Airwell AWAU-YDV1010-H13, Руководство по обслуживанию

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Outdoor gather pipe
Outdoor 1
Indoor 1
Indoor 3
Indoor 2
Indoor 4
e
a
a
a
a
e
d
b
b
c
e
Outdoor 2 Outdoor 3
The first branch pipe
1. Pipe a (indoor-branch pipe) diameter: decided by connected indoor capacity
Indoor rated
capacity (x100w)
Gas pipe Connecting
method d
Liquid
pipe
Connecting
method d
Note
22~28 9.52
Flared
6.35
Flared
AS07/092MGERA gas pipe should be
12.7
AS182MGERA gas / liquid pipe should be
15.88 / 9.52
36~56 12.7 6.35
71~140 15.88 9.52
226~300 25.4
Braze
9.52
450~600 28.58 12.7
(1) When pipe length between indoor & nearest branch pipe ≥15m, adjust in accordance with following criteria:
①
If indoor rated capacity≤5.6kW, change gas / liquid pipe diameter to 15.88 / 9.52
②
If 16.8kW≥ indoor rated capacity>5.6kW, change gas / liquid pipe diameter to 19.05 / 9.52
③
If indoor rated capacity>16.8kW, change liquid pipe diameter to 12.7
(2) When pipe length between first branch pipe & farthest indoor is over 40m, pipe b (between first branch pipe
& farthest indoor) should be enlarged one size.
(3) Selection of pipe diameter