Domotec Therm-Control DHB 370 C, Installation Notes

Page: 46 / 56

Sensor terminal - Pipe 2 x 1,5 mm² max
A larm relay
S ingle pole double throw relay, volt-free,
rating 2A / 250 VAC
C ircuit breaker Max. C 20 A (C-Characteristic)
Real time clock
Automatic Summer/Winter time and leap year
correction
C lock backup 10 days
C lock accuracy A variation of ± 10 minutes per year is possible
Settings A ll settings are stored in non-volatile memory
Operating temperature 0°c to 40°c ambient
S electable 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 ABS
Dimensions 210 mm x 90 mm x 85 mm
Ingress protection class IP 54
Weight 990 g
Mounting DIN -rail mountable 35 mm
Entries 2 x M25 and 2 x M20
Storage temperature -20°C to +50°C
Flammability class D category (din En 60730/VdE 0631-1)
Sensor
T emperature 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 x1,5 mm²
Temperature range -20°C to 90°C
Sensor data
40°C 1211
Ω
45°C 1033
Ω
50°C 8854
Ω
55°C 762
Ω
60°C 658
Ω
65°C 571
Ω
Approval
Approval VDE approval pending - VDE according to
EN60730 EMC According to EN 50081-1/2 for
emission and En50082 - 1/2 for immunity
temperature for bal pr100°C test
(DIN EN 60730/VDE 0631-1)
rated impulse voltage: overvoltage category III
(DIN EN 60730/ VDE 0631-1)
46 | Domotec.ch
3.2. Technical data
Product specification DHB 200 heating cables only
Electrical properties
Supply voltage 230 Vac -15 /+10%; 50 Hz
Power consumption 2,5 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