88
Terminals
Function
Explanation
X3.10
X3.11
Fault message, lag heat
pump in a cascade
or
Jumper
Floating contact required:
■ Closed: No faults
■ Open: Fault
■ Breaking capacity 230 V~, 0.15 A
With a connected message contact, no
jumpers should be installed.
X3.12
X3.13
or at exter-
nal exten-
sion H1
Signal "External demand"
(external starting of com-
pressor and pumps, mixer
in control operation or
OPEN, changeover of
operating mode of several
system components)
Requires floating
N/O
contact:
■ Closed: Requirement
■ Open: no demand
■ Breaking capacity 230 V, 2 mA
Note
■ These or other external functions, such
as swimming pool water heating, cas-
cade or external set value default can
alternatively be connected via external
extension H1.
Installation instructions "External
extension H1"
■ If a swimming pool water heating facility
is connected to external extension H1,
no other external function can be con-
nected to external extension H1.
X3.17
X3.18
Fuse F1 6.3A (slow)
Controller and sensor PCB
Set the required parameters during com-
missioning; see from page 108.
Note
■ Plug F11:
Nothing must be connected to plug
F11 on site.
■ Flow temperature sensor for heat-
ing circuit with mixer (M3):
The flow temperature sensor for one
heating circuit with mixer (M3) is con-
nected to the extension kit for heating
circuit with mixer (accessory).
Installation sequence
Electrical connections
(cont.)
5600 161 GB
Summary of Contents for BW 01.A06
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