Roberts Gorden HF 30 v4 Installation, Commissioning, Service & User Instructions page 29

CABINET HEATER
Fig 2.16 Air Flow v Static Pressure & Motor Current - HF50 v4
Graph
Graph of air flow v staic pressure and current for model HF50 v4with
HF10
500
450
400
350
300
250
200
150
100
50
0
3.4 3.6 3.8 4.0 4.2 4.4 4.6 4.8 5.0 5.2 5.4 5.6 5.8 6.0 6.2 6.4 6.6
3
Air Flow m /sec
Air Flow v Static Pressure :
7.5kW motor with 140mm pulley. Fan pulley 200mm
Air Flow v Motor Current
16.5
16
15.5
15
14.5
14
13.5
13
12.5
12
11.5