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Siemens Building Technologies Basic Documentation LMV5... CC1P7550en
HVAC Products 14 Technical data 13.08.2004
14.2 Loads on terminals, cable lengths and cross-
sectional areas
• Max. perm. mains primary fuse (external) 16 AT
• Unit fuse F1 (internal) 6.3 AT (DIN EN 60 127 2 / 5)
• The mains input current depends on the status of the unit
• Safety shutdown from operating position at mains voltage < AC 186 V
• Restart on increase of mains voltage > AC 188 V
• Nominal voltage AC 230 V +10 % / -15 %, 50-60 Hz
• Nominal current 2 A
• Power factor cosϕ > 0.4
• Nominal voltage AC 230 V +10 % / -15 %, 50-60 Hz
• Nominal current 0.5 A
• Power factor cosϕ > 0.4
Status inputs (with the exception of the safety loop) of the contact feedback network
(CFN) are used for system supervision and require a mains-related input voltage.
• Input safety loop refer to «Loads on terminals, outputs»
• Input currents and input voltages
− UeMax UN +10 %
− UeMin UN -15 %
− IeMax 1.5 mA peak
− IeMin 0.7 mA peak
• Recommended contact material for external
signal sources (APS, PSmin, PSmax, etc.) gold-plated silver contacts
• Transition / transient behavior / bouncing
− Max. perm. bounce time of contacts
when switching on / off 50 ms
(after the bounce time, the contact must be permanently closed or open)
• UN AC 230 V
• Voltage detection
− ON AC 180...253 V
− OFF < AC 80 V
• Nominal voltage AC 230 V +10 % / -15 %, 50-60 Hz
• Unit input current* (safety loop) max. 5 A
* Total contact current resulting from:
- Fan motor contactor
- Ignition transformer
- Valves
- Oil pump / magnetic clutch
Loads on terminals
General data
Mains supply
Undervoltage
Oil pump / magnetic clutch
PS test valve
Status inputs (CFN)
Load on terminals
«outputs»
Total load on contacts
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