Installation Details; Wrench Torque Sheet For Installation; Connecting The Cables; Pipe Length And Elevation - Fisher FSArt-70HF Service Manual

6 Installation details

6.1 Wrench torque sheet for installation

Outside diameter
mm
φ6.35
φ9.52
φ12.7

6.2 Connecting the cables

The power cord of connect should be selected according to the following specifications sheet.
Unit FSArt-70HF
2
mm 3x1,5
Communication wire between the indoor and outdoor unit:
Unit FSArt-70HF
2
mm 5x1,5
6.3 Pipe length and the elevation
Capacity
Btu/h GAS
3/8'' (φ9.52)
7k~12K
1/2'' (φ12.7)
18K 1/2'' (φ12.7)
Caution:
Capacity is base on standard length and maximum allowance length is base of reliability.
Oil trap should be install per 5-7 meters, but not definitely needed.
Torque
inch Kg.m
1/4 1.8
3/8 4.2
1/2 5.5
FSArt-90HF FSArt-120HF
3x1,5 3x1,5
FSArt-90HF FSArt-120HF
5x1,5 5x1,5
Pipe size
LIQUID
1/4'' (φ6.35)
1/4'' (φ6.35)
1/4'' (φ6.35)
FSArt-180HF
3x2,5
FSArt-180HF
5x2,5
Standard
Max.
length
(m) Elevation
B (m)
5 8
5 8
5 10
In case that more
than 8m.
15
Max. Additional
Elevation refrigerant
A (m) (g/m)
20 30
20 30
25 30