CIAT Ereba He Series, Instruction Manual, Page: 38 / 96

EREBA He
EN-38
3.4.2 - Electrical connection
Figure 13: Electrical connection on terminal block for electrical booster heaters
Wa
te
r Loop
E
H
-
B
oo
st
er
O
ff
Peak
Lo
ad
sh
ed
R
equ
est
Po
w
er
L
im
it.
-n
igh
t m
od
e
kW
ma
x.
T>
Q
S
K001
A1 A2
EH1
T>
Tm
ax
Q
S
K002
A1 A2
EH2
Ac
c
DI#04- Safety Input Switch
CCN+ WUI CCN+ / B+
Ground CCN
CCN- WUI CCN - / B-
DI#01- O ff /On Switch (remote)
DI#02- Mode Cool/Heat (remote)
DI#03- Normal/Eco (remote)
DO#08- Customized
DO#09- Customized
DI#06- Customized
DI#07- Customized
DI#08- Customized
DI#05- Customized
Ground-Sensor [ Ω ]
AI#01- DHW Tank Temperature Sensor
AI#02- Chiller water System Temperature Sensor
AI#03- Indoor Air Temperature(Room Sensor)
AI#04- Outdoor Air Temperature Sensor
DO#06- DHW-V diver ti ng valve
DO#07- Electrical Heater EH#1/Boiler-On/O ff
Neutral
WUI +12V
WUI 0V
DI's#- Ground
Neutral
Neutral
Addi ti onal Pump
Heater
Ground
JBUS +
JBUS Ground
JBUS -
DO#05 - Customized
1
2
3
4
5
6
7
9
10
11
12
13
13
13
13
14
15
16
17
18
18
19
20
21
22
23
23
23
24
25
29
32
33
34
35
36
37
38
O
AT
3 - INSTALLATION OF SYSTEM