Daikin VRV III REYQ8PY1, Service Manual

Page: 195 / 452

Field Setting Si37-701
184 Test Operation
3.2.2 Setting by Dip Switches
(1) Factory setting of initial PC board.
Do not make any changes in all factory settings of the DIP switches on the control PC board.
* For detail of the setting procedure, refer to information on the following pages.
While the PC board assembly is replaced, the "U3" malfunction (Test run not carried out yet)
code is displayed. In this case, carry out the test run again.
If the "PJ", "UA", or "U7" malfunction code is displayed, recheck for DIP switch settings.
After the completion of rechecking for the settings, turn ON the power supply again.
1 2 3 4 1 2 3 4
ON
OFF
ON
OFF
DS1 DS2
Status of DIP switches
: Represents the factory setting positions
of the switches.
Setting at replacement by spare PC board
Caution
DIP switch Setting after changing the main PC board(A1P) to spare parts PC board
After the replacement by the spare PC board, be sure to make settings shown below.
When you change the main PC board(A1P) to spare parts PC board, please carry out the
following setting.
DIP Switch Detail
DS No. Item Contents
DS1-2 Power supply
specification ON 200V class (220V)
OFF (Factory
setting of spare
PC board)
400V class (380V)
DS1-3
Except
Multiple
use
Cooling only/Heat-
pump setting ON Cooling only setting
OFF (Factory
setting of spare
PC board)
Heat pump setting
DS1-4 Unit allocation
setting
ON
Make the following settings according to allocation of
unit. (All models are set to OFF at factory.)
DS2-1
OFF (Factory
setting of spare
PC board)
DS2-2 Model setting
Make the settings according to models of outdoor units. (All
models are set to OFF at factory.)
* Refer to following pages for setting detail.
DS2-3
DS2-4
1 2 3 4 1 2 3 4
DS1 DS2
ON
OFF ON
OFF
Initial conditions of dip switches
Multiple
use Single
use (Main)
Single use
(sab)
Domestic
Japan
Overseas
General
Europe
DS1-4 DS1-3
OFF OFF ON
DS2-1 DS1-4 OFF ON OFF