Daikin REYQ8-48PY1B, Service Manual

Page: 170 / 477

Test Operation SiBE37-701_B
159 Test Operation
1.2.2 Turn Power On
Turn outdoor unit and indoor
unit power on.
Check the LED display of the
outdoor unit PCB.
Make field settings with outdoor
unit PCB.
Conduct check operations.
Check for normal operation.
{
Be sure to turn the power on 6 hours before starting operation to protect
compressors. (to power on crankcase heater)
{
Check to be sure the transmission is normal.
The transmission is normal if the LEDs display conditions as shown in
table below.
(*) The master unit is the outdoor unit to which the transmission wiring for
the indoor units is connected.
The other outdoor units are slave units.
{
Make field settings if needed.
(For the setting procedure, refer to information in "3.2. Field Setting from
Outdoor Unit" on page 207 onward.)
For the outdoor-multi system, make field settings with the master unit.
(Field settings made with the slave unit will be all invalid.)
The check operations shown below will be automatically initiated.
{
Before starting the normal operation after the completion of check
operations, make sure indoor and outdoor units normally operate.
• Check for erroneous wirings
• Check for failure to open stop valves
• Check for excessive refrigerant refilling
• Automatic judgment of piping length
<REYQ8~16PY1B>
Inside a switch box
"A1P" PCB
Inside a switch box
"A1P" PCB
Inside a switch box
"A1P" PCB
<REMQ8~12P7Y1B> <REMQ14, 16P7Y1B>
* Another switch box is provided on the front left
side of the unit, but it requires no field settings.
LED display
k
ON
h
OFF
l
Blinking
LED display
(Default status
before delivery)
One outdoor unit installed
When multiple
outdoor unit
installed (*)
Master
Slave 1
Slave 2
Micro-
computer
operation
monitor
MODE TEST
COOL / HEAT select
IND MASTER SLAVE
Low
noise
Demand Multi
HAP H1P H2P H3P
H4P
H5P H6P H7P H8P
l
l
l
l
h
h
h
h
h
h
h
h
k
k
h
h
h
h
h
h
h
h
h
h
h
h
h
h
h
h
h
h
h
k
l
h