Cetetherm AquaEfficiency EFB112 DD, Installation, Service And Operating Instruction

Page: 67 / 86

Cetetherm AquaEfficiency
Installation, service and operating instruction
65
18.12 Add AlfaPilot functionality
NOTE: AlfaPilot was formerly named AlfaStoreB.
The AquaEfficiency can work as an AlfaPilot by adding:
•
Valve #2: control valve
•
Pt1: temperature sensor
•
Pt2: surface temperature sensor
•
S5: Outdoor temp sensor (optional)
See 18.9 Change or add an extra sensor .
Following parameter settings must be done to get the AlfaPilot functionality, see the
11.3 Configuration menu .
Parameter Factory
Default
Setting Optional setting Description
S5 Active heating 0 0 Disables /
1 Enables heat curve
Set to1, to be able to use outdoor
sensor S5
Renewable Config 3 0 2=if just added PT1
You get AlfaStore A (AA) (also called
AlfaPilot On/Off)
3=if added both Pt1 and Pt2
You get a AlfaPilot (AP)
AlfaPilot Inverted 1 0 1= application AlfaPilot
SP distrib 0 0/1 Set to 1 if an External setpoint for
Modbus is used (for Pt2 only)
18.12.1 AlfaStore A (AlfaPilot on/off)
This function requires:
•
Valve #2: control valve
•
Pt1: temperature sensor
When DT(Pt1-S3)> DTrecov_min), the function is activated and opens wide the second control valve wired on
AO4 output, extra actuator.
All other AquaEfficiency functions operational.
AlfaStoreA mode is activated in the
11.3 Configuration menu .
DTrecov_Min (default 5°C) is set in 11.14 Solar menu.
Description Connection on I/O terminal
No Marked
24VAC, 22VA max 65 24VAC
0-10 VDC 66 AO4
0V 67 0V
Sensor Description Connection on I/O terminal
0V Pt1-Pt2
Pt1 Primary vessel, temperature sensor, Pt1000, 2 wires 34 35