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Configuration
Installer and user reference guide
131
REMA5+REYA8~20A7Y1B
VRV 5 heat recovery
4P687640-1 – 2022.07
On
In case of malfunction, the malfunction code is displayed on the indoor unit user
interface and the outdoor unit 7‑segment display. Solve the malfunction code
accordingly. The communication wiring should be checked at first.
Access
BS1 is used to switch between the default situation, mode 1 and mode 2.
Access
Action
Default situation
Mode 1
Push BS1 one time.
7‑segment display indication changes to:
.
Push BS1 one more time to return to the default
situation.
Mode 2
Push BS1 for at least 5 seconds.
7‑segment display indication changes to:
Push BS1 one more time (shortly) to return to the
default situation.
INFORMATION
If you get confused in the middle of the process, push BS1 to return to the default
situation (no indication on 7‑segment displays: blank, see
130].
21.1.5 To use mode 1
Mode 1 is used to set basic settings and to monitor the status of the unit.
What
How
Changing and accessing the
setting in mode 1
Once mode 1 is selected (push BS1 one time),
you can select the wanted setting. It is done by
pushing BS2.
Accessing the selected setting's value is done by
pushing BS3 one time.
To quit and return to the initial
status
Press BS1.
Example:
Checking the content of parameter [1‑10] (to know how many indoor units are
connected to the system).
[A‑B]=C in this case defined as: A=1; B=10; C=the value we want to know/monitor:
1
Make sure the 7‑segment display indication is in the default situation (normal
operation).
2
Push BS1 one time.
Result:
Mode 1 is accessed:
