Code Text display Description Range
AC004 Burner Starts Number of generator startings since the
previous servicing.
0 - 4294967294
AC026 Pump running hours Counter that shows the number of pump
running hours
0 Hours - 65534 Hours
AC027 Pump starts Counter that shows the number of pump
starts
0 - 65534
DC002 DHW valve cycles Numbers of Domestic Hot Water
diverting valve cycles
0 - 4294967294
DC003 Hrs DHW 3wv Number of hours during which the
diverting valve is in DHW position
0 Hours - 65534 Hours
DC004 DHW burner starts Number of burner starts for Domestic
Hot Water
0 - 65534
DC005 DHW burning hours Number of burning hours in Domestic
Hot Water
0 Hours - 65534 Hours
GC007 Failed starts Number of failed starts 0 - 65534
PC001 ChCtrTotalPowerCons. Total power consumption used by
Central Heating
0 kW - 4294967294 kW
PC002 Burner starts total Total number of burner starts. For
heating and domestic hot water
0 - 4294967294
PC003 Hrs Burning total Total number of burning hours. For
heating and domestic hot water
0 Hours - 65534 Hours
PC004 Burner flame loss Number of burner flame loss 0 - 65534
9.6.2 CU-GH08 control unit signals
Tab.72
On > > Installation Setup > CU-GH08 > > DHW ( Internal DHW ) > Parameters, counters, signals > Signals
Code Text display Description Range
DM029 DHW setpoint Domestic Hot Water temperature
setpoint
0 °C - 100 °C
Tab.73
On > > Installation Setup > CU-GH08 > DHW ( Internal DHW ) > Parameters, counters, signals > Signals
Code Text display Description Range
Anti legionella act. Anti legionella is active 0 = Off
1 = On
AM001 DHW active Is the appliance currently in domestic hot
water production mode?
0 = Off
1 = On
AM010 Pump speed The current pump speed 0 % - 100 %
AM016 System Flow Temp Flow temperature of appliance. -25 °C - 150 °C
AM018 T return Return temperature of appliance. The
temperature of the water entering the
appliance.
-25 °C - 150 °C
AM040 Control temperature Temperature used for hot water control
algorithms.
0 °C - 250 °C
DM002 DHWFlowSpeed Actual DHW combi flow rate 0 l/min - 25 l/min
DM005 DhwSolarTankTemp Domestic Hot Water solar tank
temperature
-25 °C - 150 °C
DM008 DHW out temp Temperature sensor for the tap
temperature leaving the appliance
-25 °C - 150 °C
9 Settings
7686707 - v.01 - 06092018 AMC 93