29
Adjusting the function of the circulation pump
Hydraulic connection/connection require-
ments
Control unit setting
Coding address/group
Circulation pump setting
Single boiler system with:
■
Heating circuit without mixer
■
Connection without low loss header and with-
out heating water buffer cylinder
■
Max. pump speed:
E6: ... /heating circuit
■
Min. pump speed:
E7: ... /heating circuit
For further details, see following
diagram and chapter "Heating
circuit ..." under code 2.
Ext. In
Ext. In
2
6
12
12
2
6
Single boiler system with heating circuits con-
nected to low loss header or heating water buf-
fer cylinder
30:0/boiler/2
Ext. In
2
6
12
12
2
6
Recommended for
Δ
t = 15 K
■
49 kW: = 2
≙
2.80 m
3
/h
■
60 kW: = 3
≙
3.44 m
3
/h
Self-regulating pump
Pump is switched on and off via plug
sÖ
.
B
sÖ
L N
?
C
N
?
A
L
D
Fig. 34
A
Pump
B
To the control unit
C
Contactor
D
Separate power supply (observe manufacturer's
instructions)
Circulation pump at plug
sA
A
1~
M
sA
L N
?
Fig. 35
A
Circulation pump
Note
Connect DHW circulation pumps with standalone func-
tions directly to the 230 V
∼
supply.
Rated current
2(1) A~
Rated voltage
230 V ~
Set function of connected component in coding
address "39"
Function
Code
DHW circulation pump
39:0
Heating circuit pump for heating circuit
without mixer A1
39:1
Circulation pump for cylinder heating
(delivered condition)
39:2
Connecting external cables
(cont.)
5792 916 GB
Summary of Contents for CI1
Page 43: ...43 5792 916 GB ...
