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
Digital Input
14x Digital Input
No.
Name
Compressor motor running feedback
1
Oil pump running feedback
2
Thermostat for intermediate pressure - oil return
Fan motor running feedback
Thermostat for high pressure - oil return
3
Water pump running feedback
Emergency stop
4
Oil separator level switch (Procap)
Oil flow switch compressor (Read contact)
5
Oil filter differential pressure switch
Liquid level switch
Ext. starting permission - normal
6
Ext. starting permission - instant
7
Regulator SP1/SP2
8
Motor current/power SP1/SP2
9
PMS feedback
10
Capacity down blocked
11
No flow in condenser
No flow in evaporator
12
Thermo Pump Low (internal) (ref. 98C)
4849-961
HETH
Gnd Inp.
X3
1
2
X3
3
4
∆
∆
∆
∆
∆
∆
∆
∆
X3
5
6
x
x
x
x
X3
7
8
X3
9
10
0
0
0
0
∆
∆
∆
∆
X3
11
12
X3
13
14
X3
15
16
X3
17
18
X3
19
20
X3
21
22
∆
∆
∆
∆
∆
∆
∆
∆
X3
23
24
∆
∆
∆
∆
X3
23
24
X1
17
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
x
x
x
x
x
x
x
x
x
∆
∆
∆
∆
∆
∆
0
0
0
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
x
∆
∆
∆
∆
∆
∆
x
x
x
x
x
x
x
x
x
x
x
x
x
x
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
x
x
x
x
x
x
x
x
x
x
x
x
x
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
∆
PAGE 3 of 8
Publicidad
