15
RAK43 / © Ensto 2017
X2
X3
X1
20 21
230 V AC
L1
N
PE
10 11 12 13 14 15
16 17 18 19 20 21
1 2 3 4 5 6 7 8 9
ALARM
LOAD
82 kΩ / ECOA904
ECOA903
ECOA904
10
11
12
13
14 15
16 17
18
19
20 21
-20 T 50
NC
230 V
~
ALARM
230 V / 2 A
HEATER
230 V / 16 A
white grey green yellow brown
blue
ECOA901/ECOA903
ECOA902
ECOA904
ECOA904
or 82 kΩ
blue brown
1 2 3 4 5 6 7 8 9
NC
brown
white grey yellow brown
white
grey
green
yellow
brown
blue
brown
ECO900
82 kΩ
82 kΩ
ECO900
Frost Protection Control
MENU
VALUE
ENTER
4