Toshiba MMU-AP0072H2UL Engineering Data Book page 90

5
Outdoor unit
Model
Appearance
name
Size: 2.19 × 2.35 (in)
Application
* Install the optional
PCB in the inverter
assembly of the
outdoor header unit.
[3] Operation mode selection control
Function
The heating/cooling mode of the system can be selected by connecting
to the interface PCB of outdoor units.
Operation
The outdoor unit connection is for the header unit (U1).
Header outdoor unit
Connection cable
(attached in this
Outdoor unit
interface PCB optional PCB)
CN510
SW1: Cooling mode specified input switch
SW2: Heating mode specified input switch
Input Signal
Cooling (SW1) Heating (SW2)
ON OFF
OFF ON
OFF OFF
Each terminal should be connected to dry contact.
The Switching of processing of Indoor Unit Operation State
Processing of the operation state can be switched for indoor units in a
mode other than the selected operation mode by setting the jumper lead
(J01) of the header outdoor unit interface PCB.
Jumper
lead
Unallowed indoor units in a mode other than the selected
operation mode are not treated as priority (thermo OFF state).
(Unallowed indoor units)
Operation
Mode
J01
connected
Cooling Air blow operation at blow rate
(factory
unit set on remote control
default)
Heating Air blow operation at super-slow
unit blow rate
Air blow Regular air blow operation at
unit blow rate set on remote control
Indoor units in a mode other than the selected operation mode
are forcibly switched to the selected operation mode.
PC board
selection mode
Normal
J01 cut
Cool
Heat
89
Function
Locally procured
Optional PCB
TB1
COM
COOL
P J 1 7
SW1
HEAT
SW2
Shield
wire
Operation: Selected operation
mode
Cooling operation only
Heating operation only
Normal operation
Details of Processing
Operation State
indicator is
displayed.
Remote control operation/display
, , , or can be
When using the
selected
remote control,
Only , , or can
(mode select
be selected
control) indicator
Only or can be
is displayed.
selected
Remote
control
,