Daikin CMSQ200A7W1B Service Manual page 82

SiBE28-805
1.2.5.4 How to Check How Many Units are Connected
It is possible to find out how many indoor units are active and connected by operating the push-
button switch on the printed circuit board (A1P) of the working outdoor unit.
Make sure that all the indoor units connected to the outdoor unit are active.
Follow the 5-step procedure as explained below.
Note:
Wherever during this procedure, press the button BS1 MODE if something becomes unclear.
You will return to setting mode 1 (H1P=
1. Setting mode 1 (default system status)
Default status (normal)
Press the BS1 MODE button to switch from setting mode 1 to monitor mode.
2. Monitor mode
Default status display
To check the number of indoor units, press the BS2 SET button 5 times
3. Monitor mode
Selection status of how
many connected indoor
units to display
Pressing the BS3 RETURN button causes the LED display to show the data
on the number of indoor units that are connected.
4. Monitor mode
Displaying the number of
connected indoor units
Calculate the number of connected indoor units by adding the values of all
(H2P~H7P) blinking (l) LEDs together.
In this example: 2+1=3 units
Press the BS1 MODE button to return to step 1, setting mode 1 (H1P= h "OFF").
Test Operation
The LEDs on the A1P shows the operating status of the outdoor unit and the number of
indoor units that are active.
h OFF
The number of units that are active can be read from the LED display in the "Monitor Mode"
procedure below.
Example: in the following procedure there are 3 units active:
H1P
H1P
H1P
H1P
k ON
h
"OFF").
H2P H3P H4P
h h k h
H2P H3P H4P
l h h h
H2P H3P H4P
l h h h
H2P H3P H4P
l h h h
32 16 8
Test Operation
l Blinking
H5P H6P H7P
h h h
H5P H6P H7P
h h h
H5P H6P H7P
k h k
H5P H6P H7P
h l l
4 2 1
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