LG LH247HV Engineering Manual page 56

reFrigerant PiPing deSign
refrigerant Piping System Layout
outdoor unit refrigerant Piping Connections
Figure 41: Removing the Refrigerant Piping
Connection Cover (LUU247HV).
Piping Connection for a Single Zone System
1. Remove the connection cover from the unit by loosening the screws.
2. Align the center of the refrigerant pipe and corresponding connection, and tighten the flare nut by hand.
3. Tighten the flare nut with a torque wrench until the wrench clicks. See page 57 for guidelines for the torque amount to use.
indoor unit refrigerant Piping Connections
Figure 44: Ceiling-Concealed Duct (High Static) Refrigerant Piping Connections.
Liquid Piping
Connection
Vapor Piping Connection
Insulation for Refrigerant Piping
(Field-Supplied) Insulation for Field-Installed Piping
56 | duct (HIgH StatIc)
Figure 42: LUU247HV Refrigerant Piping
Connections.
Connection cover
Insulation for Refrigerant Piping
(Field-Supplied)
Clamp for Insulation
(Field-Supplied)
Insulation
(Field-Supplied)
(Field-Supplied)
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG" is a registered trademark of LG Corp.
Figure 43: LUU367HV Refrigerant Piping
Connections.
Outdoor unit
Liquid side piping
(Smaller diameter)
Torque wrench
Gas side piping
(Bigger diameter)
Piping can be installed
in one of four different
layouts.