Instruction
Si18-525B
290
Operation Manual
This operation manual is for the system with stan-
dard control. Before initiating operation, contact
your Daikin dealer for the operation that corre-
sponds to your system.
If your installation has a customized control system,
ask your Daikin dealer for the 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 CONTROL-
LERS CONTROL SYSTEM
This system provides two other control systems
beside individual control (one remote controller con-
trols one indoor unit) system. Confirm the following 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.
1. WHAT TO DO BEFORE OPERA-
TION
NOTE
• Contact your Daikin dealer in case of changing
the combination or setting of group control and
two remote controllers control system.
Refer to figure 2 on page [1]
We recommend that you read this instruction man-
ual carefully before use to gain full advantage of the
function of the air conditioner, and to avoid malfunc-
tion due to mishandling.
This air conditioner comes under the term “appli-
ances not accessible to the general public”.
• The precautions described below are WARN-
ING and CAUTION. These are very important
precautions concerning safety. Be sure to
observe all of them without fail.
WARNING .. These are the matters with possi-
bilities leading to serious conse-
quences such as death or serious
injury due to erroneous handling.
CAUTION ... These are the matters with possi-
bilities leading to injury or material
damage due to erroneous han-
dling including probabilities lead-
ing to serious consequences in
some cases.
• After reading, keep this manual at a place
where any user can read at any time. Further-
more, make certain that this operation manual
is handed to a new user when he takes over
the operation.
Names and functions of parts
a
Indoor unit
b
Remote controller
c
Inlet air
d
Discharge air
e
Refrigerant piping, connection electric wire
f
Drain pipe
g
Suction panel (optional)
Equipped with an air filter that removes dust
and dirt.
h
Drain pumping out device (built-in)
Drains water removed from the room during
cooling.
2. SAFETY CONSIDERATIONS
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 ...