Operating Rate Output - Toshiba MMY-MAP0806HT8(J)P Service Manual

6-2-9. Operating Rate Output

Header outdoor unit
Operation
At the output terminals, a signal is present (relay closed) or absent (relay open) in various combinations according
to the system operation factor, as shown in the diagram.
The operation rate (FA) is the percentage ratio of the current output of the system to the maximum output (100%).
Function SW16
System operation
ON
rate output
OFF
Bit 1: ON
Bit 2: OFF
off = Relay open
on = Relay closed
C2 Connector cable 2 ( 2 )
CN514 Connector on interface side (green)
K1, K2, K3
Relays
MONITOR Monitoring device
Output terminal for each function
OUTPUT1
Output terminal for each function
OUTPUT2
Output terminal for each function
OUTPUT3
PJ20 Connector on optional PCB side
TB1 Terminal block
* Connect the optional P.C. board to the header outdoor unit.
Note 1: Output Relay (K1, K2, K3) Contact Specifications
• Output terminals (OUTPUT1, 2, 3) must satisfy the following electrical rating.
• When connecting a conductive load (e.g. relay coil) to loads K1, K2 and K3, 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.
<Electrical Rating>
220-240 VAC, 10 mA or more, 1A or less
24 VAC, 10 mA or more, 1 A or less (non-conductive load)
Optional PCB
Outdoor unit
interface PCB
C2
SW16
PJ20
ON CN514
OFF
1 2 3 4
OUTPUT1
off
on
1 2 3 4
off
on
off
on
off
on
Locally procured
(See "NOTE")
TB1
1
K1
OUTPUT1
2
3
K2
OUTPUT2
4
5
K3
OUTPUT3
6
Shield
wire
OUTPUT2 OUTPUT3
off off
off off
on off
on off
off on
off on
on on
on on
− 79 −
MONITOR
Operation factor (FA)
FA=0%
< <
0% FA 20%
20% FA < 35%
<
35% FA 50%
<
50% FA 65%
<
65% FA 80%
<
80% FA 95%
95% FA