Hitachi E-U Series, Instruction Manual, Page: 8 / 24

5. High Discharge Air Temperature
Take precautions against high discharge air temperature especially in a small flow
application. (Please see the chart below.)
Excessive Heat Rise in Discharge temperatures Chart of the Vortex Blower.
0
50
100
150
200
250
0 50 100 150 200 250 300 350 400 450 500 550
Volume [cfm]
（
m
3
/min
）
E
xaus
t t
em
pe
rat
ur
e r
is
e [
F
°]
（
K
）
VB-004(S)E-U
VB-007(S)E-U
VB-019(S)E-U
VB-030E-U
VB-060-E2
VB-080-E2
VB-110-E2
VB-040-E2
60 Hz
(2.83) (5.66) (8.49) (1.42) (4.25) (7.08) (9.91) (12.74) (15.57) (11.33) (14.16)
(27.8)
(55.6)
(83.3)
(111.1)
(138.9)
VB-002SE-U
VB-001SE-U
VB-003SE-U
NOTES:
1. Suction air temperature must be added to calculate the exhaust temperature.
2. These temperature rise values are for reference only, as these values may change due to
differing operating conditions.
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