Heat Pump, Split System, Single Service, 3 phase
Maintenance Document 1394-1 101
6.3.12 Maintenance / Special Operating Mode Functions
Maintenance
Maintenance functions can be used as a preventive
step for periodically monitoring the installation. All
maintenance functions can be individually
activated / deactivated.
The controller automatically generates maintenance
messages if the settings defined are either exceeded
or fail to be reached.
Line no. Programming line
7070 HP interval
7071 HP time since maint
7072 Max starts compr1/hrs run
7073 Cur starts compr1/hrs run
7076 Diff condens max/week
7077 Cur diff condens max/week
7078 Diff condens min/week
7079 Cur diff condens min/week
7090 DHW storage tank interval
7091 DHW stor tank since maint
HP interval :
Defines the maintenance frequency (in months) for
the heat pump.
HP time since maint :
Displays the time (months) elapsed since the last
maintenance. If the value exceeds the "heat pump
interval" setting (Line 7070), the symbol
will be
displayed and a maintenance message will appear in
the Info section:
17: Heat pump maintenance Interval (Priority 6)
This setting can be reset with the associated rights of
access.
Max starts compr1/hrs run :
Defines the maximum number of compressor 1
startups per hour of operation.
Cur starts compr1/hrs run :
The average number of compressor startups per hour
of operation, obtained over a period of 6 weeks.
If the value exceeds the "Comp1 max startups/hr op"
adjusted setting, the symbol
will be displayed and
a maintenance message will appear in the Info
section:
8: Too many compressor 1 startups (Priority 9)
This setting can be reset with the associated rights of
access.
Diff condens max/week :
This setting indicates how many times over 7 days
the maximum temperature difference on the
condenser can be exceeded.
Cur diff condens max/week:
Number of times the maximum temperature
difference on the condenser has been exceeded
during a 7-day period. If the value exceeds the setting
"Max cond diff/week" (line 7076), the symbol will be
displayed and a maintenance message will appear in
the Info section:
13: Max cond diff (Priority 3)
This setting can be reset with the associated rights of
access.
Diff condens min/week :
Indicates how many times over 7 days the minimum
temperature difference on the condenser may fail to
be reached.
Cur diff condens min/week (7079):
The number of times the minimum temperature
difference on the condenser has not been reached
over a 7 period. If the value is higher than the setting
"Min cond diff/wk" the symbol
will be displayed
and a maintenance message will appear in the Info
section:
14: Min cond diff (Priority 3)
This setting can be reset with the associated rights of
access.
DHW storage tank interval (7090):
Adjustment of the maintenance frequency (in months)
of the DHW tank.
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