Connecting The Outdoor Unit Pipe - Samsung DVM PLUS III HR Installation Manual

installing the unit
REFRIGERANT PIPING WORKS

Connecting the outdoor unit pipe

Heat Pump
Working process
Single
installation
Combination
installation
Caution for connecting the pipe
• When connecting the pipe to the unit, the unit may get damaged by a welding fire and a flame.
CAUTION
• The O-ring and Teflon packing inside service valve may get damaged by a welding fire. Wrap the
• The connecting pipes of liquid side and gas side should not contact each other.
22_ installing the unit
DVM PLUS3 HR_IM_E_32805-2.indd 22
Connection from front side
• First, remove the cover from unit.
• Separate the knock-out hole to use.
If the hole is open, small animals such
as squirrels and rats may get into the
unit through the hole and the unit may
be damaged.
• Fix the pipe cover of bottom side and fix
the pipe cover of upper side thereafter.
Gas side
pipe
High pressure gas side pipe
Gas side
pipe
High pressure gas side pipe
Use a flame proofing cloth to protect the unit from a welding fire or flame.
Ambient air temperature sensor for detecting outside temperature is located on the left side of
the welding part. Make sure not to damage the temperature sensor when welding it.
bottom side of the service valve with a wet cloth and weld it as shown above. Make sure not to
interrupt the welding with the drops of the wet cloth.
Vibration may cause a damage to the pipes.
Connection from bottom at the
left/right side
• Separate the knock-out hole at the
bottom side of the unit and install
the pipe.
• After installing and insulating the pipe,
close up the remaining gap. If the gap is
remain open, small animals such as rats
and squirrels may get inside the unit and
cause damage to the unit.
Gas side
pipe
Liquid side
pipe
Knock-out hole
High pressure gas side pipe
Gas side
pipe
Liquid side
pipe
Oil
balancing
Knock-out hole
valve
High pressure gas side pipe
Liquid side
pipe
Liquid side
pipe
Oil
balancing
valve
2011-11-11 오후 4:18:18