External
controls
via
0
‐
10V
input
Boiler
Pump
controlled
via
remote
Volts
Free
enable
from
MFR1
I1
I2
I3
I4
I5
I6
I7
I8
I9
I10
1
2
3
1
2
3
4
1
2
1
2
1
2
3
4
5
6
1
2
3
4
1
2
1
2
3
1
2
3
4
5
6
1
2
3
4
5
6
7
8
L
N
PE
PELV
0
‐
10V
Source
BMS
S3
GND
S4
GND
PELV
Interlock
Pump
control
0
‐
10V
OpenTherm
Header
DHW
Tank
/
Room
2
Room
1
Outside
Temp.
OT2
‐
S1
GND
S2
GND
10V
GND
OT1+
OT1
‐
OT2+
I0
I1
PWM
GND
10V
Fused
Spur
/
Isolator
Mains
Supply
Boiler
Pump
Mains
Supply
Demand
inputs
230V
50Hz
Interlock
230V
50Hz
Auxiliary
MFR1
MFR2
MFR3
MFR4
C
N
O
PE
C
N
O
Mains
Voltage/230V
50Hz
Volts
Free
Contacts
L
N
PE
SL1
L
SL2
L
~
~
L
N
C
NO
PE
C
NO
External Controls via 0-10V Input
Boiler pump controlled via remote volts free enabled from MFR1
External
controls
via
OpenTherm
Master
Boiler
Pump
speed
control
via
0
‐
10V
output
I1
I2
I3
I4
I5
I6
I7
I8
I9
I10
1
2
3
1
2
3
4
1
2
1
2
1
2
3
4
5
6
1
2
3
4
1
2
1
2
3
1
2
3
4
5
6
1
2
3
4
5
6
7
8
L
N
PE
External
Controls
BMS
or
Room
Control
PELV
Volts
Free
Contacts
Mains
Voltage/230V
50Hz
Fused
Spur
/
Isolator
OpenTherm
Master
Mains
Supply
Boiler
Pump
Outside
Temp.
0
‐
10V
OpenTherm
Header
DHW
Tank
/
Room
2
Room
1
MFR2
MFR3
MFR4
PELV
Interlock
Pump
control
Mains
Supply
Demand
inputs
230V
50Hz
Interlock
230V
50Hz
Auxiliary
MFR1
GND
S3
NO
I0
I1
PWM
GND
N
O
PE
C
N
O
C
N
C
NO
PE
C
GND
S4
GND
OT2+
OT2
‐
S1
GND
S2
10V
10V
GND
OT1+
OT1
‐
SL2
L
~
~
L
L
N
PE
SL1
L
External Controls via OpenTherm Master
Boiler pump speed controlled via 0-10V output
continued............
33
Installation & Servicing
SECTION 2 - INSTALLATION
INST
ALLA
TION
Содержание EVOMAX 2 80
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