Daikin R-410A Installation Manual page 60

Installation
10.5 External Static Pressure Setting
How to set the unit to high ESP.
(1) Standard external static pressure for VRV is 29.4 Pa (0.12"Wg).
(2) High external static pressure of 58.8Pa (0.24"Wg) is available by field setting as show
In this case a kind of sound proof device should be considered because of
increasing the operation sound.
Set the unit along the operation name plate attached to the face of the switch box.
SERVICE PRECAUTIONS
Field setting
If required, carry out field setting according to the following instructions:
See the service manual for details.
1. Handing access door and switch
When carrying out field setting, open the access door as shown on the
right and operate the SWITCH with an insulating stick such as a
ball-point pen to avoid touching the live part.
Make sure to shut the access door when the work is finished.
2. Setting the dip switch (DS1-1~4)
No. What to be set by dip switch (DS1-1~4)
1 Setting of COOL/HEAT changeover OUT/IN(factory set)
2~4 These are not used.Do not change the factory setting.
DS2,DS3 are not used. Do not change the factory setting.
Connect the opotional remote controller for COOL/HEAT changeover to the outdoor unit
printed circuit board (PCB) (A2P) and change the COOL/HEAT setting switch (DS1-1) from
IN (factory set) to OUT.
COOL/HEAT
selector
3. Setting by push button switch (BS1-5)
• Function of push button switch. (on the outdoor unit PCB (A1P))
C/H
TEST:
MODE
HWL: IND
H1P H2P H3P
BS1 BS2 BS3
MODE SET RETURN
SETTING MODE The set mode can be changed by the MODE button (BS1) according to the following procedure.
MODE
SETTING MODE 1
H1P
If H1P flashes and the page change button (BS1) is pushed once, it change to SETTING MODE 1 .
*
<Caution>
When I do low noise driving by an outside order or demand driving, COOL/HEAT setting with a COOL/HEAT CENTRALIZED remote
controller,it is required to use the optional adapter for outdoor unit external control. See the instruction attached to the ad apter.
59
(
O
DS1-1 Switch C/H SELECTOR
U
T
ON
DS1
OFF
ABC
1 2 3 4
I
ABC
N
SELECT
L.N.O.P DEMAND
MASTER SLAVE
H4P H5P H6P H7P
BS4 BS5
TEST RESET
Hold down for 5 seconds MODE (BS1)
LIGHT
OFF
Press once MODE (BS1)
Touch the metal part such as the switch box and make sure to
eliminate static electricity before performing service.
(H1~7P)
Push button
Dip switch3
(DS3-1~4)
Dip switch1
(DS1-1~4)
<Caution>
If you get confused in the middle of setting process, push the MODE
button (BS1). Then, if returns to SETTING MODE 1 (H1P:light off)
For resetting the address when the wiring is changed or an additional indoor
unit is installed
For test operation
For field setting
For changing the set mode
SETTING MODE 2
Lift this protruding portion to
open the access door
Switch box cover
LED
Dip switch2 (DS2-1~4)
SWITCH BOX
LED STATE
LIGHT OFF LIGHT ON
(The LED indication shown left shows the state
when the unit is shipped from the factory)
MODE
LIGHT
ON
H1P
Installation of Outdoor Units
EDUS39-605
)
Inspection door
FLICKERING