NuAire mrXbox90S Installation And Maintenance Manual Download

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Error code

Cause

Action user

Action installer

The inlet fan has stopped. If the

•

Contact the installer

• Replace the inlet fan

imbalance is impermissible, the

outlet fan will stop as well

The outlet fan has stopped

• Contact the installer

• Replace the outlet fan

The temperature sensor that

• Contact the installer

• Check the wiring from the sensor

measures the temperature of

to the basic pcb

the input air is defective. The

• Check the sensor connection to

unit operates as normal

the wiring

• Replace the sensor

F10

The temperature sensor that

• Contact the installer

• Check the wiring from the sensor

measures the temperature of

to the basic pcb

the output air is defective. The

• Check the sensor connection to

unit operates as normal

the wiring

• Replace the sensor

Leaflet Number 671366 July 2007

Installation and Maintenance

mrXbox90S Mechanical Ventilation with Heat Recovery

8.0 Error code table

Summary of Contents for mrXbox90S

Page 1: ...tem 150 pa at 180 m3 h Filters supplied to be replaced post commissioning Coding mrXbox90S 1 2 Function components 1 Interior temperature sensor measures the temperature of the air from the dwelling 2...

Page 2: ...fact ory def ault settings Speed 1 Speed 2 Speed 3 X Watt age per fan Resist ance Duct Pressure P a 26 Flow R ate m3 h 42 86 Dimensional references 1 spigot to dwelling Supply warmed fresh air 2 spig...

Page 3: ...he right it shows the readout value for instance the preset volume Example The display now shows that the unit is running at ventilation setting 3 at a flow rate of 150 m3 h The four keys have the fol...

Page 4: ...allations current IEE regulations the regulations for connection to interior sewers in dwellings and residential buildings any additional regulations of the local utilities the installation instructio...

Page 5: ...ent fouling and draught Ducting references 1 to dwelling Supply warmed fresh air 2 to outside Exhaust cool stale air 3 from dwelling Extract warm stale air 4 from outside Intake cool fresh air 5 3 Con...

Page 6: ...Combination of a mechanical switch and a radio controlled RC transmitter It s possible to combine 2 RC transmitters with each other It s also possible to combine a mechanical switch with RC transmitt...

Page 7: ...ted with a pressure controlled filter indication and frost control For optimum performance of these features we recommend you initialise the unit This will ensure that the system pressure as function...

Page 8: ...ing 2 U3 setting 3 Settings U4 and U5 do not apply to this unit 3 Press key OK for 1 second to display the selected parameter value 4 The selected parameter value can be changed using keys or 5 The mo...

Page 9: ...cause some settings have an influence on the correct operation of the unit these have been placed in a separate installer parameters set Consequently these parameters can only be modified by the insta...

Page 10: ...s key F 1 second If no key is operated for 5 minutes Press key OK 1 second If no key is operated for 1 minute Press keys F and OK 3 seconds Press key or Press F or key 1 second Press F or key 1 second...

Page 11: ...r data and pressing key takes you back to step no 1 After 5 minutes this menu automatically disappears and the display will show the operational situation again In the event of an error the error code...

Page 12: ...red to modify the settings from operational mode By way of example parameter 8 bypass mode is changed from 1 to 2 1 Press key F for 3 seconds to activate the settings menu 2 Press keys F and OK for 3...

Page 13: ...display the LED on the switch will light up When the filters have been cleaned or replaced press the key OK to reset the filter indication The text FIL will blink for a moment and then the display wil...

Page 14: ...measures the temperature of to the basic pcb the input air is defective The Check the sensor connection to unit operates as normal the wiring Replace the sensor F10 The temperature sensor that Contact...

Page 15: ...th a new filter the filter indication must be reset by pressing key OK The display will blink for a moment to confirm that the filter has been reset The unit will return to operational mode 10 0 Repla...

Page 16: ...ithin the unit is considered Lifting gear such as slings or ropes must be arranged so as not to bear on the casing 3 3 Equipment stored on site prior to installation should be protected from the weath...

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