Emerson Copeland OMTE-76D Application Manuallines page 51

Code Description
Discharge line temperature lockout
L44
compressor # 1
E45 High condenser pressure alarm
E46 High condenser temperature alarm
EXV fully open (only when EVI is
E47
applied)
E48 Refrigerant shortage
E49 Pumpdown alarm
E50 High-side floodback alarm
E51 Cold-start alarm
46
Cause Action
Discharge line
temperature overheat The compressor will lock out (if D26
happened D26 times equal to 0, no compressor lockout)
within one hour
Condenser pressure
The compressor is activated according
higher than E58 f or
to E60
E59 minutes
Condenser
temperature higher The compressor is activated according
than E58 f or E59 to E60
minutes
Not used
Not used
Not used
Discharge temperature
too low.
The dif ferential
temperature between
Warning signal only
discharge and mid-coil
is lower than H21 f or
accumulated H22
minutes in H23 minutes
Discharge line
temperature is higher
Used f or digital compressor: during
than parameter D31
alarm time, the digital compressor
setting or suction
output is 50 %
pressure is lower than
parameter D32 setting
Reset
Hold "start" button for 5 sec or manual power off
and on (if D26 equal to 0, compressor starts
automatically when discharge line temperature
lower than D23 setting and D25 delay time-out)
Automatically as soon as condenser pressure
lower than E61
Automatically as soon as condenser
temperature lower than E61
Automatically as soon as differential
temperature between discharge and mid-coil is
larger than H21 f or H24 minutes
Automatically as soon as condenser probe
temperature is higher than C13
AGL_Unit_LOCU_EN_Rev00