Carrier 38VMH Series, Инструкция по установке и обслуживанию, Страница: 14 / 26

14
Fig. 21 —Piping Lengths and Drop Height
Table 7 — Permitted Pipe Lengths and Drop Heights
Table 8 — Extending Pipe Diameters
DESCRIPTION ALLOWABLE VALUE (ft) PIPES
Piping Length
Total Extension of Pipe
(Liquid Pipe)
Actual Length 3280
La + Lb + Lc + Ld + A + (B + C + D
+ E) x 2 + a + b + c + e + f
Distance Between Outdoor
Units
Actual Length 13 La, Lb, Lc, and Ld
Furthest Piping Length L
Equivalent Length ≤ 738
La + Ld + A + C + E + d
Actual Length ≤ 656
Furthest Equivalent Piping Length From the First Y-Joint
L1
≤ 131 / 295 C + E + d
Height
Difference
Height Between Outdoor
and Indoor Unit H1
Outdoor Unit Above 164 ---
Outdoor Unit Below 131 ---
Height Between Indoor Units H2 98 ---
CONDITION PIPES TO INCREASE INCREASED PIPE SIZE
If distance from the first Y-joint to the last Y-
joint (pipes C+E+d) is
≥
131 ft or
≤
to 295 ft
B, C, D, E
ø 3 /
8
in.
→
ø 1 /
2
in. ø 1 /
2
in.
→
ø 5 /
8
in.
ø 5 /
8
in.
→
ø 3 /
4
in. ø 3 /
4
in.
→
ø 7 /
8
in.
ø 7 /
8
in.
→
ø 1 1 /
8
in. ø 1 1 /
8
in.
→
ø 1 3 /
8
in.
ø 1 3 /
8
in.
→
ø 1 5 /
8
in.