21
INSTALLATION
IMAX XTRA EL
-
Installation & Servicing
20 BASIC CONTROLS DISPLAY CONTINUED......
continued . . . . . . . .
Central Heating
CH Switched Live On
Burner On
Flow Setpoint
80°C
Flow Temp
80°C
Central Heating Mode
If there is an ongoing Central Heating Demand screens similar to
the following will be displayed.
Line 2 indicates whether Switched Live or OpenTherm is controlling
the boiler.
Line 3 indicates the current operating State (Pre-Purge or Ignition or
Burner On or Pump Overrun).
Outside temperature will only be shown if an outside sensor is
connected to the boiler.
Burner Power and Flow Temp will vary as the boiler operates
See Frame 25 for adjusting Flow Setpoint.
Central Heating
Burner Power
100%
Outside Temp’
10°C
Flow Setpoint
80°C
Flow Temp
80°C
Boiler Frost Protection Mode
If the boiler flow temperature drops below 5°C screens similar to
the following will be displayed.
Line 3 indicates the current operating State (Pre-Purge or
Ignition or Burner On or Pump Overrun).
Outside temperature will only be shown if an outside sensor is
connected to the boiler.
Burner Power and Flow Temp will vary as the boiler operates.
Boiler Frost Protect
Burner Power
100%
Outside Temp’
10°C
Frost Setpoint
5°C
Flow Temp
80°C
Boiler Frost Protect
Burner Power
100%
Burner On
Frost Setpoint
5°C
Flow Temp
80°C
System Frost Protect
Flow Temp
80°C
Burner On
Frost Setpoint
-10°C
Outside Temp’
10°C
System Frost Protection Mode
If an Outside Sensor is fitted and the Outside Temperature drops below the system frost protection
temperature setpoint a screen similar to the following will be displayed.
Line 3 indicates the current operating State (Pre-Purge or Ignition or Burner On or Pump Overrun)
Flow Temperature and Outside Temperature will vary as the boiler operates.
See Frame 25 for adjusting the system frost protection temperature setpoint.
Cylinder Frost Protect
Burner Power
100%
Outside Temp’
10°C
Frost Setpoint
5°C
Hot Water Temp’
4°C
Cylinder Frost Protection Mode
If a Domestic Hot Water Thermistor is connected to the boiler and
the DHW temperature drops below 5ºC a screen similar to the
following will be displayed.
Line 3 indicates the current operating State (Pre-Purge or Ignition
or Burner On or Pump Overrun).
Burner Power, Hot Water Temp’ and Outside Temp’ will vary as
the boiler operates.
Outside temperature will only be shown if an outside sensor is
connected to the boiler.
Cylinder Frost Protect
Burner Power
100%
Burner On
Frost Setpoint
5°C
Hot Water Temp’
4°C
0-10V Operation
Burner Power
100%
Burner On
Burner Setpoint Target
100%
Flow Temp
80°C
0-10V Capacity Operating Mode
If 0-10V Capacity operation is ongoing screens similar to the
following will be displayed.
Line 3 indicates the current operating State (Pre-Purge or Ignition
or Burner On or Pump Overrun).
Flow Temp’ and Burner Power will vary as the boiler operates
0-10V Input and Burner Setpoint Target will vary as the external
Building Management System controls them.
See Frame 23 for configuring the boiler for 0-10V Capacity
Operation.
0-10V Operation
0-10V Input =
10.0V
Burner On
Burner Setpoint Target
100%
Flow Temp
80°C
0-10V Operation
Burner Power
100%
Burner On
Flow Setpoint
80°C
Flow Temp
80°C
0-10V Temperature Operating Mode
If 0-10V Temperature operation is ongoing screens similar to the
following will be displayed.
Line 3 indicates the current operating State (Pre-Purge or
Ignition or Burner On or Pump Overrun).
Flow Temp and Burner Power will vary as the boiler operates
0-10V Input and Flow Setpoint will vary as the external Building
Management System controls them.
See Frame 23 for configuring the boiler for 0-10V Temperature
Operation.
0-10V Operation
0-10V Input =
10.0V
Burner On
Flow Setpoint
80°C
Flow Temp
80°C
INST
ALLA
TION