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Switch Types And The Factory Settings - Mitsubishi Electric e Series Service Handbook

Air-cooled chilling unit r410a
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[ II Restrictions ]

[5] Switch Types and the Factory Settings

(1) Switch names and functions
There are four main ways to set the settings as follows:
1 Dip switches (SW1 - SW3, SW421)
2 Dip switches used in combination with the push switches
3 Rotary switches
4 Slide switches
See below for how these switches are used to set certain items.
Different types of switches on the PCB
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Switches
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Rotary switch (SWU3) Unused
LOCAL
Slide switch (SWS1)
OFF
REMOTE
Cooling/Heating switching (Only EAHV-P900YA)
Slide switch (SWS2)
(Effective only when SWS1 is set to LOCAL.)
Switches the display between the current value for a specific item.
Push switch (SWP1)
Increases value.
Switches the display between the current value for a specific item.
Push switch (SWP2)
Decreases value.
Enables the change of value.
Push switch (SWP3)
Saves the changed value.
Dip switches (SW1-3) Setting
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Analog input type setting (Refer to Page 89)
HWE1417B
Control box
(Sub circuit)
Rotary switch (SWU3) (0-F)
Rotary switch (SWU2) (0-9)
Rotary switch (SWU1) (0-9)
Slide switch (SWS1)
(LOCAL, OFF, and REMOTE
from the top)
Slide switch (SWS2)
(A and B from the top)
Push switch (SWP1) "UP"
Push switch (SWP2) "DOWN"
Push switch (SWP3) "ENTER"
Dip switch (SW421)
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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)
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- 19 -
Control box
(Main circuit)
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LED display
Dip switch (SW1)
Dip switch (SW2)
Dip switch (SW3)
Initial Setting
MAIN circuit
SUB circuit
"
" 0
"
" 5
"
" 1
"
" 1
"0"
"0"
OFF
REMOTE
(Unused)
A
A
(Unused)
-
-
switches; do not
-
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-
-
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Slide the dip
push down the
switches.
GB
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