Operation Mode Selection Control - Toshiba MMY-MAP0804HT8JP Service Manual

6-8-6. Operation Mode Selection Control

SW1: Cooling mode specified input switch
SW2: Heating mode specified input switch
NOTE
SW1: COOL mode selection switch
SW2: HEAT mode selection switch
Input signal
COOL (SW1) HEAT (SW2)
ON
OFF
OFF
* The display Operation mode selection control in progress)" appears on the remote controller
" (
Indoor unit operation intervention function [only supported by SMMS-i (4 series)]
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.
J u m p r e i w e r
All indoor units operating in a mode different from the selected operation mode (prohibited-mode indoor units)
become non-priority units (thermostat OFF).
Prohibited-mode indoor units
J01 connected
(factory default)
The selected operation mode is imposed on all indoor units operating in a different mode.
J01 cut
The optional P.C. board should be connected to the header outdoor unit (U1).
Header outdoor unit
Connection
Outdoor unit
cable
interface PCB
C N 5 1 0
Operation
Only cooling
OFF
operation allowed
Only heating
ON
operation allowed
OFF Normal operation
O p r e t a o i n m o d e
COOL Fan operation at air flow rate set via remote controller
HEAT Fan operation at extremely low air flow rate
Fan operation at air flow rate set via remote controller as
FAN
normal
Mode selected at P.C. board
Normal
COOL
HEAT
Locally procured
Optional PCB
TB1
COM
P J 1 7 COOL
HEAT
Shield
wire
Remarks
*
*
D e c s i r t p o i n f o n i e t v r e t n
O p r e t a o i n s a t u t s
Remote controller operation / display
All modes (COOL, DRY, HEAT and
FAN) available
Only COOL, DRY and FAN available "
Only HEAT and FAN available
– 112 –
SW1
SW2
o i n
Remote controller
display
" " operation ready
operation mode control"
(turned on during remote
controller operation)