Operation Mode Selection Control - Toshiba MCY-MHP0404HS-E Service Manual

7-3-7. Operation mode selection control

NOTE
SW1: COOL mode selection switch
SW2: HEAT mode selection switch
Input signal
COOL (SW1)
ON
OFF
OFF
* The display Operation mode selection control in progress)" appears on the remote controller
" (
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 outdoor unit.
Jumper wire
All indoor units operating in a mode different from the selected
operation mode (prohibited-mode indoor units) become non-priority
J01 connected
units (thermostat OFF).
(factory default)
The display "
of prohibited-mode indoor units.
J01 cut The selected operation mode is imposed on all indoor units operating
in a different mode.
Mode selected at
AMP Air Conditioning
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
Description of intervention
(operation ready)" appears on the remote controller
Remote controller operation / display
P.C. board
All modes (COOL,
Normal DRY, HEAT and FAN)
available
Only COOL, DRY
COOL
and FAN available
Only HEAT and FAN
HEAT
available
Locally procured
Optional PCB
TB1
COM
COOL
P J 1 7
HEAT
Shield
wire
Remarks
*
*
" operation mode
control" (turned on
during remote
controller operation)
44
60
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SW1
SW2