19
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Configuration
Installer and user reference guide
125
RYYQ+RYMQ+RXYQ
VRV IV+ heat pump
4P546228-1C – 2021.11
19.2.5 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:
3
Push BS2 10 times.
Result:
Mode 1 setting 10 is addressed:
4
Push BS3 one time; the value which is returned (depending on the actual field
situation), is the amount of indoor units which are connected to the system.
Result:
Mode 1 setting 10 is addressed and selected, return value is
monitored information
5
To quit mode 1, push BS1 one time.
19.2.6 To use mode 2
The master unit should be used to input field settings in mode 2.
Mode 2 is used to set field settings of the outdoor unit and system.
What
How
Changing and accessing the
setting in mode 2
Once mode 2 is selected (push BS1 for more
than 5 seconds), you can select the wanted
setting. It is done by pushing BS2.
Accessing the selected setting's value is done by
pushing BS3 1 time.
To quit and return to the initial
status
Press BS1.
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