Westinghouse 18K, Инструкции по использованию и установке

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6
Installation instructions
The shorter piping length is, the better the performance will be. So the connecting pipe should be as short as
possible.
1. Piping requirement
2. Piping material
(1) Prepare locally - supplied copper pipes .
(2) Select clean copper pipes . Make sure there is no dust and moisture inside of the pipes . Blow the inside of the pipes
with nitrogen or dry air to remove any dust or foreign materials before connecting pipes .
Refrigerant additional charge
The unit has been filled with refrigerant, but if exceeds 25 ft. (7.6m), additional refrigerant (R410A) charge is
required.
For 9K~18K: Additional refrigerant charge =(L-25)
×
0.161 oz/ft
For 24K~36K: Additional refrigerant charge =(L-25)
×
0.376 oz/ft
Refrigerant piping
Model
Outer Diameter of Pipe
in. (mm)
Gas Liquid
9K/12K ø3/8(ø9.52) ø1/4(ø6.35)
18K ø1/2(ø12.7) ø1/4(ø6.35)
24K ø (ø15.88) 5/8 ø (ø9.52) 3/8
36K ø (ø19.05) 3/4 ø (ø9.52) 3/8
Pipe length L
Height difference H
Indoor unit
Outdoor unit
(3) Piping thickness and material of the pipe are shown as below .
Model
Max. Pipe
length (L) Max. Height
difference (H)
Add. Refrigerant
[exceed 24.6 ft. (7.6m)]
9K/12K 82 ft. (25m) 33 ft. (10m) 0.161 oz/ft (15g/m)
18K 98 ft. (30m) 49 ft. (15m) 0.161 oz/ft (15g/m)
24K/36K 164 ft. (50m) 98 ft. (30m) 0.376 oz/ft (35g/m)
Thickness
[in. (mm)]
Diameter
[in. (mm)]
ø
1/4 (6.35)
ø
3/8 (9.52)
ø
3/4 (19.05)
ø
1/2 (12.70)
ø
5/8 (15.88)
1/32 (0.8)
1/32 (1.0)
1/32 (0.8)
1/32 (0.8)
1/32 (1.0)