Si18-525B
Instruction
Operation Manual
279
This operation manual is for the following systems
with standard control. Before initiating operation,
contact your Daikin dealer for the operation that
corresponds to your sysem.
• Pair system
• Multi system
NOTE
• If the unit you purchased is controlled by a wire-
less remote controller, also refer to the wireless
remote controller
’
s operation manual.
If your installation has a customized control system,
ask your Daikin dealer for operation that corre-
sponds to your system.
• Heat pump type
This system provides cooling, heating, automatic,
program dry, and fan operation modes.
• Cooling only type
This system provides cooling, program dry, and
fan operation modes.
PRECAUTIONS FOR GROUP CONTROL
SYSTEM OR TWO REMOTE
CONTROLLER CONTROL SYSTEM
This system provides two other control systems
beside individual control (one remote controller
controls one indoor unit) system. Confirm the fol-
lowing if your unit is of the following control system
type.
• Group control system
One remote controller controls up to 16 indoor
units.
All indoor units are equally set.
• Two remote controllers control system
Two remote controllers control one indoor unit
(In case of group control system, one group of
indoor units)
The unit is individually operated.
NOTE
• Contact your Daikin dealer in case of changing
the combination or setting of group control and
two remote controllers control system.
Names and functions of parts
1. WHAT TO DO BEFORE
OPERATION
Indoor unit
Unit with
remote
controller
Outdoor unit
Indoor unit
Unit with
remote
controller
Unit with
remote
controller
Indoor unit
Outdoor unit
a
Indoor unit
b
Outdoor unit
• The external appearance of the outdoor
unit varies depending on its capacity
class. The outdoor unit shown in the fig-
ure is for reference to indicate features.
Contact your Daikin Dealer and verify
which outdoor unit you have.
c
Remote controller
d
Inlet air
e
Discharged air
f
Air outlet
g
Air flow flap (at air outlet)
h
Refrigerant piping, connection electric wire
i
Drain pipe
j
Air inlet
The built-in air filter removes dust and dirt.
k
Drain pumping out device (built-in)
Drains water removed from the room dur-
ing cooling.
l
Ground wire
Wire to ground from the outdoor unit to pre-
vent electrical shocks.
Refer to figure 2 on page
[1]
Summary of Contents for D-Series
Page 1: ...Si18 525B Applied Models Super Multi Plus Cooling only Super Multi Plus Heat Pump D Series ...
Page 33: ...List of Functions Si18 525B 20 List of Functions ...
Page 71: ...Specifications Si18 525B 58 Specifications ...
Page 117: ...Refrigerant Flow for Each Operation Mode Si18 525B 104 Refrigerant Circuit ...
Page 171: ...Indoor Unit SkyAir Models Si18 525B 158 Function ...
Page 207: ...Test Operation and Field Setting for RA Indoor Unit Si18 525B 194 Test Operation ...
Page 336: ...Si18 525B Service Check Function Troubleshooting 323 ...
Page 469: ...Wiring Diagrams Si18 525B 456 Appendix ...
Page 475: ...Si18 525B vi Index ...