51
© STULZ S.p.A. – all rights reserved EN/06.2016/i09
WSA ExplOrEr OriginAl inStructiOnS
Standar
d data sheet.
C
heck
MA
nu
Al
p
Art
ii
a
for any c
hange
s.
Evaporator water (in/out) 12/7 °C; condenser air (in) 35 °C;
Average sound pressure level at 10 m distance; unit in a free field on a reflective surface.
According to ISO 3744. Unit at full capacity. Pump contribution is not considered.
*In case of applications with an output fluid temperature below +5 °C, please contact the manufacturer.
30% Glycol-Water solution. Evaporator solution IN/OUT= 15/10 °C; Condenser air 30 °C
Average sound pressure level, at 10m distance, unit in a free field on a reflective surface.
Unit at full capacity. According to ISO 3744. Pumps contribution is not considered.
* In case of applications with output fluid temperature below 0°C, please contact the manufacturer
Fc
WSA-640
WSA-640-Sl
WSA-640-Fc
g
En
Er
Al
Cooling Capacity
kW
1260
1167
1225
Power Consumption W7L35
kW
431
453
451
Free Cooling capacity W10L (see below)
kW
--
--
1237
Pressure Sound level @10m
dB(A)
74
74
74
Power Sound level
dB(A)
102
94,1
102
H
YD
rA
ulic
Water flow
m³/h
216
200
216,2
Pressure drops
kPa
49
200
49,2
Water circuit content, unit side
t.b.d.
t.b.d.
t.b.d.
Coolant Liquid
Type
Water - max 40% glycol
Inlet Temperature
°C
12
12
12
Outlet Temperature
°C
7
7
7
r
EF
rig
Er
Ant
Refrigerant gas
Type
R134a
Refrigerant charge
kg
223 + 223
Refrigerant Circuit
n°
2
Oil charge
32 + 32
c
OM
pr
ESSO
r
S
Compressors
n°
2 x Semi-Hermetic Double Screw
Partialization
%
12,5 ... 100
12,5…100
12,5…100
Power consumption W7L35
kW
383
383
403
Absorbed current W7L35
A
103
60
103
Max power consumption
kW
554
554
554
Max absorbed current
A
894
894
894
FA
n
S
Axial Fans
n°
24
24
24
Fan flow
m³/h
418070
280155
336812
Power Consumption W7L35
kW
48
30
48
Absorbed current W7L35
A
103
60
103
Power consumption
kW
52,8
52,8
52,8
Max absorbed current
A
113,5
113,5
113,5
F.
c
.
Temperature of total FC
°C
-1,3
Flow of fluid to be cooled
m³/h
213
Pressure drop
kPa
51
unit
D
At
A
Power supply
V/ph/Hz
400 / 3 / 50
Operating current
t.b.d.
t.b.d.
t.b.d.
Max absorbed current
A
1018
1018
1018
Starting current
A
1488
1488
1488
Height x Width x Depth
mm
2473 x 2278 x 11920
EER
2,92
2,57
2,72
ESEER (ISO14511)
4,53
4,53
4,4
IPLV
4,48
4,52
4,32
