'15 • HM-T-246
-
77
-
Case 2. Heat pump unit is installed higher the unvented cylinders
-
(1) Supply hot water to downstairs
(2) Drift and parallel control
①
(3) Hot water supply system
Automatic air purge valve
Negative pressure check valve
Unvented cylinder
Up to 5m
When hot water in one system becomes cold,
shut up such system with stop valve.
The heat pump water heater for commercial use equips
the output terminal for such control.
Since hot water in one system flowing out easier
becomes colder early, cold water flows into the
hot water supply line.
Becomes colder Keeps hot
②
ase 2. eat pmp nit is installed hiher the nented clinders
in each cylinder
Relief valve
Automac air purge
Negave pressure check valve
Pressure reducing valve
Booster pump
Within
15m
p
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