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Värmebaronen EP- 900, -1080, -1200, -1400
Electrical installation
Pressure guards - Safety equipment
To ensure that the boiler's safety system works
as intended, external safety equipment must be
connected as shown below!
If the boiler was supplied without pressure guards, the instal-
lation must be supplemented with pressure guards. Connec-
tion as shown in the figure.
1 2 3 4 5 6 7 8 L 10
N
N N N
X01
P
1
2
3
Pz+
P
1
2
3
Pz+
1
2
3
Pz-
P
1
2
Pz- low pressure guard
Pz+ high pressure guard
Alternatively, if the boiler can share the safety equipment
with other boilers in the installation.
1 2 3 4 5 6 7 8 L 10
N
N
N
N
X01
230V~
1
The alarm signal, 230 V~, from existing safety equipment, is
connected to terminal 1.
Please note that the alarm signal must be of the same
phase as that used for the boiler's control!
Restart after power cut
The boiler requires manual restart after a power cut.
Disconnection of the function must be evaluated
in collaboration with the end-user and accepted
by the accredited body that assesses the periodic
monitoring of the boiler.
Reconnection
Move cable marked "22":
From
: START button
5
, clamp "13"
To
:
STOP button
6
, clamp ”14”.
After reconnection:
8
S1
START
STOP
14 13
S2
14 13
14
2
8
S1
START
STOP
14 13
S2
14 13
14
2
22
22
6
5
After reconnection:
8
S1
START
STOP
14 13
S2
14 13
14
2
8
S1
START
STOP
14 13
S2
14 13
14
2
22
22
6
5
All other cables should remain in their positions!
The boiler will start automatically when the voltage returns
after a voltage loss.
