Daikin VRV III REYQ8PY1, Service Manual

Page: 194 / 452

Si37-701 Field Setting
Test Operation 183
For setting items of (*1), refer to detailed information provided on page 191 onward.
Setting item Content and objective of setting
Overview of setting procedure Reference
page
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1
Indoor unit
fan forced H
operation
„
Used to operate the indoor unit in the
stopped state in forced H operation
mode.
„
Set No. 5 of "Setting mode 2" to indoor
unit forced fan H.
191~194
2
Indoor unit
forced
operation
„
Used to operate the indoor unit in forced
operation mode.
„
Set No. 6 of "Setting mode 2" to indoor
unit forced operation mode.
191~194
3
Change of
targeted
evaporating
temperature
(in cooling)
„
In cooling operation, used to change the
targeted evaporating temperature for
compressor capacity control.
„
Select high side or low side with No. 8 of
"Setting mode 2".
191~194
4
Change of
targeted
condensing
temperature
(in heating)
„
In heating operation, used to change the
targeted condensing temperature for
compressor capacity control.
„
Select high side or low side with No. 9 of
"Setting mode 2".
191~194
5
Setting of
defrost
selection
„
Used to change a temperature at which
the defrost operation is initiated, thus
making the initiation easy or hard.
„
Select fast side or slow side with No. 10 of
"Setting mode 2".
191~194
6
Setting of
sequential
startup
„
Used to start units not in sequence but
simultaneously.
„
Set No. 11 of "Setting mode 2" to NONE.
191~194
7
Emergency
operation (*1)
„
If the compressor has a failure, used to
prohibit the operation of outdoor unit(s)
concerned and to conduct emergency
operation of the system only with
operable or outdoor unit(s).
„
Make this setting while in "Setting mode
2".
For system with multiple outdoor units:
Set with No. 38, 39, or 40.
204, 207
8
Additional
refrigerant
charging
„
If a necessary amount of refrigerant
cannot be charged due to the stop of
outdoor unit, operate the outdoor unit and
then refill refrigerant.
„
Set No. 20 of "Setting mode 2" to ON and
then charge refrigerant.
154~163
9
Refrigerant
recovery
mode (*1)
„
Used to recover refrigerant on site.
With operations of indoor and outdoor
units prohibited, open the outdoor/indoor
expansion valve fully while indoor/
outdoor operation is prohibited and turn
ON some of the solenoid valves.
„
Set No. 21 of "Setting mode 2" to ON.
203
10
Vacuuming
mode (*1)
„
Used to conduct vacuuming on site.
Open the outdoor/indoor expansion valve
fully while indoor/outdoor operation is
prohibited and turn ON some of the
solenoid valves. Use a vacuum pump to
conduct vacuuming.
„
Set No. 21 of "Setting mode 2" to ON.
203
11
ENECUT test
operation
„
Used to forcedly turn ON the ENECUT.
(Be noted this mode is not functional with
the indoor unit remote controller turned
ON.)
„
Set No. 24 of "Setting mode 2" to ON.
191~194
12
Power
transistor
check mode
„
Used for the troubleshooting of DC
compressors.
Inverter waveform output makes it
possible to judge whether a malfunction
results from the compressor or the PC
board.
„
Set No. 28 of "Setting mode 2" to ON.
191~194
13
Setting of
model with
spare PC
board
„
In order to replace the PC board by a
spare one, be sure to make model setting.
„
For this setting, set the DS2-2, -3, and-4
switches on the PC board to the model
concerned.
184~187