Specifications
RXYQQ8~20T7Y1B
VRV IV System Air Conditioner
4P345099-1 – 2013.04
Installation and operation manual
37
14 Additional refrigerant charge
The amount of refrigerant to be added to the unit shall be written
on the included "Added refrigerant" plate and attached to the
rear side of the front cover.
15 Installation date and field setting
Be sure to keep record of the installation date on the sticker on
the rear of the upper front panel according to EN60335-2-40 and
keep record of the contents of the field setting(s).
15.2. Monitoring function and field settings
The operation of the outdoor unit can further be defined by changing
some field settings. Next to making field settings it is also possible to
confirm the current operation parameters of the unit.
Below relevant Monitoring mode (mode 1) and Field setting mode
(mode 2) settings are explained in detail. How to access them, how to
change the value of the settings and how to confirm them is
explained in "13. Making field settings" on page 28. In that chapter,
an example is given on how to make a setting. It is advised to check
this procedure before accessing, checking and changing below
settings.
Once the default situation of the segment indication is confirmed (see
"13. Making field settings" on page 28), the mode 1 and mode 2 can
be accessed.
Making settings is done via the master outdoor unit.
15.2.1. Mode 1
Mode 1 can be used to monitor the current situation of the outdoor
unit. Some field setting contents can be monitored as well.
Below the settings in mode 1 are explained.
[1-0]= shows whether the unit you check is a master, slave 1
or slave 2 unit
No indication=undefined situation
0=outdoor unit is master unit
1=outdoor unit is slave 1 unit
2=outdoor unit is slave 2 unit
Master, slave 1 and slave 2 indications are relevant in
multiple outdoor unit system configurations. The
allocation of which outdoor unit is master, slave 1 or
slave 2 are decided by the unit's logic.
The master unit should be used to input field
settings in mode 2.
[1-1]= shows the status of low noise operation
1=unit is currently operating under low noise
restrictions
0=unit is currently not operating under low noise
restrictions
Low noise operation reduces the sound generated by
the unit compared to nominal operating conditions.
Low noise operation can be set in mode 2. There are
two methods to activate low noise operation of the
outdoor unit system.
The first method is to enable an automatic low noise
operation during night time by field setting. The unit will
operate at the selected low noise level during the
selected time frames.
The second method is to enable low noise operation
based on an external input. For this operation an
optional accessory is required.
[1-2]= shows the status of power consumption limitation
operation
1=unit is currently operating under power
consumption limitation
0=unit is currently not operating under power
consumption limitation
Power consumption limitation reduces the power
consumption of the unit compared to nominal operating
conditions.
Power consumption limitation can be set in mode 2.
There are two methods to activate power consumption
limitation of the outdoor unit system.
The first method is to enable a forced power
consumption limitation by field setting. The unit will
always operate at the selected power consumption
limitation.
The second method is to enable power consumption
limitation based on an external input. For this operation
an optional accessory is required.
[1-5]= shows the current T
e
target parameter position
Refer to "15.3. Energy saving and optimum operation"
on page 40 for more details about the contents of this
value
[1-6]= shows the current T
c
target parameter position
Refer to "15.3. Energy saving and optimum operation"
on page 40 for more details about the contents of this
value
[1-10]= shows the total number of connected indoor units
It can be convenient to check if the total number of
indoor units which are installed match the total number
of indoor units which are recognized by the system. In
case there is a mismatch, it is advised to check the
communication wiring path between outdoor and indoor
units (F1/F2 communication line).
[1-13]= shows the total number of connected outdoor units (in
case of multiple outdoor system).
It can be convenient to check if the total number of
outdoor units which are installed matches the total
number of outdoor units which are recognized by the
system. In case there is a mismatch, it is advised to
check the communication wiring path between outdoor
and outdoor units (Q1/Q2 communication line).
[1-17]= shows the latest malfunction code.
[1-18]= shows the 2nd last malfunction code.
[1-19]= shows the 3rd last malfunction code.
When the latest malfunction codes were reset by
accident on an indoor unit user interface, they can be
checked again through this monitoring settings. For the
content or reason behind the malfunction code see
"15.5. Malfunction code list" on page 44, where most
relevant malfunction codes are explained. Detailed
information about malfunction codes can be consulted
in the service manual of this unit.
[1-40]= shows the current cooling comfort setting. See
"15.3. Energy saving and optimum operation" on
page 40 for more details about this setting.
[1-41]= shows the current heating comfort setting. See
"15.3. Energy saving and optimum operation" on
page 40 for more details about this setting.