28
Wiring
NOTE
• The Direct-connected indoor unit without MCU like below picture, be sure to set their options to "Cooling only unit setting“
and then connect them to a low pressure gas pipe and a liquid pipe. This indoor unit only operate to cooling mode.
• If two or more indoor units are connected to a single port, switching between cooling and heating mode does not work
while in auto mode. It is recommended to select the cooling or heating mode.
MCU
Direct-connected indoor unit without MCU
(Connecting Only Low Pressure Gas Pipe / Liquid Pipe)
Connecting two or more
indoor units to a single port
Set to Cooling Only Unit
1. Check whether power is supplied or not.
– When the indoor unit is not plugged in, there should be additional power supply in the indoor unit.
2. The panel(display) should be connected to an indoor unit to receive option.
3. Enter mode to set option (
J
Detail method of entering option mode refer to indoor unit installation manual)
4. Set the 05 series installation option at SEG3 to '2' like this '052000 - 100000 - 20000 - 30000'.
(The default setting of an indoor unit 05 series installation is '050000 - 100000 - 20000 - 30000')
MISE EN GARDE
• En cas de réglage de l'unité sur le mode refroidissement exclusif, veillez à régler le SEG 9 (chauffe-eau) de la série 02
sur 0 lors de l'installation.
• Lorsque l'option de refroidissement uniquement est sélectionnée pour l'unité, aucun fonctionnement en mode
chauffage n'est possible lorsque le contrôleur (de la télécommande sans fil ou central) est réglé sur le mode chauffage.
CAUTION
• When setting the "Cooling only unit" option, be sure to set the SEG 9 (Hot water heater) of 02 Series installation to "0".
• When "Cooling only unit" option is set, heating operation is not performed when the controller (wireless
remote controller, central controller) is set to the heating mode.
Option No. : 05XXXX-1XXXXX-2XXXXX-3XXXXX
Option SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
Explanation
PAGE
MODE
Use of Auto Change Over
for HR only in Auto mode /
Cooling only unit setting
(When setting SEG3)
Standard heating
temp. Offset
(When setting
SEG3)
Standard cooling
temp. Offset
(When setting SEG3)
Standard
for mode change
Heating
९
Cooling
Remote
Controller
Display
Indication
and Details
Indication Details Indication Details Indication
Details
Indication Details Indication Details Indication Details
0
5
0
Follow product
option
0
0
0
0
0
1
1
Use Auto Change
Over for HR only
1
0.5
1
0.5
1
1.5
2
1
2
1
2
2
3
1.5
3
1.5
3
2.5
2
Cooling only unit
setting
4
2
4
2
4
3
5
2.5
5
2.5
5
3.5
6
3
6
3
6
4
7
3.5
7
3.5
7
4.5
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