Cetetherm AquaEfficiency
Installation, service and operating instruction
52
Parameter list
There are more than 100 different parameters used in the controller. Most of them are used for internal
programs and calculations. Here we describe the main points.
Name
Description
Unit
Modbus
Address*
Therm_Protec P1
Ipsothermic input from P1 pump
0/1
11
Therm_Protec P2
Ipsothermic input from P2 pump
0/1
12
Therm_Protec P3
Ipsothermic input from P3 pump
0/1
13
Therm_Protec P4
Ipsothermic input from P4 pump
0/1
14
Cmd_P1
P1 command. It is the pump Start/Stop output
On/Off
15
Cmd_P2
P2 command. It is the pump Start/Stop output
On/Off
16
Cmd_P3
P3 command. It is the pump Start/Stop output
On/Off
17
Cmd_P4
P4 command. It is the pump Start/Stop output
On/Off
18
PriP1_Alarm_On
Primary pump 1 default
0/1
21
PriP2_Alarm_On
Primary pump 2 default
0/1
22
Sec_P3_Fault
Secondary pump3 default
0/1
25
Sec_P4_Fault
Secondary pump4 default
0/1
26
Main_Alarm
General Alarm
0/1
28
High_Temp_Alarm
High temperature alarm on S1 sensor
0/1
29
Fouling_Alarm
Fouling heat exchanger Alarm
0/1
30
Ret_High_Alarm
High temperature alarm on S2
0/1
31
ThermTr_Alarm
Thermal treatment failed
0/1
32
SAFETY_FCT
The safety function state
0/1
35
ThTr_Activated
Thermal treatment running
0/1
36
Remote_Control
The unit is remotely controlled
0/1
37
BOOSTER
Booster function activated
0/1
41
ECO
ECO function activated
0/1
42
Tank_load
Tank loaded (sensor S2 need to be connected)
0/1
44
Valve
Primary valve actuator
0-100%
47
S1_10
Secondary Outlet temperature measurement (S1
sensor)
°C
50
S2_10
Secondary Inlet temperature measurement (S2
sensor if present)
°C
51
S3_10
Primary Outlet temperature measurement (S3 sensor
if present)
°C
52
S1_PID_Setpoint
Current temperature set point of the main control
loop on S1
°C
62
High_Alm_Reset
To Reset an high temperature alarm
On/Off
201
Pump_Fault_Reset
Resets a pump fault
On/Off
202
AFF_Legio
Thermal treatment function On/Off
On/Off
203
SP_T_Sec_Outlet
Domestic Hot Water Setpoint (S1)
°C
211
ThTr_Setpoint
Thermal treatment temperature set point
°C
213
Triac_Output
230v Triac output state.
On/off
33
Valve 2
Second control valve actuator signal (AlfaPilot only)
0-100%
48
* Please refer to