75
!
Please note
'Live' contacts lead to short cir-
cuits or phase failure.
The external connections must
be potential-free.
A
B
C
D
STB N STB
TR TR
ON ON
150
P
P
P
A
Jumper "STB" – "STB"
B
Low water indicator, minimum pres-
sure limiter
C
Maximum pressure limiter
D
Further safety equipment
1. Remove jumper "STB" – "STB". 2. Connect the external safety equip-
ment in series to plug
aBÖ
.
Installation sequence
Connecting the external safety equipment
(cont.)
5600 634 GB
Installation
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