Mitsubishi Electric PKH18FK1 Technical & Service Manual page 44

3 DIP SWITCH FUNCTIONS
Each figure shows the initial setting by factory.
3-1 On remote controller board
(1) SW17(Address selector)
8 7 6 5 4 3 2 1
OFF
ON
SW17-1 ~ 6) Switch for address setting
SW17-7) When two remote controllers are used, this switch sets the controller function.
OFF : The remote controller is set as a main controller.
ON : The remote controller is set as a sub controller.
SW17-8) Switch for system back-up
This switch is not available for series PCH.
(2) SW18 (Model selector)
8 7 6 5 4 3 2 1
OFF
ON
SW18-1) Switch for timer mode setting
OFF : Single day
ON : Timer every day
SW18-2) Switch for filter sign display
OFF : Filter sign absent
ON : Filter sign present
SW18-3) Switch for filter sign time setting
OFF : 100Hr
ON : 2500Hr
SW18-4) Switch for temperature unit
OFF : - C (Celsius)
ON : - F (Fahrenheit)
SW18-5) Switch for HEAT display
OFF : HEAT display present
ON : HEAT display absent
SW18-6) Switch for auto vane display
OFF : Auto vane display present
ON : Auto vane display absent
SW18-7) Switch for swing display
OFF : Swing display present
ON : Swing display absent
SW18-8) Switch for louver display
OFF : Louver display present
ON : Louver display absent
3-2 On indoor controller board
(1) SW1 (Mode selector)
10 9 8 7 6 5 4 3 2
OFF
ON
SW1-1) Switch to change over between FAN mode and AUTOMATIC COOLING-HEATING CHANGE OVER mode.
OFF : Fan mode for cooling-only models.
ON : AUTOMATIC COOLING-HEATING CHANGE OVER mode for heat pump mode including PCH.
SW1-2) Switch to change over louver display
OFF : Swing
ON : Rotary
SW1-3) Switch for auto vane
OFF : Unit without vane
ON : Unit with auto vane
SW1-4) Switch for drain pump
OFF : The drain pump works in only cooling mode.
ON : The drain pump works in both cooling and heating mode. (For heat pump models)
SW1-5) Switch to change the temperature to start coil frost prevention
OFF : 36_F (For previous special models)
ON : 34_F (For all current models)
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