Roberts Gorden HF 30 v4 Installation, Commissioning, Service & User Instructions page 24

CABINET HEATER
2.8 Fan Data - High Flow Cabinet Heaters
air flow v static pressure
v fan motor current
Fig 2.7 Air Flow v Static Pressure & Motor Current - HF30 v4
Graph
HF 11
with 2.2 kW motor and 85mm pulley fan pulley 180 mm. Fan 457-486
300
250
200
150
100
50
0
1.6
Air Flow m
Air Flow v Static Pressure & Motor Current HF30 v 4
( Based on Model 30 in 50 cabinet )
1.8 2 2.2
3
/s
Air flow v Static pressure :
2.4 2.6
Air flow v Motor current
5.4
5
4.6
4.2
3.8
3.4
3
2.8
air flow