Technical documentation
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4.4.13. Connection conditions
The connection conditions shown here must be complied with. Connection is only allowed
to be performed by specialist personnel.
Heating circuit
Flow connection
DN 25, 1" female thread DIN 228-1
Return connection
DN 25, 1" female thread DIN 228-1
Flow rate
approx. 1.8 m³/h at Δt = 20 K
Pressure drop
approx. 0.4 bar
Water pressure
Maximum 4 bar (safety devices in the secondary circuit
must be provided on site according to the local conditions.
DIN EN 12828 and DIN 4747 must be complied with.)
Water quality
VDI 2035
Fuel system
Gas connection
DN 20, 3/4" external thread, conically sealing
Flow pressure
2.0 to 6.0 kPa (20 to 60 mbar on the unit)
Methane number
Minimum 65
Exhaust system
Exhaust gas connection
DN 80, PPs type B
Exhaust gas
temperature
Maximum 120 °C
Counterpressure
Maximum 150 bar at exhaust system test port
Electrical system
Connections
5 x 16 mm² flexible
Protection
3 x 63 A type NH00 or SLS characteristic C
Communication
Port release
Port 8998 UDP incoming / outgoing via DHCP or fixed IP
assignment with DNS
Bandwidth
GSM min. 3G or landline min. 2000 kB down/250 kB up
Data volume
With GSM min. 6GB, optimally 10GB. Flat-rate Internet
for landline
Table 1: Connection conditions
CAUTION
The room temperature of the CHP plant installation location must not exceed 40 °C.