41
A
[{S
DE
[{{]
0-10V
f-]
A
[{A
DE
[{D
DE
+ -
5 6
3 4
1 2
1 2
E
L1
N
C
B
D
Fig. 42
A
EA1 extension
B
Connection to controller and sensor PCB
C
Floating N/O contact 1: The agreement of the
power supply utility may be required
D
Floating N/O contact 2: The agreement of the
power supply utility may be required
E
Power supply 1/N/PE 230 V/50 Hz
Note
■
If Smart Grid is enabled (
"Enable Smart Grid 7E80"
set to
"1"
), both inputs DE2 and DE3
cannot
be
used for signals "External demand" or "External
blocking".
■
The power-OFF function is integral to Smart Grid.
Therefore do
not
connect the power-OFF signal to
terminals X3.6 and X3.7. Do
not
remove jumper.
Closing the heat pump
!
Please note
If a casing door is not securely closed this can
lead to damage from condensation, vibrations
and excessive noise.
■
Seal the appliance so it is soundproof and dif-
fusion-proof.
■
On pipe and hose outlets, ensure the thermal
insulation is seated correctly.
Danger
The absence of system component earthing can
lead to serious injury from electrical current and
component damage in the event of an electrical
fault.
Attach earth conductor to front panel and side
panel.
Installation sequence
Power supply
(cont.)
5700 542 GB
Installation
