Field Settings for Outdoor Unit
SiME341909EA
120
Part 5 Field Settings and Test Operation
Mode 2-21:
Refrigerant recovery / vacuuming
.
Default value: 0. Recovery mode not active.
Set 1: outdoor and indoor electronic expansion valves are opened fully (except EV3 for
PCM vessel). Compressor(s) do not operate.
All controllers show “Test” and LED operation-ON, but indoor and outdoor fan do not
operate.
Outdoor segment display indicates
t01
.
By opening indoor and outdoor electronic expansion valves there is a free pathway to
reclaim remaining refrigerant out by using a refrigerant recovery unit to a refrigerant
recovery bottle.
Prior to launch the recovery mode, ensure:
−
To vacuum all lines between service hoses – refrigerant recovery unit and recovery
bottle.
−
Weight the refrigerant recovery bottle to know recovered amount when refrigerant
recovery function is terminated.
To end the refrigerant recovery mode, press BS3 button once. The 7 segment display
returns to normal (all off).
Mode 2-22:
Selection automatic night-time low noise operation
level. The outdoor can
switch automatically to a pre-set night-time low noise operation level during night-time
judgment.
Default value: 0. Auto night-time low noise operation not active.
Set 1: use level 1.
Set 2: use level 2.
Set 3: use level 3.
Set 4: use level 4.
Set period: refer to set 2-26 for start time and 2-27 for end time.
Mode 2-25: Night-time low noise operation level when using external input to optional board
DTA104A61/62.
If the system needs to be running under low noise operation conditions when an external
signal is sent to the unit, this setting defines the level of low noise that will be applied.
This setting will only be effective when the optional external control adaptor for outdoor
unit DTA104A61/62 is installed and the setting is enabled (mode 2-12-1).
When night-time low noise operation is actually performed, conditions if visible in mode 1
– code 1.
The night-time low noise operation will not be performed in one of following conditions:
Startup of system, or
During oil return, or
30 minutes after external input opened, or
Capacity priority setting is active (refer to mode 2-29-1) and limit condition is met.
Default value: 2 (level 2)
Night-time low noise operation level can be selected to 1, 2, 3 or 4 (field setting 2-25-1, 2,
3, 4).
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