About Night Quiet Mode; To Turn On The Night Quiet Mode; About Heat Mode Lock; To Turn On Heat Mode Lock - Daikin 3MXM40A2V1B Installation Manual

1×
3 Reset the power.
9.3

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.
9.3.1

To turn ON the night quiet mode

1 Remove the switch cover on the service PCB.
1×
2 Set the night quiet mode switch (SW6-1) to ON.
9.4

About heat mode lock

Heat mode lock limits the unit to heat operation.
9.4.1

To turn ON heat mode lock

1 Remove the switch cover on the service PCB.
2 Set the heat mode lock switch (SW5-1) to ON.
2MXM-A, 3MXM-A, 4MXM-A, 5MXM-A
R32 Split series
3P600450-6M – 2021.12
ON OFF
E
D
C
B
A
E
D
A 2
C
B
A
1
1×
SW4
2
3
4
5
9.5
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.
9.5.1
1 Short-circuit pins 3 and 5 of connector S15.
ON OFF
2
A 1
1
2
2
1
2
SW6
3
4
5
10

10 Commissioning

About cool mode lock

To turn ON cool mode lock

4×
Commissioning
NOTICE
General commissioning checklist.
commissioning instructions in this chapter, a general
commissioning checklist is also available on the Daikin
Business Portal (authentication required).
The general commissioning checklist is complementary to
the instructions in this chapter and can be used as a
guideline and reporting template during the commissioning
and hand-over to the user.
ON OFF
4
A
3
2
1
1
2
2
4
3
3
2
1
SW5
4
5
S15
VHR-5N
SVH-21T-1
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