(10) Outdoor operation mode
On the standard models of 2-pipe system, the outdoor operation mode of Stop/Cooling/Heating is selected based on the
information of indoor units, and then respective controls are performed.
<Contents of control>
(a)
Determination of outdoor operation mode
Operation mode of outdoor unit is determined based on respective signals of Operation/Stop and Cooling/Heating.
(b) Type of outdoor operation mode
1) Outdoor operation mode - Stop
2) Outdoor operation mode - Cooling
3) Outdoor operation mode - Heating
(c) Priority in operation mode selection
1) First priority is given to the forced cooling/heating operation.
2) Second priority is given as follows
Priority in the operation mode selection can be changed using the 7-segment setting [P01].
・
roodtuo eht fo pots retfa emit tsrfi detarepo si hcihw tinu roodni eht fo edom noitarepO :edom noitarepo s’tinu tsriF
unit operation mode
・
emit tsal eht ta detarepo si hcihw tinu roodni eht fo edom noitarepO :edom noitarepo s’tinu tsaL
・
Priority of master unit’
-llams si .oN sserdda eht hcihw fo tinu roodni fo edom noitarepO :edom noitarepo gnittes s
est (Master indoor unit). When the master indoor unit is turned off,
it become valid the first push priority on other indoor units’ remote
controls.
P01 setting Mode
0 (Factory default)
First unit’s operation mode
1 Last unit’s operation mode
2
Priority of master unit’s setting operation mode
3 Priority of required major operation mode
Pump down external input
Emergency call => External oper : Opened
Alarm unit
Gas leakage
Pump down
oper
on
Activate by 7-segment:[P75]=“1”
E63
<==
Indoor unit 0 Stop Cooling Heating “Invalid operation” lamp flickers. Fan
ON ON
Indoor unit 1 Stop Cooling Cooling
ON
③
When it is changed from same mode to unmatch.
④
Operation mode is prepared for change in the fan mode.
<Last unit’s operation mode>
①
If the indoor unit 1 of which operation mode is different has joined in when the indoor units 0 is operating.
<Priority of required major operation mode>
Indoor unit 0 Stop Fan Fan
ON
Indoor unit 1 Stop Heating Heating
ON
Indoor unit 0 Stop Cooling “Invalid operation” lamp flickers. Fan
ON
Indoor unit 1 Stop Heating Heating
ON
Outdoor operation mode
Indoor unit P90
(Cooling)
Indoor unit P80
(Heating)
Indoor unit P80
(Heating)
ON
Cooling
Heating
OFF
ON
Unmatched
⇒
Fan mode
Unmatched
⇒
Fan mode
Thermostat ON
ON
OFF
・
Priority of required major operation mode:
si stinu roodni gnitarepo fo yticapac latot eht hcihw fo edom noitarepO
larger. There is no renewed judgment for 10 minutes after a change on the
operation mode.
The judgment, however, is renewed in following cases.
At the stop
When the P01 setting is changed.
3)
ro tsrfi eht gnitceles yb stinu roodtuo dna stinu roodni neewteb tsol si edom noitarepo fo tnemeerga taht tneve eht nI
second priority after determining the operation mode, it is changed forcibly to the “Fan” mode. The operation mode
LCD flickers to warn the “Mode unmatch”
4) Example of operation mode selection
<First unit’s operation mode>
①
If both of indoor units 0 and 1 have the same operation mode, it operates with the mode.
ON
②
Cooling does not match on indoor units 0 and 1 (Priority is given to previous operation.)
0 Indoor unit 0Indoor unit 0 Indoor unit
ON
Cooling
Indoor unit 1Indoor unit 1
Indoor unit 0
ON
top Indoor unit 1 Stop
ON
tS po
pot potS
pot potS
Cooling
Cooling
Cooling
Heating "Invalid operation" lamp flickers.
Cooling
Fan
-
195
-
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