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INSTALLATION
Electrical connections - Diagram 1.1
M02
MO2
...
18
L
17
N
16
⏚
15
...
11
L
10
N
9
⏚
8
7
6
PWM
5
0-10 V
4
GND
...
M02
High-voltage terminal board
VLPG LPG fuel shut-off valve
PI1
First circuit system circulation pump
L
Live
N
Neutral
Earth/ground
M01
MO1
28
27
26
25
24
23
22
21
20
19
...
16
15
...
12
11
10
M01
Low-voltage terminal board
pm
Minimum pressure switch
pb
Lockout pressure switch
FL
Flow-meter (accessory)
TA/OT Room thermostat / Open Therm Interface (accessory)
SE
Outdoor sensor
(*)
Remove the jumper and connect the water pressure
switches in sequence as shown.
VLPG
PI1
INAIL
pb
(*)
INAIL
pm
+5V
FL
GND
Signal
TA/OT
SE
Basic parameter configuration - Diagram 1.1
Par.
Description
No.
1 = Climate mode with external probe
1
CH mode
35
DHW mode
117
Prog Input 2
123
Prog Input 8
Progr.ble inp.
124
TA
Progr.ble
125
outp. 1
Progr.ble
128
outp. 4
Progr.ble
187
2 = Heating circulation pump
outp. 5
Modulating
135
circulation
pump model
Modulating
136
circulation
pump control
(*)
Default setting
NOTE:
for additional zone programming, refer to chapter
"Managing additional zone".
ZONE MANAGEMENT ELECTRONIC DEVICE OPTIONAL
ZM
ZM
Zone management electronic device
PI2
Second circuit system circulation pump
SI2
Second circuit system delivery probe
L
Live
N
Neutral
Earth/ground
TA
Room thermostat
(*)
Connection to terminals 7-8 of MO1 (see par. Wiring
diagram)
44
Parameter setting
and ambient thermostat
0 = Disabled (*)
3 = Heating flowmeter
2 = Water pressure switch (*)
1 = Enabled (*)
0 = Disabled (*)
or
8 = LPG solenoid valve
0 = Disabled (*)
0 = Wilo Yonos
1 = Salmson
2 = Grundfos (*)
On
Off
Modulating (*)
Fixed 20... 100%
15
N
14
⏚
PI2
13
L
12
11
10
9
8
BUS1 (*)
7
6
SI2
5
4
TA
3
2
FL
INAIL
TA/OT
VLPG
PI 1
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