ENT
SET
UTC 121
PV
SV
ºC
TC
+
-
+
SSR
O/P
RTD
6
7
8
9
10
-
1
2
3
4
5
NC
C
R1
NO
L
N
!
100
250V AC
50/60 HZ
4VA
~
!
100
250V AC
50/60 Hz
4VA
~
TC
+
RTD
-
!
L
N
1
2
3
4
5
6
7
-
+
O/P
S.S.R
RELAY1
100
250V AC
~
50/60 Hz
4VA
NC
NO
C
8
9
10
11
12
13
14
1
7 8 9
12
1314
10
11
1617181920
15
2
3
4
5
6
NC
C
NO
TC
+
-
+
-
RELAY
100
250V AC
~
50/60 Hz
4VA
!
L
N
O/P
S.S.R
RTD
www.multispanindia.com
Page - 1
UTC-121,221,421
POWER ON POWER ON
8 8 8 8. . . .
j
0 1 2 3
0 1 2 3
8 8 8 8. . . .
I N P t
All digit segment will be turned ON for 3 sec
Previous or default sensor input will be displayed for 2 sec
Process Value
Set Value
j
0 1 2 3
0 1 2 3
I N P t
8
8
8
8
88
8
8
Note:
1) If Sensor Connection is reversed, Display will show “ ” message.
2) If Sensor is not connected, Display will show message.
SRE
Open
3) Every time the instrument is turned ON, Following pattern will be displayed
J: 0 to 600°C / K: 0 to 1200°C /
PT-100: -99 to 400ºC /PT.1: -99.0 to 400.0°C
TP / ON-OFF (selectable)
Output
Power Supply
Protection Level
Operating
Relative
(As per request)
Temperature
Humidity
1 relay, 1 C/O contact, 230V AC, 5A ; 1 SSR,12V DC, 30mA DC
100 to 250V AC, 50 / 60 Hz, Approx 4VA
IP-65(Front side) AS per IS/IEC 60529:2001
0°C To 55°C
Up to 95% RH Non Condensing
Model
Display
Size(HXWXD)
Panel Cutout
Input
Temperature
Range
Control Action
UTC 121
96 X 96 X 50 mm
92 X 92 mm
68 X 68 mm
44 X 44 mm
72 X 72 X 85 mm
48 X 48 X 95 mm
UPPER:- 4 Digit 7 seg 0.56”,red LED Display
UPPER:- 4 Digit 7 seg 0.39”,red LED Display
LOWER:- 4 Digit 7 seg 0.4”,green LED Display
LOWER:- 4 Digit 7 seg 0.28”,green LED Display
UTC 221 UTC 421
J, K, PT-100 (selectable)
Technical Specification
Connection Diagram
OPERATING MANUAL
PID TEMPERATURE CONTROLLER
UTC-121P,221P & 421P
1 2 3 4
Technical Specification
Connection Diagram
OPERATING MANUAL
TEMPERATURE CONTROLLER
UTC-121, 221 & 421
R
UTC 421
1 2 3 4
ENT
SET
R1
PV
SV
UTC 221
ºC
0 1 2 3
0 1 2 3
0 1 2 3
0 1 2 3
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