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Field Setting
ESiEN09-06 A
124
Test Operation
For setting items of (*1), refer to detailed information provided on previous page.
Setting item
Content and objective of setting
Overview of setting procedure
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1
AHU fan forced
operation
Used to operate the AHU in the stopped
state in forced operation mode.
Set No. 5 of "Setting mode 2" to AHU
forced fan.
2
AHU forced
operation
Used to operate the AHU in forced
operation mode.
Set No. 6 of "Setting mode 2" to AHU
forced operation mode.
3
Change of targeted
evaporating
temperature
(in cooling) Z-
control
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".
4
Change of targeted
condensing
temperature
(in heating) Z-
control
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".
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".
6
Setting of
sequential startup
Used to start units not in sequence but
simultaneously.
Set No. 11 of "Setting mode 2" to NONE.
7
Emergency
operation (*1)
If the compressor has a failure, used to
prohibit the operation of compressor(s)
concerned or outdoor unit(s) concerned
and to conduct emergency operation of the
system only with operable compressor(s)
or outdoor unit(s).
Make this setting while in "Setting mode 2".
For system with a single outdoor unit: Set
with No. 19 or 42.
8
Additional
refrigerant
charging (*1)
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.
9
Refrigerant
recovery mode (*1)
Used to recover refrigerant on site.
With operations of AHU and outdoor units
prohibited, fully open the expansion valve
of the AHU and outdoor units.
Set No. 21 of "Setting mode 2" to ON.
10
Vacuuming mode
(*1)
Used to conduct vacuuming on site.
Fully open the expansion valves of the
AHU and outdoor units, and energize part
of solenoid valves. Use a vacuum pump to
conduct vacuuming.
Set No. 21 of "Setting mode 2" to ON.
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.
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.
Summary of Contents for ERQ Series
Page 2: ......
Page 16: ...Combination Table ESiEN09 06 A 6 General Information...
Page 17: ...ESiEN09 06 A Specifications 7 1 Specifications 8 1 1 Outdoor Units 8...
Page 33: ...ESiEN09 06 A Function general Function 23 1 2 Operation Mode...
Page 58: ...Outline of Control ESiEN09 06 A 48 Function...
Page 71: ...ESiEN09 06 A Wiring Diagram of Control Box Control Box EKEQ CBV3 61 3 2 F box...
Page 109: ...Test Operation ESiEN09 06 A 100 Test Operation 1 2 2 Turn power on...