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Features
SiUS30-1301
4
General Information
Beca
u
se the system is
w
ater cooled, the o
u
tdoor air temperat
u
re does not affect capacity.
F
u
rthermore,
w
ater cooling means no defrost operation is re
qu
ired, so rapid starting ass
u
res
qu
ick and comforta
b
le heating in the coldest conditions.
Cold climate capability
V
R
V
-
W
Lon
g
refri
g
erant pipin
g
len
g
th
W
ithin the refrigerant piping system,
u
p to 390 ft of act
u
al piping length and 164 ft of height
difference
b
et
w
een the
V
R
V
-
W
and indoor
u
nits are possi
b
le.
W
ater piping does not enter
occ
u
pied spaces, so there is no
w
orry of
w
ater leaking.
If the
V
R
V
-
W
II is a
b
o
v
e indoor
u
nits. 131 ft if the
V
R
V
-
W
is
b
elo
w
indoor
u
nits.
-14.7
100
60
8
0
-12.6 -10.5
-9.5 -
8
.5
-7.0
-5.0
-3.0
0.0
3.0
5.0
Refrigerant piping
W
ater piping
V
R
V
-
W
REF
N
ET Joint
Standard system (Heat Pump type)
*Example only.
• Act
u
al length
u
p to condensing
u
nit
b
ranch piping:
u
p to
33 ft
• E
qu
i
v
alent length
u
p to
condensing
u
nit
b
ranch piping:
u
p
to
43 ft
• Act
u
al piping length
b
et
w
een the
V
R
V
-
W
and
indoor
u
nits:
u
p to
390 ft
• E
qu
i
v
alent piping length
b
et
w
een the
V
R
V
-
W
and indoor
u
nits:
u
p to
459 ft
• Total piping length
b
et
w
een the
V
R
V
-
W
and
indoor
u
nits:
u
p to
980 ft
V
R
V
-
W
O
u
tdoor air
temperat
u
re
(°CDB)
General air cooled air
conditioning system
Total heating
capacity(%)
Le
v
el
difference
b
et
w
een the
V
R
V
-
W
u
nits:
u
p to
6.5 ft
Act
u
al piping length after
piping
b
ranch:
u
p to
130 ft
Le
v
el difference
b
et
w
een indoor
u
nits:
u
p to
49 ft
Le
v
el difference
b
et
w
een
the
V
R
V
-
W
and indoor
u
nits:
Up to
164 ft
if the
V
R
V
-
W
is a
b
o
v
e
Up to
130 ft
if the
V
R
V
-
W
is
b
elo
w