Setting Up And Rewiring The Outdoor Unit - Daikin GYEQ20AN Service Manual

SiAUY361411EA
1.4

Setting Up and Rewiring the Outdoor Unit

Caution Before accessing the DIP switches, turn off the power and make sure that none of the LEDs on
the circuit board are lit. Attempting to access the DIP switches with any LED lit could result in an
electrical shock due to electricity remaining in the circuit.
Caution After changing any DIP switch setting or connector, you have to turn the power off and back on
for the new setting to take effect.
Be sure to check the DIP switch settings regardless of whether or not you want to change the factory
default settings.
After changing any DIP switch setting or connector, you have to turn the power off and back on for
the new setting to take effect.
When you want to reset the outdoor unit power supply, turn off the power and make sure that none
of the LEDs on the circuit board are lit before turning back on the power. An attempt to reset the
power supply with any LED lit may fail due to electricity remaining in the circuit.
[Configuring the DIP switches on the main circuit board]
Refer to "3. Setting and Rewiring the Outdoor Unit" in Wiring Manual on page 63.
Table 3.4/ Configuring the DIP switches on the DCBL circuit board
DS1
Table 3.5/ Configuring the switches on the BS unit
• You have to configure these switches when you use a heating/cooling switching remote controller
• Be sure to configure the switches before turning ON the power since they are read by the
• When you are finished configuring the switches, be sure to close the electrical box cover.
To use a heating/cooling switching remote controller:
To use a centralized cooling/heating remote controller (an optional outdoor unit external control
adaptor is required):
Control and Functionality
Configuring the outdoor unit DIP switches
SW Switch
Name
No. position
1 OFF
2 OFF
3 OFF
4 OFF
Configuring the switches on the BS unit
or centralized cooling/heating remote controller.
microcomputer upon power ON.
1 2 3 4
ON
Turn on DS1-2.
OFF
DS1
028154-00E
1 2 3 4
ON
Turn on DS1-1
OFF
DS1
028155-00E
Factory
Applicable
default
All OFF
To use a heating/cooling switching remote controller,
connect to terminal (A), (B), and (C) located on the circuit
board contained in the BS unit electrical box.
To use a centralized cooling/heating remote controller,
connect the connector of the outdoor unit external control
adaptor to connector CN18 located on the circuit board
contained in the electrical box.
Control Overview
On-site
Remarks
configuration
Cannot be Must be
changed always OFF.
96