Toshiba MCY-MHP0404HT-E Engineering Data Book page 37

5
Outdoor unit
Model
Appearance
name
Size : 55.5 x 60 (mm)
Application
* Installation the optional PCB
in the interface board of the
outdoor unit.
▼ Sound reduction and approximation capacity (reference)
During low-noise mode
Outdoor unit
dB(A)
(base unit)
Cooling
Model 0404* 47
Model 0504* 47
Model 0604* 50
* Position of noise measuring device: 1 m from the front face of the set and 1.5 m
above ground (anechoic sound)
[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.
Connection cable
(attached in this
Outdoor unit
Optional PCB
optional PCB)
interface PCB
CN510
P J 1
SW1: Cooling mode specified input switch
SW2: Heating mode specified input switch
Input Signal
Cooling (SW1) Heating (SW2)
ON
OFF
OFF
Each terminal should be connected to dry contact.
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
P.C. board
Normal
COOL
HEAT
36
Function
Capacity
Heating Cooling
50 approx. 85 % approx. 95 %
50 approx. 80 % approx. 80 %
50 approx. 80 % approx. 70 %
Locally procured
TB1
COM
7 COOL
SW1
HEAT
SW2
Shield
wire
Operation: Selected operation mode
OFF Cooling operation only
ON Heating operation only
OFF Normal operation
Description of intervention
(operation ready)" appears on the remote controller
Remote controller operation / display
All modes (COOL,
DRY, HEAT and FAN)
available
Only COOL, DRY
and FAN available
Only HEAT and FAN
available
Heating
Relative to
maximum
capacity
" operation mode
control" (turned on
during remote
controller operation)