Operating Instructions and Installation Instructions

25
Installation - for contractors
14. 
WARNING Electrocution

poles from the power supply.

The appliance can be drained for maintenance work.
WARNING Burns

» Close the shut-off valve in the twin connector or the
cold water inlet line.
» Open all draw-off valves.
» Undo the water connections on the appliance.
» If dismantled, store the appliance in a room free from
the risk of frost, as water residues remaining inside
the appliance can freeze and cause damage.

26_02_02_0949
If dirty, clean the strainer in the threaded cold water tting.
Close the shut-off valve in the cold water inlet line before
removing, cleaning and retting the strainer.
15. 
15.1 
395
100
485
325
45
5
93
226
190
50
112
190
35
c01
c06
b02
D0000017757
b02 Entry, electrical cables I
c01 Cold water inlet Male thread G 1/2 A
c06 DHW outlet Male thread G 1/2 A

325
50
50
35
40
b03
b02
b04
b04
b04
D0000019778
b02 Entry, electrical cables I
b03 Entry, electrical cables II
b04 Entry, electrical cables III
15.2 
3/PE ~ 400 V
85_02_02_0002
Priority control with LR 1-A
85_02_02_0003_
2
1
1 Control cable to the contactor of the 2nd appliance
(e.g. electric storage heater).
2 Control contact opens when switching the instanta-
neous water heater on.