N10
N9
N8
N7
H
M
L
N3
N6
G
N2
N5
E
K
N1
A
N4
C
J
135
90
13
ECOTHERM
Heat transfer solutions
®
Operating Instructions High Capacity Water Heaters Models EHRE/EHPE & EDRE - ELC 11
3.5 Connection Dimensions and heights
fig 6: Connection schema
Table 1b: Secondary circuit connections (Primary circuit
connections: Refer to section 4.10)
Table 1c: Connection heights
storage
capacity
a
J
K
C
l
e
G, M
H
liter
mm mm mm mm mm mm
mm
mm
300
115
280
300
440 1100 940
1670
1850
540
115
280
300
440 1100 940
1670
1940
750
115
280
300
440 1100 940
1670
1980
1000
115
280
300
440 1100 940
1670
1980
1250
115
280
300
440 1100 940
1670
2000
1500
115
280
300
440 1100 940
1670
2010
2000
115
280
300
440 1290 1190
1670
2030
2500
115
280
300
440 1290 1190
1670
2540
3000
115
280
300
440 1290 1190
1670
2580
4000
115
280
300
440 1290 1190
1670
2610
5000
115
280
300
440 1290 1190
1670
2620
installation and assembly
Connection
size
angle ° Description
N1 below 2000L
1“ ext
90°
Drain
N1 from 2000L
6/4“ ext
90°
Drain
N2
2“ ext
270°
Cold water inlet
N3 below 2000L
DI 200
270°
Cleaning flange
N3 from 2000L
DI 400
270°
Manhole
N4 up to 300kW
5/4“ ext
90°
Water outlet to external
heat exchanger
N4 above 300 kW
or from 425 kW
6/4“ ext
2“ ext
90°
Water outlet to external
heat exchanger
N5, N6
1/2“ int
90°
Temperature sensors
N6=T1(on), N5=T2(off)
N7
6/4“ ext
270°
Circulation
N8 up to 300 kW
5/4“ ext
90°
Hot water from external
heat exchanger
N8 above 300kW
or from 425 kW
6/4“ ext
2“ ext
90°
Hot water from external
heat exchanger
N9
1“ int
on top Air vent
N10
2“ ext
270°
Hot water outlet
