DP
FS
3
View from rear
2
Evomax 2 Schema
ti
c Diagram
Rev. 1.8
1
2
1
1
2
3
4
5
1
2
3
4
I9
I10
5
6
7
I6
1
2
3
4
5
6
1 2 3 4 5 6 7 8
1
2
1 2 3 4
3
4
1
5
2
3
I5
4
4
5
3
6
1 2 3 4 5 6
7
2
8
Flow
Ret
H/X
1
1
1 2
*Op
ti
on
Kit
*Op
ti
on
Kit
1 2
1 2
2
I8
3
4
5
5
6
7
4
8
1
3
1
2
FC
3
5 4 3 2 1
2
2
3
4
1
5
6
1
WPSa
2
8
3
WPSb
4
7
5
6
8 7 6 5
6
4 3 2 1
1
I7
5
2
3
2
2
4
4
1
1
5
3
6
IGN
2
1
1 2 3
5
4
3
I4
I1
2
1
1 2
1 2 3
I2
1 2 3 4
PCa
X5
X8
230
VA
C
- 350
VD
C
CAN VCCon
Te
rm
in
al
(C
AN
TT
L)
CAN Mode
CC 24V
CC RX
CC 5V
CC TX
CC GND
2
OpenTherm lead
Varican TTL lead
To SM X1
To SM X2
Header
Sensor
DHW
Tank
Sensor
Room
Sensor
Outside
Sensor
I0 I1
PELV
Interlock
PWM GND 10V
Pump control
S GND S GND S GND S GND
L
Chassis PE
N
10V
GND
OT2+
OT1-
OT1+
230V 50Hz
L
Auxiliary
N PE
CH/CH2
DHW Demand
Mains Supply
Chassis PE
SL1 L SL2 L
DHW GND
X2
SIa
M
ain
s V
ol
ta
ge
SIb
Return -
Flow -
Flow +
X1
1
Th
er
m
ist
or
s
Flue -
Flue +
Heat Ex -
Heat Ex +
0-10V
1
OpenTherm
0-10V -
CAN 5V
CAN GND
CAN 24V
GV
Chassis PE
C
Chassis PE
NO PE C NO PE
CH1/Boiler
System
CH2/DHW/
Shunt Valve/
Pump
C NO C NO
Boiler
Run
Boiler
Fault
PE
LV
X7
Ch
ip
Co
m
Pump DHW NO
Burner ON NO
Burner ON COM
Lockout NO
Lockout COM
Pump DHW COM
X9
Pump CH COM
0-10V &
OT-
Turbine 5V
APS b
IGN Neutral
Valve AC L1
Valve DC-
Valve DC+
Valve AC N1
Valve AC N2
Pump CH NO
CAN Tx
CAN Rx
OT+
WPS Signal
WPS GND
DHW +
ION Analogue
Room +
OWC -
OWC +
0-10V +
X1
0
Th
er
m
ist
or
s
Header -
Room -
X1
3
Se
ns
or
s /
Sw
itc
he
s
Turbine Signal
Turbine GND
Fa
n
ctrl
F PWM
F GND
F FB
X1
2
Pu
m
p
ctrl
P PWM
P GND
P 0-10V
S Interlock a
APS a
WPS 5V
X1
4
Di
git
al
in
pu
ts
S Interlock b
Valve AC L2
CH SWL
(To be updated at next revision)
X1
M
ain
s V
ol
ta
ge
Mains Live
DHW SWL
ION PE
Mains Neutral
Mains Aux Live
ION Digital
X3
Vo
lts
Fr
ee
24
V
- 230
VA
C
X4
IGN Live
Vo
lts
Fr
ee
24
V
- 230
VA
C
OpenTherm Sl
ave
OT2-
4
WIRING
4.1 INTERNAL WIRING COMBUSTION MANAGER
61
Installation & Servicing
SECTION 4 - WIRING
WIRING
Summary of Contents for EVOMAX 2 30
Page 4: ...4 Installation Servicing...
Page 75: ...75 Installation Servicing NOTES...
Page 76: ...76 Installation Servicing NOTES...
Page 77: ...77 Installation Servicing NOTES...
Page 78: ...78 Installation Servicing NOTES...