Configuration; Making Field Settings; About Making Field Settings; To Access The Field Setting Components - Daikin LRYEN-AY1 Installation And Operation Manual

INFORMATION
After charging, add the total amount of refrigerant to the
name plate on the front panel of the unit.
16

Configuration

INFORMATION
It is important that all information in this chapter is read
sequentially by the installer and that the system is
configured as applicable.
DANGER: RISK OF ELECTROCUTION
16.1

Making field settings

16.1.1

About making field settings

To configure the outdoor unit and capacity up unit, you must give
input to the main PCB (A1P) of the outdoor unit and capacity up unit.
This involves the following field setting components:
▪ Push buttons to give input to the PCB
▪ A 7-segment display to read feedback from the PCB
▪ DIP switches to set the target evaporating temperature for the
refrigeration side
16.1.2

To access the field setting components

You do not have to open the complete electrical component box to
access the field setting components.
1 Open the front panel (middle front panel in case of outdoor
unit). See "12.2.1 To open the outdoor
2 Open the inspection hole cover (left), and turn OFF the
operation switch.
3 Open the inspection hole cover (right), and make the field
settings.
a
d e
d
OFF
a Outdoor unit
b Capacity up unit
c1 Inspection hole
c2 Inspection hole cover
d Operation switch (S1S)
e

Field setting components

7‑segment displays: ON (
e1
e2 Push buttons:
BS1: MODE: For changing the set mode
BS2: SET: For field setting
BS3: RETURN: For field setting
e3 DIP switches
4 After making the field settings, reattach the inspection hole
covers and the front plate.
LRYEN10A7Y1+LRNUN5A7Y1
CO₂ Conveni-Pack outdoor unit and capacity up unit
4P605461-1B – 2020.08
unit" [ 4 14].
c1
b
d e
c2
e
e1
e2
DS1 DS2
e3
ON ON
OFF OFF
1 2 3 4 1 2 3 4
) OFF ( ) Flashing ( )
NOTICE
Close the cover of the electrical component box before
turning ON the power.
16.1.3 Field setting components
DIP switches
Use DS1 to set the target evaporating temperature for the
refrigeration side. Do NOT change (a).
DS1 DS2
ON ON
OFF OFF
1 2 3 4 1 2 3 4
DS1
ON
OFF
1 2 3 4
ON
OFF
1 2 3 4
ON
OFF
1 2 3 4
ON
OFF
1 2 3 4
ON
OFF
1 2 3 4
Push buttons
Use the push buttons to make the field settings. Operate the push
buttons with an insulated stick (such as a closed ball-point pen) to
avoid touching of live parts.
7-segment display
The display gives feedback about the field settings, which are
defined as [Mode-Setting]=Value.
Example:
16.1.4

To access mode 1 or 2

After the units are turned ON, the display goes to its default
situation. From there, you can access mode 1 and mode 2.
16 Configuration
a
Evaporating temperature
–10°C (factory setting)
–20°C
–15°C
–5°C
0°C
Description
Default situation
Mode 1
Mode 2
Setting 8
(in mode 2)
Value 4
(in mode 2)
Installation and operation manual
33