Daikin AGZ 190D Скачать руководство пользователя

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AGZ 025D through 190D

OMM 1166-1

will lockout the compressor and a power cycle or Modbus reset command will be required to clear the
lockout.

Code 3 – Short Cycling: The module will flash the red

Alert

LED three times indicating the

compressor is locked out due to short cycling. Once locked out the compressor, a power cycle or
Modbus reset command will be required to clear the lockout.

Code 4 – Scroll High Temperature; The module will flash the red

Alert

LED four times indicating the

over-temperature condition. A Code 4

Alert

will open the M2-M1 contacts.The

Alert

will reset after

30 minutes. Once the module has locked out the compressor, a power cycle or Modbus reset command
will be required to clear the lockout.

Code 5 – Reserved for Future Use

Code 6 – Missing Phase: The module will flash the red

Alert

LED six times indicating a missing

phase. The

Alert

will reset after 5 minutes and the module will lockout the compressor after 10

consecutive Code 6

Alerts

. Once locked out, a power cycle or Modbus reset is required.

Code 7 – Reverse Phase: The module will flash the red

Alert

LED seven times indicating a reverse

phase in two of the three compressor leads. The modules will lockout the compressor after one Code
7

Alert

. A power cycle or Modbus reset command will be required to clear the lockout.

Code 8 – Reserved For Future Use

Code 9 – Module Low Voltage; The module will flash the red

Alert

LED nine times indicating low

module voltage for more than 5 seconds. . The

Alert

will reset after 5 minutes and the M2-M1

contacts will close if the T2-T1 voltage is above the reset value.

NOTE

:If a compressor with CoreSense Communications fails in the field, the CoreSense module

should remain with the failed compressor so the manufacturer’s technicians can download the
CoreSense data to assist with determining the root cause of compressor failure.

Filter-Driers

Each refrigerant circuit is furnished with a full flow filter drier (AGZ 030D – 100D) or a replaceable
core type filter-drier (AGZ 140D – 180D). The core assembly of the replaceable core drier consists of
a filter core held tightly in the shell in a manner that allows full flow without bypass.

Pressure drop across the filter drier at full load conditions must not exceed 10 psig at full load. See
page for maximum pressure drop at other load points. Replace the filter drier if the pressure drop
exceeds maximum.

WARNING

Pump out refrigerant before removing end flange for replacement of core(s) to remove liquid
refrigerant and lower pressure to prevent accidental blow off of cover. EPA recovery
regulations apply to this procedure.

A condenser liquid line service valve is provided for isolating the charge in the condenser, but also
serves as the point from which the liquid line can be pumped out. With the line free of refrigerant, the
filter-drier core(s) can be easily replaced.

System Adjustment

To maintain peak performance at full load operation, the system superheat and liquid subcooling may
require adjustment. Read the following subsections closely to determine if adjustment is required.

Liquid Line Sight Glass

The  color  of  the  moisture  indicator  is  an  indication  of  the  dryness  of  the  system  and  is  extremely
important  when  the  system  has  been  serviced.    Immediately  after  the  system  has  been  opened  for
service, the element may indicate a wet condition.  It is recommended that the equipment operate for