User manual

Service Menu Parameters
74
Figure 62 Diagnostics/service mode screen, page 1 of 8
HP 1 Alarm Code—Compressor 1 high pressure alarm code: 0 = no alarm; 2 = high-pressure alarm
active.
HP 2 Alarm Code—Compressor 2 high pressure alarm code: 0 = no alarm; 2 = high-pressure alarm
active.
HT 1 Alarm Counter—Compressor 1 high temperature event alarm counter. If more than five
events in a rolling 4 hour period occur then the compressor will be locked out.
HT 2 Alarm Counter—Compressor 2 high temperature event alarm counter. If more than five
events in a rolling 4 hour period occur then the compressor will be locked out.
LP 1 Alarm Code—Compressor 1 low-pressure alarm code: 0 = no alarm; 2 = low-pressure alarm
active.
LP 2 Alarm Code—Compressor 2 low-pressure alarm code: 0 = no alarm; 2 = low-pressure alarm
active.
Actual LP1 Pressure—Current refrigerant low pressure side reading in atmosphere for
Compressor 1.
Actual LP2 Pressure—Current refrigerant low pressure side reading in atmosphere for
Compressor 2.
Actual HP1 Pressure—Current refrigerant high pressure side liquid reading in atmosphere for
Compressor 1. (This is available only on water cooled units equipped with motorized ball valves.)
Actual HP2 Pressure—Current refrigerant high pressure side liquid reading in atmosphere for
Compressor 2. (This is available only on water-cooled units equipped with motorized ball valves.)