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spare protective limits input channel in place of the factory-installed jumper. (Wire multiple
inputs in series.) The opening of any contact will result in a safety shutdown and LID display.
Refer to the certified drawings for safety contact ratings.
Analog temperature sensors may also be added to the options modules, if installed. These
may be programmed to cause an alert on the CCN network, but will not shut the machine down.
Spare Alarm Contacts
Two spare sets of alarm contacts are provided within the starter. The contact ratings are
provided in the certified drawings. The contacts are located on terminal strip TB6, terminals 5A
and 5B, and terminals 5C and 5D.
Condenser Pump Control
The machine will monitor the
CONDENSER PRESSURE
and may turn on this pump if the
pressure becomes too high whenever the compressor is shut down.
CONDENSER
PRESSURE OVERRIDE
is used to determine this pressure point. This value is found on the
Equipment Service1 LID table and has a default value (Table 4). If the
CONDENSER
PRESSURE
is greater than or equal to the
CONDENSER PRESSURE OVERRIDE
, and the
ENTERING CONDENSER WATER TEMP
(
Temperature
) is less than 115 F (46 C), then the
condenser pump will energize to try to decrease the pressure. The pump will turn off when the
condenser pressure is less than the pressure override less 5 psi (34 kPa), or the
CONDENSER
REFRIG (Refrigerant) TEMP
is within 3° F (2° C) of the
ENTERING CONDENSER WATER
temperature.