User manual

Page 8
Temp. flue gas est.
@ comb. air temp 20ºC
°C ≈ 85-95
Available pressure for the Flue sys-
tem**
Pa 200
Max. flow temp. °C 90 90 90 90 90 90
Power supply V / Hz 230 / 50 230 / 50 230 / 50 230 / 50 230 / 50 230 / 50
Power consumption W 355 355 355 375 460 460
Protection class IPX4D IPX4D IPX4D IPX4D IPX4D IPX4D
NOTES
* Emissions measured during unit certification
** Maximum combined resistance of flue gas and air supply piping at high fire.
*** CO
2
of the unit measured/set without the boiler door in place
**** Below a table is given in which the min. and max. gas supply pressures are mentioned acc. To EN437.
G25 min. = 20 mbar / max. = 30 mbar
G20 min. = 17 mbar / max. = 25 mbar
G31 > P
nom
= 30 mbar > min. = 25 mbar / max. = 35 mbar
G31 > P
nom
= 37 mbar > min. = 25 mbar / max. = 45 mbar
Boiler inbuilt features includes:
Cascade control for up to 12 boilers ( requires flow temperature sensor at extra cost )
Remote run & fault indication
0-10 VDC ( input from others ) control connection ( requires flow temperature sensor at extra cost )
Control for external calorifier primary pump ( pump not included ) via relay & sensor at extra cost ( see
page 21)
Weather compensation control (with north facing outside detector at extra cost)
Control for an external pump via relay at extra cost, (see page 21) external pump not included.
Electronic Ignition.