Night Quiet Mode Setting - Daikin 2MXM50M2V1B Installation Manual

Night Quiet Mode Setting

• If night quiet mode is to be used, initial settings must be made when the unit is installed.
Explain night quiet mode, as described below, to the customer, and confirm whether or not the customer wants to use night quiet
mode.
About night quiet mode
The night quiet mode function reduces operating noise of the outdoor unit at nighttime. This function is useful if the customer
is worried about the effects of the operating noise on the neighbours.
However, if night quiet mode is running, capacity will be saved.
Setting procedure
Cut the jumper J7. For more details see figure in Econo Mode setting.
HEAT Mode Lock <S99>
(only heat pump models)
1) Remove the top plate (2 screws) and the front plate (8 screws).
2) Use the S99 connector to set the unit to only heat.Setting to only
heat (H): short-circuit pins 1 and 2 of the connector S99.
Note that forced operation is also possible in HEAT mode.
3) Reinstall the front plate and the top plate to the original positions.
Mode
H/P
Heating only
Standby Electricity
Saving
The standby electricity saving function turns off power supply to the outdoor unit and sets the indoor unit into
standby electricity saving mode, thus reducing the power consumption of the air conditioner.
The standby electricity saving function works on the following indoor units.
For FTXM, FTXP, FTXJ types.
CAUTION
• The standby electricity saving function cannot be used for models other than the specified ones.
■ Procedure for turning on standby electricity saving
function
1) Check that the main power supply is turned off. Turn it off if it
has not been turned off.
2) Remove the stop valve cover.
3) Remove terminal cover
4) Disconnect the selective connector for standby electricity
saving.
5) Turn on the main power supply.
CAUTION
• Before connecting or disconnecting the selective connector for standby electricity saving, make sure that the main power
supply is turned off.
• The selective connector for standby electricity saving is required if an indoor unit other than the above applicable one is connected.
English
S99 Connector
Connect
Disconnect
PCB
Front plate
Standby electricity saving
function off.
The standby electricity saving function is turned off before shipping.
Top plate
S99 connector
Standby electricity saving
function on.
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