24
15
EFFECTIVE
HEAD
PRESSURES
Head
pressure
–
water
flow
characteristics
curve
net
of
evaporator
pressure
drops.
under
the
conditions
specified
at
the
top
(4)
of
page
23.
under
the
conditions
specified
at
the
top
(4)
of
page
23.
under
the
conditions
specified
at
the
top
(4)
of
page
page
23.
under
the
conditions
specified
at
the
top
(4)
of
page
page
23.
The
plant
must
be
designed
so
as
to
ensure
the
nominal
flow
rate
correspondingly
with
the
working
data
indicated
above.
0
10
20
30
40
50
60
70
0,6
0,8
1
1,2
1,4
1,6
1,8
2
2,2
2,4
2,6
2,8
3
Flow
rate
[m
3
/h]
He
ad
Pr
e
ss
u
re
[K
p
a]
07
12
09
16
Optimum
operating
point
for
PACK DUE
7
minichillers
at
compresssor’s
limit
frequency,
at
water
pump’s
high
speed
Optimum
operating
point
for
PACK DUE
9
minichillers
at
compresssor’s
limit
frequency,
at
water
pump’s
high
speed
Optimum
operating
point
for
PACK DUE
12
minichillers
at
compresssor’s
limit
frequency,
at
water
pump’s
high
speed
Optimum
operating
point
for
PACK DUE
16
minichillers
at
compresssor’s
limit
frequency,
at
water
pump’s
high
speed
Summary of Contents for PACK DUE 12
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Page 39: ...38 22 2 OUTDOOR UNITS 22 2 1 Wiring diagram of PACK DUE 9...
Page 40: ...39 22 2 2 Wiring diagram of PACK DUE 12...
Page 41: ...40 22 2 3 Wiring diagram of PACK DUE 16...
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