LG PAHCMW000 - Piping Installation

14
PIPING INSTALLATION
ENGLISH
PIPING INSTALLATION
Installation of bypass, non-return and EEV Valve
When used with Multi V Outdoor unit a bypass valve and non-return valve must be installed in the
refrigerant cycle following the diagram and table below. The solenoid valve must be connected to
the bypass valve output on the communication module.
1 Refrigerant Inlet
2 Refrigerant Outlet
3 EEV
4 Solenoid Valve (NC) - Field supplement
5 Non-Return Valve - Field Supplement
M
2
1
5
4
3
Refrigerant Side Water Side
Capacity (kW)
EEV Type
System
Compatibility
Kv Value of Solenoid and
Non-Return Valve
Pipe size for
bypass
Min Max
3.6 28
PAEEVC000
HP/HR 0.95 3/8" / 9.52mm
PRLK048A0
> 28 56 PRLK096A0 HP 1.90 1/2" / 12.7mm
NOTE
• The solenoid valve must be a normally closed type (NC)
• The non-return valve must be a type without preloaded spring
• The valves must be selected as close as possible and preferably not smaller than the Kv
value from the table above.
• Connection of PRLK594A0 is not possible
Heat
Exchanger