'15 • HM-T-246
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Case 2. Heat pump unit is installed higher the unvented cylinders
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(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 p mp nit is installed hi her the n ented c linders
in each cylinder
Relief valve
Automatic air purge
Negative pressure check valve
Pressure reducing valve
Booster pump
Within 15m
p
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Содержание ESA30E-25
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