3. Hydraulic diagram
Abbreviations
SL
Supply line
RL
Return line
ET
External thread
DHW
Domestic hot water
CW
Cold water
Components
1 Stainless steel plate heat exchanger
2 PF controller with 3- way function
3 Hot water throttle 12 l/min
4 Automatic air vent
5 Zone valve
7 Adapter for the heat flow meter
(L = 110 mm, 2 x ¾" external thread)
8 ½" coupler for heat meter immersion sleeve
10 Shut-off ball valve
Connections
A Cold water from the line
C Hot water to the apartment, device connection:
¾" ET, flat sealing
D Heating SL from the line, device connection:
corner ball valve, ¾" ET
E Heating SL to the dwelling heating circuit, device connection:
½" ET
F Heating RL from the dwelling heating circuit, device connection:
½" ET
G Heating RL to the line, device connection:
corner ball valve ¾" ET
H Flat sealing line connections with union nut for 1 ½" ET
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