Mitsubishi Electric QAHV Série Manuel D'installation & D'instructions page 42

(Note 1) The table below shows the water flow rate adjustment operation status in 4 figures when the PCB DIP switch
is set as shown in Note 2.
Water flow rate adjustment operation status
Not completed
Completed
In operation
(Note 2) PCB DIP switch settings
SW2
-10 -5 -6
ON OFF OFF
SW3
-7 -8 -9
OFF ON ON
GB-42
Display
--ng
---g
-ing
-10
OFF