Installer Connections - IDEAL EVOMAX 2 Series User Manual

3.

INSTALLER CONNECTIONS

Mains Voltage/230V 50Hz
I1 I2
1 2 3 1
L N PE SL1
Mains Supply
Volts Free Contacts
I5
1 2 3 4 5 6
C NO PE C NO PE
MFR1 MFR2
I7 I8
1 2 1 2
I0 I1 PWM GND
PELV
Interlock Pump control
PELV Only
I7 Optional Interlock input.
I8 Optional Pump Modulation Control, 0-10V.
I9 Boiler Control:
0-10V Capacity or Temperature.
OpenTherm Interface 1. Boiler, Heating Circuit 1 and/or
DHW Circuit Control.
OpenTherm Interface 2. Heating Circuit 2 Control.
*Note: The items grayed out are not standard and are connections provided by the relevant option kits.
I3
2 3 4 1
L SL2 L ~
230V 50Hz
Demand inputs Interlock
I6
1 2 3 4
C NO C NO
MFR3 MFR4
PELV
I9
3 1 2 3
10V 10V GND OT1+ OT1- OT2+ OT2-
0-10V
KEY
I4
2 1 2
~ L N
230V 50Hz
Auxiliary
I10
4 5 6 1 2
S1 GND
OpenTherm Header
I10 Optional Sensors:
Header Sensor for Cascade Control.
DHW Tank Temperature or Heating Circuit 2 Room
Temperature.
Heating Circuit 1 Room Temperature.
Outside Temperature Sensor for Heating Curve.
20
KEY
l1 Mains Supply Connector, 230V
50Hz. Live, Neutral, PE.
l2 Demand inputs,
Multifunctional, 230V 50Hz.
Typical setting:
SL1, Heating Circuit 1
SL2, Heating Circuit 2/DHW
l3 Optional Interlock input, 230V
50Hz
l4 Auxiliary Mains Supply Output,
230V 50Hz. Live, Neutral.
KEY
I5 Multifunction Volts Free Relay
Outputs, 24V DC to 230V
50Hz. Typical setting:
MFR1 Heating Circuit 1 Pump
MFR2 DHW Circuit Pump
I6 MFR3 Burner On Indication
MFR4 Boiler Fault Indication
3 4 5 6 7 8
S2 GND S3 GND S4 GND
DHW Tank / Outside
Room 2 Room 1 Temp.