Panasonic WH-SXC09H3E8

136
12.23 External OFF/ON Control
 Communication circuit between indoor unit and external controller is as per below.
External
Controller
Panasonic
PCB
CN-THERMO
5V
12V
1
2
mico
 Maximum length of communication cable is 50 meter.
 Control content:
External Control Switch Control Panel OFF/ON Control Panel Power LED System Status
ON ON ON ON
ON OFF OFF OFF
OFF ON ON OFF
OFF OFF OFF OFF
Remocon Screen Display and Control Detail:
REMOTE
ON
ON ON
ON
OFF
OFF
UNIT
OFF
OFF
OFF
ON
CONTROLLER
LE
D
REMOTE
CONTROLLER
SIGNA
L
EXTERNA L
CONTROLLER
SWITCH
23
1
44
40
10:34am , Mon
18
˚
c
˚
c
˚
c
˚
c
2
Turnedoffbyexternalswitch.
CANCEL
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.