About Heat Mode Lock; To Turn On Heat Mode Lock; About Cool Mode Lock; To Turn On Cool Mode Lock - Daikin 3MXM40A2V1B9 Installer's Reference Manual

11.4 About heat mode lock

11.4.1 To turn ON heat mode lock

11.5 About cool mode lock

11.5.1 To turn ON cool mode lock

2MXM-A9, 3MXM-A9, 4MXM-A9, 5MXM-A9
R32 Split series
4P600463-7G – 2022.09
1×
2 Set the night quiet mode switch (SW6-1) to ON.
Heat mode lock limits the unit to heat operation.
1 Remove the switch cover on the service PCB.
2 Set the heat mode lock switch (SW5-1) to ON.
1×
Cool mode lock limits the unit to cool operation. Forced operation remains possible
in cool mode.
Specifications for the connector housing and pins: ST products, housing VHR‑5N,
pin SVH‑21T‑1,1
When cool mode lock is used in combination with the Hybrid for Multi, these units
will NOT operate by the heat pump.
1 Short-circuit pins 3 and 5 of connector S15.
11
|
ON OFF
2
A 1
1 2
2
1
2
SW6
3
4
5
ON OFF
4
A
3
2
1
1
2
2
4
3
3
2
1
SW5
4
5
Configuration
Installer reference guide
59