Air-to-water Heat Pump
8
Note:
①
In this case, three-way valve should be installed and should be complied with installation of this
manual;
②
Sanitary water tank should be equipped with internal electric heater to to secure enough heat
energy in the very cold days;
CASE 3 : Connecting Sanitary Water Tank and Heat Emitters for Heating and Cooling
Indoor
Outdoor
Booster heater
Sanitary water tank
Under-floor coil
Radiator
Shut off value
By-pass value(Field supply)
Remote room Thermostat(Field supply)
High temperature
temperature line
line
T
B
3-way value
(Field supply)
B
FCU 1
FCU2
M
T
M
2-way value(Field supply)
Two-way valve is very important to prevent dew condensation on the floor and Radiator while
cooling mode.
