Installation Of Protective Layer On Connection Pipe - Gree GMV-Pdhm224W/Na-M Installation And Operating Instruction Manual

Connection of Indoor and Outdoor Unit
Caution:
● For multi-split air conditioner system, each pipe shall be pasted with label to identify the pipe for each
system and avoid wrong connection.
●

Installation of Protective Layer on Connection Pipe

1. To avoid condensate dew or water leakage on connecting pipe, the high pressure gas pipe, low pressure
gas pipe and liquid pipe must be wrapped with heat preservation material and adhesive pipe for insulation
from the air. High- pressure gas pipe should be covered with heat insulator which can endure at 120
higher.
2. The joints on indoor unit and outdoor unit must be wrapped with heat preservation materials and have no
clearance against the wall surface of indoor unit and outdoor unit.
Caution:
When the pipe is properly protected, do not bend it to a very small angle; otherwise the pipe
might crack or broken.
3. Wrap the pipe with tapes.
Use the adhesive tape to wrap the connecting pipe and cable into one bundle. To prevent condensate
☆
water from overflowing out of the drainpipe, the drainpipe shall be separated from connecting pipe and
cable.
☆ Wrap the heat preservation tape so that each
Fix the wrapped pipe onto the wall with pipe clamp.
☆
Caution:
Do not wrap the protective tape too tightly, as this will decrease the heat insulation performance. Ensure
☆
that the drain hose of condensate water is separated.
☆ After completing the protection work and wrapping the pipe properly, close the wall holes with sealing
materials.
●
Connection of Communication Line for Indoor Unit and Outdoor Unit
Open the electrical box of indoor unit and outdoor unit. Insert the distribution line (communication line)
into electrical box via cable hole. Be sure to connect the indoor unit and outdoor unit in accordance with the
wiring diagram labeled on the unit. (Refer to the electrical wiring of indoor unit and outdoor unit). The
specification of power cable shall be selected in reference to the power capacity and installation
environment of the unit. If no error, press wire clip respectively onto the cables tightly and then reinstall the
electrical box cover. Magnetic rings shall be installed on two ends of the communication line.
No Clearance
无间隙
ring of tape shall press half of the previous ring.
43
or
℃