LG AHBW Series, Руководство по установке

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General Information
10 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 and cooling
(Under floor loop, Fan coil unit, and Radiator)
R
A
T
Outdoor Indoor
Floor heating loop Fan coil unit Radiator
High temperature Room thermostat(field supply)
2way valve
(field supply)
By-pass valve(field supply)
Low temperature
Expansion tank Strainer (Mesh: 1 mm × 1 mm)
Remote controller
E/T
Electric heater
E/H
S
R
Air vent
A
Typical Installation Example
Note :
• Room thermostat
- Type of thermostat and specification should be complied with chapter 6 of
installation manual.
• 2way valve
- It is important to install 2way valve to prevent dew condensation on the floor and radiator while
cooling mode.
- Type of 2way valve and specification should be complied with chapter 6 of
installation manual.
- 2way valve should be installed at the supply side of the collector.
• 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.