Specifications

Test Operation SiBE28-805
66 Test Operation
1.2.2 Turn Power On
 Be sure to turn the power on 6 hours before starting operation to protect
compressors. (to power on clankcase heater)
 Check to be sure the transmission is normal.
The transmission is normal if the LEDs display conditions as shown in
table below.
 Make field settings if needed.
(For the setting procedure, refer to information in "3.2. Field Setting
from Outdoor Unit" on page 96 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.
• Check for erroneous wirings
• Check for failure to open stop valves
• Check for excessive refrigerant refilling
• Automatic judgment of piping length
 Before starting the normal operation after the completion of check
operations, make sure indoor and outdoor units normally operate.
Turn outdoor unit and indoor
unit power on.
Check the LED display of the
outdoor unit PC board.
Conduct check operations.
Check for normal operation.
Make field settings with outdoor
unit PC board.
LED display k ON h OFF l Blinking
Micro-
computer
operation
monitor
Cooling/Heating
changeover
Mode
Ready
/Error
Low
noise
Demand Multi
Indivi-
dual
Bulk
(master)
Bulk
(slave)
HAP
H1P H2P H3P H4P H5P H6P H7P H8P
lhh hhhhhk