Power Peak-Cut Control (Standard); Four-Core Cable Support; Power Peak-Cut Control Settings; Two-Core Cable Support - Toshiba MMY-MAP0806HT8P Service Manual

6-2-4. Power peak-cut Control (Standard)

(1) Four-core cable support

Header outdoor unit
Outdoor unit
interface PCB
SW07
ON
OFF
1 2 3 4
Bit 2 OFF
Operation
An external power peak-cut control signal limits the peak capacity of the outdoor unit.
L1: Power peak-cut control indication lamp
SW1: Power peak-cut control ON switch (ON as long as target power peak-cut control has been reached or
exceeded, normally OFF)*1
SW2: Power peak-cut control OFF switch (OFF as long as target power peak-cut control has not been reached or
exceeded, normally ON)*1
* 1 The inputs of SW1 and SW2 can be either pulse (100 msec or longer) or step signals.
Do not turn on SW1 and SW2 simultaneously.
* Be sure to provide a contact for each terminal.

Power peak-cut control settings

Power peak-cut control P.C.
board
Power peak-cut control ON
signal received
Power peak-cut control OFF
signal received

(2) Two-core cable support

SMMS-e models allows ON/OFF power peak-cut control to be implemented using a power peak-cut control ON
input (SW1) alone, provided that the J16 jumper wire on the interface P.C. board of the header outdoor unit has
been removed.
Header outdoor unit
Optional PCB
Display
relay
[OPERATION]
PJ17
CN513
COM
ON
COM
OFF
Connection cable
SW1 SW2 L1
ON OFF ON
OFF ON OFF
Optional PCB
Display
Outdoor unit
relay
interface PCB
J16 Cut
CN513
SW07
ON
OFF
1 2 3 4
Bit 2 ON
Connection cable
L1: Display lamp ensuring power peak cut control
Locally procured
L1
TB1
Shield
wire
TB2
[ON]
SW1
[OFF]
Shield
wire
For SW1 and SW2, be sure to provide no-
voltage contacts for each terminal.
The input signals of SW1 and SW2 may be pulse
input (100 msec or more) or continuous make.
Interface P.C. board of header outdoor unit
S W 0 7 B t i 1 O F F
0% (forced stop)
100% (normal operation)
L1: Display lamp ensuring power peak cut control
TB1
Shield wire
[OPERATION]
PJ17
TB2
COM
[ON]
ON
COM
Shield wire
[OFF]
OFF
− 98 −
Power
supply
SW1
SW2
SW2
S W 0 7
60% capacity (upper limit regulated)
100% (normal operation)
Locally procured
Power
supply
L1
SW1
B t i 1 O N