Engineer
44
MAXXfl o EVO
4.5 COMPLETE PARAMETER LIST TABLE (CONTINUED)
PARAMETER DESCRIPTION
FACTORY
DEFAULT
NOTES
Diagnostics producer
8304
Boiler pump Q1
---
Status of Primary system pump
8308
Boiler pump speed
---
Internal pump speed
8310
Boiler temp
---
Current primary fl ow temperature
8311
Boiler set point
---
System calculated fl ow temperature set point
8312
Boiler switch point
---
Indicates next fl ow temperature demand target for current
heater activity
8314
Boiler return temp
---
Current primary return temperature
8315
Boiler return sensor setpoint
---
Indicates next return temperature demand target for
current heater activity
8316
Flue gas temp
---
Current fl ue gas temperature
8318
Flue gas temp max
---
COUNTER CAN BE RESET
Maximum fl ue gas
temperature reached.
8323
Fan speed
---
Current fan speed in rpm
8324
Set point fan
---
System calculated fan speed set point
8325
Current fan control
---
Current fan control as a percentage
8326
Burner modulation
---
Current burner modulation rate in percent
8329
Ionisation current
---
Current Ionisation fl ame signal (> 9.0
A is a strong fl ame
signal < 7.0
A is a weak fl ame signal, with the burner at
100% modulation)
8330
Burner hours run stage 1
---
COUNTER CAN BE RESET
Total number of hours the
heater has been operating
8331
Number of burner starts stage 1
---
Total number of burner starts performed by the heater
8390
Current phase number
---
Current phase stage of burner operation
Diagnostics consumers
8830
DHW temperature (B3)
---
Actual DHW tank temperature
8831
DHW temperature setpoint
---
Current DHW temperature set point
8835
DHW circulating temperature
---
Actual DHW circulating return temperature (if fi tted)
8836
DHW charging temperature
---
Current DHW charging temperature at heat engine outlet.
8950
Common fl ow temperature
---
Same as parameter 8310
8951
Common fl ow temperature setpoint
---
Same as parameter 8311
9009
Water pressure H3
---
Current primary system pressure. Internal water pressure
of the heaters internal primary circuit. NB This pressure
must not be allowed to drop below 0.1 bar or the heater
will stop.
9016
Special temp 1
---
If using the BUFFER SS300-10 expansion tank system
the temperature of the fi rst BUFFER SS300-10 tank will
be displayed here.
9017
Special temp 2
---
If using the BUFFER SS300-10 expansion tank system
the temperature of the second BUFFER SS300-10 tank
will be displayed here.
9031
State relay output QX1
---
Current status of DHW circulation pump Q4
9032
State relay output QX2
---
Current status of DHW primary pump Q1
9033
State relay output QX3
---
Current status of fan power
9034
State relay output QX4
---
Current status of DHW pump Q3
9050
State relay output QX21 module 1
---
Current status of QX21 output
9051
State relay output QX22 module 1
---
Current status of QX22 output
9052
State relay output QX23 module 1
---
Current status of QX23 output
Summary of Contents for CWH 30/201
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