Power Peak-Cut Control (Extended) - Toshiba MMY-MAP0804HT8JP Service Manual

<SW07 Bit 2 OFF (two-step control)>
Power peak-cut control is enabled as long as SW1, as shown on the wiring diagram, is ON (continuously).
Jumper wire Input
J16 SW1
OFF
Cut
ON
Note 1: Specifications of display relay contact
• The terminal for display output ([Operation] terminal) must satisfy the following electrical rating.
<Electrical Rating>
220 to 240 VAC, 10 mA or more, 1 A or less
24 VAC, 10 mA or more, 1 A or less (non-conductive load)
When connecting a conductive load (e.g. relay coil) to the display relay load, insert a surge killer CR (for an AC
power supply) or a diode for preventing back electromotive force (for a DC power supply) on the bypass circuit.
The optional P.C. board should be connected to the header outdoor unit (U1).

6-8-2. Power peak-cut Control (Extended)

Header outdoor unit
Outdoor unit
interface PCB
SW07
ON
OFF
1 2 3 4
Bit 2 ON
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*1
SW2: Power peak-cut control OFF switch*1
*1 The inputs of SW1 and SW2 can be either pulse (100 msec or wider) or step signals.
* Be sure to provide a contact for each terminal.
Extended power peak-cut control settings
Specifications of display relay contact
External power peak-cut control
Indication lamp
L 1 S W 1
OFF OFF
ON ON
ON OFF
ON ON
Note 1: Specifications of display relay contact
• The terminal for display output ([Operation] terminal) must satisfy the following electrical rating.
<Electrical Rating>
220 to 240 VAC, 10 mA or more, 1 A or less
24 VAC, 10 mA or more, 1 A or less (non-conductive load)
When connecting a conductive load (e.g. relay coil) to the display relay load, insert a surge killer CR (for an AC
power supply) or a diode for preventing back electromotive force (for a DC power supply) on the bypass circuit.
The optional P.C. board should be connected to the header outdoor unit (U1).
B t i 1 O
0% (forced stop)
100% (normal operation)
Optional PCB
Display
relay
PJ17
CN513
COM
COM
Connection cable
signals
S W 2
OFF
OFF
ON
ON
S W 0 7 B t i 1
F F
60% capacity (upper limit regulated)
100% (normal operation)
L1: Display lamp suring power peak cut control
Locally procured
TB1
Shield wire
[OPERATION]
TB2
[ON]
ON
[OFF]
OFF
Shield wire
For SW1 and SW2, be sure to provide
no-voltage contacts for each terminal.
Peak capacity
I/F SW07 Bit 1
O F F
100% (normal operation)
80% (upper limit regulated)
60% (upper limit regulated)
0% (forced stop)
– 109 –
n I d
B t i 1 O N
Power
supply
L1
SW1
SW2
O N
100% (normal operation)
85% (upper limit regulated)
75% (upper limit regulated)
60% (upper limit regulated)
c i t a r o e r a l y
L ( ) 1
OFF
ON