Section 5 – Set up
NOTE!
A log of all the settings can be made using the Settings Log table in Section 10.
WARNING:
After completion, the system must not pose any safety, health or environmental hazards.
The manufacturer cannot be held liable for any systems that are not correctly installed and set.
Section 6 – Control / Service menu
6 Control
The unit is controlled using the buttons and display on the front of the unit.
Additional external sensors (optional) and duct heaters (Natural Air 180 PH model only) can be connected.
WARNING:
Do not use the unit if it is visibly damaged. Disconnect the unit from the power supply and notify
your installer.
6.1 Display and control panel on the unit
The unit uses a 3 button control panel with a back lit
text display giving menu-driven operations.
Navigate through the menu structure within one level
using the and buttons. Select the required menu
item using the
OK
button. Hold the button pressed
for 1 sec. in order to switch to previous level.
Change the selected settings using the and buttons
and save the set value using the
OK
button. Hold the
button pressed for 1 sec. in order to exit the menu
item without saving changes.
1
LCD display
2
button: back / reduce
button for 1 sec: Level up
3
OK
button: select / save / level down
4
button: next / increase
Fig. 6.1 Display and control panel
6.1.1 Standard display
The standard display shows information on the current operating status of the ventilation unit.
Fig. 6.2 Standard display
22
Section 4 – Installation
4.5.7 Installation of the air-quality sensor (optional). (Optional Sensors Board Kit required)
An optional air-quality controller (AQS) can be used in order to control the ventilation unit automatically.
•
The AQS Controller (RXG Part N° 92097AA) is wall mounted and is supplied with a surface box.
Connect :
•
Terminals “
A1
” and “
A2
” in the
AQS controller
to
•
“
+
” terminal and “
0-10V
” terminal at AQS Sensor 1 in the
MVHR unit
WARNING!
The terminals “A1” and “A2” must
connect directly to the required
AQS Sensor 1 terminals in the
MVHR unit
NOTE!
The AQS Controller is separately
wired with its own L / N voltage
supply.
Fig. 4.11 Terminal diagram Externally mounted AQS Controller (92097AA)
AQS Controller operational notes :
•
The MVHR will run at a higher ventilation rate when the AQS controller indicator light is Red and Flashing.
•
The AQS controller run on timer option does not operate when used with the MVHR unit.
4.5.8 Installation of the smoke detector (optional)
To enable the safe cut-out of the ventilation system in case of fire, the ventilation unit can be connected to an
optional smoke detector with a volt free output.
Fig. 4.12A Smoke detector to Main Connector PCB
Fig. 4.12B Smoke detector to External Sensors PCB *
* Important:
Do not use the Smoke Detection input on the External Sensors PCB if a smoke detector device is
already connected to the Main Connector PCB.
19
