• Domestic hot water tank • EKHWS-B
•Altherma
TM
• Domestic hot water tank
244
5 Piping diagram
4
5
EKHWSU-B
Water flow
3TW57945-1
RST Domestic hot water thermistor
Y1S Solenoid valve
M3S 3-way motorized valve
Outdoor Indoor
Field installation
(delivered with indoor
unit)
Shut off valve
Field installation (Delivered
with EKHWSU*B*)
3-way motorized valve
Load
Option domestic hot water tank
Water main IN
Option domestic hot water tank
Water return
Water main OUT
Water return
Water flow
Expansion relief valve
Tundish
Drain valve
T-piece
Expansion vessel
T-piece
Pressure reducing valve
with integrated non
return valve line strainer
(*): Field installation delivered with EKUHWB kit
(**): Field installation delivered with
EKUHW2WB
Shut off valve
2-way solenoid valve
Check valve
Flare connection
Screw connection
Flange connection
Pinched pipe
Spinned pipe
Overview
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