Schematic diagram of the hydraulic circuit
(*)
30PAC
with pump
PLATES
EXCHARGER
EXPANSION
VESSEL
SHUT-OFF
VALVE
CIRCULATOR
PUMP
CIRCUIT
DRAINAGE
SAFETY
VALVE
DIFFERENTIAL
PRESSURE SWITCH
MESH
FILTER (*)
Mesh filter, suplied in kit for installation by the client in 30PAC (optional for 30PA).
Cut-off and water regulation valves, as well as flexible hydraulic connections, can also be supplied in the kit.
Circulation pumps available for 30PAC
30PAC
90STD
Number Standard
3.171
of pump High-pressure (optional) 3.173
Low-pressure (optional) --
90HEE
100STD 100HEE 120STD 120HEE 160STD 160HEE 180STD 180HEE
3.171
3.173
--
3.172
3.173
3.171
3.172
3.173
3.171
3.172
3.174
3.171
3.172
3.174
3.171
3.173
3.174
3.171
3.173
3.174
--
3.174
3.175
3.229
3.174
3.175
3.229
Note: These pumps can operate with glycol water (mono-ethylene glycol), although with a reduction of the available pressure (due to the flow variation with glycol water). Consult the
correction coefficients in the chapter “Operation with glycol water”.
Available pressure (m.w.c.)
COOLING
30PA
40
3.173
30
3.175
3.174
3.172
3.171
20
3.229
10
2
1
3
4
5
6
7
8 9
10
15
20
Flow (m3/h)
Number of pump
3.171
3.172
3.173
3.174
3.175
3.229
0,37
0,55
0,75
0,9
1,5
0,55
Motor output
kW
Maximum absorbed current
A
1,4
2,0
2,3
2,7
4,0
2,0
Minimum water flow
m3/h
1,2
1,2
1,2
3,0
4,8
3,0
Maximum pressure
(m.w.c)
20,7
28,0
30,3
29,5
31,6
20,6
Maximum water flow
m /h
5,4
4,8
6,6
9,6
15,0
9,6
Minimum pressure
(m.w.c)
15,0
20,5
19,5
19,5
23,0
13,7
76
3
C
A
R
R
I
E
R
2
0
1
6
/
2
0
1
7