Roberts Gorden HF 30 v4 Installation, Commissioning, Service & User Instructions page 27

CABINET HEATER
Fig 2.12 Air Flow v Static Pressure & Motor Current - HF40 v3
Graph
Graph of air flow v staic pressure and current for model HF40 v3 with
HF6
450
400
350
300
250
200
150
100
50
0
2.8 3.0 3.2
3
Air Flow m /sec
Air Flow v Static Pressure :
Fig 2.13 Air Flow v Static Pressure & Motor Current - HF50 v1
Graph
HF7
300
250
200
150
100
50
0
2.4 2.6 2.8 3.0
3
Air Flow m /sec
Air Flow v Static Pressure
5.5kW motor with 140mm pulley. Fan pulley 200mm
3.4 3.6 3.8 4.0 4.2
Graph of Air Flow v Static Pressure and Current.
Model HF50 v1with 4.0kW motor and 95mm pulley.
Fan pulley 180mm.
3.2 3.4 3.6 3.8 4.0
4.4 4.6 4.8 5.0 5.2
Air Flow v Motor Current
4.2 4.4 4.6 4.8 5.0 5.2
Air Flow v Motor Current
13
12.5
12
11.5
11
10.5
10
9.5
9
8.5
8.5
8
7.5
7
6.5
6
5.5