Night Operation Control; Operation Mode Selection Control - Toshiba Super MMU-AP0091H Service Manual

7-2-2-5. Night Operation Control

Header outdoor unit interface P.C. board
External master
ON/OFF
control board
HEAT COOL

7-2-2-6. Operation Mode Selection Control

Header outdoor unit interface P.C. board
External master
ON/OFF
control board
HEAT COOL
SMH
Operation
The noise decreases in the night.
CN508 (4P RED)
Connection cable
PJ17
(4P WHI)
The control contents are accepted during leading and trailing of
the input signal.
(The status of leading and trailing should be held for 100mm. sec.
or more.)
Capacity criterion during night operation control
Capacity during control indicates values as described in the
COM
following table.
SMC
Procured locally
External master ON/OFF control board : TCB-PCM02E
Outdoor unit destination to be connected becomes the header outdoor unit (U1).
Operation
SMC: COOL mode specification input switch
SMH: HEAT mode specification input switch
This control can be operated with the operation mode which is
CN510 (4P WHI)
permitted by SMC or SMH.
Connection cable
The indoor unit operating by operation mode without permission
is as follows:
PJ17
(4P WHI)
1) Display on remote controller
2) Indoor fan
COM
External master ON/OFF control board : TCB-PCM02E
Outdoor unit destination to be connected becomes the header
SMC
outdoor unit (U1).
Procured locally
Terminal Input signal
ON
OFF
COOL
(SMC)
ON
OFF
Night operation sound
reduction dB (A)
1201 type
50
1001 type 50
0801 type
50
0601 type 50
0501 type
50
"Mode select controlled" goes on.
In FAN mode: Fan normally operates.
In COOL mode: Fan normally operates.
In HEAT mode: Fan operates with ultra low speed.
* Be sure to prepare a contact for each contact terminal.
Outside signal: No voltage serial contact
87
Operation
Night (sound reduction)
operation control
Usual operation
Capacity
COOL HEAT
Approx. 55% Approx. 45%
Approx. 65% Approx. 55%
Approx. 80% Approx. 70%
Approx. 75% Approx. 70%
Approx. 85% Approx. 80%
(Against Max. capacity)