Installation and Service Manual Upsilon-Series
32
1. High voltage supply:
16 Connections
Position
Connection
Application
PG
Max.
V/A
1, 2, 3
Live
Neutral Earth Power for boiler. Power cable not supplied
13,5*
230V
4, 5, 6
Live
Neutral Earth Output
13,5
230V
4A
7, 8, 9
Live
Neutral Earth System pump P3
13,5
10
Live
Three-way valve to CH
13,5
11
Live
Three-way valve to DHW or DHW pump P2
12
Neutral
Three-way valve or DHW pump P2
13
Earth Three-way valve or DHW pump P2
14
Live
DHW load pump P4
13,5
15
Neutral
DHW load pump P4
16
Earth DHW load pump P4
2. High voltage switches: 6 Connections
Position
Connection
Application
PG
Max.
V/A
1, 2
1
2
Relay output fault signal
13,5
230V
5A
3, 4
3
4
Relay output heat demand
13,5
230V
5A
5, 6
5
6
Relay output external heat source / 2nd propane gas valve 13,5
230V
5A
3. Low voltage sensors: 16 Connections
Position
Connection
Application
Tulles
1, 2
1
2
Hot water sensor T3
IP67
3, 4
3
4
Outdoor sensor T4 (advice) n.a. at 0-10V
IP67
5, 6
5
6
Common flow sensor T10** (must be connected)
IP67
7, 8
7
8
On-Off contact / Open Therm contact (auto detect)
IP67
9, 10
9
10
0 -10 Volt input (temperature or load)
IP67
11, 12
11
12
Blocking contact (bridge mounted)
IP67
13, 14
13
14
Low water pressure switch off contact NO
(function not active)
IP67
* PG glands for cable duct already assembled in the factory. For a few connections, some
PG glands are supplied separately.
The maximum cable diameter for the terminals is 2.5mm
2
Connect the cable by pushing down the control on the terminal strip using a flat screw-
driver (refer to fig. 8.e).
0-10Volt
Open-
Therm
On/Off
T3
DHW
230V~
AC
230V
out
230V~
AC
230V
out
L
N
L
N
L
N
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
1 2 3 4 5 6
Error
signal
Heat
demand
signal
LPG
On/Off
1 2 3 4 5 6 7 8 9 10 11 12 13 14
T10
General
purpose
LWCO
N
N
L
230V Pump / 3-WV.
L
230V Pump P3
230V out
230V~ AC
T4
Out
8X.44.08.00 / 05.1
1
L
N
230V DHW pump
Bus
8X.44.09.00 / 05.1
1
0-10Volt
Open-
Therm
On/Off
T3
DHW
230V~
AC
230V
out
230V~
AC
230V
out
L
N
L
N
L
N
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
1 2 3 4 5 6
Error
signal
Heat
demand
signal
LPG
On/Off
1 2 3 4 5 6 7 8 9 10 11 12 13 14
T10
General
purpose
LWCO
N
N
L
230V Pump / 3-WV.
L
230V Pump P3
230V out
230V~ AC
T4
Out
8X.44.08.00 / 05.1
1
L
N
230V DHW pump
Bus
8X.44.09.00 / 05.1
1
0-10Volt
Open-
Therm
On/Off
T3
DHW
230V~
AC
230V
out
230V~
AC
230V
out
L
N
L
N
L
N
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
1 2 3 4 5 6
Error
signal
Heat
demand
signal
LPG
On/Off
1 2 3 4 5 6 7 8 9 10 11 12 13 14
T10
General
purpose
LWCO
N
N
L
230V Pump / 3-WV.
L
230V Pump P3
230V out
230V~ AC
T4
Out
8X.44.08.00 / 05.1
1
L
N
230V DHW pump
Bus
8X.44.09.00 / 05.1
1
figure 8.b
figure 8.c
figure 8.d
figure 8.e
