M01W
45H
6-0
6
WSAT-SC
75C-180F
- E L E C T R I C AL D AT A -
13
SETTING THE CUT-OUT DEVICES AND CONTROLS
Open Closed Value
High pressure switch
kPa
2700
1940
--
Low pressure switch
kPa
230
360
--
Low pressure switch (Brine)
bar
110
240
Antifreeze protection
°C
4
6,5
High pressure safety valve
kPa
--
--
3000
Low pressure safety valve
kPa
--
--
1900
Max no. of compressor starts per hour
Nr
--
--
10
High compressor discharge temperature safety thermostat
°C
--
--
120
FOULING CORRECTION FACTORS
INTERNAL EXCHANGER
m² °C/W
Cooling capacity correction factors
m² °C/W Cooling capacity correction factors Compressor
0.44 x 10^(-4)
1.00
1.00
0.88 x 10^(-4)
0.97
0.99
1.76 x 10^(-4)
0.94
0.98
CORRECTION FACTORS FOR GLYCOL USE
%
ethylene
glycol
by
weight
5% 10% 15% 20% 25% 30% 35% 40%
Freezing
temperature
°C -2.0 -3.9 -6.5 -8.9 -11.8 -15.6 -19.0 -23.4
Safety
temperature
°C 3.0 1.0 -1.0 -4.0 -6.0 -10.0 -14.0 -19.0
Cooling
Capacity
Factor
Nr 0.995 0.990 0.985 0.981 0.977 0.974 0.971 0.968
Compressor
input
Factor
Nr 0.997 0.993 0.990 0.988 0.986 0.984 0.982 0.981
Internal
exchanger
Glycol
solution
flow
Factor
Nr 1.003 1.010 1.020 1.033 1.050 1.072 1.095 1.124
Pressure
drop
Factor
Nr 1.029 1.060 1.090 1.118 1.149 1.182 1.211 1.243
The correction factors shown refer to water and glycol ethylene mixes used to prevent the formation of frost on the exchangers in the
water circuit during inactivity in winter.
EXCHANGER OPERATING LIMIT (SC-EN)
INTERNAL EXCHANGER
Maximum operating pressure on refrigerant side (kPa)
Standard
Basse temperature - B
Maximum operating pressure on water side (kPa)
CLIVET (C)
3200
3200
2500
PED (CE)
3200
3200
2500
for different approvals contact our sales office
INTERNAL EXCHANGER PRESSURE DROPS: SC - EN
[kPa]
[l/s]
Q
p
∆
65
D
-
7
0D
75
C
-
7
5D
-
8
0D
90
D
90
C
-
10
0D
11
0D
-
1
20
D
13
5F
-
1
50
F
16
5F
-
1
80
F
15.5
6.7
75D
165F
150F
135F
120D
110D
100D
90D
80D
12.7
11.6
11.6
9.4
29.5
26.9
26.9
21.9
9.4
8.0
7.2
6.7
21.9
18.6
16.8
15.5
70D
65D
90C
75C
[l/s]
[l/s]
5.9
5.9
8.0
6.7
13.7
13.7
18.6
15.6
Qmax
Qmin
180F 12.7
29.5
ACCESSORIES
WATER FILTER
Pressure drop of the "water filter" accessory to be added to the pressure drop of the unit.
75C - 90C - 65D - 70D - 75D - 80D - 90D -100D
0
10
20
30
40
50
60
70
6
8
10
12
14
16
18
Q = l/s
∆∆∆∆
P k
P
a
110D - 120D - 135F - 150F - 165F - 180F
0
10
20
30
40
50
60
70
80
8
10
12
14
16
18
20
22
24
Q = l/s
∆∆∆∆
P k
P
a
Q = water flow
dP = pressure drop
EVAPORATOR PRESSURE DROP
LIMIT. CAUTION: DO NOT USE OVER THIS LIMIT
EVAPORATOR PRESSURE
DROP LIMIT. CAUTION: DO NOT USE UNDER THIS
LIMIT
Summary of Contents for WSAT-SC 100D Series
Page 2: ......
