Operation Mode Selection Control - Toshiba MMY-MAP0806HT8(J)P Service Manual

6-2-9. Operation Mode Selection Control

NOTE
SW1: COOL mode selection switch
SW2: HEAT mode selection switch
Input signal
COOL (SW1)
ON
OFF
OFF
* The display
"
Indoor unit operation intervention function
The statuses of indoor units operating in a mode different from the selected operation mode can be changed by
changing the status of a jumper wire (J01) provided on the interface P.C. board of the header outdoor unit.
Jumper lead
Unallowed indoor units in a mode other than the selected operation mode
are not treated as priority (thermostat OFF state).
(Unallowed indoor units)
J01 connected
(factory
default)
Indoor units in a mode other than the selected operation mode are forcibly
switched to the selected operation mode.
J01 cut
The optional P.C. board should be connected to the header outdoor unit (U1).
AMP Air Conditioning
Header outdoor unit
Connection
Outdoor unit
cable
interface PCB
C N 5 1 0
SW1: Cooling mode specified input switch
SW2: Heating mode specified input switch
Operation
HEAT (SW2)
Only cooling
OFF
operation allowed
Only heating
ON
operation allowed
OFF Normal operation
Operation mode selection control in progress)" appears on the remote controller
(
Details of Processing
Operation
Operation State
Mode
Air blow operation at fan speed
Cooling
set on remote control
Air blow operation at ultra-low
Heating
fan speed
Regular air blow operation at fan
Fan
speed set on remote control
PC board
selection Remote control operation/display
mode
Normal
, , , or
Only , , or
Cool
selected
Heat
Only or can be selected
Locally procured
Optional PCB
TB1
COM
P J 1 7 COOL
HEAT
Shield
wire
Remarks
*
*
Remote control
, indicator is
displayed.
can be selected When using the remote
control, (mode
can be
select control)
indicator is displayed.
− 101 −
SW1
SW2
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