22
EN/06.2016/i09 © STULZ S.p.A. – all rights reserved
WSA ExplOrEr OriginAl inStructiOnS
4. Description
4.1 type code
The type code represents the variant
of your chiller unit and can be found
on the nameplate located on the inner
side of the electric cabinet. You can
decode the type code by the following
table.
inFOrMAtiOn
Please be aware that not every
combination of these values is
possible.
Air cooled Screw
S
W
A
3°digit
configuration
A
axial fans
3
2
0
4°digit
5°digit
6°digit
cooling capacity
160
376 kW
(1)
320
738 kW
(1)
220
482 kW
(1)
360
844 kW
(1)
250
567 kW
(1)
380
911 kW
(1)
280
630 kW
(1)
440
1032 kW
(1)
300
672 kW
(1)
480
1122 kW
(1)
(1)
at 50 Hz, W7L35
640
1260 kW
(1)
2
7°digit
Evaporation temperature
1
Outlet water > 15°C
2
Outlet water ≤ 15°C (standard)
8°digit
c
Version
c
chiller
D
chiller with treated MCH coils
F
Free Cooling
g
Free C Epoxy condensing coils
i
Free C Cataphoresis condensing coils
n
9°digit
noise level
n
Standard
S
Low Noise
10°digit
A
power Supply
A
400V / ~3 / 50Hz
B
460V / ~3 / 60Hz
n
11°digit
Hydraulic circuit
0
No pumps
1
n°1 pump standard
2
n°2 pumps standard
3
n°1 pump with inverter
4
n°2 pumps with inverter
12°digit
0
Heat recovery
0
none
D
partial recovery (t.b.d.)
t
total recovery (t.b.d.)
0
0
0
Options
(change accordingly to the selected options)
13°digit
14°digit
15°digit
2°digit
1°digit
