*Truma AC and iNet are connected
to the TIN Bus port.
Optional board for Compact 3020 HE
* The automatic climate control func-
tions with:
- Truma Aventa comfort
- Truma Aventa eco
- Truma Saphir comfort RC
- Truma Saphir compact
(serial no. > 23091001)
Saphir compact needs a Truma adapter 40090-69300
OUT 12V DC
CONNECTED TO HEATER
FUSE 3,15 A
ALDE FLOW
EIS EX
HEATER
12 V DC
+
-
Fuse 3,15 A
12 V DC
12 V
pump
Control panel
Tin bus
Option board/
Mechanical panel
External
start
Window
sensor
Load
monitor
Outdoor
sensor
D
E
I
F
Circuit board on
Compact 3020 HE boiler
12V DC
+
-
9. CABLE CONNECTION COMPACT 3020 HE AND OPTION BOARD (accessory)
Connect accessories to the boiler as shown in the diagram below.
Do not clamp or bind 12V cables or sensor cables
together with 230V cables. The cables should prefer-
ably not be placed close to each other. If the cables are
bundled, the risk of malfunction increases.
To protect against malfunction only use original Alde
cables, shielded cable for EMC.