Field Settings For Branch Selector Unit; Field Settings For Single Branch Selector Unit - Daikin VRV EMERION REYQ-AATJA Service Manual

Field Settings for Branch Selector Unit

3. Field Settings for Branch Selector Unit
3.1

Field Settings for Single Branch Selector Unit

Follow the instructions below to set the DIP switches as necessary.
Warning
Electric shock hazard! Before performing work, be sure to disconnect any power source connected
to the unit.
1. Setting for when connecting the COOL/HEAT SELECTOR to the Branch Selector unit.
Setting description
Set the input signal from the COOL/HEAT SELECTOR (sold separately) to ON/OFF.
Setting method
Set the dip switches (DS1-1) on PCB (A1P) as shown below before turning on the power to the
Branch Selector unit.
Note(s)
This setting is enabled when the Branch Selector unit power is turned on.
 Be sure to make the setting before turning on the power.
 Always close the control box cover after making the setting.
2. Setting when changing the automatic mode differential in the Cooling/Heating Automatic Operation Mode.
Setting description
 The automatic mode differential can be changed within the range of 0°F (0°C) to 12.6°F (7°C)
 For details regarding the automatic mode differential and indoor unit operation, refer to page
Setting method
The setting is made using the field setting mode by the remote controller of indoor unit connected to
the Branch Selector unit.
For information regarding the setting method, refer to page 226.
279
(0°F (0°C) at factory shipment).
187.
Turn on DS1-1.
SiUS372201EB
Part 5 Field Settings and Test Operation