27
HYDRAULIC CIRCUITS (EXAMPLES)
Hinweis
: Bei Anlagen ohne
hydraulischer Weiche entf
ä
llt
der R
ü
cklauff
ü
hler B 70
NETZ 230V AC
M3
T
B3
T
B9
A6
M
M2
A6
T
B1
Y1
T
B10
1)
1)
M1
zu weiteren
Heizkreisen mit EC M/SGB 2,
ZR EC 1/2, EC MSR bzw. EC M
B70
Hydraulische Weiche,
Sonderzubeh
ö
r
(bauseits)
NETZ
230V AC
NETZ
230V AC
M5
T
N7
NETZ
230V AC
NETZ
230V AC
M
2)
N, N8, K1, N7
N, K1, N7
N, K1, N7
N, N2, N9
M
2)
M
2)
M
2)
SGB 2 (Nr. 1)
SGB 2 (Nr. 2)
SGB 2 (Nr. 3)
TE/L/FB (Nr. 4)
Legend:
A6
Room control QAA 70 or QAA 50
B1
Flow sensor QAD 21
B3
Tank sensor QAZ 21
B9
Outdoor temp. sensor QAC 31
B10 Flow sensor QAD 21
B70 Return sensor QAD 21
K1
Bus module CIB
Example
14
:
Mixed cascade with condensing and non condensing boilers (3 EUROCONDENSE PLUS and
(Hydr. System
“
80
”
)
1 non condensing boiler) with 1 BCA 2 and 1 EUROCONTROL KK.
1 VTC (up to 15 possible), 1 CTC, including DHW tank temperature control:
1 CTC and 1 VTC (up to 15 circuits possible) including DHW tank temperature control (via BCA 2)
M
Boiler pump
(exit M1 of individual boiler)
M1 Pump, CTC (to BCA 2)
M2 Pump, VTC (to BCA 2)
M3 Tank charging pump (to BCA 2)
N
Control unit LMU
N2
EUROCONTROL KK
N7
EC M / EC ZR 1/2 / EC MSR
for mixer circuits
N8
EC BCA 2
Y1
3 way valve *)
1) M1 or M5, before or behind the tank,
see param. 99 of BCA 2 for details.
Mains 230V AC
to other circuits
with EC M/SGB 2,
ZR EC 1/2, EC MSR or EC M
Note:
In applications without
primary loop, return sensor
B70 is not used.
Header
Mains
Mains
Mains
Mains
Boiler N
o
1
Boiler N
o
2
Boiler N
o
3
Boiler N
o
4
(non condensing)
Explanations on the examples (necessary parameter changes, settings etc):
Parameter Name
Factory setting
New setting
Remarks
Example 1b
618
KonfigEingangR
0
6
Set input to
“
flow sensor
“
619
KonfigAusgang1R
2
8
Set output to
“
secondary loop pump
“
–
Connect pump M1 to exit M1
–
Connect pump M6 (max. 0.5 A) and sensor B6 to CITF (optional extra)
Example 2a/2b
552
HydrSys
2
50
with CIM
66
with ZR EC 1/2
553
KonfigHks
21
21
Both circuits controlled by RRG
(see table 10 for details)
10
CTC controlled by HKM/EMS
VTC controlled by RRG
615
KonfigAusgang
2
0
2b (primary loop pump) only
558.0
KonfigRg4
0 (OFF)
1 (ON)
2b (primary loop pump) only
Summary of Contents for EC Plus 120
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