Daikin VRV II RXYQ5MATL Service Manual Download

Page: 135 / 331

Field Setting

Si39-504

124

Test Operation

3.2

Field Setting from Outdoor Unit

3.2.1

Field Setting from Outdoor Unit

List of Field Setting Items

This following section indicates the list of field setting items. For the lists of dip switch contents,
Setting mode 1, and Setting mode 2, refer to information in tables shown on the following page
onward.
For setting items of (*1), refer to detailed information provided on page 136 onward.

Setting item

Content and objective of setting

Overview of setting procedure

Fun

on se

ttin

Setting of COOL/
HEAT selection
(*1)

COOL/HEAT selection methods are
selectable from the following
(1) Control by each outdoor unit using the

indoor unit remote controller

(2) Control by each outdoor unit using the

COOL/HEAT selection remote
controller

(3) Batch control by outdoor unit group

using the indoor unit remote controller

(4) Batch control by outdoor unit group

using the COOL/HEAT selection
remote controller

In order to use the COOL/HEAT selection
remote controller, set the DS1-1 on the
outdoor unit PC board to OUT.

For outdoor unit group control, set the
system to "BATCH MASTER" or "SLAVE"
while in "Setting mode 1". Then, make
setting of COOL/HEAT batch address.

Setting of low noise
operation (*1)

A. Use external input to step down the upper

limit of the fan (factory set to Step 8),
providing low noise level.
(1) Mode 1: Step 6 or lower
(2) Mode 2: Step 5 or lower
(3) Mode 3: Step 4 or lower

Use the "External control adaptor for
outdoor unit".
Set to "External control adaptor for outdoor
unit" with No. 12 of "Setting mode 2" and
select the mode with No. 25.
If necessary, set the "Capacity priority
setting" to ON with No. 29.

B. The low noise operation aforementioned is

enabled in nighttime automatic low noise
operation mode.
Start time: Selectable in the range of 20:00
to 24:00 hours.
End time: Selectable in the range of 06:00
to 08:00 hours.
(Use the said time as a guide since the
start time and the end time are estimated
according to outdoor temperatures.)

Make this setting while in "Setting mode 2".
Select a mode with No. 22 of "Setting mode
2".
Select the start time with No. 26 and the
end time with No. 27.
If necessary, set the "Capacity priority
setting" to ON with No. 29.

Setting of demand
operation (*1)

Used to place limits on the compressor
operating frequency to control the upper
limit of power consumption.
(1) Mode 1 of Demand 1: 60% or less of

rating

(2) Mode 2 of Demand 1: 70% or less of

rating

(3) Mode 3 of Demand 1: 80% or less of

rating

(4) Demand 2: 40% or less of rating

For setting with the use of "external control
adapter":
Set the system to "External control adaptor
for outdoor unit" with No. 12 of Setting
mode 2" and select the mode with No. 30.

For setting only in "Setting mode 2":
Set the system to Normal demand mode
with No. 32 of "Setting mode 2" and select
the mode with No. 30.

Setting of AirNet
address

Used to make address setting with AirNet
connected.

Set the AirNet to an intended address
using binary numbers with No. 13 of
"Setting mode 2".

Setting of hot water
heater

Make this setting to conduct heating
operation using the hot water heater.

Set No. 16 of "Setting mode 2" to ON.

Setting of high
static pressure

Make this setting to operate a system with
diffuser duct while in high static pressure
mode. (Use this setting mode when shields
are installed on upper floors or balconies.)

* In order to mount the diffuser duct, remove

the cover from the outdoor unit fan.

Set No. 18 of "Setting mode 2" to ON.