IDEAL EVOMAX 2 30 - 4 Wiring; Internal Wiring Combustion Manager

DP
FS 3
View from rear
2
Evomax 2 Schema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on
Kit
*Op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
230VAC - 350VDC
CAN VCCon
Terminal (CAN TTL)
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
Outsi
de
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
Mains Voltage
SIb
Return -
Return +
Flow -
Flow +
X11
Thermistors
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
PELV
X7
ChipCom
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 +
X10
Thermistors
Header -
Header +
Room -
X13
Sensors / Switches
Turbine Signal
Turbine GND
Fan ctrl
F PWM
F GND
F FB
X12
Pump ctrl
P PWM
P GND
P 0-10V
S Interlock a
APS a
WPS 5V
X14
Digital inputs
S Interlock b
Valve AC L2
CH SWL
(To be updated at next revision)
X1
Mains Voltage
Mains Live
DHW SWL
ION PE
Mains Neutral
Mains Aux Live
ION Digital
X3
Volts Free 24V - 230VAC
X4
IGN Live
Volts Free 24V - 230VAC
OpenTherm Slave
OT2-
4 WIRING
4.1 INTERNAL WIRING COMBUSTION MANAGER
61
Installation & Servicing
SECTION 4 - WIRING
WIRING