Installation and operating instructions
Fresh water station WHI freshaqua 44; Fresh water station WHI freshaqua 55
3 Product description
83514402
▪
1/2017-08
▪
Ext. PAW
7-36
3
Product description
The fresh water station is a pre-assembled fittings group tested for leaks for transferring
heat between the buffer tank and the domestic water circuit.
It contains a preset controller and important valves and fittings for operating the system:
•
Ball valves in the primary circuit
•
Piston valves in the secondary circuit
•
Safety valve in the secondary circuit
•
Pre-assembled controller
•
Temperature sensor on the cold water supply
•
Temperature sensors on the heating supply
•
Temperature sensor on the warm domestic water outlet
•
Flow meter on the warm domestic water outlet
•
Fill and drain valve for draining the heat exchanger and the pump
•
Vent plug for venting the heat exchanger
Connections
1
Primary side: return to buffer tank
2
Secondary side: cold water inlet
3
Secondary side: hot water outlet
4
Primary side: supply from buffer tank
Equipment
A
Ball valve with check valve
B
Primary pump
C
Piston valve with drain valve
D
Piston valve with drain valve and temperature sensor
E
Valve for filling and draining and temperature sensor
F
FlowSonic flow meter
G
Plate heat exchanger
H
Vent valve (primary circuit)
I
Safety valve 10 bars and temperature sensor
(Only for protection of the station. Does not replace
the safety valve that must be installed on-site.)
J
Ball valve with check valve
