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1293809-W2-E
Use the table below to calculate the actual head of water (x) needed in your
installation.
A = Total length of 15 mm pipe in hot water supply pipe run*
B = Total length of 22 mm pipe in hot water supply pipe run*
C = Total length of 15 mm pipe in cold water supply pipe run*
D = Total length of 22 mm pipe in cold water supply pipe run*
*Measure from the base of the cold water cistern to the relevant inlet port on the
Mira Event XS.
Size
Hot Water Supply
Cold Water Supply
Pipe Run / Qty of Elbows
Head Loss
(mm)
Pipe Run / Qty of Elbows
Head Loss
(mm)
15 mm Pipe A x 120
......... x 120
C x 120
......... x 120
22 mm Pipe B x 20
......... x 20
D x 20
......... x 20
15 mm
Elbow
No of
Elbows
......... x 55
No of
Elbows
......... x 55
22 mm
Elbow
No of
Elbows
......... x 15
No of
Elbows
......... x 15
Add the minimum effective
head required
+80
Add the minimum effective
head required
+80
Required head of water =
x mm
Required head of water =
x mm
Example:
With A = 1.5 m, B = 2.5 m, C = 2.2 m, D = 0 m.
Size
Hot Water Supply
Cold Water Supply
Pipe Run / Qty of Elbows
Head Loss
(mm)
Pipe Run / Qty of Elbows
Head Loss
(mm)
15 mm Pipe A x 120
1.5 m
x 120
180
C x 120
2.2 m
x 120
264
22 mm Pipe B x 20
2.5 m
x 20
50
D x 20
0 m
x 20
0
15 mm
Elbow
No of
Elbows
3
x 55
165
No of
Elbows
3
x 55
165
22 mm
Elbow
No of
Elbows
2
x 15
30
No of
Elbows
0
x 15
0
Add the minimum effective
head required
+80
Add the minimum effective
head required
+80
Required head of water =
x mm
505
Required head of water =
x mm
509
Содержание Mira Event XS
Страница 8: ...8 1293809 W2 E Dimensions are in millimetres 310 84 115 80 66 28 20 210 Dimensions...
Страница 21: ...21 1293809 W2 E 12 11 1 10 Fitting the Cover...
Страница 24: ...24 1293809 W2 E 5 6 1 min H H C C 2 3 5 6 7 8 9 Residual water may drain for a few minutes 7 8 Stop Start...
Страница 29: ...29 1293809 W2 E 4...
Страница 39: ...39 1293809 W2 E Notes...