Instructions MRXBOX VSC User Control 09 03 16 Leaflet Number 671703 ...

Page 5: ...ation Part F ventilation and detailed in the Installation instructions for the unit Speed 3 is for purge ventilation and is recommended to be set to 100 Note Speed 2 cannot be adjusted to a lower value than speed 1 5 2 Frost Protection Frost Protection In the event of the outdoor temperature falling below a set rate to unit reduces the supply fan speed down to a minimum to prevent the unit freezin...

Page 6: ... task has been completed the feature can be reset from the maintenance screen to clear the icon Instructions on how to complete this task can also be found on this screen 7 0 Diagnostics Diagnostics If a fault is suspected the diagnostics screen can be accessed to view the status of the unit controls a cross indicates an issue In the case that the communication is lost to the unit a will be shown ...

Page 7: ...fans and air handling units supplied with the controller However some other products may not be so Please check the suitability of the fan unit before upgrading the existing user control to the MRXBOX VSC controller To check if the fan is suitable for upgrade please contact Nuaire with detail of the fan code and the serial number printed on the rating label 12 0 User Guide 7 Installation and Opera...

Page 8: ...lly CF83 1NA t 44 0 29 2085 8400 f 44 0 29 2085 8444 e info nuaire co uk www nuaire co uk As part of our policy of continuous product development Nuaire reserves the right to alter specifications without prior notice Telephone calls may be recorded for quality and training purposes ...

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