87
7-2-2-5. Night Operation Control
Operation
The noise decreases in the night.
Terminal
COOL
(SMC)
Input signal
ON
OFF
ON
OFF
Operation
Night (sound reduction)
operation control
Usual operation
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
following table.
1201 type
1001 type
0801 type
0601 type
0501 type
(Against Max. capacity)
External master ON/OFF control board : TCB-PCM02E
Outdoor unit destination to be connected becomes the header outdoor unit (U1).
Night operation sound
reduction dB (A)
50
50
50
50
50
Capacity
COOL HEAT
Approx. 55% Approx. 45%
Approx. 65% Approx. 55%
Approx. 80% Approx. 70%
Approx. 75% Approx. 70%
Approx. 85% Approx. 80%
7-2-2-6. Operation Mode Selection Control
Operation
SMC: COOL mode specification input switch
SMH: HEAT mode specification input switch
This control can be operated with the operation mode which is
permitted by SMC or SMH.
The indoor unit operating by operation mode without permission
is as follows:
1) Display on remote controller
“Mode select controlled” goes on.
2) Indoor fan
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
External master ON/OFF control board : TCB-PCM02E
Outdoor unit destination to be connected becomes the header
outdoor unit (U1).
CN508 (4P RED)
Header outdoor unit interface P.C. board
Connection cable
External master
ON/OFF
control board
PJ17
(4P WHI)
SMC
HEAT
COOL
COM
Procured locally
CN510 (4P WHI)
Header outdoor unit interface P.C. board
Connection cable
External master
ON/OFF
control board
PJ17
(4P WHI)
SMC
HEAT
COOL
COM
Procured locally
SMH
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