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7 Configuration
a
Power ON
b
Default situation
c
LED indication when there is a malfunction
If the default situation is not displayed after 10~12 minutes, check
the malfunction code. Solve the malfunction code accordingly.
Switching between modes
Use BS1 to switch between the default situation, mode 1 and
mode 2.
a
b
c
a
Default situation (H1P OFF)
b
Mode 1 (H1P flashing)
c
Mode 2 (H1P ON)
BS1
Press BS1.
BS1 [5 s]
Press BS1 for at least 5 s.
INFORMATION
If you get confused in the middle of the process, press BS1
to return to the default situation.
7.2.5
To use mode 1
In mode 1 (and in default situation) you can read out some
information.
Example: 7‑LEDs display – Default situation
You can read out the status of low noise operation as follows:
#
Action
1
Make sure the LEDs are
showing the default situation.
2
Check the status of LED
H6P.
Example: 7‑LEDs display – Mode 1
See
"11.3.1 To display the error codes of the latest malfunctions" on
page 30.
7.2.6
To use mode 2
In mode 2 you can make field settings to configure the system.
Example: 7‑LEDs display – Mode 2
You can change the value of setting [2‑8] (= T
temperature) to 4 (= –4°C) as follows:
#
Action
1
Start from the default
situation.
2
Select mode 2.
3
Select setting 8.
("X×" depends on the setting
that you want to select.)
Installer and user reference guide
26
Button/display
(H1P OFF)
H6P OFF: Unit is currently
not operating under low noise
restrictions.
H6P ON: Unit is currently
operating under low noise
restrictions.
target evaporating
e
Button/display
BS1 [5 s]
BS2 [X×]
(= binary 8)
#
Action
4
Select value 4 (= –4°C).
a: Display the current value.
b: Change to 4. ("X×"
depends on the current
value, and the value that you
want to select.)
c: Enter the value in the
system.
d: Confirm. The system starts
operating according to the
setting.
5
Quit mode 2.
7.2.7
Mode 1 (and default situation): Monitoring
settings
In mode 1 (and in default situation) you can read out some
information.
7‑LEDs display – Default situation (H1P OFF)
You can read out the following information:
Value / Description
H6P
Shows the status of low noise operation.
OFF
Unit is currently not operating under low noise
restrictions.
ON
Unit is currently 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 a low noise
switch needs to be installed (see
electrical wiring on the outdoor unit" on
7‑LEDs display – Mode 1 (H1P flashing)
You can read out the following information:
Setting
(
)
[1‑14]
Shows the latest malfunction
code.
[1‑15]
Shows the 2nd last malfunction
code.
[1‑16]
Shows the 3rd last malfunction
code.
Button/display
a
BS3 [1×]
b
BS2 [X×]
c
BS3 [1×]
d
BS3 [1×]
BS1 [1×]
"6.8.5 To connect the
page 23).
Value / Description
For more information, see
"11.3 Solving problems based on
error codes" on
page 30.
LRMEQ3+4AY1
Air-cooled refrigeration condensing unit
4P442131-1 – 2016.03
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Table of Contents
Troubleshooting
