21
Housing
:
ABS Plastic
Protection
:
IP54 Frontal
Dimensions
:
Front - 106.2 x 50 mm
Depth- 59 mm
Panel Cutout
:
92 X 45 mm
Mounting
:
Flush panel mounting
Connection
:
Plugable Screw terminal blocks.
Display
:
16x2 LCD
Data Storage :
Non-Volatile EEPROM Memory
Power Input
:
/-10%, 50Hz
2
<
2.5mm one wire/terminal only.
0
0
Operating Temp
:
5 C to 50 C(non-condensing)
Input
:
NTC Probe, SZ-N75
All Relay
:
5A / 250Vac
Current Input
:
0 to 20Amp.
0
Resolution
:
0.1 C
0
0
Probe Tolerance :
+/-0.3 C AT 25 C
0
0
Storage Temp
:
-20 C to 70 C(non-condensing)
0
Accuracy
:
+/-1 C
Resolution
:
0.1Amp.
0
0
Range
:
-30.0 C to +50.0 C
Technical Data
22
NC-120A
NC-120A
PROKEY
28 29 30 31
MED
HIGH
GND
CT
Suggested Wiring Diagram
PHASE
NEUTRAL
1
2
1
4
8
2
5
9
3
6
10
7
1
1
14
12
15
13
16
17
24
25
19
23
26
20
27
21
22
LIQUID
AFT .
COND.
NEUTRAL
COMP O/L
HP
LP
SPPR
PUMP O/L
AUX / EWFS
9V
AC
18
PROBE
COMP
PRE SV
ALARM
W
A
TER
SV
PUMP
COND
COMP.
C
NO
C
NO
C
NO
NC
NO
C
NC
NO
C
C
NO
PRE SV.
COND.
PUMP
WATER SV.
PROKEY
28
29
30
31
MED
HIGH
GND
CT
LIQ
LEVEL
SWITCH