36
V.1
(a) Minimum cable section AWG18 (0.75 mm
2
).
(b)The thermistor cable are delivered with the unit
if the current of the load is large, an AC contactor is needed.
1
2
3
4
5
9
Description
AC/DC
Required number of conductors
Maximum running current
Item
DHW pump control cable
SV2: 3-way valve control cable
SV1: 3-way valve control cable
Booster heater control cable
Room thermostat cable
User interface cable
Solar energy kit signal cable
AC
2
200mA
AC
5
200mA
AC
2
200mA(a)
AC
2
3
200mA(a)
AC
200mA(a)
AC
3
200mA(a)
AC
2
200mA(a)
6
7
8
Outside circulation pump control cable
Solar pump control cable
AC
2
200mA(a)
AC
2
200mA(a)
1
2
5
7
8
6
4
H
25
T
D
A
K
K
K
K
J
G
E
L
L
9
B
CN11
CN7
CN30
1
A
2
B
3
X
4
Y
5
E
6
P
7
Q
8
E
9
H1
10
H2
25
29
N
30
R1
31
DFT1
32
DFT2
26
HT
R2
27
AHS1
28
AHS2
1
SL1
2
SL2
3
H
C
4
TBH
5
1ON
N
6
7
1OFF
8
P
_o
9
N
10
11
P_s
N
12
24
23
N
21
3OFF
N
20
19
18
13
14
L1
15
IBH1
N
16
P_c
17
N
22
2ON
2OFF
P_d
3ON
3
M
F
C
I
Assembly unit
Code
Assembly unit
Code
P_d:DHW pump(field supply)
G
Main unit
A
SV2:3-way valve(field supply)
H
Solar energy kit(field supply)
B
SV1:3-way valve for domestic hot water tank(field supply)
I
User interface
C
Contactor
K
P_s:Solar pump(field supply)
E
o
Summary of Contents for ETH080VMA
Page 110: ...19 V 1 n d e d n d Automatic air purge valve r d r manometer d r...
Page 162: ...71 V 1...
Page 172: ...20 21 81 V 1...
Page 182: ...V 2...
