Daikin FXZQ-M Series, Engineering Data

Page: 32 / 40

EDUS39-800-F9 Installation and Operation
FXZQ-M 31

Keep the transmission wiring and power supply wiring sep-
arated by at least 2.0 in.
Not doing so could cause the transmission wiring to pick up
electric noise (external noise) and result in a malfunction or
breakdown.

For remote controller wiring, refer to the installation manual
delivered with the remote controller.
11. WIRING EXAMPLE

Fit the power supply wiring of each unit with a switch and
fuse as shown in figure 18.
1
Outdoor unit
2 Power supply
3 Main switch
4 BS unit (only for heat recovery system)
5 Indoor unit
6 Remote controller
7 Switch
8 Fuse
Power supply wiring
Transmission and remote controller wiring
Complete system example (3 systems)

See figures 19, 20 and 21.
1
Outdoor unit
2 Indoor unit
3 Remote controller (Optional accessories)
4 Most downstream indoor unit
5 For use with 2 remote controllers
6 BS unit
When using 1 remote controller for 1 indoor unit. (Normal
operation.) (See figure 19).
For group control or use with 2 remote controllers (See
figure 20).
When including BS unit (See figure 21).
NOTE
It is not necessary to designate indoor unit address when
using group control. The address is automatically set when
power is activated.
11-1 Precautions
1. A single switch can be used to supply power to units on
the same system. However, branch switches and branch
circuit breakers must be selected carefully.
2. For a group control remote controller, choose the remote
controller that suits the indoor unit which has the most
functions.
3. Do not ground the equipment on gas pipes, water pipes,
lightning rods or cross ground with telephones. Improper
grounding could result in electric shock.
12. FIELD SETTING
Field setting must be made on the remote controller in func-
tion of the installation condition.

Setting can be made by changing the "Mode number",
"First code No." and "Second code No.".

For setting and operation, refer to the "Field settings" in the
installation manual of the remote controller.
12-1 Summary of field settings
Note 1 : Setting is carried out in the group mode, however, if the mode
number inside parentheses is selected, indoor units can also be
set individually.
Mode
No.
(Note 1)
First
code
No. Description of setting
Second code No. (Note 2)
01 02 03 04
10
(20)
0
Filter contamination
- Heavy/Light
= Setting to define
time between 2 filter
cleaning display
indications. (When
contamination is
high, setting can be
changed to half the
time inbetween 2
Þlter cleaning
display indications.)
Ultra-long-
life filter
Light
±10,000 hrs.
Heavy
±5,000 hrs.
— —
Long-life
filter
±2,500 hrs. ±1,250 hrs.
Standard
Þlter
±200 hrs. ±100 hrs.
1
Long-life filter type
Change the setting when ultra-
long-life Þlter is installed.
This setting is important for time
between 2 Þlter cleaning display
indications (refer to 10-0-0X).
Long-life filter
Ultra-long-life
filter
— —
2 Thermostat sensor selection
Use both the
unit sensor (or
remote sensor if
installed) AND
the remote
controller
sensor.
(See note 5+6)
Use unit sensor
only (or remote
sensor if
installed).
(See note 5+6)
Use remote
controller
sensor only.
(See note 5+6)
—
3
Setting for display of time
between 2 Þlter cleaning display
indications
Display Do not display — —
5
Information to I-manager,
I-touch controller
Only unit sensor
value (or remote
sensor value if
installed).
Sensor value as
set by 10-2-0X
or 10-6-0X.
— —
6
Thermostat sensor in group
control
Use unit sensor
only (or remote
sensor if
installed).
(See note 6)
Use both the
unit senor (or
remote sensor if
installed) AND
the remote
controller
sensor. (See
note 4+5+6)
— —
12
(22)
0
Output signal X1-X2 of the
optional KRP1B PCB kit Thermostat-on +
compressor run
— Operation
Mal-
function
1
ON/OFF input from outside
(T1/T2 input) = Setting when
forced ON/OFF is to be
operated from outside.
Forced OFF
ON/OFF
operation
— —
2
Thermostat differential
changeover = Setting when
remote sensor is used.
2˚F 1˚F — —
3
Fan setting during thermostat
OFF at heating operation
LL Set speed
OFF
(See note 3)
—
4
Differential automatic
changeover
0˚F 1.8˚F 3.6˚F
5.4˚F
(See
note 7)
5
Auto-restart after power failure Disabled Enabled — —
9
Fixed cool/heat master Disabled Enabled — —
13
(23)
0
Setting for air outlet velocity
This setting is to be changed in
function of ceiling height.
≤
9 ft >9
≤
10 ft >10
≤
11.5 ft —
1
Selection for air flow direction
This setting is to be changed
when blocking pad optional kit
is used.
4-way flow 3-way flow 2-way flow —
4
Airflow direction range setting
This setting is to be changed
when range of swing flap
movement needs to be
changed.
Upper Normal Lower —
5
Setting for adjustment of fan
speed (phase control)
Standard Option 1 Option 2 —
15
(25)
3
Drain pump ope
humidiÞer interlock
Equipped Not equipped — —