Daikin 2MXM-N9, Installation Manual

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9 Configuration
Installation manual
20
2(A)MXM40+50 + 2(A)MXF40+50
R32 Split series
3P600450-3G – 2021.03
a
c d e
b
J26 J24
J23
J6 J22 J8
a Top plate
b Electric box cover
c Electric box
d PCB
e PCB jumpers
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
19])
2 Cut the jumper J6.
J26 J24
J23
J6 J22 J8
3 Reinstall the top plate and the electric box cover.
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.
b c
a
a Front plate
b Top plate
c S99 connector
Mode S99 connector
Heat pump (cooling, heating) Connected
Heating only Disconnected
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.
3 Turn on the main power supply.