To Turn On Econo Mode Prohibition Setting; About Night Quiet Mode; To Turn On The Night Quiet Mode; About Heat Mode Lock - Daikin 2MXM40A2V1B9 Installation Manual

9 Configuration
9.1.1 To turn ON ECONO mode prohibition
setting
Prerequisite: The main power supply MUST be turned off.
1 Remove the top plate of the outdoor unit (2 screws on sides)
2 Remove the electric box cover by sliding it. Be careful not to
bend the electric box hook.
3 Cut the jumper (J23).
a b
a Top plate
b Electric box cover
c PCB jumpers
d PCB
e Electric box
4 Reinstall the electric box cover and the top plate in reverse
order and turn on the main power supply.
9.2

About night quiet mode

The night quiet mode function makes the outdoor unit run more
quietly at nighttime. This will reduce the cooling capacity of the unit.
Explain Night quiet mode to the customer and confirm if customer
wants to use this mode.
9.2.1

To turn ON the night quiet mode

Prerequisite: The main power supply MUST be turned off.
1 Remove the top plate and the electric box cover of the outdoor
unit (see "9.1.1 To turn ON ECONO mode prohibition
setting" [ 4 18])
2 Cut the jumper J6.
3 Reinstall the top plate and the electric box cover.
Installation manual
18
c d e
CAUTION
When reinstalling the electric box cover, be careful not to
pinch the fan motor lead wire.
9.3

About heat mode lock

Heat mode lock limits the unit to heat operation.
9.3.1

To turn ON heat mode lock

1 Remove the top plate (2 screws) and the front plate (8 screws).
2 To set heat mode lock remove the S99 connector.
3 To reset the heat pump mode (cooling/heating), plug the
connector back.
a
2×
8×
a Front plate
b Top plate
c S99 connector
Mode
Heat pump (cooling, heating)
Heating only
4 Reinstall the top plate and the front plate.
INFORMATION
Forced operation is also available in heating mode.
9.4 About standby electricity saving
function
The standby electricity saving function:
▪ turns OFF the power supply to the outdoor unit and,
▪ turns ON the standby electricity saving mode on the indoor unit.
The standby electricity saving function works with following units:
FTXM, FTXP, FTXJ, FVXM, ATXF
If another indoor unit is used, the connector for standby electric
saving MUST be plugged in.
The standby electricity saving function is turned OFF before
shipping.
9.4.1 To turn ON standby electricity saving
function
Prerequisite: The main power supply MUST be turned OFF.
1 Remove the service cover.
2 Disconnect the selective standby electricity saving connector.
c b
S99 connector
Connected
Disconnected
2MXM40+50A9
R32 Split series
3P600450-8T – 2022.09