3.2
Technical data
Product specification
HWAT-R/-M/-L heating cables only
Electrical properties
Supply voltage
180
-
253
VAC,
50
/
60
Hz
Power consumption
3
,
5
VA max
Power output relay
(heating cable)
20
A /
230
VAC
Power supply terminals
3
x
6
mm² max
Heating cable terminals
3
x
6
mm² max
Alarm terminals
3
x
1
,
5
mm² max
Sensor terminal - Boiler
2
x
1
,
5
mm² max
Sensor terminal - Pipe
2
x
1
,
5
mm² max
Alarm relay
Single pole double throw relay, volt-free,
Max. switching capacity (resistive load only)
1
A/
30
VDC
0
.
5
A/
125
VAC,
Max.:
60
VDC/
125
VAC
Circuit breaker
Max. C
20
A (C-Characteristic)
Real time clock
Automatic Summer/Winter time and
Leap year correction
Clock backup
10
days
Clock accuracy
A variation of ±
10
minutes per year is possible
Settings
All settings are stored in non-volatile memory
Operating temperature
0
°C to
40
°C ambient
Selectable temperature
37
°C up to
65
°C in
24
blocks per day
Pre-programmes
7
built-in building specific programmes, can
be edited
Enclosure
Material
Polycarbonate
Dimensions
210
mm x
110
mm x
85
mm
Ingress protection class
IP
54
Weight
990
g
Mounting
DIN-Rail mountable
35
mm
Entries
2
x M
25
and
2
x M
20
Storage temperature
–
20
°C to +
50
°C
Flammability class
D category (DIN EN
60730
/VDE
0631
-
1
)
Sensor
Temperature sensor type
Standard NTC
2
,
0
KOHM at
25
°C,
2
wires
Sensor tip dimensions
Ø
5
mm; length
20
mm
Sensor cable length
3
m; extendable up to
100
m ,
2
x
1
,
5
mm²
Temperature range
0
°C to
90
°C
Sensor data
40
°C
1211 Ω
45
°C
1033 Ω
50
°C
884 Ω
55
°C
762 Ω
60
°C
658 Ω
65
°C
571 Ω
10
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