Midea Aqua Tempo Super II Series, Инженерные данные

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Aq
60
Midea
Aq
ua
Te
m
p
o
Super
II
Engineering
Da
ta
Book
Exam
From
tem
corre
Wc c
Heat
To p
tem
the
tem
Defi
requ
Whe
Exam
With
heat
from
ua Temp
•
•
Δ T
s
is the
•
Q
cmin
is t
and leav
•
•
G is the u
mple ‐ 30kW
m Table 2 ‐ 1.1
perature of
ected cooling
can then be o
ting mode lim
prevent occu
perature at t
leaving wate
perature is ‐ 7
ning Q
h
as th
uired minimu
ere:
•
W
ct
is the
•
Q
d
is the
that:
•
•
Q
s
is the
from:
•
•
•
Δ T
t
is th
mple ‐ 30kW
h ambient tem
ting capacity,
m Table2 ‐ 5.1 t
po Super
Where:
•
Q
c
is
expe
•
C
min
spee
•
R
min
as a
e unit’s dead
the unit’s out
ving water tem
Q
cmin
= Q
c
x 8
unit’s minimu
unit:
, G is 5m
3
/h
25 ⁰ C (as per
g capacity, Qc
obtained usin
mit on chilled
pants experi
the end of th
er temperatu
7 ⁰ C and the le
he unit heati
m water volu
e required w
e heat energy
Q
d
= Q
h
x 860
e heat energy
Q
s
= Q
h
x 860
Where:
•
t
f
is t
e permitted w
unit:
mperature of
Q
h2 ⁰ C
, is 25.7
the unit’s cor
II
s the unit’s c
ected cooling
is the ratio o
ed
is the coolin
proportion o
band temper
tput (in kcal/
mperature, w
860 x C
min
um chilled wa
and Cmin a t
r EN14511) a
c, is 40.9kW. F
ng Equations 2
Qc5 =
Qcmin
Wc
= 2
d water syste
encing cold
he defrosting
ure before s
eaving water
ing capacity
ume is given b
W
ct
= (Q
ater volume
y (in kcal) req
0 x 0.12
y (in kcal) req
0 x (t
f
/60)
the duration
water system
f 2 ⁰ CWB and
7kW. With am
rrected heatin
cooling capa
g mode ambie
of unit outpu
g output req
of Q
c
rature range (
/h) when ope
which can be o
ater flow rate
ypical value o
and with lea
For Rmin, a ty
2 to 4:
40.9 x 860 x
n = 40.9 x 860
229 / (4 – (45
em water volu
drafts during
operation do
starting defro
temperature
(in kW) adju
by:
Q
d
+ Q
s
) / Δ T
t
in liters
quired for def
quired for roo
of defrosting
m temperature
with leaving
mbient temp
ng capacity, Q
city (in kW)
ent temperat
ut at its lowes
quired to mai
(in ⁰ C)
erating at its
obtained from
e (in m
3
/h)
of 12.8% may
aving water t
ypical value o
(0.128 ‐ 0.05
0 x 0.128 = 45
02 / (5 x 100
ume
g defrosting,
oes not fall b
osting is 30 ⁰
e before starin
sted for amb
frosting, whi
om heating d
g operation (i
e drop during
water tempe
erature of ‐ 7
Q
h ‐ 7 ⁰ C
, is 24.4k
corrected fo
ture) and leav
st operating
ntain the con
lowest spee
m:
y be used. W
temperature
of 5% may be
) x (5/60) = 2
502kcal/h
0))) = 74L
system des
below 15 ⁰ C (w
⁰ C) or does
ng defrosting
bient temper
ch may be ta
uring the def
n mins)
g defrosting o
erature set at
7 ⁰ CWB and w
kW. t
f
may be
Equatio
Equatio
Equatio
Equatio
or ambient te
ving water tem
speed to its o
nditioned spa
ed and correc
ith lowest ex
set at 10 ⁰ C
e used. The fa
29kcal
ign should e
when the am
not fall belo
g is 35 ⁰ C).
rature and le
aken to be 12
frosting oper
operation (in
30 ⁰ C, from T
with leaving w
e taken to be
on 4
on 5
on 6
on 7
emperature
mperature
output at ma
aces at their
cted for amb
xpected cooli
C, from Table
actory default
ensure that t
mbient tempe
ow 20 ⁰ C (w
eaving water
2% of hourly
ration, which
⁰ C)
Table 2 ‐ 5.1 th
water temper
4mins. Using
20
(using the lo
aximum oper
set temperat
bient tempera
ng mode am
e 2 ‐ 5.3 the u
t for Δ Ts is 4 ⁰
the leaving w
erature is 1 ⁰ C
hen the am
temperature
unit output,
may be obta
he unit’s corre
ature set at 3
g equations 5
01902
owest
rating
tures,
ature
bient
unit’s
C.
water
C and
bient
e, the
such
ained
ected
35 ⁰ C,
to 7: