2
Man-
datory
Refrigerant
pipe
Gas pipe requirements: outer diameter of 7/8 inch (22.22 mm) ; thickness of
1.2 mm; operating pressure ≥ 4.5 MPa
Liquid pipe:
L ≤ 60 m: 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: outer diameter of 3/4 inch (19.05 mm) ; wall thickness of
1.0 mm; operating pressure > 4.5 MPa
Thermal insulation foam: thickness ≥ 9.2 mm
Oil trap and inverted trap, and refrigerant pipe supports
Water pipe
Humidifier water inlet pipe (optionally configured for the humidifier and the
humidifier hose is provided for the smart cooling product)
• Rigid pipe: G 1/2 inch rigid pipe connector with external thread, rigid pipe
(such as PP-R pipe)
• Hose: G 1/2 inch pagoda connector with external thread, hose (such as
EPDM pipe)
Humidifier water inlet pipe (optionally configured for the humidifier and the
humidifier hose is not provided for the smart cooling product): (PP-R and
other pipes) active connector: G3/4 inch internal thread, rigid pipe, elbow
Drainpipe:
• Rigid pipe: BSPT 1/2 inch rigid pipe connector with external thread, rigid
pipe (such as PP-R pipe)
• Hose: BSPT 1/2 inch pagoda connector with external thread, hose (such as
EPDM pipe)
Water-cooled module: cooling water supply and return pipes, steel pipes
having G1-1/2 inch connectors with external threads
Thermal insulation foam: thickness ≥ 9.2 mm
Cable
specificati-
ons
• Indoor unit power cable: 5 x 10 mm
2
• Outdoor unit power cable: 5 x 2.5 mm
2
(Do not use the N wire onsite.)
• Equipotential ground cable: 6 mm
2
outdoor copper cable
• Power cable for the water-cooled module: 3 x 1.5 mm
2
• (Optional) Power cable of the low temperature component: 2 x 1.5 mm
2
• (Optional) Signal cable between the indoor and outdoor units: 3 x 1.5 mm
2
Electrical power cable, 300 V, SJTW, 3 x 16 AWG, black (three cores: black,
white, and green), 10 A, shielded outdoor cable, UL
Optio
nal
Cable and
base
Temperature and humidity (T/H) sensor outside the cabinet and cable;
determined based on scenarios: indoor unit base, outdoor unit support or
concrete base, and water-cooled module concrete base
2
Onsite Preparations
1. The signal cable for the indoor and outdoor units
is mandatory when the outdoor unit is equipped
with an intelligent temperature control
monitoring board.
2. The shield layer of signal cable must be grounded.
3. Do not use shielded cables as outdoor unit power
cables.
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