A.O. Smith AHD 290 - Manual (Page 42)

1.5 Water circuit – description
The water circuit will be constructed with respect to the applicable norms and re-
quirements. Please see the specifications in sections 3.1 and 3.2.
1.5.1 Requirements for the water circuit
Depending upon the materials used in the water circuit of the dwelling,
incorrect material combinations can lead to corrosion damage due to
galvanic corrosion. This requires special attention with the use of
galvanized components and components that contain copper.
1.5.2 Dimensions
42
Dimensions (all measurements are in mm,
except when indicated other wise)
Description AHD 290
A Total height 1815
B Height of top of appliance 1790
D Appliance diameter 660
G1 Air inlet diameter 160
G2 Air outlet diameter 160
H Height air in-/outlet 1815
Hx1 x-position air inlet 190
Hx2 x-position air outlet 480
Hy1 y-position air inlet 200
Hy2 y-position air outlet 470
J Height air inlet 60
M Height of cold water supply 110
N Height of hot water outlet 1410
P Height of cleaning opening 45
V Height of recirculation connection 820
W Height condensation drain 1345
Z Height of electric element connection 925
1 Cold water supply connection (male) R 1”
2 Hot water outlet (male) R 1”
6 Cleaning/inspection opening Ø 110
7 Condensation drainage connection (female) Ø 12
11 Electric element connection (female) G 1 1/2”
14 Recirculation connection (female) R 1”