M01W45H6-06
WSAT-SC
75C-180F
- ELECTRICAL DATA -
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
∆
6
5
D
-
7
0
D
7
5
C
-
7
5
D
-
8
0
D
9
0
D
9
0
C
-
1
0
0
D
1
1
0
D
-
1
2
0
D
1
3
5
F
-
1
5
0
F
1
6
5
F
-
1
8
0
F
15.56.775D
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
QmaxQmin
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 kPa
110D - 120D - 135F - 150F - 165F - 180F
0
10
20
30
40
50
60
70
80
8 1012141618202224
Q = l/s
∆
∆
∆
∆P kPa
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
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