External Off/On Control - Panasonic WH-SDC03H3E5 Service Manual

12.23 External OFF/ON Control


Communication circuit between indoor unit and external controller is as per below.

Maximum length of communication cable is 50 meter.

Control content:
External Control Switch
ON
ON
OFF
OFF
Remocon Screen Display and Control Detail:
REMOTE
CONTROLLER
LED
REMOTE
CONTROLLER
SIGNA
EXTERNA
CONTROLLER
SWITCH
UNIT
When External SW connection select "YES" from remocon installer menu:
Heating or Cooling system will operate normally if the External Switch signal is ON.
-
Once the External Switch turn OFF, System Turn OFF ( Heat pump, water pump, heater etc...)
-
Remocon LED remain ON or OFF according to the current operation request.
-
Pop up menu at remocon main screen as above screen to inform customer system stop by External Switch.
-
It is possible to press cancel and return to main screen to do change of operation setting while waiting the
-
External Switch turn ON back.
Remocon LED will always follow the latest changes from remocon.
-
If no action on remocon for continuous 5 minutes, the pop up screen will show again on the screen.
-
But once the External Switch Turn ON back, pop up screen will dsappear and system can operate normally
-
according to the latest operation setting and request.
5V
12V
mico
Panasonic
PCB
Control Panel OFF/ON
ON
OFF
ON
OFF
Turned off by external switch.
ON
OFF
ON
L
ON
L
ON
OFF
External
Controller
1
2
CN-THERMO
Control Panel Power LED
ON
OFF
ON
OFF
10:34am , Mon
1 2
40
23 44
CANCEL
c c
18
˚ ˚
ON
OFF
OFF
118
System Status
ON
OFF
OFF
OFF
c
˚
c
˚
OFF