30RA/30RH "B" Puron
Water connections
Water connections
Difference in height between water chiller and highest system point
Water circuit: recommended wiring
*
The automatic air vent must be located at the highest
point of the circuit.
1
7
7
3
9
8
2
4
14
1 Unit water inlet Ø 1" F Gas
2 Unit water outlet Ø 1" F Gas
4
3 Drain
4 Air purge
1
5 Drain safety valve Ø 1/2" F Gas
2
3
1. Brazed plate heat
1 1. Return water
exchanger
1 2. Filter 10 mesh/cm
2. Closed expansion
14.
tank
3. Circulating pump
4. Flow switch
7. Temperature sensor
8. Safety valve
9. 30RA/RH unit
1 0. Leaving water
12
E N G L I S H
Water drain /
2
circuit drain
Water drain connection
(chiller)
Shut-off valve
Field supplied piping
Pressure gauge
Manual air vent
*
Automatic air vent
11
10
GB - 7