5 Installation
18
Installation and maintenance instructions aroCOLLECT 0020217119_01
5.9.1
Switch box
L1L2L3 N PE
1
2
3
4
6
7
5
1
Switch box
2
Strain relief
3
eBUS line
4
Connection box
5
Strain relief
6
Voltage supply line
7
Cable duct
5.9.2
Air/brine collector controller PCB
L3 L2 L1 N
1
2
3
4
5 6
7
8
9
10
11
12
1
Fan control signal con-
nection
2
eBUS connection
3
eBUS address switch
(default setting 1)
4
TT40 sensor connection
(pink); TT34 sensor
connection (white)
5
Operating LED
6
Controller PCB power
supply
7
F1 T2 230 V fuse for
fan and safety cut-out
8
Fan voltage supply
9
Safety cut-out connec-
tion
10
De-icer connection
11
Optional 200 W connec-
tion accessory
12
F3 T2 230 V fuse for
optional connection
accessory
Display
Meaning
Flashing slowly
OK
Display
Meaning
1 x brief flash
Fan fault
2 x brief flash
Fault TT40 (air inlet)
3 x brief flash
Fault TT34 (hot brine)
4 x brief flash
The safety cut-out has been triggered.
Fuse F1 is defective.
5 x brief flash
No eBUS connection to the heat pump's
controller PCB
6 x brief flash
Power supply not OK (1-2 phases are
missing) or safety relay (OMU) is defect-
ive
The flashing period lasts for approx. 3-4 seconds.
5.9.3
Establishing the power supply
eBUS
400 V
400 V
1
1
1
1
400 V power supply
network (on-site)
Electrical wiring of
one
air/brine collector
eBUS
400 V
400 V
1
1
2
2
1
2
1
400 V power supply
network (on-site)
2
eBUS distributor (on-
site)
Electrical wiring of
two
collectors