Toshiba MCY-MUG0401HSW-E Service Manual page 70

Outdoor DN Code
(O.DN)
Unauthorized indoor units in a mode other than the P.C.board selection modes are not treated as priority
(thermostat OFF state).
P.C. board
selection mode
O.DN [008] = 0
(factory default)
operation only
Heating
operation only
Only operation modes and air blow operation selected on the P.C.board can be selected on the remote
controller.
When the input signal is turned ON, indoor units operated in a mode other than the P.C.board selection
mode are forcibly switched to the P.C.board selection modes.
P.C. board
selection mode
O.DN [008]= 1
• COM terminals have DC12 V output with a basic insulation. Use a switch, such as a relay or photocoupler,
insulated from a controller (locally procured) for CO (Change-Over) contact or NO (normally-open) contact.
• DC12 V has a current-limiting resistor of 3.3kΩ.
• For non-voltage contacts, use a relay with minimum applicable load of DC12V,3mA or less.
Input Signal
COOL COOL
(SW1) (SW1)
Normal OFF OFF
Cooling
ON OFF
allowed
OFF ON
allowed
Input Signal
COOL COOL
(SW1) (SW1)
Normal OFF OFF
COOL ON OFF
HEAT OFF ON
Details of Processing
Remote
control
or
Follow the remote controller.
Follow the remote controller (Normal cooling
or
Thermostat OFF (Air blow operation at
Follow the remote controller (Normal air blow
Thermostat OFF (Air blow operation at blow rate
or
Follow the remote controller (Normal heating
Follow the remote controller (Normal air blow
Remote control
, , or
• Only , , or can be selected.
• Indoor units in Heat mode are forcibly
switched to the Cool mode.
• Only or can be selected.
• Indoor units in Cool or Dry mode are
forcibly switched to the Heat mode.
69
Operation State
operation).
super-slow blow rate)
operation).
set on remote control)
operation).
operation).
When using the
remote control,
(mode select
control) indicator is
displayed.