Maintenance / Special Operating Mode Functions - Fujitsu WATERSTAGE WS A050DD6 Series Maintenance Document

Split system single phase type
4.3.13
Maintenance
Maintenance functions can be used as a preventive
step for periodically monitoring the installation. All
maintenance functions
activated / deactivated.
Line no. Programming line
7070 HP interval
7071 HP time since maint
7073 Cur starts compressor 1/hrs run
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
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.
Emergency mode
If the heat pump is not operating properly, a
emergency service
emergency mode enables the installation to be run
Line no. Programming line
7141 Emergency operation
7142 Emergency operating function type
Emergency operation (7141):
Emergency operation can be activated and
deactivated manually.
•
Off:
Emergency operation is deactivated.
•
On:
Emergency operation is activated.
Maintenance Document 1589-3

Maintenance / Special Operating Mode Functions

can be individually
can be maintained.
The controller automatically generates maintenance
messages if the settings defined are either exceeded
or fail to be reached.
Cur starts compressor 1/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
a maintenance message will appear in the Info
section:
8: Too many compressor 1 startups (Priority 9)
will be
This setting can be reset with the associated rights of
access.
with the available heaters (flow, storage tank, DHW
The tank). In this case the compressor will remain off.
Emergency operating function type (7142):
•
Manual:
Emergency operation can be activated/deactivated
only through the Emergency operation setting on line
7141.
•
Automatic:
As soon as a fault occurs on the heat pump,
emergency operation is automatically switched on. It
stops when the fault is removed and, if necessary,
cleared (reset). Emergency mode may however be
activated / deactivated manually via the "Emergency
operation" setting on line 7141.
will be displayed and
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