16
6-6. DIP Switch Functions
The DIP switch number is printed on the circuit board next to the relevant switches.
The word ON is printed on the circuit board and on the DIP switch block itself. To
move the switch you need to use a pin or the corner of a thin metal ruler or similar.
DIP switch settings are listed below in Table 6.6.1.
Only an authorised installer can change DIP switch setting under one’s own re-
sponsibility according to the installation condition.
Make sure to turn o both indoor unit and outdoor unit power supplies before
changing the switch settings.
<Figure 6.6.1>
SW1
SW3
SW4
SW2
SW5
SW6
DIP switch Function OFF ON
Default settings:
Indoor unit model
SW1
SW1-1
Boiler WITHOUT Boiler WITH Boiler OFF
SW1-2
Heat pump maximum outlet water tempera-
ture
55ºC 60ºC ON *1
SW1-3
DHW tank WITHOUT DHW tank WITH DHW tank OFF
SW1-4
Immersion heater WITHOUT Immersion heater WITH Immersion heater OFF
SW1-5
Booster heater WITHOUT Booster heater WITH Booster heater
OFF: E***-M*E
ON : E***-*M2/6/9*E
SW1-6
Booster heater function For heating only For heating and DHW
OFF: E***-M*E
ON : E***-*M2/6/9*E
SW1-7
Outdoor unit type Split type Packaged type
OFF: Except ERPX-*M*E
ON : ERPX-*M*E
SW1-8
Wireless remote controller WITHOUT Wireless remote controller WITH Wireless remote controller OFF
SW2
SW2-1
Room thermostat1 input (IN1) logic change
Zone 1 operation stop at thermostat short
Zone 1 operation stop at thermostat open
OFF
SW2-2
Flow switch1 input (IN2) logic change Failure detection at short Failure detection at open OFF
SW2-3
Booster heater capacity restriction Inactive Active
OFF: Except E***-VM2E
ON : E***-VM2E
SW2-4
Cooling mode function
Inactive Active
OFF: EHSD-*M*E
ON : ER**-*M**E
SW2-5
Automatic switch to backup heat source
operation (When outdoor unit stops by error)
Inactive Active *2 OFF
SW2-6
Mixing tank WITHOUT Mixing tank WITH Mixing tank OFF
SW2-7
2-zone temperature control Inactive Active *3 OFF
SW2-8
Flow sensor WITHOUT Flow sensor WITH Flow sensor
ON
SW3
SW3-1
Room thermostat 2 (IN6) input logic change
Zone 2 operation stop at thermostat short
Zone 2 operation stop at thermostat open
OFF
SW3-2
Flow switch 2 and 3 input logic change Failure detection at short Failure detection at open OFF
SW3-3
— — —
OFF
SW3-4
Electric energy meter
WITHOUT Electric energy meter WITH Electric energy meter
OFF
SW3-5
Heating mode function *4 Inactive Active ON
SW3-6
2-zone valve ON/OFF control
Inactive Active OFF
SW3-7
Heat exchanger for DHW Coil in tank External plate HEX
OFF
SW3-8
Heat meter WITHOUT Heat meter WITH Heat meter
OFF
SW4
SW4-1
Multiple outdoor units control Inactive Active
OFF
SW4-2
Position of multiple outdoor units control *5 Sub Main
OFF
SW4-3
— — —
OFF
SW4-4
Indoor unit only operation (during installation work)
*6
Inactive Active OFF
SW4-5
Emergency mode (Heater only operation) Normal
Emergency mode (Heater only operation)
OFF *7
SW4-6
Emergency mode (Boiler operation) Normal Emergency mode (Boiler operation) OFF *7
SW5
SW5-1
— — —
OFF
SW5-2
Advanced auto adaptation
Inactive
Active
ON
SW5-3
SW 5-3 SW 5-4 SW 5-5 SW 5-6 SW 5-7
ERSC-*M*E ON ON ON ON OFF
E*SD-*M*E ON OFF OFF ON OFF
ERSF-*M*E OFF OFF ON ON OFF
ERSE-*M*EE OFF ON ON OFF ON
ERPX-*M*E OFF OFF OFF OFF OFF
Capacity code
SW5-4
SW5-5
SW5-6
SW5-7
SW5-8
— — —
OFF
<Table 6.6.1>
<Continued on next page.>
SW7
OCH815A