Power Peak-Cut Control (Standard) - Toshiba MCY-MHP0806HT8-C Series Service Manual

7-3-2. Power peak-cut control (standard)

Outdoor unit
Outdoor unit
interface PCB
SW07
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 wider) 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
Two-core cable support
It allows ON / OFF power peak-cut control to be implemented using a power peak-cut control ON input (SW1)
alone, provided that the J20 jumper wire on the interface P.C. board of the outdoor unit has been removed.
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
Outdoor unit
Display
interface PCB
relay
J20 Cut
PJ17
CN513
SW07
Bit 2 OFF
Connection cable
L1: Display lamp ensuring power peak cut control
Locally procured
L1
TB1
Shield
TB2
wire
[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 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
Locally procured
TB1
[OPERATION]
Shield wire
TB2
COM
[ON]
ON
COM Shield wire
[OFF]
OFF
40
56
Power
supply
SW1
SW2
SW2
S W 0 7 B t i 1
60 % capacity (upper limit regulated)
100 % (normal operation)
Power
supply
L1
SW1
O N