E93.1001EN.C Manual CD
+
54
T
HREE
CD
+
180
WATER HEATERS WITH FIVE
EWD750
TANKS
Water heater connections, encoding:
For this system rule 2 must be applied.
Number the water heaters: water heater-1 is the water heater furthest from the tank(s).
Encode de connection pipes directly connected to the water heaters D1, see picture.
Encode de horizontal connection pipes:
-
flow pipes starting at water heater-1: D1, D2, D, see picture.
-
return pipes starting at water heater-last (= water heater-3): D1, D2, D, see picture.
Pipe sizes, water heater side:
From
tables A, B and C
, CD
+
180:
-
All pipes D1 in the picture must measure at least 54
1,5 [mm
mm] (tables
A
and
B
)
-
The pipes D2 must measure 93
2,3 [mm
mm] (table
B
).
-
The pipes D must measure 106
2,5 [mm
mm] (table
C
).
-
Tank connections:
From table
D
, 5
th
block (CD
+
180): for 5 tanks is D
T
= 54
1,5 [mm
mm].
Resulting set-up see next page
→
D1
D1
D1
D1
D1
D2
D1
D
D
D2
D1
D
D1
1
2
3
D
D
tanks
3 water heaters
CD
+
180
D
D
T
D
T
D
T
D
T
D
D
D
T
D
T
D
D
D
D
T
D
T
D
D
T
D
T
D
D
KOUD IN
5 tanks
EWD750
Example 3
COLD IN
