Lennox A111C, Руководство пользователя

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12
aut
set
Format 24 hours
Format 12 hours
aut
set
PM
Ambient
temperature
Set-point temperature
or
Outdoor coil temperature
or
Outdoor temperature
Parameters F3/F4 allow setting a number of inner fan operating hours after which the display shows the
alarm code thf, which means air filter should be changed or cleaned.
Therefore, parameter F4 should be changed, establishing the number of fan operating hours X1000 beyond
which the maintenance signal thf is activated.
PROGRAMMING THE PARAMETERS
COD
MIN MAX UNIT VAR. DEF
DESCRIPTION
C5 0 Khrs ---
Hour-counter compressor. It indicates the number of compressor
operating hours.
When 19.900 working hours have been reached, the parameter
starts counting again .
19,9
F4 0 0,1
0
Supply fan operating hours threshold. It establishes the number of indoor
fan operating hours beyond which the maintenance intervention signal
(alarm thf) is activated.
F4= 0 : disables this function, alarm will not be visualized.
F4=values from 1 to 10: number of hours x 1000 of indoor fan operating
hours.
10,0
---
H7 0 2 --- --- 1
It establishes what is displayed on the field in the top right of the display:
H7= 0 Shows the outdoor temperature (freecooling option, heat pump).
H7= 1 Shows the value of the current set-point.
H7= 2 Shows the ambient and outdoor coil temperature (heat pump unit)
or outdoor temperature for freecooling (cooling only).
VALUES
F3 0 Khrs ---
Hour-counter inner fan. It indicates the number of inner fan operating
hours.
When 19.900 working hours have been reached, the parameter starts
counting again .
19,9
---
---
H9
0 1 0
Only for terminal with clock function (as an option).
It establishes the display format:
H9 =0 THE FORMAT IS 24 HOUR CLOCK
H9 =1 THE FORMAT IS 12 HOUR CLOCK
1 ---