26
Connecting the pumps
B
A
1~
M
Fig. 21
A
Pump
B
To the control unit
Recommended connecting cable:
■
H05VV-F3G 0.75 mm
2
or
■
H05RN-F3G 0.75 mm
2
Available pump connections
Rated relay out-
put breaking ca-
pacity at 230 V
∼
sÖ
Heating circuit pump A1
(heating circuit without mix-
er)
2 (1) A
∼
*1
sA
Circulation pump for cylin-
der heating
2 (1) A
∼
*1
sK
DHW circulation pump
2 (1) A
∼
*1
Note
Connect DHW circulation pumps with standalone func-
tions directly to the 230 V
∼
supply.
Note
The circulation pumps for heating circuits with mixer
are connected to the mixer extension kit (accessories).
Outside temperature sensor
!
Fitting location for outside temperature sensor
■
North or north-westerly wall, 2 to 2.5 m above
ground level; in multi storey buildings, in the upper
half of the second floor
■
Not above windows, doors or vents
■
Not immediately below balconies or gutters
■
Never render over.
Outside temperature sensor connection
2-core lead, length max. 35 m with a cross-section of
1.5 mm
2
*1
Total max. 4 A
∼
.
Installation sequence
Electrical connections
(cont.)
6136330
Installation
