2
Mandatory
items
Refrigerant pipe
0 m < L ≤ 60 m:
Gas pipe: outer diameter of 7/8 inch (22.22 mm) ; wall thickness of 1.2
mm; operating pressure > 4.5 MPa
Liquid pipe: outer diameter of 5/8 inch (15.88 mm) ; wall thickness of
1.0 mm; operating pressure > 4.5 MPa
60 m < L ≤ 100 m:
Gas pipe: outer diameter of 1 inch (25.4 mm) ; wall thickness of 1.2
mm; operating pressure > 4.5 MPa
Liquid pipe: outer diameter of 3/4 inch (19.05 mm) ; wall thickness of
1.0 mm; operating pressure > 4.5 MPa
Thermal insulation foam, thickness
≥ 9.2mm
Oil traps and inverted traps , Pipe supports
Mandatory
items
(Optional)
Humidifier water
inlet pipe
•
Connecting rigid pipe (for engineering): G 3/4-inch inner screw
thread to rigid pipe connector, rigid pipe (made of PP-R or other
materials)
•
Connecting hose (for engineering): G 3/4-inch inner screw thread
to pagoda connector, hose (made of EPDM or other materials)
Drainpipe
•
Connecting rigid pipe (for engineering): G 3/4-inch outer screw
thread to rigid pipe connector, rigid pipe (made of PP-R or other
materials)
•
Connecting hose (for engineering): G 3/4-inch outer screw thread
to pagoda connector, hose (made of EPDM or other materials)
Thermal insulation foam
Cables
•
Power cable of NetCol8000-A045 indoor unit: 5 x 10 mm²
(L1/L2/L3/N/PE)
•
Power cable of NetCol8000-A060 indoor unit: 5 x 10 mm²
(L1/L2/L3/N/PE)
•
Power cable of NetCol8000-A090 indoor unit: 4 x 25 mm²
(L1/L2/L3/N) + 16 mm²(PE)
•
Power cable of NetCol8000-A120 indoor unit: 4 x 25 mm²
(L1/L2/L3/N) + 16 mm²(PE)
•
Power cable of outdoor unit: 4 x 2.5 mm² (L1/L2/L3/PE) (Prepare
tow groups of cables for the dual-system outdoor unit)
•
Signal cable of outdoor unit and indoor unit: 3 x 1.5 mm² (This
cable is required only for the outdoor unit configured with a
temperature control intelligent monitoring board, that is, the
52273539 or 52273541 outdoor unit. The following figure shows
the position of the temperature control monitoring board. This
cable is not required for other outdoor units.)
Base
Base of indoor unit (recommended for downflow unit) , outdoor unit
support or concrete base (determined based on scenarios)
2
Engineering Materials
