5 Maintenance and service
Installer and user reference guide
11
BRK+S7
Wired remote controller
4P513689-1D – 2019.05
3
Press
to confirm.
Result:
The heat reclaim ventilation unit changes its ventilation rate
and the controller returns to the home screen.
4.7
Advanced usage
The controller only allows for basic operation. For advanced
operation, use the Madoka Assistant app.
5
Maintenance and service
5.1
Overview: Maintenance and
service
When a system components needs maintenance or service, consult
your dealer. To indicate that maintenance is due, the controller
displays
on the home screen, and/or displays a warning screen
as soon as you press
to enter the main menu from the home
screen.
The following warning screens are related to indoor unit
maintenance:
Clean the indoor unit filter
Replace the indoor unit filter
Empty the indoor unit dustbox
—
6
Troubleshooting
6.1
Overview: Troubleshooting
When the system is in error, consult your dealer. To indicate system
error, the controller displays
on the home screen, and/or displays
an error screen as soon as you press
to enter the main menu
from the home screen.
Error screen (example)
6.2
Refrigerant leak detection
When the system detects a refrigerant leak, an alarm goes off. Stop
the alarm and consult your dealer.
6.2.1
To stop the leak detection alarm
1
Press
for 3 seconds to stop the alarm.
Result:
The alarm stops.
2
Consult your dealer.
For the installer
7
About the box
7.1
To unpack the controller
1
Open the box.
2
Separate the accessories.
a
b
1×
2×
a
Installation and operation manual
b
Wood wall plugs (Ø4.0×30)
8
Preparation
8.1
Wiring requirements
All wiring must comply with the following requirements:
Wire specification
Value
Type
Sheathed vinyl cord or cable (2
wires)
Section
0.75~1.25 mm
2
Maximum length
500 m
