Hydro Unit
5. Piping Diagrams
FHNW16606C0 [HN1616HC NK0], FHNW16809C0 [HN1639HC NK0]
<Water Side>
<Indoor Unit>
S13
Shut off
V/V
Water
Out
* S13 : Electric backup heater outlet temp. sensor
: Heating inlet
: Heating outlet
Air Vent
Expansion
Vessel
Water
In
5-1
Product Data
