Switch Types And The Factory Settings - Mitsubishi Electric CAHV-R450YA-HPB Installation & Operation Manual

[2] Switch Types and the Factory Settings

(1) Switch names and functions
Control box
Service panel
Water outlet
Water inlet
Service panel
There are four main ways to set the settings as follows:
1Dip switches (SW4 - SW7)
2Dip switches used in combination with the push switches
3Rotary switches
4Slide switches
See below for how these switches are used to set certain items.
Different types of switches on the PCB
[Entire view of a PCB]
Switches
Rotary switch (SWU1) Sets the 1's digit of the unit address (Multiple system).
Rotary switch (SWU2) Sets the 10's digit of the unit address (Multiple system).
REMOTE
Slide switch (SWS1) OFF
LOCAL
Slide switch (SWS2) Unused
Switches the display between the item code and the current value for a specific item.
Push switch (SWP1)
Increases value.
Switches the display between the item code and the current value for a specific item.
Push switch (SWP2)
Decreases value.
Advances the item code.
Push switch (SWP3)
Saves the changed value.
Dip switches (SW4-7) Switches the LED display contents.
Discharge air outlet
Slide switch (SWS2)
(A and B from the top)
Slide switch (SWS1)
(REMOTE, OFF, and
LOCAL from the top)
Dip switch (SW4)
Dip switch (SW5)
Dip switch (SW6)
Dip switch (SW7)
The action that the switch takes when set to a certain position depends
on the type of system configuration (e.g., individual or multiple system)
Intake air inlet
Sub box
[Enlarged view of the switches]
18
LED display
Rotary switch (SWU2) (0-9)
Rotary switch (SWU1) (0-9)
Push switch (SWP1)
Push switch (SWP2)
Push switch (SWP3)
Initial Setting
MAIN circuit
"1"
"0"
REMOTE
A
-
-
Slide the dip
switches; do not
-
push down the
switches.