York YLCC-H Technical Information page 49

Display Type of alarm
A1/A2
Antifreeze alarm
AHt
High temperature at start up (If, P20= is activated)
ALt Low temperature at start up (If, P20= is activated)
d1-2 Defrost in operation
dF1-2 Defrost failure
E1 Probe B
E2
Probe B2
E3
Probe B3
E6 Probe B6
E7 Probe B7
ELS Low supply voltage
EHS
High supply voltage
EPr
Eprom error. Unit in operation
EPb
Eprom error. At start up
FL Flow switch
Hc1/Hc2 Compressor maintenance alarm (If C4 is activated)
HP1/HP2 High pressure or discharge protection
LP1/LP2
Low pressure
tC1/tC2
Fan or compressor module thermal protection
TP
General system protection
Alarm reset
Pressing the UP and DOWN keys for over 5 seconds will
cancel alarms present in the memory. The alarm message
will also disappear from the display and the alarm relay will
be deactivated.
Forces defrost (heat pumps)
Pressing the SEL and UP keys simultaneously for over 5
seconds activates the forced defrost cycle of the unit.
Clearing hour counters
When displaying compressor or heat pump operating hours
(parameters c0, c and c5), the counter can be cleared
by pressing the UP and DOWN keys simultaneously.
Pump operation
Four operating modes of the water pump can be selected in
accordance with the value give to the H5 parameter. H5=0
(pump not enabled), H5= (pump always on), H5=2 (pump on
controlled by the regulator or in parallel with the compressor),
H5=3 (pump goes off and on at regular intervals, independent
Table of alarms
of compressor operation [parameters c7 and c8]).
Probe calibration
If necessary, the probes can be calibrated by using the
/3, /4, /5, /6, /9 and /20 parameters. See Probe set
parameters.
Remote ON/OFF
A remote ON/OFF intake can be connected between ter-
minals ID5 and B on the connecting strip. To activate this
intake, give value  to parameter H07 (H07 = ). When this
intake is open, the unit remains in OFF mode. When closed,
the unit remains in ON mode. This option does not disable
the ON/OFF function of the keyboard.
Remote COOL/HEAT
A remote COOL/HEAT intake can be connected between
terminals ID6 and B on the connecting strip. To activate this
intake, give value  to parameter H06 (H06 = ). When this
intake is open, the unit remains in HEAT mode. When closed,
the unit remains in COOL mode. This option does not disable
the HEAT/COOL function of the keyboard.
Reset
Manual
Automatic
Automatic
-
Automatic
Automatic
Automatic
Automatic
Automatic
Automatic
Automatic
Automatic
Automatic
Automatic
Manual
Automatic
Manual
Manual
Manual
Manual
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