GB - 7
30RHV
E N G L I S H
Water connections
Water connections
Water circuit: recommended wiring
1.
Brazed plate heat
exchanger
2.
Closed expansion
tank
3.
Circulating pump
4.
Flow switch
7.
Temperature sensor
8.
Safety valve
9.
30RHV unit
10.
Leaving water
11.
Return water
12.
Filter 10 mesh/cm
2
14.
Water drain
connection
(chiller)
1
2
3
4
1
3
4
9
14
7
7
10
11
12
8
2
*
The automatic air vent must be located at the highest
point of the circuit.
Pressure drop
Pressure drop
(kPa)
Water flow rate l/h
Pressure drop
(kPa)
Water flow rate l/h
Pressure drop
(kPa)
Water flow rate l/h
Legend:
DP (KPa) @ 12
°
C
DP (KPa) @ 33
°
C
Field supplied
piping
Manual air vent
Automatic air
vent
*
Water drain
Shut-off valve
Pressure gauge
0
5
10
15
20
25
30
35
600
800
1000
1200
1400
5
7
9
11
13
15
17
19
21
800
1000
1200
1400
1600
5
10
15
20
25
30
35
40
45
1300 1500 1700 1900 2100 2300 2500 2700 2900 3100
30RHV006
30RHV008
30RHV011
1
Unit water outlet Ø 1” F Gas
2
Unit water inlet Ø 1” F Gas
3
Drain
4
Air purge
