Installation
14 Air-to-Water Heat Pump
If is installed with pre-existing boiler, the boiler and should not be operated together. If
entering water temperature of is above 55 °C, the system will stop operation to
prevent mechanical damage of the unit. For detailed electric wiring and water piping, please contact
authorized installer.
Some installation scenes are presented for example. As these scenes are conceptual figures,
installer should optimize the installation scene according to the installation conditions.
CASE 1: Connecting heat emitters for heating
(Under floor loop, Fan coil unit, and Radiator)
R
A
T
Outdoor Indoor
Floor heating loopFan coil unit
Radiator
Room thermostat(field supply)
By-pass valve(field supply)
Strainer (Field supply Mesh: 1mm X 1mm)
Remote controller
R
Air vent
Shut-off valve(field supply)
Pressure gage(field supply)
Relife valve(field supply)
A
Installation Scenes
Note:
• Room thermostat
- Type of thermostat and specification should be complied with chapter 5 of the installation
manual.
• By-pass valve
- To secure enough water flow rate, by-pass valve should be installed at the collector.
- By-pass valve should guarantee minimum water flow rate in any case. Minimum water flow rate
is described in water pump characteristics curve.
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