Power supply | |
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Operating voltage | AC 230 V |
Frequency | 50/60 Hz |
Power consumption | Max. 3.8 VA |
Standby power consumption | 1.7 VA |
External preliminary protection with max. C 10 A circuit breaker in the supply line required under all circumstances. |
Modbus interface | |
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Type | RS485 |
Wiring connections | |
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Diameter |
|
Output | |
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1-/3-speed fan | Q1…Q3 |
Valve output | Y11, Y12 (N.O.) |
If fans must be connected in parallel, connect one fan directly,
for additional fans, one relay for each speed.
Multifunctional input | |
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X1-M | |
Temperature sensor input | |
Type | NTC 3k |
Temperature range | -20…70 °C |
Temperature sensor input | |
Type | NTC 10k |
Temperature range | -40…70 °C |
Digital input | |
Operating action | Selectable (NO/NC) |
Contact sensing | DC 0…5 V, max. 5 mA |
Insulation against mains | SELV |
Operational data | |
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Switching differential - Heating mode - Cooling mode |
0.5...6 K (factory setting: 2 K) 0.5...6 K (factory setting: 1 K) |
P-band Xp - Heating mode - Cooling mode |
0.5...6 K (factory setting: 2 K) 0.5...6 K (factory setting: 1 K) |
Setpoint setting range (see note below) - Comfort mode - Economy mode - Protection mode |
5...40 °C Off, 5...40 °C Off, 5...40 °C |
Built-in room temperature sensor - Measuring range - Accuracy at 25 °C - Temperature calibration range |
0…50 °C < ±0.5 K - 5.0...+5.0 K |
Resolution of settings and display - Temperature setpoints - Current temperature value displayed |
0.5 °C 0.5 °C |
Note: The standard range is 5...40 °C. Customization is available upon request (e.g. 0…50 °C).
Ambient conditions and protection classification | |
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Classification as per EN 60730 Function of automatic control devices |
Type 1 |
Design type | Device suited for use with equipment of safety class II. |
Degree of protection of housing to EN 60529 (after mounting in position) Room automation station |
IP30 |
Climatic ambient conditions - Storage as per EN 60721-3-1 - Transport (packaged for transport) as per EN 60721‑3‑2 - Operation as per EN 60721-3-3 1) |
|
Mechanical ambient conditions Storage as per EN 60721-3-1 |
Class 1M2 |
1) No condensation permitted.
Standards, directives and approvals | |
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Electromagnetic compatibility | For residential, commercial environments |
EU conformity (CE) | A5W00334221A *) |
REACH | Regulation (EC) No 1907/2006 Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) |
RoHS | Directive 2011/65/EU restriction of the use of certain hazardous substances in electronic equipment |
Environmental compatibility | The product environmental declaration (A5W00277728A *) contains data on environmentally compatible product design and assessments (RoHS compliance, materials composition, packaging, environmental benefit, disposal). |
General | |
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Weight without/with package | 154.9 g / 272 g |
Materials
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Housing flammability class according to UL94 | V-0 |
*) The documents can be downloaded from http://siemens.com/bt/download.