Publicidad
UNISAB III
I/O MATRIX
I/0 Matrix
Rev.
17-06-2021
14
x: Always connected
∆: Optional
: Stages connected if unloading set to VSD Normal or VSD
Total
▲: Not VSD Normal or VSD Total
Evaporator level switch
13
Thermo Pump High (internal) (ref. 98C)
Thermistor (semi analog)
14
Digital Output
20x Digital Output
No.
Name
Compressor motor starting signal
1
Oil pump starting signal
2
Oil rectifier
Fan motor starting signal
Additional steps valve B
3
Water pump starting signal
P.O.V
4
Shutdown
5
Alarm
6
Aux. output
7
Oil pressure control for ballancing piston
PMS request
8
Capacity decrease
Unload plugvalve
Total unloading valve S1 / Capacity stage 1 (ref. Q42)
9
Additional steps valve A
Total unloading valve S2 (ref. Q43)
Hot gas bypass valve B
4849-961
HETH
X3
25
26
∆
∆
∆
∆
X3
25
26
∆
∆
∆
∆
X1
22
∆
∆
∆
∆
X3 27
28
Gnd NO NC
X12
1
2
X12 3
4
X12
5
6
X12 9
10
11
X12 12
13
14
X12
15
16
X 12 17
18
0
0
0
X8
3
1
X8
2
4
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
0
∆/33/Ο ∆/50
∆/33 ∆/25
∆/33 ∆/25/
∆/50
∆
∆
∆
∆
∆
∆
∆/33
∆/25
∆/33
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
x
∆
∆
∆
∆
x
x
x
x
∆/33
∆/25 ∆/33 ∆/25/
33/
33/ (17)
∆
∆
∆
∆
∆
∆
∆/33 ∆/25
33
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
x
x
x
x
∆
∆
∆
x
x
x
∆
PAGE 4 of 8
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