Ambirad NRV12LR, Руководство по установке, Страница: 6 / 28

6
1.4 Clearance to Combustibles.
The minimum clearances to combustible materials are given in table 2 below. These minimum
distances MUST be adhered to at all times.
Figure 2 Diagram illustrating the clearance to combustibles
Burner Model NRV12LR NRV18LR NRV24LR
End vent In-line End vent In-line End vent In-line
Below tube
Dim D Without undershield mm 1120 1250 1120 1250 1120 1250
Dim D
With undershield mm 760 850 760 850 760 850
Dim C
Above Tube mm 250
Horizontally
Dim B Standard reflector mm 600 770 600 770 600 770
Dim A
Perimeter reflector mm 305 450 305 450 305 450
Burner Model NRV32LR NRV38LR NRV46LR
End vent In-line End vent In-line End vent
Below tube
Dim D Without undershield mm 1440 1700 1570 2100 1700 2100
Dim D
With undershield mm 760 850 785 1050 850 1050
Dim C
Above Tube mm 250
Horizontally
Dim B Standard reflector mm 700 850 700 1000 700 1000
Dim A
Perimeter reflector mm 305 510 305 600 305 600
Distance from combustibles (distance from heat source that will produce a 50ºC rise in temperature above ambient of a
black surface)
A Radiant tube; B Standard reflector; C Combustible material underneath; D Combustible material on side;
E Combustible material above; F Perimeter reflector;
Table 2