Detailed Explanation Of Setting Modes - Daikin SkyAir RZR-P Series Service Manual

Field Setting from Outdoor Unit
3.7

Detailed Explanation of Setting Modes

3.7.1 Cool / Heat Mode Switching
The Cool / Heat Mode switching is carried out by remote controller fitted to indoor unit.
This setting is not required for normal operation. (Factory setting)
3.7.2 Setting of Low Noise Operation and Demand Operation
Setting of Low Noise Operation
By connecting the external contact input to the low noise input of the outdoor unit external
control adaptor (optional), you can lower operating noise by 2-3 dB.
Mode 1
Mode 2
Mode 3
A. When the low noise operation is carried out by external contact (with the use of the
1. Connect external control adaptor for outdoor unit and short-circuit terminal of low noise
2. While in "Setting mode 2", set the setting condition for set item No. 12 (Setting of external
3. If necessary, while in "Setting mode 2", select the setting condition (i.e., "Mode 1", "Mode 2",
4. If necessary, while in "Setting mode 2", set the setting condition for the set item No. 29
B. When the low noise operation is carried out automatically at night (The external
1. While in "Setting mode 2", select the setting condition (i.e., "Mode 1", "Mode 2", or "Mode 3")
2. If necessary, while in "Setting mode 2", select the setting condition (i.e., "20:00", "22:00", or
Field Setting
Setting
Set the outdoor unit fan to Step 6 or lower.
Set the outdoor unit fan to Step 5 or lower.
Set the outdoor unit fan to Step 4 or lower.
external control adaptor for outdoor unit)
(Refer below figure).
If carrying out demand or low noise input, connect the adaptor's terminals as shown below.
External control
adaptor for
outdoor unit
Host computer
monitor panel
or demand
controller
low noise/demand operation) to "YES".
or "Mode 3") for set item No. 25 (Setting of external low noise level).
(Setting of capacity precedence) to "ON".
(If the condition is set to "ON", when the air conditioning load reaches a high level, the low
noise operation command will be ignored to put the system into normal operation mode.)
control adaptor for outdoor unit is not required)
for set item No. 22 (Setting of low night noise level).
"24:00") for set item No. 26 (Setting of start time of low night noise operation).
(Use the start time as a guide since it is estimated according to outdoor air temperatures.)
Content
F1
X
F2
X
P3
X
P4 X
X X X X X X
1 2 3 C
Low
noise
Demand
Outside wiring indicated
by dotted line
SiUS281117
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