8.3
The cleaning function of the exchanger activates the fans with an inverted rotation direction. The function only starts
when the unit is on.
Cleaning can be programmed via parameter PC01; cleaning is performed daily or weekly, depending on the setting:
•
Daily cleaning: with parameter PC01 = 1, cleaning is performed every day at the preset time (parameter
PC02).
•
Weekly cleaning: with parameter PC01 = 2, cleaning is performed weekly on the set day (parameter PC03)
and set time (parameter PC02).
When the cleaning procedure is activated, the fans are switched off for a fixed time of 60 seconds and then turned on
for anti-rotation PC05. After finishing the procedure, they remain off for a further 60 seconds before returning to the
normal setting.
You can also start the cleaning cycle manually from the ADVANCED → MANUAL menu. On the CLEANING screen, move
the cursor over the UP and DOWN keys in the Fans window to Run, then press ENTER.
PARAMETER
NAME
Cleaning activation and frequency:
0 = No (Disabled)
PC01
1 = Daily
2 = Weekly
PC02
Cleaning start time
Cleaning day:
0 = Sunday
PC03
1 = Monday
---
6 = Saturday
PC04
Fan speed in cleaning mode
PC05
Cleaning cycle time
MODBUS Registers
MODBUS
MODBUS
Parameter Name and
Register
Register
Description
Base 0
Base 1
PC01
Cleaning activation and
0x07E4
2021
frequency
LU1W - User Manual
Cleaning the exchanger
DESCRIPTION
Data Type and Notes
0 = No (Disabled)
1 = Daily
2 = Weekly
- unsigned short int
DEFAULT
MIN
VALUE
VALUE
No
No
23:00:00
0:00:00
Sunday
Sunday
100.00
0.00
60
1
Default
value
0
75
MAX
UM
VALUE
-
USER → CLEANING
Weekly
hh: mm: ss
USER → CLEANING
23:59:59
-
USER → CLEANING
Saturday
%
USER → CLEANING
PF20
sec
USER → CLEANING
9999
Decimal
Min
Max
positions
0
2
REV.1.1 – 07/11/2017 - ENG
MENU
MODBUS
Register
Type
0
holding