McQuay MDS030A Manual page 34

Balance Piping Connection
• Balance piping must be installed. Balance piping shall be connected through the hole of side panel or
base panel or the piping connection position with the other outdoor unit.
•
Balance piping shall be installed horizontally and orderly, and shall be lower than the access valve for
balance piping.
• Protect the balance piping carefully and avoid touching any other parts, especially need to keep the piping
from touching the wall of hole.
•
Balance piping connection with the unit is shown in below drawing.
Access valve for
balance piping (φ9.52)
Insulation and Protection for Connection Piping
• All connection piping shall be well insulated.
• All piping shall be well protected to avoid any bumping, trampling and rubbing with the surround when
vibrating. Otherwise the piping may be damaged, and affect the unit performance and safety, further more
other safety problems may occur.
Side panel hole
Base panel hole
page 33