By utilizing this function, the cooling or heating operation mode can be changed by giving a contact signal
from the outside to the unit. The operation mode is followed by the field-supplied switch or the remote
control switch, which is used last.
(In Case of “Cooling or Heating Operation Mode Setting Change by External Input” Signal Input to )
COOL
HEAT
X1
Power
Source
Control Circuit
Signal to
Heat
Cool
Operation Mode of Unit Heat
Cool
Control by R.C.S (Cool)
Control by R.C.S (Heat)
NOTES:
1. This function can not be used together with the following functions; “Remote Control ON/OFF Function 2”,
and “Cancellation of Commands from Remote Control Switch after Forced Stoppage”.
2. Remote Control Switch is required for this function.
6 .4.3 Cooling or H eating Operation Mode Setting
(Setting indication 07)
Terminal board
COM
X1
Wiring Diagram Example
Time Chart
30
